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476 lines
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HTML
476 lines
22 KiB
HTML
<div class="header">
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<div class="subTitle">
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javax.activation
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</div>
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<h2 class="title" title="Class CommandMap">Class CommandMap</h2>
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</div><div class="contentContainer">
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<ul class="inheritance">
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<li><a href="../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
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<li>
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<ul class="inheritance">
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<li>javax.activation.CommandMap</li>
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</ul> </li>
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</ul>
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<div class="description">
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<ul class="blockList">
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<li class="blockList">
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<dl>
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<dt>
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已知直接子类：
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</dt>
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<dd>
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<span><a href="../../javax/activation/MailcapCommandMap.html" title="javax.activation中的类">MailcapCommandMap</a></span>
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</dd>
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</dl>
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<hr/> <br/> <pre>public abstract class <span class="typeNameLabel">CommandMap</span>
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extends <a href="../../java/lang/Object.html" title="class in java.lang">Object</a></pre>
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<div class="block">
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<span>CommandMap类为系统中可用的命令对象的注册表提供了一个接口。</span>
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<span>预计开发人员可以使用该包附带的CommandMap实现（MailcapCommandMap）或开发自己的。</span>
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<span>注意，这个类中的一些方法是抽象的。</span>
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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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</dl> </li>
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</ul>
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</div>
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<div class="summary">
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<ul class="blockList">
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<li class="blockList">
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<ul class="blockList">
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<li class="blockList"><a name="constructor.summary">
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<!-- --> </a> <h3>构造方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
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<caption>
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<span>构造方法</span>
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<span class="tabEnd"> </span>
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</caption>
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<tbody>
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<tr>
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<th class="colOne" scope="col">Constructor and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#CommandMap--">CommandMap</a></span>()</code> </td>
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</tr>
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</tbody>
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</table> </li>
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</ul>
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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="t1"><span><a href="javascript:show(1);">静态方法</a></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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<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</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>abstract <a href="../../javax/activation/DataContentHandler.html" title="interface in javax.activation">DataContentHandler</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#createDataContentHandler-java.lang.String-">createDataContentHandler</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType)</code>
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<div class="block">
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找到与MIME类型相对应的DataContentHandler。
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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="../../javax/activation/DataContentHandler.html" title="interface in javax.activation">DataContentHandler</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#createDataContentHandler-java.lang.String-javax.activation.DataSource-">createDataContentHandler</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType, <a href="../../javax/activation/DataSource.html" title="interface in javax.activation">DataSource</a> ds)</code>
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<div class="block">
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找到与MIME类型相对应的DataContentHandler。
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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>abstract <a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a>[]</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#getAllCommands-java.lang.String-">getAllCommands</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType)</code>
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<div class="block">
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获取此类型的所有可用命令。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i3">
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<td class="colFirst"><code><a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a>[]</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#getAllCommands-java.lang.String-javax.activation.DataSource-">getAllCommands</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType, <a href="../../javax/activation/DataSource.html" title="interface in javax.activation">DataSource</a> ds)</code>
