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204 lines
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compact3
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javax.xml.crypto.dsig.keyinfo
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<h2 class="title" title="Interface RetrievalMethod">Interface RetrievalMethod</h2>
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</div><div class="contentContainer">
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<div class="description">
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<dl>
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<dt>
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All Superinterfaces:
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<dd>
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<span><a href="../../../../../javax/xml/crypto/URIReference.html" title="javax.xml.crypto中的接口">URIReference</a> ， <a href="../../../../../javax/xml/crypto/XMLStructure.html" title="javax.xml.crypto中的接口">XMLStructure</a></span>
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</dd>
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</dl>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">RetrievalMethod</span>
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extends <a href="../../../../../javax/xml/crypto/URIReference.html" title="interface in javax.xml.crypto">URIReference</a>, <a href="../../../../../javax/xml/crypto/XMLStructure.html" title="interface in javax.xml.crypto">XMLStructure</a></pre>
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<div class="block">
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<span>W3C Recommendation for XML-Signature Syntax and Processing中定义的XML <code>RetrievalMethod</code>元素的<a href="http://www.w3.org/TR/xmldsig-core/">表示</a> 。</span>
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<span><code>RetrievalMethod</code>对象用于传递存储在另一位置的<code>KeyInfo</code>引用。</span>
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<span>XML模式定义定义为：</span>
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<pre> <span><element name="RetrievalMethod" type="ds:RetrievalMethodType"/>
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<complexType name="RetrievalMethodType">
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<sequence>
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<element name="Transforms" type="ds:TransformsType" minOccurs="0"/>
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</sequence>
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<attribute name="URI" type="anyURI"/>
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<attribute name="Type" type="anyURI" use="optional"/>
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</complexType></span> </pre>
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<span>可以通过调用<a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html" title="javax.xml.crypto.dsig.keyinfo中的类"><code>KeyInfoFactory</code></a>类的<a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newRetrievalMethod-java.lang.String-"><code>newRetrievalMethod</code></a>方法之一来创建一个<code>RetrievalMethod</code>实例，并将其标识KeyInfo的位置的URI，一个标识KeyInfo类型的可选类型的URI以及一个可选的<a href="../../../../../javax/xml/crypto/dsig/Transform.html" title="javax.xml.crypto.dsig中的接口"><code>Transform</code></a>的列表;</span>
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<span>例如：</span>
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<pre> <span>KeyInfoFactory factory = KeyInfoFactory.getInstance("DOM");
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RetrievalMethod rm = factory.newRetrievalMethod
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("#KeyValue-1", KeyValue.DSA_TYPE, Collections.singletonList(Transform.BASE64));</span> </pre>
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</div>
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<dl>
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<dt>
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<span class="simpleTagLabel">从以下版本开始：</span>
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</dt>
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<dd>
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1.6
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newRetrievalMethod-java.lang.String-"><code>KeyInfoFactory.newRetrievalMethod(String)</code></a> ，
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<a href="../../../../../javax/xml/crypto/dsig/keyinfo/KeyInfoFactory.html#newRetrievalMethod-java.lang.String-java.lang.String-java.util.List-"><code>KeyInfoFactory.newRetrievalMethod(String, String, List)</code></a>
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</dd>
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</dl> </li>
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</ul>
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</div>
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<div class="summary">
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<!-- ========== METHOD SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.summary">
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<!-- --> </a> <h3>方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
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<caption>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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</caption>
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<tbody>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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</tr>
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<tr class="altColor" id="i0">
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<td class="colFirst"><code><a href="../../../../../javax/xml/crypto/Data.html" title="interface in javax.xml.crypto">Data</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/RetrievalMethod.html#dereference-javax.xml.crypto.XMLCryptoContext-">dereference</a></span>(<a href="../../../../../javax/xml/crypto/XMLCryptoContext.html" title="interface in javax.xml.crypto">XMLCryptoContext</a> context)</code>
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<div class="block">
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取消引用
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<code>KeyInfo</code> this引用信息
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<code>RetrievalMethod</code>和应用指定的
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<code>Transform</code>秒。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i1">
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<td class="colFirst"><code><a href="../../../../../java/util/List.html" title="interface in java.util">List</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/RetrievalMethod.html#getTransforms--">getTransforms</a></span>()</code>
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<div class="block">
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<span>返回这<a href="../../../../../java/util/Collections.html#unmodifiableList-java.util.List-">RetrievalMethod</a>的<a href="../../../../../javax/xml/crypto/dsig/Transform.html" title="javax.xml.crypto.dsig中的接口"><code>Transform</code></a>的<code>RetrievalMethod</code> 。</span>
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</div> </td>
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</tr>
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<tr class="altColor" id="i2">
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<td class="colFirst"><code><a href="../../../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../javax/xml/crypto/dsig/keyinfo/RetrievalMethod.html#getURI--">getURI</a></span>()</code>
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<div class="block">
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返回引用的
