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| <h1 class="firstHeading">SMILA/Documentation/Bundle org.eclipse.smila.processing.pipelets</h1> |
| <div id="bodyContent"> |
| <h3 id="siteSub">From Eclipsepedia</h3> |
| <div id="contentSub"><span class="subpages">< <a href="../../SMILA.html" title="SMILA">SMILA</a> | <a href="../Documentation.1.html" title="SMILA/Documentation">Documentation</a></span></div> |
| <div id="jump-to-nav">Jump to: <a href="Bundle_org.eclipse.smila.processing.pipelets.html#column-one">navigation</a>, <a href="Bundle_org.eclipse.smila.processing.pipelets.html#searchInput">search</a></div> <!-- start content --> |
| <p>This page describes the SMILA pipelets provided by bundle <tt>org.eclipse.smila.processing.pipelets</tt>. |
| </p> |
| <table id="toc" class="toc" summary="Contents"><tr><td><div id="toctitle"><h2>Contents</h2></div> |
| <ul> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#General"><span class="tocnumber">1</span> <span class="toctext">General</span></a></li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.CommitRecordsPipelet"><span class="tocnumber">2</span> <span class="toctext">org.eclipse.smila.processing.pipelets.CommitRecordsPipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Description"><span class="tocnumber">2.1</span> <span class="toctext">Description</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration"><span class="tocnumber">2.2</span> <span class="toctext">Configuration</span></a></li> |
| </ul> |
| </li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.AddValuesPipelet"><span class="tocnumber">3</span> <span class="toctext">org.eclipse.smila.processing.pipelets.AddValuesPipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration_2"><span class="tocnumber">3.1</span> <span class="toctext">Configuration</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Example"><span class="tocnumber">3.2</span> <span class="toctext">Example</span></a></li> |
| </ul> |
| </li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.RemoveAttributePipelet"><span class="tocnumber">4</span> <span class="toctext">org.eclipse.smila.processing.pipelets.RemoveAttributePipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration_3"><span class="tocnumber">4.1</span> <span class="toctext">Configuration</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Example_2"><span class="tocnumber">4.2</span> <span class="toctext">Example</span></a></li> |
| </ul> |
| </li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.FilterPipelet"><span class="tocnumber">5</span> <span class="toctext">org.eclipse.smila.processing.pipelets.FilterPipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration_4"><span class="tocnumber">5.1</span> <span class="toctext">Configuration</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Example_3"><span class="tocnumber">5.2</span> <span class="toctext">Example</span></a></li> |
| </ul> |
| </li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.HtmlToTextPipelet"><span class="tocnumber">6</span> <span class="toctext">org.eclipse.smila.processing.pipelets.HtmlToTextPipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Description_2"><span class="tocnumber">6.1</span> <span class="toctext">Description</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration_5"><span class="tocnumber">6.2</span> <span class="toctext">Configuration</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Example_4"><span class="tocnumber">6.3</span> <span class="toctext">Example</span></a></li> |
| </ul> |
| </li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.CopyPipelet"><span class="tocnumber">7</span> <span class="toctext">org.eclipse.smila.processing.pipelets.CopyPipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Description_3"><span class="tocnumber">7.1</span> <span class="toctext">Description</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration_6"><span class="tocnumber">7.2</span> <span class="toctext">Configuration</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Example_5"><span class="tocnumber">7.3</span> <span class="toctext">Example</span></a></li> |
| </ul> |
| </li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.SubAttributeExtractorPipelet"><span class="tocnumber">8</span> <span class="toctext">org.eclipse.smila.processing.pipelets.SubAttributeExtractorPipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Description_4"><span class="tocnumber">8.1</span> <span class="toctext">Description</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration_7"><span class="tocnumber">8.2</span> <span class="toctext">Configuration</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Example_6"><span class="tocnumber">8.3</span> <span class="toctext">Example</span></a></li> |
| </ul> |
| </li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.ReplacePipelet"><span class="tocnumber">9</span> <span class="toctext">org.eclipse.smila.processing.pipelets.ReplacePipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Description_5"><span class="tocnumber">9.1</span> <span class="toctext">Description</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration_8"><span class="tocnumber">9.2</span> <span class="toctext">Configuration</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Examples"><span class="tocnumber">9.3</span> <span class="toctext">Examples</span></a></li> |
