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| <div class="subTitle">org.eclipse.jetty.client.util</div> |
| <h2 title="Class DeferredContentProvider" class="title">Class DeferredContentProvider</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.eclipse.jetty.client.util.DeferredContentProvider</li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
| <ul class="blockList"> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>>, <a href="../../../../../org/eclipse/jetty/client/api/ContentProvider.html" title="interface in org.eclipse.jetty.client.api">ContentProvider</a>, <a href="../../../../../org/eclipse/jetty/client/AsyncContentProvider.html" title="interface in org.eclipse.jetty.client">AsyncContentProvider</a>, <a href="../../../../../org/eclipse/jetty/util/Callback.html" title="interface in org.eclipse.jetty.util">Callback</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="strong">DeferredContentProvider</span> |
| extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../../org/eclipse/jetty/client/AsyncContentProvider.html" title="interface in org.eclipse.jetty.client">AsyncContentProvider</a>, <a href="../../../../../org/eclipse/jetty/util/Callback.html" title="interface in org.eclipse.jetty.util">Callback</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></pre> |
| <div class="block">A <a href="../../../../../org/eclipse/jetty/client/api/ContentProvider.html" title="interface in org.eclipse.jetty.client.api"><code>ContentProvider</code></a> that allows to add content after <a href="../../../../../org/eclipse/jetty/client/api/Request.html#send(org.eclipse.jetty.client.api.Response.CompleteListener)"><code>Request.send(Response.CompleteListener)</code></a> |
| has been called, therefore providing the request content at a later time. |
| <p /> |
| <a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html" title="class in org.eclipse.jetty.client.util"><code>DeferredContentProvider</code></a> can only be used in conjunction with |
| <a href="../../../../../org/eclipse/jetty/client/api/Request.html#send(org.eclipse.jetty.client.api.Response.CompleteListener)"><code>Request.send(Response.CompleteListener)</code></a> (and not with its blocking counterpart <a href="../../../../../org/eclipse/jetty/client/api/Request.html#send()"><code>Request.send()</code></a>) |
| because it provides content asynchronously. |
| <p /> |
| The deferred content is provided once and then fully consumed. |
| Invocations to the <a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#iterator()"><code>iterator()</code></a> method after the first will return an "empty" iterator |
| because the stream has been consumed on the first invocation. |
| However, it is possible for subclasses to override <a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#offer(java.nio.ByteBuffer)"><code>offer(ByteBuffer)</code></a> and <a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#close()"><code>close()</code></a> to copy |
| the content to another location (for example a file) and be able to support multiple invocations |
| of of <a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#iterator()"><code>iterator()</code></a> returning the iterator provided by this |
| class on the first invocation, and an iterator on the bytes copied to the other location |
| for subsequent invocations. |
| <p /> |
| Typical usage of <a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html" title="class in org.eclipse.jetty.client.util"><code>DeferredContentProvider</code></a> is in asynchronous proxies, where HTTP headers arrive |
| separately from HTTP content chunks. |
| <p /> |
| The deferred content must be provided through <a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#offer(java.nio.ByteBuffer)"><code>offer(ByteBuffer)</code></a>, which can be invoked multiple |
| times, and when all content has been provided it must be signaled with a call to <a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#close()"><code>close()</code></a>. |
| <p /> |
| Example usage: |
| <pre> |
| HttpClient httpClient = ...; |
| |
| // Use try-with-resources to autoclose DeferredContentProvider |
| try (DeferredContentProvider content = new DeferredContentProvider()) |
| { |
| httpClient.newRequest("localhost", 8080) |
| .content(content) |
| .send(new Response.CompleteListener() |
| { |
| @Override |
| public void onComplete(Result result) |
| { |
| // Your logic here |
| } |
| }); |
| |
| // At a later time... |
| content.offer(ByteBuffer.wrap("some content".getBytes())); |
| } |
| </pre></div> |
| </li> |
| </ul> |
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| <h3>Nested Class Summary</h3> |
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| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.Chunk.html" title="class in org.eclipse.jetty.client.util">DeferredContentProvider.Chunk</a></strong></code> </td> |
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| <h3>Nested classes/interfaces inherited from interface org.eclipse.jetty.client.<a href="../../../../../org/eclipse/jetty/client/AsyncContentProvider.html" title="interface in org.eclipse.jetty.client">AsyncContentProvider</a></h3> |
