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<title>ContentTransformingResource (Apache Ant API)</title>
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<div class="subTitle">org.apache.tools.ant.types.resources</div>
<h2 title="Class ContentTransformingResource" class="title">Class ContentTransformingResource</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/tools/ant/ProjectComponent.html" title="class in org.apache.tools.ant">org.apache.tools.ant.ProjectComponent</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/tools/ant/types/DataType.html" title="class in org.apache.tools.ant.types">org.apache.tools.ant.types.DataType</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/tools/ant/types/Resource.html" title="class in org.apache.tools.ant.types">org.apache.tools.ant.types.Resource</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html" title="class in org.apache.tools.ant.types.resources">org.apache.tools.ant.types.resources.ResourceDecorator</a></li>
<li>
<ul class="inheritance">
<li>org.apache.tools.ant.types.resources.ContentTransformingResource</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd>java.lang.Cloneable, java.lang.Comparable, <a href="../../../../../../org/apache/tools/ant/types/ResourceCollection.html" title="interface in org.apache.tools.ant.types">ResourceCollection</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../org/apache/tools/ant/types/resources/CompressedResource.html" title="class in org.apache.tools.ant.types.resources">CompressedResource</a></dd>
</dl>
<hr>
<br>
<pre>public abstract class <span class="strong">ContentTransformingResource</span>
extends <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html" title="class in org.apache.tools.ant.types.resources">ResourceDecorator</a></pre>
<div class="block">A resource that transforms the content of another resource.
<p>Wraps around another resource, delegates all queries (except
getSize) to that other resource but transforms stream content
on the fly.</p></div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>Ant 1.8</dd></dl>
</li>
</ul>
</div>
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<!-- =========== FIELD SUMMARY =========== -->
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<h3>Field Summary</h3>
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<h3>Fields inherited from class org.apache.tools.ant.types.<a href="../../../../../../org/apache/tools/ant/types/Resource.html" title="class in org.apache.tools.ant.types">Resource</a></h3>
<code><a href="../../../../../../org/apache/tools/ant/types/Resource.html#MAGIC">MAGIC</a>, <a href="../../../../../../org/apache/tools/ant/types/Resource.html#UNKNOWN_DATETIME">UNKNOWN_DATETIME</a>, <a href="../../../../../../org/apache/tools/ant/types/Resource.html#UNKNOWN_SIZE">UNKNOWN_SIZE</a></code></li>
</ul>
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<li class="blockList"><a name="fields_inherited_from_class_org.apache.tools.ant.types.DataType">
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<h3>Fields inherited from class org.apache.tools.ant.types.<a href="../../../../../../org/apache/tools/ant/types/DataType.html" title="class in org.apache.tools.ant.types">DataType</a></h3>
<code><a href="../../../../../../org/apache/tools/ant/types/DataType.html#checked">checked</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#ref">ref</a></code></li>
</ul>
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<h3>Fields inherited from class org.apache.tools.ant.<a href="../../../../../../org/apache/tools/ant/ProjectComponent.html" title="class in org.apache.tools.ant">ProjectComponent</a></h3>
<code><a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#description">description</a>, <a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#location">location</a>, <a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#project">project</a></code></li>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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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="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/tools/ant/types/resources/ContentTransformingResource.html#ContentTransformingResource()">ContentTransformingResource</a></strong>()</code>
<div class="block">no arg constructor</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/tools/ant/types/resources/ContentTransformingResource.html#ContentTransformingResource(org.apache.tools.ant.types.ResourceCollection)">ContentTransformingResource</a></strong>(<a href="../../../../../../org/apache/tools/ant/types/ResourceCollection.html" title="interface in org.apache.tools.ant.types">ResourceCollection</a> other)</code>
<div class="block">Constructor with another resource to wrap.</div>
</td>
</tr>
</table>
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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>java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/tools/ant/types/resources/ContentTransformingResource.html#as(java.lang.Class)">as</a></strong>(java.lang.Class clazz)</code>
<div class="block">Suppress FileProvider, re-implement Appendable</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.io.InputStream</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/tools/ant/types/resources/ContentTransformingResource.html#getInputStream()">getInputStream</a></strong>()</code>
<div class="block">Get an InputStream for the Resource.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.io.OutputStream</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/tools/ant/types/resources/ContentTransformingResource.html#getOutputStream()">getOutputStream</a></strong>()</code>
<div class="block">Get an OutputStream for the Resource.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/tools/ant/types/resources/ContentTransformingResource.html#getSize()">getSize</a></strong>()</code>
<div class="block">Get the size of this Resource.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/tools/ant/types/resources/ContentTransformingResource.html#isAppendSupported()">isAppendSupported</a></strong>()</code>
<div class="block">Learn whether the transformation performed allows appends.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected abstract java.io.InputStream</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/tools/ant/types/resources/ContentTransformingResource.html#wrapStream(java.io.InputStream)">wrapStream</a></strong>(java.io.InputStream in)</code>