| </ul> |
| </li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.ScriptPipelet"><span class="tocnumber">10</span> <span class="toctext">org.eclipse.smila.processing.pipelets.ScriptPipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Description_6"><span class="tocnumber">10.1</span> <span class="toctext">Description</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration_9"><span class="tocnumber">10.2</span> <span class="toctext">Configuration</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Examples_2"><span class="tocnumber">10.3</span> <span class="toctext">Examples</span></a></li> |
| </ul> |
| </li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.MimeTypeIdentifyPipelet"><span class="tocnumber">11</span> <span class="toctext">org.eclipse.smila.processing.pipelets.MimeTypeIdentifyPipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Description_7"><span class="tocnumber">11.1</span> <span class="toctext">Description</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration_10"><span class="tocnumber">11.2</span> <span class="toctext">Configuration</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Example_7"><span class="tocnumber">11.3</span> <span class="toctext">Example</span></a></li> |
| </ul> |
| </li> |
| <li class="toclevel-1"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#org.eclipse.smila.processing.pipelets.FileReaderPipelet"><span class="tocnumber">12</span> <span class="toctext">org.eclipse.smila.processing.pipelets.FileReaderPipelet</span></a> |
| <ul> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Description_8"><span class="tocnumber">12.1</span> <span class="toctext">Description</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Configuration_11"><span class="tocnumber">12.2</span> <span class="toctext">Configuration</span></a></li> |
| <li class="toclevel-2"><a href="Bundle_org.eclipse.smila.processing.pipelets.html#Example_8"><span class="tocnumber">12.3</span> <span class="toctext">Example</span></a></li> |
| </ul> |
| </li> |
| </ul> |
| </td></tr></table><script type="text/javascript"> if (window.showTocToggle) { var tocShowText = "show"; var tocHideText = "hide"; showTocToggle(); } </script> |
| <a name="General"></a><h2> <span class="mw-headline"> General </span></h2> |
| <p>All pipelets in this bundle support the configurable error handling as described in <a href="../Development_Guidelines/How_to_write_a_Pipelet.html#Implementation" class="mw-redirect" title="SMILA/Development Guidelines/How to write a Pipelet">SMILA/Development_Guidelines/How_to_write_a_Pipelet#Implementation</a>. When used in jobmanager workflows, records causing errors are dropped. |
| </p><p><b> Read Type </b> |
| </p> |
| <ul><li> <i>runtime</i>: Parameters are read when processing records. Parameter value can be set per Record. |
| </li><li> <i>init</i>: Parameters are read once from Pipelet configuration when initializing the Pipelet. Parameter value can not be overwritten in Record. |
| </li></ul> |
| <a name="org.eclipse.smila.processing.pipelets.CommitRecordsPipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.CommitRecordsPipelet </span></h2> |
| <a name="Description"></a><h3> <span class="mw-headline"> Description </span></h3> |
| <p>Commits each record in the <i>input</i> variable on the blackboard to the storages. Can be used to save the records immediately during the workflow instead of only when a workflow has been finished. |
| </p> |
| <a name="Configuration"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <p>none. |
| </p> |
| <a name="org.eclipse.smila.processing.pipelets.AddValuesPipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.AddValuesPipelet </span></h2> |
| <p>Adds something to an attribute in the processed records. If the attribute does not contain a sequence already, the current value will be wrapped in one before the new values are added. |
| </p> |
| <a name="Configuration_2"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <table border="1"> |
| <tr> |
| <th>Property |
| </th><th>Type |
| </th><th>Read Type |
| </th><th>Description |
| </th></tr> |
| <tr> |
| <td><i>outputAttribute</i> |
| </td><td>A string value |
| </td><td>runtime |
| </td><td>The name of the attribute to add values to |
| </td></tr> |
| <tr> |
| <td><i>valuesToAdd</i> |
| </td><td>Anything, usually a value or a sequence of values |
| </td><td>runtime |
| </td><td>The values to add |
| </td></tr></table> |
| <a name="Example"></a><h3> <span class="mw-headline"> Example </span></h3> |