| <code><a href="../../../../../org/eclipse/jetty/client/AsyncContentProvider.Listener.html" title="interface in org.eclipse.jetty.client">AsyncContentProvider.Listener</a></code></li> |
| </ul> |
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| <!-- --> |
| </a> |
| <h3>Nested classes/interfaces inherited from interface org.eclipse.jetty.client.api.<a href="../../../../../org/eclipse/jetty/client/api/ContentProvider.html" title="interface in org.eclipse.jetty.client.api">ContentProvider</a></h3> |
| <code><a href="../../../../../org/eclipse/jetty/client/api/ContentProvider.Typed.html" title="interface in org.eclipse.jetty.client.api">ContentProvider.Typed</a></code></li> |
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| </a> |
| <h3>Nested classes/interfaces inherited from interface org.eclipse.jetty.util.<a href="../../../../../org/eclipse/jetty/util/Callback.html" title="interface in org.eclipse.jetty.util">Callback</a></h3> |
| <code><a href="../../../../../org/eclipse/jetty/util/Callback.Adapter.html" title="class in org.eclipse.jetty.util">Callback.Adapter</a></code></li> |
| </ul> |
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| <h3>Constructor Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#DeferredContentProvider(java.nio.ByteBuffer...)">DeferredContentProvider</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>... buffers)</code> |
| <div class="block">Creates a new <a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html" title="class in org.eclipse.jetty.client.util"><code>DeferredContentProvider</code></a> with the given initial content</div> |
| </td> |
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| </table> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
| <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span>Methods</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#close()">close</a></strong>()</code> |
| <div class="block">No more content will be added to this content provider |
| and notifies the listener that no more content is available.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#failed(java.lang.Throwable)">failed</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a> failure)</code> |
| <div class="block">Callback invoked when the operation fails.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#flush()">flush</a></strong>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#getLength()">getLength</a></strong>()</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#isClosed()">isClosed</a></strong>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#iterator()">iterator</a></strong>()</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#offer(java.nio.ByteBuffer)">offer</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> buffer)</code> |
| <div class="block">Adds the given content buffer to this content provider |
| and notifies the listener that content is available.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#offer(java.nio.ByteBuffer,%20org.eclipse.jetty.util.Callback)">offer</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> buffer, |
| <a href="../../../../../org/eclipse/jetty/util/Callback.html" title="interface in org.eclipse.jetty.util">Callback</a> callback)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#setListener(org.eclipse.jetty.client.AsyncContentProvider.Listener)">setListener</a></strong>(<a href="../../../../../org/eclipse/jetty/client/AsyncContentProvider.Listener.html" title="interface in org.eclipse.jetty.client">AsyncContentProvider.Listener</a> listener)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html#succeeded()">succeeded</a></strong>()</code> |
| <div class="block">Callback invoked when the operation completes.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods_inherited_from_class_java.lang.Object"> |
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| </a> |
| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <li class="blockList"><a name="constructor_detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="DeferredContentProvider(java.nio.ByteBuffer...)"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>DeferredContentProvider</h4> |
| <pre>public DeferredContentProvider(<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>... buffers)</pre> |
| <div class="block">Creates a new <a href="../../../../../org/eclipse/jetty/client/util/DeferredContentProvider.html" title="class in org.eclipse.jetty.client.util"><code>DeferredContentProvider</code></a> with the given initial content</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>buffers</code> - the initial content</dd></dl> |
| </li> |
| </ul> |
| </li> |
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| <h3>Method Detail</h3> |
| <a name="setListener(org.eclipse.jetty.client.AsyncContentProvider.Listener)"> |
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| <h4>setListener</h4> |
