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<div class="subTitle">org.codehaus.plexus.interpolation</div>
<h2 title="Class PrefixedValueSourceWrapper" class="title">Class PrefixedValueSourceWrapper</h2>
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<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>
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<li>org.codehaus.plexus.interpolation.PrefixedValueSourceWrapper</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../org/codehaus/plexus/interpolation/FeedbackEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation">FeedbackEnabledValueSource</a>, <a href="../../../../org/codehaus/plexus/interpolation/QueryEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation">QueryEnabledValueSource</a>, <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a></dd>
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<pre>public class <span class="strong">PrefixedValueSourceWrapper</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/codehaus/plexus/interpolation/FeedbackEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation">FeedbackEnabledValueSource</a>, <a href="../../../../org/codehaus/plexus/interpolation/QueryEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation">QueryEnabledValueSource</a></pre>
<div class="block"><a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> implementation which simply wraps another value source,
and trims any of a set of possible expression prefixes before delegating the
modified expression to be resolved by the real value source.</div>
<dl><dt><span class="strong">Version:</span></dt>
<dd>$Id$</dd>
<dt><span class="strong">Author:</span></dt>
<dd>jdcasey</dd></dl>
</li>
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<div class="summary">
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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="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../org/codehaus/plexus/interpolation/PrefixedValueSourceWrapper.html#PrefixedValueSourceWrapper(org.codehaus.plexus.interpolation.ValueSource,%20java.util.List)">PrefixedValueSourceWrapper</a></strong>(<a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a> valueSource,
<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> possiblePrefixes)</code>
<div class="block">Wrap the given value source, but first trim one of the given prefixes from any
expressions before they are passed along for resolution.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../org/codehaus/plexus/interpolation/PrefixedValueSourceWrapper.html#PrefixedValueSourceWrapper(org.codehaus.plexus.interpolation.ValueSource,%20java.util.List,%20boolean)">PrefixedValueSourceWrapper</a></strong>(<a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a> valueSource,
<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> possiblePrefixes,
boolean allowUnprefixedExpressions)</code>
<div class="block">Wrap the given value source, but first trim one of the given prefixes from any
expressions before they are passed along for resolution.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../org/codehaus/plexus/interpolation/PrefixedValueSourceWrapper.html#PrefixedValueSourceWrapper(org.codehaus.plexus.interpolation.ValueSource,%20java.lang.String)">PrefixedValueSourceWrapper</a></strong>(<a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a> valueSource,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> prefix)</code>
<div class="block">Wrap the given value source, but first trim the given prefix from any
expressions before they are passed along for resolution.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../org/codehaus/plexus/interpolation/PrefixedValueSourceWrapper.html#PrefixedValueSourceWrapper(org.codehaus.plexus.interpolation.ValueSource,%20java.lang.String,%20boolean)">PrefixedValueSourceWrapper</a></strong>(<a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a> valueSource,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> prefix,
boolean allowUnprefixedExpressions)</code>
<div class="block">Wrap the given value source, but first trim the given prefix from any
expressions before they are passed along for resolution.</div>
</td>
</tr>
</table>
</li>
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<h3>Method Summary</h3>
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<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/codehaus/plexus/interpolation/PrefixedValueSourceWrapper.html#clearFeedback()">clearFeedback</a></strong>()</code>
<div class="block">If the nested <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> implements <a href="../../../../org/codehaus/plexus/interpolation/FeedbackEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>FeedbackEnabledValueSource</code></a>,
then clear that source's feedback list.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/codehaus/plexus/interpolation/PrefixedValueSourceWrapper.html#getFeedback()">getFeedback</a></strong>()</code>
<div class="block">If the nested <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> implements <a href="../../../../org/codehaus/plexus/interpolation/FeedbackEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>FeedbackEnabledValueSource</code></a>,
then return that source's feedback list.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/codehaus/plexus/interpolation/PrefixedValueSourceWrapper.html#getLastExpression()">getLastExpression</a></strong>()</code>
<div class="block">If the nested <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> implements <a href="../../../../org/codehaus/plexus/interpolation/QueryEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>QueryEnabledValueSource</code></a>,
then return that source's last expression.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><strong><a href="../../../../org/codehaus/plexus/interpolation/PrefixedValueSourceWrapper.html#getValue(java.lang.String)">getValue</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> expression)</code>
<div class="block">Uses <a href="../../../../org/codehaus/plexus/interpolation/util/ValueSourceUtils.html#trimPrefix(java.lang.String,%20java.util.Collection,%20boolean)"><code>ValueSourceUtils.trimPrefix(String, java.util.Collection, boolean)</code></a> to
get the trimmed expression.</div>
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<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>
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<h3>Constructor Detail</h3>
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<h4>PrefixedValueSourceWrapper</h4>
<pre>public PrefixedValueSourceWrapper(<a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a> valueSource,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> prefix)</pre>
<div class="block">Wrap the given value source, but first trim the given prefix from any
expressions before they are passed along for resolution. If an expression
doesn't start with the given prefix, do not resolve it.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>valueSource</code> - The <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> to wrap.</dd><dd><code>prefix</code> - The expression prefix to trim.</dd></dl>
</li>