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<div class="block">
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获取此类型的所有可用命令。
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</div> </td>
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</tr>
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<tr class="altColor" id="i4">
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<td class="colFirst"><code>abstract <a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#getCommand-java.lang.String-java.lang.String-">getCommand</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType, <a href="../../java/lang/String.html" title="class in java.lang">String</a> cmdName)</code>
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<div class="block">
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获取与MIME类型相对应的默认命令。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i5">
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<td class="colFirst"><code><a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#getCommand-java.lang.String-java.lang.String-javax.activation.DataSource-">getCommand</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType, <a href="../../java/lang/String.html" title="class in java.lang">String</a> cmdName, <a href="../../javax/activation/DataSource.html" title="interface in javax.activation">DataSource</a> ds)</code>
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<div class="block">
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获取与MIME类型相对应的默认命令。
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</div> </td>
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</tr>
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<tr class="altColor" id="i6">
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<td class="colFirst"><code>static <a href="../../javax/activation/CommandMap.html" title="class in javax.activation">CommandMap</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#getDefaultCommandMap--">getDefaultCommandMap</a></span>()</code>
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<div class="block">
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获取默认的CommandMap。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i7">
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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/activation/CommandMap.html#getMimeTypes--">getMimeTypes</a></span>()</code>
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<div class="block">
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获取此命令映射已知的所有MIME类型。
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</div> </td>
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</tr>
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<tr class="altColor" id="i8">
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<td class="colFirst"><code>abstract <a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a>[]</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#getPreferredCommands-java.lang.String-">getPreferredCommands</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType)</code>
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<div class="block">
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从MIME类型获取首选命令列表。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i9">
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<td class="colFirst"><code><a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a>[]</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#getPreferredCommands-java.lang.String-javax.activation.DataSource-">getPreferredCommands</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType, <a href="../../javax/activation/DataSource.html" title="interface in javax.activation">DataSource</a> ds)</code>
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<div class="block">
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从MIME类型获取首选命令列表。
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</div> </td>
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</tr>
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<tr class="altColor" id="i10">
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/activation/CommandMap.html#setDefaultCommandMap-javax.activation.CommandMap-">setDefaultCommandMap</a></span>(<a href="../../javax/activation/CommandMap.html" title="class in javax.activation">CommandMap</a> commandMap)</code>
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<div class="block">
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设置默认的CommandMap。
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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.java.lang.Object">
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<!-- --> </a> <h3>Methods inherited from class java.lang.<a href="../../java/lang/Object.html" title="class in java.lang">Object</a></h3> <code><a href="../../java/lang/Object.html#clone--">clone</a>, <a href="../../java/lang/Object.html#equals-java.lang.Object-">equals</a>, <a href="../../java/lang/Object.html#finalize--">finalize</a>, <a href="../../java/lang/Object.html#getClass--">getClass</a>, <a href="../../java/lang/Object.html#hashCode--">hashCode</a>, <a href="../../java/lang/Object.html#notify--">notify</a>, <a href="../../java/lang/Object.html#notifyAll--">notifyAll</a>, <a href="../../java/lang/Object.html#toString--">toString</a>, <a href="../../java/lang/Object.html#wait--">wait</a>, <a href="../../java/lang/Object.html#wait-long-">wait</a>, <a href="../../java/lang/Object.html#wait-long-int-">wait</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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<ul class="blockList">
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<li class="blockList">
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<ul class="blockList">
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<li class="blockList"><a name="constructor.detail">
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<!-- --> </a> <h3>构造方法详细信息</h3> <a name="CommandMap--">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>CommandMap</h4> <pre>public CommandMap()</pre> </li>
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</ul> </li>
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</ul>
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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="getDefaultCommandMap--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getDefaultCommandMap</h4> <pre>public static <a href="../../javax/activation/CommandMap.html" title="class in javax.activation">CommandMap</a> getDefaultCommandMap()</pre>