| <p>From a test pipeline: This adds two string values to whatever already exists in attribute "out" of the processed records. |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"addValuesToNonExistingAttribute"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.AddValuesPipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"outputAttribute"</span><span class="re2">></span></span>out<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Seq</span> <span class="re0">key</span>=<span class="st0">"valuesToAdd"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><rec:Val<span class="re2">></span></span></span>value1<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val<span class="re2">></span></span></span>value2<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></rec:Seq<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span></pre></div> |
| <a name="org.eclipse.smila.processing.pipelets.RemoveAttributePipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.RemoveAttributePipelet </span></h2> |
| <p>Removes an attribute from each record. |
| </p> |
| <a name="Configuration_3"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <p>The configuration property is either read from the <tt>_parameters</tt> attribute of a record or from the pipelet configuration. If not set at all, the record remains unchanged. |
| </p> |
| <table border="1"> |
| <tr> |
| <th>Property |
| </th><th>Type |
| </th><th>Read Type |
| </th><th>Description |
| </th></tr> |
| <tr> |
| <td><i>removeAttribute</i> |
| </td><td>A string value |
| </td><td>runtime |
| </td><td>The name of the attribute to remove |
| </td></tr></table> |
| <a name="Example_2"></a><h3> <span class="mw-headline"> Example </span></h3> |
| <p>To remove the complete structure in attribute <tt>_parameters</tt>, use: |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"removeParameters"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.RemoveAttributePipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"result"</span> <span class="re0">output</span>=<span class="st0">"result"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"removeAttribute"</span><span class="re2">></span></span>_parameters<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <a name="org.eclipse.smila.processing.pipelets.FilterPipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.FilterPipelet </span></h2> |
| <p>Copies only those record IDs to the result which match a configurable regular expression in a configurable single-valued attribute. This is useful for conditional processing while at the same time pushing multiple records through the pipeline in a single request: Instead of using BPEL conditions use a FilterPipelet to select only the matching records in a new variable and use the this variable as the input variable for the next pipelets. You can still use the original BPEL variable in the BPEL <tt><reply></tt> activity at the end of the pipeline to return all records as the final result. |
| </p> |
| <a name="Configuration_4"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <p>The configuration properties are read either from the <tt>_parameters</tt> attribute of each record or from the pipelet configuration. |
| </p> |
| <table border="1"> |
| <tr> |
| <th>Property |
| </th><th>Type |
| </th><th>Read Type |
| </th><th>Description |
| </th></tr> |
| <tr> |
| <td><i>filterAttribute</i> |
| </td><td>A string value |
| </td><td>runtime |
| </td><td>The name of the attribute to match |
| </td></tr> |
| <tr> |
| <td><i>filterExpression</i> |
| </td><td>A string value |
| </td><td>runtime |
| </td><td>The regular expression to match the attribute value against |
| </td></tr></table> |
| <a name="Example_3"></a><h3> <span class="mw-headline"> Example </span></h3> |
| <p>To get only those records in the <tt>textRecords</tt> BPEL variable that have a MimeType starting with <tt>text</tt> something like this could be used: |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"invokeFilterPipelet"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.FilterPipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re0">output</span>=<span class="st0">"textRecords"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"filterAttribute"</span><span class="re2">></span></span>MimeType<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"filterExpression"</span><span class="re2">></span></span>text/.+<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <a name="org.eclipse.smila.processing.pipelets.HtmlToTextPipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.HtmlToTextPipelet </span></h2> |
| <a name="Description_2"></a><h3> <span class="mw-headline"> Description </span></h3> |
| <p>Extract plain text and metadata from an HTML document from an attribute or attachment of each record and writes the results to configurable attributes or attachments. |
| </p><p>The pipelet uses the CyberNeko HTML parser <a href="http://nekohtml.sourceforge.net/" class="external text" title="http://nekohtml.sourceforge.net/" rel="nofollow">NekoHTML</a> to parse HTML documents. |
| </p> |
| <a name="Configuration_5"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <table border="1"> |
| <tr> |
| <th>Property |
| </th><th>Type |
| </th><th>Read Type |
| </th><th>Description |
| </th></tr> |
| <tr> |
| <td><i>inputType</i> |
| </td><td>String : <i>ATTACHMENT, ATTRIBUTE</i> |
| </td><td>runtime |
| </td><td>Defines whether the HTML input is found in an attachment or in an attribute of the record |
| </td></tr> |
