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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.eclipse.jetty.osgi.boot.internal.webapp</a></div> |
| <h2 title="Class LibExtClassLoaderHelper" class="title">Class LibExtClassLoaderHelper</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.eclipse.jetty.osgi.boot.internal.webapp.LibExtClassLoaderHelper</li> |
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| <pre>public class <span class="typeNameLabel">LibExtClassLoaderHelper</span> |
| extends java.lang.Object</pre> |
| <div class="block">LibExtClassLoaderHelper |
| <p> |
| Helper to create a URL class-loader with the jars inside |
| <code>${jetty.home}/lib/ext</code> and <code>${jetty.home}/resources</code>. In an ideal world, every |
| library is an OSGi bundle that does loads nicely. To support standard jars or |
| bundles that cannot be loaded in the current OSGi environment, we support |
| inserting the jars in the usual jetty/lib/ext folders in the proper classpath |
| for the webapps. |
| <p> |
| The drawback is that those jars will not be available in the OSGi |
| classloader. |
| <p> |
| Alternatives to placing jars in lib/ext: |
| <ol> |
| <li>Bundle the jars in an osgi bundle. Have the webapp(s) that need these jars |
| depend on that bundle.</li> |
| <li>Bundle those jars in an osgi bundle-fragment that targets the |
| jetty-bootstrap bundle</li> |
| <li>Use equinox Buddy-Policy: register a buddy of the jetty bootstrapper |
| bundle. (Note: it will work only on equinox)</li> |
| </ol></div> |
| </li> |
| </ul> |
| </div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="LibExtClassLoaderHelper.IFilesInJettyHomeResourcesProcessor.html" title="interface in org.eclipse.jetty.osgi.boot.internal.webapp">LibExtClassLoaderHelper.IFilesInJettyHomeResourcesProcessor</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">IFilesInJettyHomeResourcesProcessor |
| |
| Interface for callback impls</div> |
| </td> |
| </tr> |
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| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.util.Set<<a href="LibExtClassLoaderHelper.IFilesInJettyHomeResourcesProcessor.html" title="interface in org.eclipse.jetty.osgi.boot.internal.webapp">LibExtClassLoaderHelper.IFilesInJettyHomeResourcesProcessor</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#registeredFilesInJettyHomeResourcesProcessors">registeredFilesInJettyHomeResourcesProcessors</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
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| <th class="colFirst" scope="col">Constructor</th> |
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| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">LibExtClassLoaderHelper</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static java.lang.ClassLoader</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createLibEtcClassLoader(java.io.File,java.lang.ClassLoader)">createLibEtcClassLoader</a></span>​(java.io.File jettyHome, |
| java.lang.ClassLoader parentClassLoader)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static java.lang.ClassLoader</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createLibExtClassLoader(java.util.List,java.util.List,java.lang.ClassLoader)">createLibExtClassLoader</a></span>​(java.util.List<java.io.File> jarsContainerOrJars, |
| java.util.List<java.net.URL> otherJarsOrFolder, |
| java.lang.ClassLoader parentClassLoader)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#processFilesInResourcesFolder(java.io.File,java.util.Map)">processFilesInResourcesFolder</a></span>​(java.io.File jettyHome, |
| java.util.Map<java.lang.String,​java.io.File> childrenFiles)</code></th> |
| <td class="colLast"> |
| <div class="block">When we find files typically used for central logging configuration we do |
| what it takes in this method to do what the user expects.</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
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| </a> |
| <h3>Field Detail</h3> |
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| <!-- --> |
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| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>registeredFilesInJettyHomeResourcesProcessors</h4> |
| <pre>public static final java.util.Set<<a href="LibExtClassLoaderHelper.IFilesInJettyHomeResourcesProcessor.html" title="interface in org.eclipse.jetty.osgi.boot.internal.webapp">LibExtClassLoaderHelper.IFilesInJettyHomeResourcesProcessor</a>> registeredFilesInJettyHomeResourcesProcessors</pre> |
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| </li> |
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| <h4>LibExtClassLoaderHelper</h4> |
| <pre>public LibExtClassLoaderHelper()</pre> |
| </li> |
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| <a id="createLibEtcClassLoader(java.io.File,java.lang.ClassLoader)"> |
| <!-- --> |
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| <li class="blockList"> |
| <h4>createLibEtcClassLoader</h4> |
| <pre class="methodSignature">public static java.lang.ClassLoader createLibEtcClassLoader​(java.io.File jettyHome, |
| java.lang.ClassLoader parentClassLoader) |
| throws java.net.MalformedURLException</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>jettyHome</code> - the jetty home</dd> |
| <dd><code>parentClassLoader</code> - the parent classloader</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a url classloader with the jars of resources, lib/ext and the |
| jars passed in the other argument. The parent classloader usually |
| is the JettyBootStrapper (an osgi classloader.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.net.MalformedURLException</code> - if the jetty home reference is invalid</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="createLibExtClassLoader(java.util.List,java.util.List,java.lang.ClassLoader)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>createLibExtClassLoader</h4> |
| <pre class="methodSignature">public static java.lang.ClassLoader createLibExtClassLoader​(java.util.List<java.io.File> jarsContainerOrJars, |
| java.util.List<java.net.URL> otherJarsOrFolder, |
| java.lang.ClassLoader parentClassLoader) |
| throws java.net.MalformedURLException</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>jarsContainerOrJars</code> - the jars via file references</dd> |
| <dd><code>otherJarsOrFolder</code> - more jars via url references</dd> |
| <dd><code>parentClassLoader</code> - the parent classloader</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a url classloader with the jars of resources, lib/ext and the |
| jars passed in the other argument. The parent classloader usually |
| is the JettyBootStrapper (an osgi classloader). If there was no |
| extra jars to insert, then just return the parentClassLoader.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.net.MalformedURLException</code> - if there is a bad jar file reference</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="processFilesInResourcesFolder(java.io.File,java.util.Map)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>processFilesInResourcesFolder</h4> |
| <pre class="methodSignature">protected static void processFilesInResourcesFolder​(java.io.File jettyHome, |
| java.util.Map<java.lang.String,​java.io.File> childrenFiles)</pre> |
| <div class="block">When we find files typically used for central logging configuration we do |
| what it takes in this method to do what the user expects. Without |
| depending too much directly on a particular logging framework. |
| <p> |
| We can afford to do some implementation specific code for a logging |
| framework only in a fragment. |
| <p> |
| Trying to configure log4j and logback in here. |
| <p> |
| We recommend that slf4j jars are all placed in the osgi framework. And a |
| single implementation if possible packaged as an osgi bundle is there.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>jettyHome</code> - the jetty home reference</dd> |
| <dd><code>childrenFiles</code> - the map of child files</dd> |
| </dl> |
| </li> |
| </ul> |
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