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<div class="block">
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<span>获取默认的CommandMap。</span>
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<p></p>
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<ul>
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<li> <span>在以前将CommandMap实例设置为某个值（通过<i>setDefaultCommandMap</i> ）返回CommandMap的情况下。</span> </li>
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<li> <span>在没有设置CommandMap的情况下，CommandMap创建一个MailcapCommandMap的实例， <code>MailcapCommandMap</code>其设置为默认值，返回其值。</span> </li>
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</ul>
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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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CommandMap
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</dd>
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</dl> </li>
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</ul> <a name="setDefaultCommandMap-javax.activation.CommandMap-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>setDefaultCommandMap</h4> <pre>public static void setDefaultCommandMap(<a href="../../javax/activation/CommandMap.html" title="class in javax.activation">CommandMap</a> commandMap)</pre>
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<div class="block">
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<span>设置默认的CommandMap。</span>
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<span>通过使用<code>null</code>调用此方法将<code>null</code>重置为默认值。</span>
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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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<code>commandMap</code> - 新的默认CommandMap。
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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/SecurityException.html" title="class in java.lang">SecurityException</a></code> - 如果主叫方没有更改默认的权限
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</dd>
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</dl> </li>
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</ul> <a name="getPreferredCommands-java.lang.String-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getPreferredCommands</h4> <pre>public abstract <a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a>[] getPreferredCommands(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType)</pre>
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<div class="block">
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<span>从MIME类型获取首选命令列表。</span>
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<span>实际语义由CommandMap的实现决定。</span>
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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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<code>mimeType</code> - MIME类型
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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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表示命令Beans的CommandInfo类。
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</dd>
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</dl> </li>
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</ul> <a name="getPreferredCommands-java.lang.String-javax.activation.DataSource-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getPreferredCommands</h4> <pre>public <a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a>[] getPreferredCommands(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType,
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<a href="../../javax/activation/DataSource.html" title="interface in javax.activation">DataSource</a> ds)</pre>
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<div class="block">
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<span>从MIME类型获取首选命令列表。</span>
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<span>实际语义由CommandMap的实现决定。</span>
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<p> <span><code>DataSource</code>提供了CommandMap实现可能用于进一步优化返回的命令列表的额外信息，例如文件名。</span> <span>该类中的实现只是调用忽略此参数的<code>getPreferredCommands</code>方法。</span> </p>
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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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<code>mimeType</code> - MIME类型
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</dd>
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<dd>
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<code>ds</code> - 数据的DataSource
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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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表示命令Beans的CommandInfo类。
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</dd>
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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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JAF 1.1
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</dd>
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</dl> </li>
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</ul> <a name="getAllCommands-java.lang.String-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getAllCommands</h4> <pre>public abstract <a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a>[] getAllCommands(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType)</pre>
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<div class="block">
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<span>获取此类型的所有可用命令。</span>
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<span>此方法应返回此MIME类型的所有可能的命令。</span>
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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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<code>mimeType</code> - MIME类型
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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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表示所有命令的CommandInfo对象。
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</dd>
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</dl> </li>
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</ul> <a name="getAllCommands-java.lang.String-javax.activation.DataSource-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getAllCommands</h4> <pre>public <a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a>[] getAllCommands(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType,