<div class="block">Get a content-filtering/transforming InputStream.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected abstract java.io.OutputStream</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/tools/ant/types/resources/ContentTransformingResource.html#wrapStream(java.io.OutputStream)">wrapStream</a></strong>(java.io.OutputStream out)</code>
<div class="block">Get a content-filtering/transforming OutputStream.</div>
</td>
</tr>
</table>
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<h3>Methods inherited from class org.apache.tools.ant.types.resources.<a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html" title="class in org.apache.tools.ant.types.resources">ResourceDecorator</a></h3>
<code><a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#addConfigured(org.apache.tools.ant.types.ResourceCollection)">addConfigured</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#compareTo(java.lang.Object)">compareTo</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#dieOnCircularReference(java.util.Stack, org.apache.tools.ant.Project)">dieOnCircularReference</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#getLastModified()">getLastModified</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#getName()">getName</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#getResource()">getResource</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#hashCode()">hashCode</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#isDirectory()">isDirectory</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#isExists()">isExists</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#isFilesystemOnly()">isFilesystemOnly</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#setDirectory(boolean)">setDirectory</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#setExists(boolean)">setExists</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#setLastModified(long)">setLastModified</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#setName(java.lang.String)">setName</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#setRefid(org.apache.tools.ant.types.Reference)">setRefid</a>, <a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#setSize(long)">setSize</a></code></li>
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<h3>Methods inherited from class org.apache.tools.ant.types.<a href="../../../../../../org/apache/tools/ant/types/Resource.html" title="class in org.apache.tools.ant.types">Resource</a></h3>
<code><a href="../../../../../../org/apache/tools/ant/types/Resource.html#clone()">clone</a>, <a href="../../../../../../org/apache/tools/ant/types/Resource.html#equals(java.lang.Object)">equals</a>, <a href="../../../../../../org/apache/tools/ant/types/Resource.html#getMagicNumber(byte[])">getMagicNumber</a>, <a href="../../../../../../org/apache/tools/ant/types/Resource.html#iterator()">iterator</a>, <a href="../../../../../../org/apache/tools/ant/types/Resource.html#size()">size</a>, <a href="../../../../../../org/apache/tools/ant/types/Resource.html#toLongString()">toLongString</a>, <a href="../../../../../../org/apache/tools/ant/types/Resource.html#toString()">toString</a></code></li>
</ul>
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<h3>Methods inherited from class org.apache.tools.ant.types.<a href="../../../../../../org/apache/tools/ant/types/DataType.html" title="class in org.apache.tools.ant.types">DataType</a></h3>
<code><a href="../../../../../../org/apache/tools/ant/types/DataType.html#checkAttributesAllowed()">checkAttributesAllowed</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#checkChildrenAllowed()">checkChildrenAllowed</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#circularReference()">circularReference</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#dieOnCircularReference()">dieOnCircularReference</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#dieOnCircularReference(org.apache.tools.ant.Project)">dieOnCircularReference</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#getCheckedRef()">getCheckedRef</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#getCheckedRef(java.lang.Class, java.lang.String)">getCheckedRef</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#getCheckedRef(java.lang.Class, java.lang.String, org.apache.tools.ant.Project)">getCheckedRef</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#getCheckedRef(org.apache.tools.ant.Project)">getCheckedRef</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#getDataTypeName()">getDataTypeName</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#getRefid()">getRefid</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#invokeCircularReferenceCheck(org.apache.tools.ant.types.DataType, java.util.Stack, org.apache.tools.ant.Project)">invokeCircularReferenceCheck</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#isChecked()">isChecked</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#isReference()">isReference</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#noChildrenAllowed()">noChildrenAllowed</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#pushAndInvokeCircularReferenceCheck(org.apache.tools.ant.types.DataType, java.util.Stack, org.apache.tools.ant.Project)">pushAndInvokeCircularReferenceCheck</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#setChecked(boolean)">setChecked</a>, <a href="../../../../../../org/apache/tools/ant/types/DataType.html#tooManyAttributes()">tooManyAttributes</a></code></li>
</ul>
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<h3>Methods inherited from class org.apache.tools.ant.<a href="../../../../../../org/apache/tools/ant/ProjectComponent.html" title="class in org.apache.tools.ant">ProjectComponent</a></h3>
