externalizableutil.html

开源软件openfire的API文件。进行openfire的二次开发所必需的工具。

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<A NAME="readExternalizableCollection(java.io.DataInput, java.util.Collection, java.lang.ClassLoader)"><!-- --></A><H3>
readExternalizableCollection</H3>
<PRE>
public int <B>readExternalizableCollection</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/DataInput.html" title="class or interface in java.io">DataInput</A>&nbsp;in,
                                        <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&lt;? extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Externalizable.html" title="class or interface in java.io">Externalizable</A>&gt;&nbsp;value,
                                        <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/ClassLoader.html" title="class or interface in java.lang">ClassLoader</A>&nbsp;loader)
                                 throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Reads a collection of Externalizable objects and adds them to the collection passed as a parameter. The
 collection passed as a parameter must be a collection and not a <tt>null</null> value.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>in</CODE> - the input stream.<DD><CODE>value</CODE> - the collection of Externalizable objects. This value must not be null.<DD><CODE>loader</CODE> - class loader to use to build elements inside of the serialized collection.
<DT><B>Returns:</B><DD>the number of elements added to the collection.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs.</DL>
</DD>
</DL>
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<A NAME="writeExternalizableMap(java.io.DataOutput, java.util.Map)"><!-- --></A><H3>
writeExternalizableMap</H3>
<PRE>
public void <B>writeExternalizableMap</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/DataOutput.html" title="class or interface in java.io">DataOutput</A>&nbsp;out,
                                   <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>,? extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Externalizable.html" title="class or interface in java.io">Externalizable</A>&gt;&nbsp;map)
                            throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Writes a Map of String key and value pairs. This method handles the
 case when the Map is <tt>null</tt>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>out</CODE> - the output stream.<DD><CODE>map</CODE> - the Map of String key and Externalizable value pairs.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs.</DL>
</DD>
</DL>
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<A NAME="readExternalizableMap(java.io.DataInput, java.util.Map, java.lang.ClassLoader)"><!-- --></A><H3>
readExternalizableMap</H3>
<PRE>
public int <B>readExternalizableMap</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/DataInput.html" title="class or interface in java.io">DataInput</A>&nbsp;in,
                                 <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>,? extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Externalizable.html" title="class or interface in java.io">Externalizable</A>&gt;&nbsp;map,
                                 <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/ClassLoader.html" title="class or interface in java.lang">ClassLoader</A>&nbsp;loader)
                          throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Reads a Map of String key and value pairs. This method will return
 <tt>null</tt> if the Map written to the stream was <tt>null</tt>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>in</CODE> - the input stream.<DD><CODE>map</CODE> - a Map of String key and Externalizable value pairs.<DD><CODE>loader</CODE> - class loader to use to build elements inside of the serialized collection.
<DT><B>Returns:</B><DD>the number of elements added to the collection.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs.</DL>
</DD>
</DL>
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<A NAME="writeStringsMap(java.io.DataOutput, java.util.Map)"><!-- --></A><H3>
writeStringsMap</H3>
<PRE>
public void <B>writeStringsMap</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/DataOutput.html" title="class or interface in java.io">DataOutput</A>&nbsp;out,
                            <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>,<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&gt;&gt;&nbsp;map)
                     throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Writes a Map of String key and Set of Strings value pairs. This method DOES NOT handle the
 case when the Map is <tt>null</tt>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>out</CODE> - the output stream.<DD><CODE>map</CODE> - the Map of String key and Set of Strings value pairs.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs.</DL>
</DD>
</DL>
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<A NAME="readStringsMap(java.io.DataInput, java.util.Map)"><!-- --></A><H3>
readStringsMap</H3>
<PRE>
public int <B>readStringsMap</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/DataInput.html" title="class or interface in java.io">DataInput</A>&nbsp;in,
                          <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>,<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&gt;&gt;&nbsp;map)
                   throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Reads a Map of String key and Set of Strings value pairs.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>in</CODE> - the input stream.<DD><CODE>map</CODE> - a Map of String key and Set of Strings value pairs.
<DT><B>Returns:</B><DD>number of elements added to the collection.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs.</DL>
</DD>
</DL>
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<A NAME="writeStrings(java.io.DataOutput, java.util.Collection)"><!-- --></A><H3>
writeStrings</H3>
<PRE>
public void <B>writeStrings</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/DataOutput.html" title="class or interface in java.io">DataOutput</A>&nbsp;out,
                         <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&gt;&nbsp;collection)
                  throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Writes content of collection of strings to the output stream.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>out</CODE> - the output stream.<DD><CODE>collection</CODE> - the Collection of Strings.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs.</DL>
</DD>
</DL>
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<A NAME="readStrings(java.io.DataInput, java.util.Collection)"><!-- --></A><H3>
readStrings</H3>
<PRE>
public int <B>readStrings</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/DataInput.html" title="class or interface in java.io">DataInput</A>&nbsp;in,
                       <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&lt;<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&gt;&nbsp;collection)
                throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Reads the string array from the input stream and adds them to the specified collection.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>in</CODE> - the input stream.<DD><CODE>collection</CODE> - the collection to add the read strings from the input stream.
<DT><B>Returns:</B><DD>number of elements added to the collection.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs.</DL>
</DD>
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