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<a href="../../javax/activation/DataSource.html" title="interface in javax.activation">DataSource</a> ds)</pre>
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<div class="block">
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<span>获取此类型的所有可用命令。</span>
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<span>此方法应返回此MIME类型的所有可能的命令。</span>
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<p> <span><code>DataSource</code>提供了额外的信息，例如文件名，CommandMap实现可能用于进一步细化返回的命令列表。</span> <span>这个类中的实现只是调用忽略这个参数的<code>getAllCommands</code>方法。</span> </p>
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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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<code>mimeType</code> - MIME类型
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</dd>
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<dd>
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<code>ds</code> - 数据的DataSource
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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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表示所有命令的CommandInfo对象。
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</dd>
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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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JAF 1.1
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</dd>
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</dl> </li>
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</ul> <a name="getCommand-java.lang.String-java.lang.String-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getCommand</h4> <pre>public abstract <a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a> getCommand(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType,
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<a href="../../java/lang/String.html" title="class in java.lang">String</a> cmdName)</pre>
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<div class="block">
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获取与MIME类型相对应的默认命令。
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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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<code>mimeType</code> - MIME类型
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</dd>
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<dd>
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<code>cmdName</code> - 命令名
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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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CommandInfo对应于该命令。
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</dd>
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</dl> </li>
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</ul> <a name="getCommand-java.lang.String-java.lang.String-javax.activation.DataSource-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getCommand</h4> <pre>public <a href="../../javax/activation/CommandInfo.html" title="class in javax.activation">CommandInfo</a> getCommand(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType,
|
||
<a href="../../java/lang/String.html" title="class in java.lang">String</a> cmdName,
|
||
<a href="../../javax/activation/DataSource.html" title="interface in javax.activation">DataSource</a> ds)</pre>
|
||
<div class="block">
|
||
<span>获取与MIME类型相对应的默认命令。</span>
|
||
<p> <span><code>DataSource</code>提供了额外的信息，例如文件名，CommandMap实现可能用于进一步细化所选择的命令。</span> <span>该类中的实现只是调用忽略此参数的<code>getCommand</code>方法。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>mimeType</code> - MIME类型
|
||
</dd>
|
||
<dd>
|
||
<code>cmdName</code> - 命令名
|
||
</dd>
|
||
<dd>
|
||
<code>ds</code> - 数据的DataSource
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
CommandInfo对应于该命令。
|
||
</dd>
|
||
<dt>
|
||
<span class="simpleTagLabel">从以下版本开始：</span>
|
||
</dt>
|
||
<dd>
|
||
JAF 1.1
|
||
</dd>
|
||
</dl> </li>
|
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</ul> <a name="createDataContentHandler-java.lang.String-">
|
||
<!-- --> </a>
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<ul class="blockList">
|
||
<li class="blockList"> <h4>createDataContentHandler</h4> <pre>public abstract <a href="../../javax/activation/DataContentHandler.html" title="interface in javax.activation">DataContentHandler</a> createDataContentHandler(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType)</pre>
|
||
<div class="block">
|
||
<span>找到与MIME类型相对应的DataContentHandler。</span>
|
||
<span>用于确定此的机制和语义由特定CommandMap的实现决定。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>mimeType</code> - MIME类型
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
DataContentHandler为MIME类型
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="createDataContentHandler-java.lang.String-javax.activation.DataSource-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>createDataContentHandler</h4> <pre>public <a href="../../javax/activation/DataContentHandler.html" title="interface in javax.activation">DataContentHandler</a> createDataContentHandler(<a href="../../java/lang/String.html" title="class in java.lang">String</a> mimeType,
|
||
<a href="../../javax/activation/DataSource.html" title="interface in javax.activation">DataSource</a> ds)</pre>
|
||
<div class="block">
|
||
<span>找到与MIME类型相对应的DataContentHandler。</span>
|
||
<span>用于确定此的机制和语义由特定CommandMap的实现决定。</span>
|
||
<p> <span><code>DataSource</code>提供了额外的信息，例如文件名，CommandMap实现可能用于进一步优化DataContentHandler的选择。</span> <span>这个类中的实现只是调用忽略这个参数的<code>createDataContentHandler</code>方法。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>mimeType</code> - MIME类型
|
||
</dd>
|
||
<dd>
|
||
<code>ds</code> - 数据的DataSource
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
DataContentHandler为MIME类型
|
||
</dd>
|
||
<dt>
|
||
<span class="simpleTagLabel">从以下版本开始：</span>
|
||
</dt>
|
||
<dd>
|
||
JAF 1.1
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getMimeTypes--">
|
||
<!-- --> </a>
|
||
<ul class="blockListLast">
|
||
<li class="blockList"> <h4>getMimeTypes</h4> <pre>public <a href="../../java/lang/String.html" title="class in java.lang">String</a>[] getMimeTypes()</pre>
|
||
<div class="block">
|
||
<span>获取此命令映射已知的所有MIME类型。</span>
|
||
<span>如果命令映射不支持此操作，则返回null。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
MIME类型数组作为字符串，如果不支持，则为null
|
||
</dd>
|
||
<dt>
|
||
<span class="simpleTagLabel">从以下版本开始：</span>
|
||
</dt>
|
||
<dd>
|
||
JAF 1.1
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> </li>
|
||
</ul> </li>
|
||
</ul>
|
||
</div>
|
||
</div> |