<code><a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#getDescription()">getDescription</a>, <a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#getLocation()">getLocation</a>, <a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#getProject()">getProject</a>, <a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#log(java.lang.String)">log</a>, <a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#log(java.lang.String, int)">log</a>, <a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#setDescription(java.lang.String)">setDescription</a>, <a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#setLocation(org.apache.tools.ant.Location)">setLocation</a>, <a href="../../../../../../org/apache/tools/ant/ProjectComponent.html#setProject(org.apache.tools.ant.Project)">setProject</a></code></li>
</ul>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>finalize, getClass, notify, notifyAll, wait, wait, wait</code></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<div class="details">
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<li class="blockList">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<li class="blockList"><a name="constructor_detail">
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<h3>Constructor Detail</h3>
<a name="ContentTransformingResource()">
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<h4>ContentTransformingResource</h4>
<pre>protected ContentTransformingResource()</pre>
<div class="block">no arg constructor</div>
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<a name="ContentTransformingResource(org.apache.tools.ant.types.ResourceCollection)">
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<h4>ContentTransformingResource</h4>
<pre>protected ContentTransformingResource(<a href="../../../../../../org/apache/tools/ant/types/ResourceCollection.html" title="interface in org.apache.tools.ant.types">ResourceCollection</a> other)</pre>
<div class="block">Constructor with another resource to wrap.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>other</code> - the resource to wrap.</dd></dl>
</li>
</ul>
</li>
</ul>
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<h3>Method Detail</h3>
<a name="getSize()">
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<h4>getSize</h4>
<pre>public long getSize()</pre>
<div class="block">Get the size of this Resource.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#getSize()">getSize</a></code> in class <code><a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html" title="class in org.apache.tools.ant.types.resources">ResourceDecorator</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the size, as a long, 0 if the Resource does not exist (for
compatibility with java.io.File), or UNKNOWN_SIZE if not known.</dd></dl>
</li>
</ul>
<a name="getInputStream()">
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<h4>getInputStream</h4>
<pre>public java.io.InputStream getInputStream()
throws java.io.IOException</pre>
<div class="block">Get an InputStream for the Resource.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#getInputStream()">getInputStream</a></code> in class <code><a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html" title="class in org.apache.tools.ant.types.resources">ResourceDecorator</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>an InputStream containing this Resource's content.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if unable to provide the content of this
Resource as a stream.</dd>
<dd><code>java.lang.UnsupportedOperationException</code> - if InputStreams are not
supported for this Resource type.</dd></dl>
</li>
</ul>
<a name="getOutputStream()">
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<h4>getOutputStream</h4>
<pre>public java.io.OutputStream getOutputStream()
throws java.io.IOException</pre>
<div class="block">Get an OutputStream for the Resource.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#getOutputStream()">getOutputStream</a></code> in class <code><a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html" title="class in org.apache.tools.ant.types.resources">ResourceDecorator</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>an OutputStream to which content can be written.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if unable to provide the content of this
Resource as a stream.</dd>
<dd><code>java.lang.UnsupportedOperationException</code> - if OutputStreams are not
supported for this Resource type.</dd></dl>
</li>
</ul>
<a name="as(java.lang.Class)">
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<h4>as</h4>
<pre>public java.lang.Object as(java.lang.Class clazz)</pre>
<div class="block">Suppress FileProvider, re-implement Appendable</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html#as(java.lang.Class)">as</a></code> in class <code><a href="../../../../../../org/apache/tools/ant/types/resources/ResourceDecorator.html" title="class in org.apache.tools.ant.types.resources">ResourceDecorator</a></code></dd>
</dl>
</li>
</ul>
<a name="isAppendSupported()">
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<h4>isAppendSupported</h4>
<pre>protected boolean isAppendSupported()</pre>
<div class="block">Learn whether the transformation performed allows appends.
<p>In general compressed outputs will become invalid if they
are appended to, for example.</p>
<p>This implementations returns false.</p></div>
</li>
</ul>
<a name="wrapStream(java.io.InputStream)">
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</a>
<ul class="blockList">
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<h4>wrapStream</h4>
<pre>protected abstract java.io.InputStream wrapStream(java.io.InputStream in)
throws java.io.IOException</pre>
<div class="block">Get a content-filtering/transforming InputStream.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>in</code> - InputStream to wrap, will never be null.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a compressed inputstream.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if there is a problem.</dd></dl>
</li>
</ul>
<a name="wrapStream(java.io.OutputStream)">
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<h4>wrapStream</h4>
<pre>protected abstract java.io.OutputStream wrapStream(java.io.OutputStream out)
throws java.io.IOException</pre>
<div class="block">Get a content-filtering/transforming OutputStream.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>out</code> - OutputStream to wrap, will never be null.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a compressed outputstream.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if there is a problem.</dd></dl>
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