| <tr> |
| <td><i>outputType</i> |
| </td><td>String : <i>ATTACHMENT, ATTRIBUTE</i> |
| </td><td>runtime |
| </td><td>Defines whether the plain text should be stored in an attachment or in an attribute of the record |
| </td></tr> |
| <tr> |
| <td><i>inputName</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>Name of input attachment or path to input attribute (process literals of attribute) |
| </td></tr> |
| <tr> |
| <td><i>outputName</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>Name of output attachment or path to output attribute for plain text (store result as literals of attribute) |
| </td></tr> |
| <tr> |
| <td><i>defaultEncoding</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>Optional, default encoding to apply to documents when not specified in the documents themselves |
| </td></tr> |
| <tr> |
| <td><i>removeContentTags</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>Comma-separated list of HTML tags (case-insensitive) for which the complete content should be removed from the resulting plain text. If not set, it defaults to <i>"applet,frame,object,script,style"</i>. If the value is set, you must add the default tags explicitly to have their contents removed, too. |
| </td></tr> |
| <tr> |
| <td><i>meta:<name></i> |
| </td><td>String: attribute path |
| </td><td>init |
| </td><td>Store the content of the <tt><META></tt> tag with <i>name="<name>"</i> (case insensitive) to the attribute named as the value of the property. E.g. a property named <i>"meta:author"</i> with value "authors" causes the content attributes of <tt><META name="author" content="..."></tt> tags to be stored in the attribute <i>authors</i> of the respective record. |
| </td></tr> |
| <tr> |
| <td><i>tag:title</i> |
| </td><td>String: attribute path |
| </td><td>init |
| </td><td>Store the content of the <tt><TITLE></tt> tag with to the attribute named as the value of the property. |
| </td></tr></table> |
| <a name="Example_4"></a><h3> <span class="mw-headline"> Example </span></h3> |
| <p>This configuration extracts plain text from the HTML document in attachment <i>"html"</i> and stores the results to the attribute <i>"text"</i>. It removes the complete content of heading tags <tt><h1>, ..., <h4></tt>. In addition to that, it looks for <tt><meta></tt> tags with names <i>"author"</i> and <i>"keywords"</i> and stores their contents in attributes <i>"authors"</i> and <i>"keywords"</i>, respectively: |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"invokeHtml2Txt"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.HtmlToTextPipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re0">output</span>=<span class="st0">"request"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"inputType"</span><span class="re2">></span></span>ATTACHMENT<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"outputType"</span><span class="re2">></span></span>ATTRIBUTE<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"inputName"</span><span class="re2">></span></span>html<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"outputName"</span><span class="re2">></span></span>text<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"defaultEncoding"</span><span class="re2">></span></span>UTF-8<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"meta:author"</span><span class="re2">></span></span>author<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"meta:keywords"</span><span class="re2">></span></span>keywords<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"meta:title"</span><span class="re2">></span></span>title<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"removeContentTags"</span><span class="re2">></span></span>h1,h2,h3,h4<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <a name="org.eclipse.smila.processing.pipelets.CopyPipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.CopyPipelet </span></h2> |
| <a name="Description_3"></a><h3> <span class="mw-headline"> Description </span></h3> |
| <p>This pipelet can be used to copy or move attribute values to other attributes or to copy or move a string value between attributes and/or attachments. It suppoprts two execution modes: |
| </p> |
| <ul><li> COPY: copy the value from the input attribute/attachment to the output attribute/attachment |
| </li><li> MOVE: same as COPY, but after that delete the value from the input attribute/attachment |
| </li></ul> |
| <p>When an attribute is copied to another attribute, the type remains the same. When copying an attachment to an attribute, a string value is created by assuming the the attachment is a text in UTF-8 encoding. When copying an attribute value to an attachment, the attribute must be single value which is interpreted as a string value and converted to a byte array using UTF-8 encoding. |
| </p> |
| <a name="Configuration_6"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <table border="1"> |
| <tr> |
| <th>Property |
| </th><th>Type |
| </th><th>Read Type |
| </th><th>Description |
| </th></tr> |
| <tr> |
| <td><i>inputType</i> |
| </td><td>String : <i>ATTACHMENT, ATTRIBUTE</i> |
| </td><td>runtime |