| <pre>public void setListener(<a href="../../../../../org/eclipse/jetty/client/AsyncContentProvider.Listener.html" title="interface in org.eclipse.jetty.client">AsyncContentProvider.Listener</a> listener)</pre> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/eclipse/jetty/client/AsyncContentProvider.html#setListener(org.eclipse.jetty.client.AsyncContentProvider.Listener)">setListener</a></code> in interface <code><a href="../../../../../org/eclipse/jetty/client/AsyncContentProvider.html" title="interface in org.eclipse.jetty.client">AsyncContentProvider</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>listener</code> - the listener to be notified of content availability</dd></dl> |
| </li> |
| </ul> |
| <a name="getLength()"> |
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| <h4>getLength</h4> |
| <pre>public long getLength()</pre> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/eclipse/jetty/client/api/ContentProvider.html#getLength()">getLength</a></code> in interface <code><a href="../../../../../org/eclipse/jetty/client/api/ContentProvider.html" title="interface in org.eclipse.jetty.client.api">ContentProvider</a></code></dd> |
| <dt><span class="strong">Returns:</span></dt><dd>the content length, if known, or -1 if the content length is unknown</dd></dl> |
| </li> |
| </ul> |
| <a name="offer(java.nio.ByteBuffer)"> |
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| <h4>offer</h4> |
| <pre>public boolean offer(<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> buffer)</pre> |
| <div class="block">Adds the given content buffer to this content provider |
| and notifies the listener that content is available.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>buffer</code> - the content to add</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>true if the content was added, false otherwise</dd></dl> |
| </li> |
| </ul> |
| <a name="offer(java.nio.ByteBuffer, org.eclipse.jetty.util.Callback)"> |
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| </a> |
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| <h4>offer</h4> |
| <pre>public boolean offer(<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> buffer, |
| <a href="../../../../../org/eclipse/jetty/util/Callback.html" title="interface in org.eclipse.jetty.util">Callback</a> callback)</pre> |
| </li> |
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| <h4>flush</h4> |
| <pre>public void flush() |
| throws <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd></dl> |
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| <h4>close</h4> |
| <pre>public void close()</pre> |
| <div class="block">No more content will be added to this content provider |
| and notifies the listener that no more content is available.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true#close()" title="class or interface in java.io">close</a></code> in interface <code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></code></dd> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true#close()" title="class or interface in java.lang">close</a></code> in interface <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></dd> |
| </dl> |
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| <h4>isClosed</h4> |
| <pre>public boolean isClosed()</pre> |
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| <h4>succeeded</h4> |
| <pre>public void succeeded()</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/eclipse/jetty/util/Callback.html#succeeded()">Callback</a></code></strong></div> |
| <div class="block"><p>Callback invoked when the operation completes.</p></div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/eclipse/jetty/util/Callback.html#succeeded()">succeeded</a></code> in interface <code><a href="../../../../../org/eclipse/jetty/util/Callback.html" title="interface in org.eclipse.jetty.util">Callback</a></code></dd> |
| <dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/eclipse/jetty/util/Callback.html#failed(java.lang.Throwable)"><code>Callback.failed(Throwable)</code></a></dd></dl> |
| </li> |
| </ul> |
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| <h4>failed</h4> |
| <pre>public void failed(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a> failure)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/eclipse/jetty/util/Callback.html#failed(java.lang.Throwable)">Callback</a></code></strong></div> |
| <div class="block"><p>Callback invoked when the operation fails.</p></div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../org/eclipse/jetty/util/Callback.html#failed(java.lang.Throwable)">failed</a></code> in interface <code><a href="../../../../../org/eclipse/jetty/util/Callback.html" title="interface in org.eclipse.jetty.util">Callback</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>failure</code> - the reason for the operation failure</dd></dl> |
| </li> |
| </ul> |
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| <h4>iterator</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>> iterator()</pre> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true#iterator()" title="class or interface in java.lang">iterator</a></code> in interface <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>></code></dd> |
| </dl> |
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