attachmentpart.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_02) on Thu Nov 13 17:20:46 PST 2003 --><TITLE>AttachmentPart (Java 2 Platform Ent. Ed. v1.4)</TITLE><META NAME="keywords" CONTENT="javax.xml.soap.AttachmentPart class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="AttachmentPart (Java 2 Platform Ent. 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Ed. v1.4</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <A HREF="../../../javax/xml/soap/MessageFactory.html" title="class in javax.xml.soap"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="AttachmentPart.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.xml.soap</FONT><BR>Class AttachmentPart</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>javax.xml.soap.AttachmentPart</B></PRE><HR><DL><DT>public abstract class <B>AttachmentPart</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL><P>A single attachment to a <code>SOAPMessage</code> object. A <code>SOAPMessage</code> object may contain zero, one, or many <code>AttachmentPart</code> objects. Each <code>AttachmentPart</code> object consists of two parts, application-specific content and associated MIME headers. The MIME headers consists of name/value pairs that can be used to identify and describe the content. <p> An <code>AttachmentPart</code> object must conform to certain standards. <OL> <LI>It must conform to <a href="http://www.ietf.org/rfc/rfc2045.txt"> MIME [RFC2045] standards</a> <LI>It MUST contain content <LI>The header portion MUST include the following header: <UL> <LI><code>Content-Type</code><br> This header identifies the type of data in the content of an <code>AttachmentPart</code> object and MUST conform to [RFC2045]. The following is an example of a Content-Type header: <PRE> Content-Type: application/xml </PRE> The following line of code, in which <code>ap</code> is an <code>AttachmentPart</code> object, sets the header shown in the previous example. <PRE> ap.setMimeHeader("Content-Type", "application/xml"); </PRE> <p> </UL> </OL> <p> There are no restrictions on the content portion of an <code> AttachmentPart</code> object. The content may be anything from a simple plain text object to a complex XML document or image file. <p> An <code>AttachmentPart</code> object is created with the method <code>SOAPMessage.createAttachmentPart</code>. After setting its MIME headers, the <code>AttachmentPart</code> object is added to the message that created it with the method <code>SOAPMessage.addAttachmentPart</code>. <p> The following code fragment, in which <code>m</code> is a <code>SOAPMessage</code> object and <code>contentStringl</code> is a <code>String</code>, creates an instance of <code>AttachmentPart</code>, sets the <code>AttachmentPart</code> object with some content and header information, and adds the <code>AttachmentPart</code> object to the <code>SOAPMessage</code> object. <PRE> AttachmentPart ap1 = m.createAttachmentPart(); ap1.setContent(contentString1, "text/plain"); m.addAttachmentPart(ap1); </PRE> <p> The following code fragment creates and adds a second <code>AttachmentPart</code> instance to the same message. <code>jpegData</code> is a binary byte buffer representing the jpeg file. <PRE> AttachmentPart ap2 = m.createAttachmentPart(); byte[] jpegData = ...; ap2.setContent(new ByteArrayInputStream(jpegData), "image/jpeg"); m.addAttachmentPart(ap2); </PRE> <p> The <code>getContent</code> method retrieves the contents and header from an <code>AttachmentPart</code> object. Depending on the <code>DataContentHandler</code> objects present, the returned <code>Object</code> can either be a typed Java object corresponding to the MIME type or an <code>InputStream</code> object that contains the content as bytes. <PRE> String content1 = ap1.getContent(); java.io.InputStream content2 = ap2.getContent(); </PRE> The method <code>clearContent</code> removes all the content from an <code>AttachmentPart</code> object but does not affect its header information. <PRE> ap1.clearContent(); </PRE><P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/xml/soap/AttachmentPart.html#AttachmentPart()">AttachmentPart</A></B>()</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/soap/AttachmentPart.html#addMimeHeader(java.lang.String, java.lang.String)">addMimeHeader</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> name, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> value)</CODE><BR> Adds a MIME header with the specified name and value to this <code>AttachmentPart</code> object. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/soap/AttachmentPart.html#clearContent()">clearContent</A></B>()</CODE><BR> Clears out the content of this <code>AttachmentPart</code> object. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/soap/AttachmentPart.html#getAllMimeHeaders()">getAllMimeHeaders</A></B>()</CODE><BR> Retrieves all the headers for this <code>AttachmentPart</code> object as an iterator over the <code>MimeHeader</code> objects.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/soap/AttachmentPart.html#getContent()">getContent</A></B>()</CODE><BR> Gets the content of this <code>AttachmentPart</code> object as a Java object. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/soap/AttachmentPart.html#getContentId()">getContentId</A></B>()</CODE><BR> Gets the value of the MIME header whose name is "Content-Id".</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/soap/AttachmentPart.html#getContentLocation()">getContentLocation</A></B>()</CODE><BR> Gets the value of the MIME header whose name is "Content-Location".</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/soap/AttachmentPart.html#getContentType()">getContentType</A></B>()</CODE><BR> Gets the value of the MIME header whose name is "Content-Type".</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../../javax/activation/DataHandler.html" title="class in javax.activation">DataHandler</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/soap/AttachmentPart.html#getDataHandler()">getDataHandler</A></B>()</CODE><BR> Gets the <code>DataHandler</code> object for this <code>AttachmentPart</code> object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/xml/soap/AttachmentPart.html#getMatchingMimeHeaders(java.lang.String[])">getMatchingMimeHeaders</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[] names)</CODE><BR> Retrieves all <code>MimeHeader</code> objects that match a name in the given array.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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