| </td><td>selects if the input is found in an attachment or attribute of the record |
| </td></tr> |
| <tr> |
| <td><i>outputType</i> |
| </td><td>String : <i>ATTACHMENT, ATTRIBUTE</i> |
| </td><td>runtime |
| </td><td>selects if output should be stored in an attachment or attribute of the record |
| </td></tr> |
| <tr> |
| <td><i>inputName</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>name of input attachment or input attribute |
| </td></tr> |
| <tr> |
| <td><i>outputName</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td> name of output attachment or output attribute |
| </td></tr> |
| <tr> |
| <td><i>mode</i> |
| </td><td>String : <i>COPY, MOVE</i> |
| </td><td>runtime |
| </td><td> execution mode. Copy the value or move (copy and delete) the value. Default is COPY. |
| </td></tr> |
| </table> |
| <a name="Example_5"></a><h3> <span class="mw-headline"> Example </span></h3> |
| <p>This configuration shows how to copy the value of attachment 'Content' into the attribute 'TextContent': |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="coMULTI"><!-- copy txt from attachment to attribute --></span></span> |
| <span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"invokeCopyContent"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.CopyPipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re0">output</span>=<span class="st0">"request"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"inputType"</span><span class="re2">></span></span>ATTACHMENT<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"outputType"</span><span class="re2">></span></span>ATTRIBUTE<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"inputName"</span><span class="re2">></span></span>Content<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"outputName"</span><span class="re2">></span></span>TextContent<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"mode"</span><span class="re2">></span></span>COPY<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <a name="org.eclipse.smila.processing.pipelets.SubAttributeExtractorPipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.SubAttributeExtractorPipelet </span></h2> |
| <a name="Description_4"></a><h3> <span class="mw-headline"> Description </span></h3> |
| <p>Extracts literal values from an attribute that has a nested map. The attributes in the nested map can have nested maps themselves. To address a attribute in the nested structure, a path needs to be specified. The pipelet supports different execution modes: |
| </p> |
| <ul><li>FIRST: selects only the first literal of the specified attribute |
| </li><li>LAST: selects only the last literal of the specified attribute |
| </li><li>ALL_AS_LIST: selects all literal values of the specified attribute and returns a list |
| </li><li>ALL_AS_ONE: selects all literal values of the specified attribute and concatenates them to a single string, using a separator (default is blank) |
| </li></ul> |
| <p>This pipelet works only on attributes, not on attachments! |
| </p><p><b>Note</b>: |
| If the maps on the path are nested in sequences, the pipelet uses the first element of such a sequence. |
| </p> |
| <a name="Configuration_7"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <table border="1"> |
| <tr> |
| <th>Property |
| </th><th>Type |
| </th><th>Read Type |
| </th><th>Description |
| </th></tr> |
| <tr> |
| <td><i>inputPath</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>the path to the input attribute with Literals |
| </td></tr> |
| <tr> |
| <td><i>outputPath</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>the name of the attribute to store the extracted value(s) as Literals in (not a path, only a top-level attribute, currently) |
| </td></tr> |
| <tr> |
| <td><i>mode</i> |
| </td><td>String : <i>FIRST, LAST, ALL_AS_LIST, ALL_AS_ONE</i> |
| </td><td>runtime |
| </td><td> execution mode. See above for details. |
| </td></tr> |
| <tr> |
| <td><i>separator</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td> the separation string used for mode ALL_AS_ONE. Default is a blank |
| </td></tr> |
| </table> |
| <a name="Example_6"></a><h3> <span class="mw-headline"> Example </span></h3> |
| <p>This configuration can be applied to records provided by the FeedAgent. It shows how to access the subattribute 'Value' of attribute 'Contents', concatenating all values to one: |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="coMULTI"><!-- extract content --></span></span> |
| <span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"extract content"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.SubAttributeExtractorPipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re0">output</span>=<span class="st0">"request"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"inputPath"</span><span class="re2">></span></span>Contents/Value<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"outputPath"</span><span class="re2">></span></span>Content<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"mode"</span><span class="re2">></span></span>ALL_AS_ONE<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <a name="org.eclipse.smila.processing.pipelets.ReplacePipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.ReplacePipelet </span></h2> |
