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Java 2 Platform EE v1.3: Class InternetHeaders
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javax.mail.internet</FONT>
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Class InternetHeaders</H2>
<PRE>
java.lang.Object
|
+--<B>javax.mail.internet.InternetHeaders</B>
</PRE>
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<DL>
<DT>public class <B>InternetHeaders</B><DT>extends java.lang.Object</DL>
<P>
InternetHeaders is a utility class that manages RFC822 style
headers. Given a rfc822 format message stream, it reads lines
till the blank line that indicates end of header. The input stream
is positioned at the start of the body. The lines are stored
within the object and can be extracted as either Strings or
Header objects. <p>
This class is mostly intended for service providers. MimeMessage
and MimeBody use this class for holding their headers. <p>
<hr> <strong>A note on RFC822 and MIME headers</strong><p>
RFC822 and MIME header fields <strong>must</strong> contain only
US-ASCII characters. If a header contains non US-ASCII characters,
it must be encoded as per the rules in RFC 2047. The MimeUtility
class provided in this package can be used to to achieve this.
Callers of the <code>setHeader</code>, <code>addHeader</code>, and
<code>addHeaderLine</code> methods are responsible for enforcing
the MIME requirements for the specified headers. In addition, these
header fields must be folded (wrapped) before being sent if they
exceed the line length limitation for the transport (1000 bytes for
SMTP). Received headers may have been folded. The application is
responsible for folding and unfolding headers as appropriate. <p>
<P>
<DL>
<DT><B>See Also: </B><DD><A HREF="../../../javax/mail/internet/MimeUtility.html"><CODE>MimeUtility</CODE></A></DL>
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<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#InternetHeaders()">InternetHeaders</A></B>()</CODE>
<BR>
Create an empty InternetHeaders object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#InternetHeaders(java.io.InputStream)">InternetHeaders</A></B>(java.io.InputStream is)</CODE>
<BR>
Read and parse the given rfc822 message stream till the
blank line separating the header from the body.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#addHeader(java.lang.String, java.lang.String)">addHeader</A></B>(java.lang.String name,
java.lang.String value)</CODE>
<BR>
Add a header with the specified name and value to the header list.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#addHeaderLine(java.lang.String)">addHeaderLine</A></B>(java.lang.String line)</CODE>
<BR>
Add an RFC822 header line to the header store.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.util.Enumeration</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#getAllHeaderLines()">getAllHeaderLines</A></B>()</CODE>
<BR>
Return all the header lines as an Enumeration of Strings.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.util.Enumeration</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#getAllHeaders()">getAllHeaders</A></B>()</CODE>
<BR>
Return all the headers as an Enumeration of Header objects</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#getHeader(java.lang.String)">getHeader</A></B>(java.lang.String name)</CODE>
<BR>
Return all the values for the specified header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#getHeader(java.lang.String, java.lang.String)">getHeader</A></B>(java.lang.String name,
java.lang.String delimiter)</CODE>
<BR>
Get all the headers for this header name, returned as a single
String, with headers separated by the delimiter.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.util.Enumeration</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#getMatchingHeaderLines(java.lang.String[])">getMatchingHeaderLines</A></B>(java.lang.String[] names)</CODE>
<BR>
Return all matching header lines as an Enumeration of Strings.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.util.Enumeration</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#getMatchingHeaders(java.lang.String[])">getMatchingHeaders</A></B>(java.lang.String[] names)</CODE>
<BR>
Return all matching Header objects</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.util.Enumeration</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#getNonMatchingHeaderLines(java.lang.String[])">getNonMatchingHeaderLines</A></B>(java.lang.String[] names)</CODE>
<BR>
Return all non-matching header lines</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.util.Enumeration</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#getNonMatchingHeaders(java.lang.String[])">getNonMatchingHeaders</A></B>(java.lang.String[] names)</CODE>
<BR>
Return all non-matching Header objects</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#load(java.io.InputStream)">load</A></B>(java.io.InputStream is)</CODE>
<BR>
Read and parse the given rfc822 message stream till the
blank line separating the header from the body.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#removeHeader(java.lang.String)">removeHeader</A></B>(java.lang.String name)</CODE>
<BR>
Remove all header entries that match the given name</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/mail/internet/InternetHeaders.html#setHeader(java.lang.String, java.lang.String)">setHeader</A></B>(java.lang.String name,
java.lang.String value)</CODE>
<BR>
Change the first header line that matches name
to have value, adding a new header if no existing header
matches.</TD>
</TR>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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