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<h4>PrefixedValueSourceWrapper</h4>
<pre>public PrefixedValueSourceWrapper(<a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a> valueSource,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> prefix,
boolean allowUnprefixedExpressions)</pre>
<div class="block">Wrap the given value source, but first trim the given prefix from any
expressions before they are passed along for resolution. If an expression
doesn't start with the given prefix and the allowUnprefixedExpressions flag
is set to true, simply pass the expression through to the nested value source
unchanged. If this flag is false, only allow resolution of those expressions
that start with the specified prefix.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>valueSource</code> - The <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> to wrap.</dd><dd><code>prefix</code> - The expression prefix to trim.</dd><dd><code>allowUnprefixedExpressions</code> - Flag telling the wrapper whether to
continue resolving expressions that don't start with the prefix it tracks.</dd></dl>
</li>
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<h4>PrefixedValueSourceWrapper</h4>
<pre>public PrefixedValueSourceWrapper(<a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a> valueSource,
<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> possiblePrefixes)</pre>
<div class="block">Wrap the given value source, but first trim one of the given prefixes from any
expressions before they are passed along for resolution. If an expression
doesn't start with one of the given prefixes, do not resolve it.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>valueSource</code> - The <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> to wrap.</dd><dd><code>possiblePrefixes</code> - The List of expression prefixes to trim.</dd></dl>
</li>
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<h4>PrefixedValueSourceWrapper</h4>
<pre>public PrefixedValueSourceWrapper(<a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a> valueSource,
<a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> possiblePrefixes,
boolean allowUnprefixedExpressions)</pre>
<div class="block">Wrap the given value source, but first trim one of the given prefixes from any
expressions before they are passed along for resolution. If an expression
doesn't start with the given prefix and the allowUnprefixedExpressions flag
is set to true, simply pass the expression through to the nested value source
unchanged. If this flag is false, only allow resolution of those expressions
that start with the specified prefix.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>valueSource</code> - The <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> to wrap.</dd><dd><code>possiblePrefixes</code> - The List of expression prefixes to trim.</dd><dd><code>allowUnprefixedExpressions</code> - Flag telling the wrapper whether to
continue resolving expressions that don't start with one of the prefixes it tracks.</dd></dl>
</li>
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<a name="getValue(java.lang.String)">
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<h4>getValue</h4>
<pre>public <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> getValue(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> expression)</pre>
<div class="block">Uses <a href="../../../../org/codehaus/plexus/interpolation/util/ValueSourceUtils.html#trimPrefix(java.lang.String,%20java.util.Collection,%20boolean)"><code>ValueSourceUtils.trimPrefix(String, java.util.Collection, boolean)</code></a> to
get the trimmed expression. If this expression is null (because the original
expression was null, or because the expression is unprefixed and unprefixed
expressions are not allowed here), then return null; otherwise, return the
nested <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html#getValue(java.lang.String)"><code>ValueSource.getValue(String)</code></a> result.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html#getValue(java.lang.String)">getValue</a></code> in interface <code><a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the value related to the expression, or null if not found.</dd></dl>
</li>
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<a name="getFeedback()">
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<h4>getFeedback</h4>
<pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a> getFeedback()</pre>
<div class="block">If the nested <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> implements <a href="../../../../org/codehaus/plexus/interpolation/FeedbackEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>FeedbackEnabledValueSource</code></a>,
then return that source's feedback list. Otherwise, return <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collections.html?is-external=true#EMPTY_LIST" title="class or interface in java.util"><code>Collections.EMPTY_LIST</code></a>.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html#getFeedback()">getFeedback</a></code> in interface <code><a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>a combination of String and Throwable instances, where strings
related to throwables are listed first.</dd></dl>
</li>
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<a name="getLastExpression()">
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<h4>getLastExpression</h4>
<pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getLastExpression()</pre>
<div class="block">If the nested <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> implements <a href="../../../../org/codehaus/plexus/interpolation/QueryEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>QueryEnabledValueSource</code></a>,
then return that source's last expression. Otherwise, return the last expression
that was processed by the wrapper itself.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/codehaus/plexus/interpolation/QueryEnabledValueSource.html#getLastExpression()">getLastExpression</a></code> in interface <code><a href="../../../../org/codehaus/plexus/interpolation/QueryEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation">QueryEnabledValueSource</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the most recent expression processed by this value source, or null.</dd></dl>
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<a name="clearFeedback()">
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<h4>clearFeedback</h4>
<pre>public void clearFeedback()</pre>
<div class="block">If the nested <a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>ValueSource</code></a> implements <a href="../../../../org/codehaus/plexus/interpolation/FeedbackEnabledValueSource.html" title="interface in org.codehaus.plexus.interpolation"><code>FeedbackEnabledValueSource</code></a>,
then clear that source's feedback list.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html#clearFeedback()">clearFeedback</a></code> in interface <code><a href="../../../../org/codehaus/plexus/interpolation/ValueSource.html" title="interface in org.codehaus.plexus.interpolation">ValueSource</a></code></dd>
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