| <a name="Description_5"></a><h3> <span class="mw-headline"> Description </span></h3> |
| <p>Searches for one or more patterns in the literal value of an attribute and substitutes the found occurrences by the configured replacements. |
| </p><p>You can choose from different matching types: |
| </p> |
| <ul><li> <i>entity</i>: Every pattern is matched against the whole attribute value (with respect to the <i>ignoreCase</i> property) and the first matching pattern defines the new value of the attribute. If no pattern matches, the result is the current value of the attribute. |
| </li><li> <i>substring</i>: All patterns that are part of the attribute value are replaced. |
| </li><li> <i>regexp</i>: Interpret all patterns as <a href="http://en.wikipedia.org/wiki/Regular_expression" class="external text" title="http://en.wikipedia.org/wiki/Regular_expression" rel="nofollow">regular expression</a>, see <a href="http://docs.oracle.com/javase/6/docs/api/java/util/regex/Matcher.html#replaceAll(java.lang.String)" class="external text" title="http://docs.oracle.com/javase/6/docs/api/java/util/regex/Matcher.html#replaceAll(java.lang.String)" rel="nofollow">Matcher#replaceAll(String)</a> |
| </li></ul> |
| <p>This pipelet works only on attributes, not on attachments! |
| </p> |
| <a name="Configuration_8"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <table border="1"> |
| <tr> |
| <th>Property |
| </th><th>Type |
| </th><th>Read Type |
| </th><th>Description |
| </th></tr> |
| <tr> |
| <td><i>inputAttribute</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>the name of the attribute that contains the literal to search in |
| </td></tr> |
| <tr> |
| <td><i>outputAttribute</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>the name of the attribute to store the result value as string, defaults to the input attribute |
| </td></tr> |
| <tr> |
| <td><i>type</i> |
| </td><td>String : <i>entity</i>, <i>substring</i>, <i>regexp</i> |
| </td><td>init |
| </td><td>Identifies the type of the pattern, see above for details. Defaults to <i>substring</i>. |
| </td></tr> |
| <tr> |
| <td><i>ignoreCase</i> |
| </td><td>Boolean |
| </td><td>init |
| </td><td>indicates that the case is ignored when matching patterns, defaults to <i>false</i>. |
| </td></tr> |
| <tr> |
| <td><i>mapping</i> |
| </td><td>Map |
| </td><td>init |
| </td><td>A mapping of multiple patterns and replacements. Each key is a pattern and its value the replacement. |
| </td></tr> |
| <tr> |
| <td><i>pattern</i> |
| </td><td>String |
| </td><td>init |
| </td><td>the pattern to apply to the literal value (see above for a description of possible types), required if no mapping is given |
| </td></tr> |
| <tr> |
| <td><i>replacement</i> |
| </td><td>String |
| </td><td>init |
| </td><td>the substitution string used to replace all occurrences of the pattern, defaults to the empty string |
| </td></tr> |
| </table> |
| <a name="Examples"></a><h3> <span class="mw-headline"> Examples </span></h3> |
| <p>This configuration can be used to map language ids to their label: |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"set language label"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.ReplacePipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re0">output</span>=<span class="st0">"request"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"inputAttribute"</span><span class="re2">></span></span>Language<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"outputAttribute"</span><span class="re2">></span></span>LanguageLabel<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"type"</span><span class="re2">></span></span>entity<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"ignoreCase"</span> <span class="re0">type</span>=<span class="st0">"boolean"</span><span class="re2">></span></span>true<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Map</span> <span class="re0">key</span>=<span class="st0">"mapping"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"de"</span><span class="re2">></span></span>German<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"en"</span><span class="re2">></span></span>English<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"es"</span><span class="re2">></span></span>Spanish<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"fr"</span><span class="re2">></span></span>French<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| ... |
| <span class="sc3"><span class="re1"></rec:Map<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <p>This configuration can be used to cut the time information from a timestamp: |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"cut time"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.ReplacePipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re0">output</span>=<span class="st0">"request"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"inputAttribute"</span><span class="re2">></span></span>ModificationTime<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"outputAttribute"</span><span class="re2">></span></span>ModificationDate<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"type"</span><span class="re2">></span></span>regexp<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"pattern"</span><span class="re2">></span></span>[T ].*<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"replacement"</span><span class="re2">></span></span><span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <a name="org.eclipse.smila.processing.pipelets.ScriptPipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.ScriptPipelet </span></h2> |