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<code>KeyInfo</code>信息的URI。
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</div> </td>
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</tr>
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</tbody>
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</table>
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<ul class="blockList">
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<li class="blockList"><a name="methods.inherited.from.class.javax.xml.crypto.URIReference">
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<!-- --> </a> <h3>Methods inherited from interface javax.xml.crypto.<a href="../../../../../javax/xml/crypto/URIReference.html" title="interface in javax.xml.crypto">URIReference</a></h3> <code><a href="../../../../../javax/xml/crypto/URIReference.html#getType--">getType</a></code></li>
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<ul class="blockList">
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<li class="blockList"><a name="methods.inherited.from.class.javax.xml.crypto.XMLStructure">
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<!-- --> </a> <h3>Methods inherited from interface javax.xml.crypto.<a href="../../../../../javax/xml/crypto/XMLStructure.html" title="interface in javax.xml.crypto">XMLStructure</a></h3> <code><a href="../../../../../javax/xml/crypto/XMLStructure.html#isFeatureSupported-java.lang.String-">isFeatureSupported</a></code></li>
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</ul> </li>
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</ul> </li>
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</ul>
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</div>
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<div class="details">
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<!-- ============ METHOD DETAIL ========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.detail">
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<!-- --> </a> <h3>方法详细信息</h3> <a name="getTransforms--">
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<ul class="blockList">
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<li class="blockList"> <h4>getTransforms</h4> <pre><a href="../../../../../java/util/List.html" title="interface in java.util">List</a> getTransforms()</pre>
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<div class="block">
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<span>返回这<a href="../../../../../java/util/Collections.html#unmodifiableList-java.util.List-">RetrievalMethod</a>的<a href="../../../../../javax/xml/crypto/dsig/Transform.html" title="javax.xml.crypto.dsig中的接口"><code>Transform</code></a>的<code>RetrievalMethod</code> 。</span>
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</div>
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<dl>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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一个不可修改的
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<code>Transform</code>对象列表（可能为空，但不能为
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<code>null</code> ）。
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</dd>
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</dl> </li>
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</ul> <a name="getURI--">
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<ul class="blockList">
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<li class="blockList"> <h4>getURI</h4> <pre><a href="../../../../../java/lang/String.html" title="class in java.lang">String</a> getURI()</pre>
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<div class="block">
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返回引用的
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<code>KeyInfo</code>信息的URI。
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</div>
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<dl>
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<dt>
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<span class="overrideSpecifyLabel">Specified by:</span>
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</dt>
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<dd>
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<code><a href="../../../../../javax/xml/crypto/URIReference.html#getURI--">getURI</a></code>在界面
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<code><a href="../../../../../javax/xml/crypto/URIReference.html" title="interface in javax.xml.crypto">URIReference</a></code>
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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RFC 2396格式的引用的
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<code>KeyInfo</code>信息的URI（从不
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<code>null</code> ）
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</dd>
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</dl> </li>
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</ul> <a name="dereference-javax.xml.crypto.XMLCryptoContext-">
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<ul class="blockListLast">
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<li class="blockList"> <h4>dereference</h4> <pre><a href="../../../../../javax/xml/crypto/Data.html" title="interface in javax.xml.crypto">Data</a> dereference(<a href="../../../../../javax/xml/crypto/XMLCryptoContext.html" title="interface in javax.xml.crypto">XMLCryptoContext</a> context)
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throws <a href="../../../../../javax/xml/crypto/URIReferenceException.html" title="class in javax.xml.crypto">URIReferenceException</a></pre>
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<div class="block">
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取消引用
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<code>KeyInfo</code> this引用信息
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<code>RetrievalMethod</code>和应用指定的
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<code>Transform</code>秒。
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<span><code>context</code> - 一个<code>XMLCryptoContext</code> ，可能包含用于取消引用URI的其他有用信息。</span>
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<span>上下文的<code>baseURI</code>和<code>dereferencer</code>参数（如果指定）用于解析和取消引用此<code>RetrievalMethod</code></span>
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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<span>一个<code>Data</code>对象表示的原始内容<code>KeyInfo</code>由该参考信息<code>RetrievalMethod</code> 。</span>
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<span>调用者有责任将返回的数据转换为适当的<code>KeyInfo</code>对象。</span>
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</dd>
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<dt>
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<span class="throwsLabel">异常</span>
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</dt>
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<dd>
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<code><a href="../../../../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
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<code>context</code>是
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<code>null</code>
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</dd>
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<dd>
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<code><a href="../../../../../javax/xml/crypto/URIReferenceException.html" title="class in javax.xml.crypto">URIReferenceException</a></code> - 如果在取消引用时出现错误
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</dd>
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</dl> </li>
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