datacontenthandler.html

j2ee api,很好的api。我这现在有

          Convert the object to a byte stream of the specified MIME type
 and write it to the output stream.</TD>
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<B>Method Detail</B></FONT></TD>
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<A NAME="getTransferDataFlavors()"><!-- --></A><H3>
getTransferDataFlavors</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/datatransfer/DataFlavor.html" title="class or interface in java.awt.datatransfer">DataFlavor</A>[] <B>getTransferDataFlavors</B>()</PRE>
<DL>
<DD>Returns an array of DataFlavor objects indicating the flavors the
 data can be provided in. The array should be ordered according to
 preference for providing the data (from most richly descriptive to
 least descriptive).
<P>
<DD><DL>

<DT><B>Returns:</B><DD>The DataFlavors.</DL>
</DD>
</DL>
<HR>

<A NAME="getTransferData(java.awt.datatransfer.DataFlavor, javax.activation.DataSource)"><!-- --></A><H3>
getTransferData</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getTransferData</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/datatransfer/DataFlavor.html" title="class or interface in java.awt.datatransfer">DataFlavor</A>&nbsp;df,
                              <A HREF="../../javax/activation/DataSource.html" title="interface in javax.activation">DataSource</A>&nbsp;ds)
                       throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/datatransfer/UnsupportedFlavorException.html" title="class or interface in java.awt.datatransfer">UnsupportedFlavorException</A>,
                              <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns an object which represents the data to be transferred.
 The class of the object returned is defined by the representation class
 of the flavor.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>df</CODE> - The DataFlavor representing the requested type.<DD><CODE>ds</CODE> - The DataSource representing the data to be converted.
<DT><B>Returns:</B><DD>The constructed Object.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/datatransfer/UnsupportedFlavorException.html" title="class or interface in java.awt.datatransfer">UnsupportedFlavorException</A></CODE>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
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<A NAME="getContent(javax.activation.DataSource)"><!-- --></A><H3>
getContent</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getContent</B>(<A HREF="../../javax/activation/DataSource.html" title="interface in javax.activation">DataSource</A>&nbsp;ds)
                  throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Return an object representing the data in its most preferred form.
 Generally this will be the form described by the first DataFlavor
 returned by the <code>getTransferDataFlavors</code> method.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ds</CODE> - The DataSource representing the data to be converted.
<DT><B>Returns:</B><DD>The constructed Object.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="writeTo(java.lang.Object, java.lang.String, java.io.OutputStream)"><!-- --></A><H3>
writeTo</H3>
<PRE>
public void <B>writeTo</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;obj,
                    <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;mimeType,
                    <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/OutputStream.html" title="class or interface in java.io">OutputStream</A>&nbsp;os)
             throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Convert the object to a byte stream of the specified MIME type
 and write it to the output stream.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - The object to be converted.<DD><CODE>mimeType</CODE> - The requested MIME type of the resulting byte stream.<DD><CODE>os</CODE> - The output stream into which to write the converted
			byte stream.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
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