| <a name="Description_6"></a><h3> <span class="mw-headline"> Description </span></h3> |
| <p>Executes a script for each record. |
| </p><p>For execution the <a href="http://en.wikipedia.org/wiki/Scripting_for_the_Java_Platform" class="external text" title="http://en.wikipedia.org/wiki/Scripting_for_the_Java_Platform" rel="nofollow">Java Scripting API (JSR 223)</a> is responsible - thus any compatible scripting engine can be used. JavaScript is available "out of the box" and the default script language. |
| </p><p>The context of the script will contain three variables: |
| </p> |
| <ul><li> <i>blackboard</i>: a reference to the <a href="http://build.eclipse.org/rt/smila/javadoc/current/org/eclipse/smila/blackboard/Blackboard.html" class="external text" title="http://build.eclipse.org/rt/smila/javadoc/current/org/eclipse/smila/blackboard/Blackboard.html" rel="nofollow">blackboard</a> |
| </li><li> <i>id</i>: the ID of the current record |
| </li><li> <i>record</i>: the <a href="http://build.eclipse.org/rt/smila/javadoc/current/org/eclipse/smila/datamodel/AnyMap.html" class="external text" title="http://build.eclipse.org/rt/smila/javadoc/current/org/eclipse/smila/datamodel/AnyMap.html" rel="nofollow">metadata</a> of the current record |
| </li></ul> |
| <p>Please be aware that the intention of this pipelet is to write pipelines fast, but not to write fast pipelines - the script is parsed for every record. Don't use it for production environments where performance matters, but use it to develop an algorithm that you can put into <a href="../Development_Guidelines/How_to_write_a_Pipelet.html" class="mw-redirect" title="SMILA/Development Guidelines/How to write a Pipelet">your own pipelet</a>. |
| </p> |
| <a name="Configuration_9"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <table border="1"> |
| <tr> |
| <th>Property |
| </th><th>Type |
| </th><th>Read Type |
| </th><th>Description |
| </th></tr> |
| <tr> |
| <td><i>type</i> |
| </td><td>String |
| </td><td>init |
| </td><td>the mime type of the scripting language, defaults to "text/javascript" |
| </td></tr> |
| <tr> |
| <td><i>scriptFile</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>the path of the file that contains the script - modifications of this file are observed on every execution of the pipelet |
| </td></tr> |
| <tr> |
| <td><i>script</i> |
| </td><td>String |
| </td><td>init |
| </td><td>The "inline" script, required unless <i>scriptFile</i> is specified (ignored in that case) |
| </td></tr> |
| <tr> |
| <td><i>resultAttribute</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>The name of an attribute that will receive the result of the script (usually the result of the last expression) |
| </td></tr> |
| </table> |
| <a name="Examples_2"></a><h3> <span class="mw-headline"> Examples </span></h3> |
| <p>This configuration can be used to concatenate the values of two attributes and save the result into a third one: |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"create full name"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.ScriptPipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re0">output</span>=<span class="st0">"request"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"script"</span><span class="re2">></span></span>record.getStringValue("firstName") + " " + record.getStringValue("lastName")<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"resultAttribute"</span><span class="re2">></span></span>fullName<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <p>This configuration can be used to execute a java script file from $SMILA_PATH$/configuration/example.js: |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"execute script"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.ScriptPipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re0">output</span>=<span class="st0">"request"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"scriptFile"</span><span class="re2">></span></span>configuration/example.js<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <a name="org.eclipse.smila.processing.pipelets.MimeTypeIdentifyPipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.MimeTypeIdentifyPipelet </span></h2> |
| <a name="Description_7"></a><h3> <span class="mw-headline"> Description </span></h3> |
| <p>This pipelet is used to identify the MIME type of a document. |
