uTools-Manuals/docs/java/org/xml/sax/ext/package-summary.html

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<h1 class="title" title="Package">Package org.xml.sax.ext</h1>
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      该软件包包含与SAX2设备的接口，符合SAX驱动程序不一定支持。 
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<p>See: <a href="#package.description">描述</a></p>
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<span>接口摘要</span>
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<th class="colFirst" scope="col">接口</th>
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<td class="colFirst"><a href="../../../../org/xml/sax/ext/Attributes2.html" title="interface in org.xml.sax.ext">Attributes2</a></td>
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<span>SAX2扩展，以扩充<code>Attributes</code>所提供的每个<a href="../../../../org/xml/sax/Attributes.html" title="org.xml.sax中的接口">属性信息</a> 。</span>
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<td class="colFirst"><a href="../../../../org/xml/sax/ext/DeclHandler.html" title="interface in org.xml.sax.ext">DeclHandler</a></td>
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           用于DTD声明事件的SAX2扩展处理程序。 
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<td class="colFirst"><a href="../../../../org/xml/sax/ext/EntityResolver2.html" title="interface in org.xml.sax.ext">EntityResolver2</a></td>
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           用于将外部实体引用映射到输入源的扩展接口，或提供缺少的外部子集。 
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<td class="colFirst"><a href="../../../../org/xml/sax/ext/LexicalHandler.html" title="interface in org.xml.sax.ext">LexicalHandler</a></td>
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           用于词汇事件的SAX2扩展处理程序。 
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<td class="colFirst"><a href="../../../../org/xml/sax/ext/Locator2.html" title="interface in org.xml.sax.ext">Locator2</a></td>
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<span>SAX2扩展增加了通过<code>Locator</code>提供的实体<a href="../../../../org/xml/sax/Locator.html" title="org.xml.sax中的接口">信息</a> 。</span>
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<span>类摘要</span>
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<th class="colFirst" scope="col">类</th>
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<td class="colFirst"><a href="../../../../org/xml/sax/ext/Attributes2Impl.html" title="class in org.xml.sax.ext">Attributes2Impl</a></td>
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<span>SAX2扩展助手附加属性信息，实现<a href="../../../../org/xml/sax/ext/Attributes2.html" title="org.xml.sax.ext中的接口"><code>Attributes2</code></a>接口。</span>
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<td class="colFirst"><a href="../../../../org/xml/sax/ext/DefaultHandler2.html" title="class in org.xml.sax.ext">DefaultHandler2</a></td>
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<span>此类扩展SAX2基本处理程序类，以支持SAX2 <a href="../../../../org/xml/sax/ext/LexicalHandler.html" title="org.xml.sax.ext中的接口"><code>LexicalHandler</code></a> ， <a href="../../../../org/xml/sax/ext/DeclHandler.html" title="org.xml.sax.ext中的接口"><code>DeclHandler</code></a>和<a href="../../../../org/xml/sax/ext/EntityResolver2.html" title="org.xml.sax.ext中的接口"><code>EntityResolver2</code></a>扩展。</span>
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<td class="colFirst"><a href="../../../../org/xml/sax/ext/Locator2Impl.html" title="class in org.xml.sax.ext">Locator2Impl</a></td>
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<span>SAX2扩展助手用于保存附加实体信息，实现<a href="../../../../org/xml/sax/ext/Locator2.html" title="org.xml.sax.ext中的接口"><code>Locator2</code></a>接口。</span>
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<h2 title="Package org.xml.sax.ext Description">Package org.xml.sax.ext Description</h2>
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<p> <span>该软件包包含与SAX2设备的接口，符合SAX驱动程序不一定支持。</span> </p>
<p> <span>有关SAX的更多信息，请参阅<a href="http://www.saxproject.org" target="_top">http://www.saxproject.org</a> 。</span> </p>
<p> <span>该软件包独立于SAX2内核，尽管暴露的功能通常需要在解析器内核中实现。</span> <span>这种独立有几个后果：</span> </p>
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<li> <span>SAX2驱动程序<em>无需</em>识别这些处理程序。</span> </li>
<li> <span>您不能假定每个SAX2安装中都存在类文件。</span> </li>
<li> <span>该包可以独立于SAX2进行更新（即，可以添加新的处理程序和类，而不更新SAX2本身）。</span> </li>
<li> <span>新的处理程序不由SAX2 <code>org.xml.sax.helpers.DefaultHandler</code>或<code>org.xml.sax.helpers.XMLFilterImpl</code>类实现。</span> <span>如果您需要这样的行为，或者使用这里找到的助手类，您可以将这些子类化。</span> </li>
<li> <span>处理程序需要注册与核心SAX2处理程序不同。</span> </li>
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<p> <span>该封装SAX2-ext是SAX2的标准扩展。</span> <span>它旨在允许SAX解析器将某些类型的信息传递给应用程序，并作为其他SAX2解析器扩展包的简单模型。</span> <span>然而，并不是所有这样的扩展包都需要被解析器直接识别。</span> <span>例如，大多数验证系统可以在支持标准化SAX2接口的解析器之上进行干净分层。</span> </p>
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