| It uses an <tt>org.eclipse.smila.processing.pipelets.mimetype.MimeTypeIdentifier</tt> service to perform the actual identification of the MIME type. Depending on the specified properties, the MIME type is detected from the file content, from the file extension, or from both. If the identification does not return a MIME type - and if configured accordingly - the service will search the metadata for this information. The identified MIME type is then stored to an attribute in the record. |
| </p> |
| <a name="Configuration_10"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <p>The pipelet is configured using the <tt><configuration></tt> section inside the <tt><invokePipelet></tt> activity of the corresponding BPEL file. It provides the following properties: |
| </p> |
| <table border="1"> |
| <tr> |
| <th>Property</th><th>Type</th><th>Read Type</th><th>Usage</th><th>Description |
| </th></tr> |
| <tr> |
| <td><i>FileExtensionAttribute</i></td><td>String</td><td>init</td><td>Optional</td><td>Name of the attribute containing the file extension |
| </td></tr> |
| <tr> |
| <td><i>ContentAttachment</i></td><td>String</td><td>init</td><td>Optional</td><td>Name of the attachment containing the file content |
| </td></tr> |
| <tr> |
| <td><i>MetaDataAttribute</i></td><td>String</td><td>init</td><td>Optional</td><td>Name of the attribute containing metadata information, e.g. a Web Crawler returns a response header containing applicable MIME type information |
| </td></tr> |
| <tr> |
| <td><i>MimeTypeAttribute</i></td><td>String</td><td>init</td><td>Required</td><td>Name of the attribute to store the identified MIME type to |
| </td></tr></table> |
| <p>Note that at least one of the properties <i>FileExtensionAttribute</i>, <i>ContentAttachment</i>, and <i>MetaDataAttribute</i> must be specified! |
| </p> |
| <a name="Example_7"></a><h3> <span class="mw-headline"> Example </span></h3> |
| <p>The following example is used in the SMILA example application to identify the MIME types of documents that are delivered by the File System Crawler or Web Crawler. |
| </p><p><b>addpipeline.bpel</b> |
| </p> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"detect MimeType"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.MimeTypeIdentifyPipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re0">output</span>=<span class="st0">"request"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"FileExtensionAttribute"</span><span class="re2">></span></span>Extension<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"MetaDataAttribute"</span><span class="re2">></span></span>MetaData<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"MimeTypeAttribute"</span><span class="re2">></span></span>MimeType<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <a name="org.eclipse.smila.processing.pipelets.FileReaderPipelet"></a><h2> <span class="mw-headline"> org.eclipse.smila.processing.pipelets.FileReaderPipelet </span></h2> |
| <a name="Description_8"></a><h3> <span class="mw-headline"> Description </span></h3> |
| <p>This pipelet can be used to read content from a file and add it as an attachment. |
| </p> |
| <a name="Configuration_11"></a><h3> <span class="mw-headline"> Configuration </span></h3> |
| <table border="1"> |
| <tr> |
| <th>Property |
| </th><th>Type |
| </th><th>Read Type |
| </th><th>Description |
| </th></tr> |
| <tr> |
| <td><i>pathAttribute</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>The name of the attribute with the path of the file to read from |
| </td></tr> |
| <tr> |
| <td><i>contentAttachment</i> |
| </td><td>String |
| </td><td>runtime |
| </td><td>The name of the attachment to store the content |
| </td></tr> |
| </table> |
| <a name="Example_8"></a><h3> <span class="mw-headline"> Example </span></h3> |
| <div dir="ltr" style="text-align: left;"><pre class="source-xml"><span class="sc3"><span class="coMULTI"><!-- read from file and add attachment --></span></span> |
| <span class="sc3"><span class="re1"><extensionActivity<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><proc:invokePipelet</span> <span class="re0">name</span>=<span class="st0">"invokeReadFile"</span><span class="re2">></span></span> |
| <span class="sc3"><span class="re1"><proc:pipelet</span> <span class="re0">class</span>=<span class="st0">"org.eclipse.smila.processing.pipelets.FileReaderPipelet"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:variables</span> <span class="re0">input</span>=<span class="st0">"request"</span> <span class="re0">output</span>=<span class="st0">"request"</span> <span class="re2">/></span></span> |
| <span class="sc3"><span class="re1"><proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"pathAttribute"</span><span class="re2">></span></span>path<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"><rec:Val</span> <span class="re0">key</span>=<span class="st0">"contentAttachment"</span><span class="re2">></span></span>content<span class="sc3"><span class="re1"></rec:Val<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:configuration<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></proc:invokePipelet<span class="re2">></span></span></span> |
| <span class="sc3"><span class="re1"></extensionActivity<span class="re2">></span></span></span></pre></div> |
| <p>LanguageLabel |
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