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HTTPClient API: Class HttpURLConnection
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<H2>

HTTPClient
 
Class HttpURLConnection</H2>
<PRE>
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html">java.lang.Object</A>
 |
 +--<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">java.net.URLConnection</A>
 |
 +--<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">java.net.HttpURLConnection</A>
 |
 +--HTTPClient.HttpURLConnection
</PRE>
<HR>
<DL>
<DT>public class HttpURLConnection<DT>extends <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">HttpURLConnection</A></DL>

This class is a wrapper around HTTPConnection providing the interface
 defined by java.net.URLConnection and java.net.HttpURLConnection.

This class can be used to replace the HttpClient in the JDK with this
 HTTPClient by defining the property
 <code>java.protocol.handler.pkgs=HTTPClient</code>.

One difference between Sun's HttpClient and this one is that this
 one will provide you with a real output stream if possible. This leads
 to two changes: you should set the request property "Content-Length",
 if possible, before invoking getOutputStream(); and in many cases
 getOutputStream() implies connect(). This should be transparent, though,
 apart from the fact that you can't change any headers or other settings
 anymore once you've gotten the output stream.
 So, for large data do:
 <PRE>
 HttpURLConnection con = (HttpURLConnection) url.openConnection();

con.setDoOutput(true);
   con.setRequestProperty("Content-Length", ...);
   OutputStream out = con.getOutputStream();

out.write(...);
   out.close();

if (con.getResponseCode() != 200)
 ...
 </PRE>

The HTTPClient will send the request data using the chunked transfer
 encoding when no Content-Length is specified and the server is HTTP/1.1
 compatible. Because cgi-scripts can't usually handle this, you may
 experience problems trying to POST data. For this reason, whenever
 the Content-Type is application/x-www-form-urlencoded getOutputStream()
 will buffer the data before sending it so as prevent chunking. If you
 are sending requests with a different Content-Type and are experiencing
 problems then you may want to try setting the system property
 <var>HTTPClient.dontChunkRequests</var> to <var>true</var> (this needs
 to be done either on the command line or somewhere in the code before
 the first URLConnection.openConnection() is invoked).

A second potential incompatibility is that the HTTPClient aggresively
 resuses connections, and can do so more often that Sun's client. This
 can cause problems if you send multiple requests, and the first one has
 a long response. In this case (assuming the server allows the connection
 to be used for multiple requests) the responses to second, third, etc
 request won't be received until the first response has been completely
 read. With Sun's client on the other hand you may not experience this,
 as it may not be able to keep the connection open and there may create
 multiple connections for the requests. This allows the responses to the
 second, third, etc requests to be read before the first response has
 completed. Note: whether this will happen depends on
 details of the resource being requested and the server. In many cases
 the HTTPClient and Sun's client will exhibit the same behaviour. Also,
 applications which depend on being able to read the second response
 before the first one has completed must be considered broken, because
 A) this behaviour cannot be relied upon even in Sun's current client,
 and B) Sun's implementation will exhibit the same problem if they ever
 switch to HTTP/1.1.

<DL>
<DT>Since: <DD>V0.3</DD>
<DT>Version: <DD>0.3-3 06/05/2001</DD>
<DT>Author: <DD>Ronald Tschal?</DD>
</DL>
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<A NAME="field_summary"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
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Field Summary</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected &nbsp;<A HREF="../HTTPClient/HTTPConnection.html">HTTPConnection</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#con">con</A></CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the current connection</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected static&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/util/Hashtable.html">Hashtable</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#connections">connections</A></CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the cache of HTTPConnections</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected &nbsp;<A HREF="../HTTPClient/HTTPResponse.html">HTTPResponse</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#resp">resp</A></CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the response</TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_java.net.HttpURLConnection"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD>Fields inherited from class java.net.<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">HttpURLConnection</A></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_ACCEPTED">HTTP_ACCEPTED</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_BAD_GATEWAY">HTTP_BAD_GATEWAY</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_BAD_METHOD">HTTP_BAD_METHOD</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_BAD_REQUEST">HTTP_BAD_REQUEST</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_CLIENT_TIMEOUT">HTTP_CLIENT_TIMEOUT</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_CONFLICT">HTTP_CONFLICT</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_CREATED">HTTP_CREATED</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_ENTITY_TOO_LARGE">HTTP_ENTITY_TOO_LARGE</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_FORBIDDEN">HTTP_FORBIDDEN</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_GATEWAY_TIMEOUT">HTTP_GATEWAY_TIMEOUT</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_GONE">HTTP_GONE</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_INTERNAL_ERROR">HTTP_INTERNAL_ERROR</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_LENGTH_REQUIRED">HTTP_LENGTH_REQUIRED</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_MOVED_PERM">HTTP_MOVED_PERM</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_MOVED_TEMP">HTTP_MOVED_TEMP</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_MULT_CHOICE">HTTP_MULT_CHOICE</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_NO_CONTENT">HTTP_NO_CONTENT</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_NOT_ACCEPTABLE">HTTP_NOT_ACCEPTABLE</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_NOT_AUTHORITATIVE">HTTP_NOT_AUTHORITATIVE</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_NOT_FOUND">HTTP_NOT_FOUND</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_NOT_MODIFIED">HTTP_NOT_MODIFIED</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_OK">HTTP_OK</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_PARTIAL">HTTP_PARTIAL</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_PAYMENT_REQUIRED">HTTP_PAYMENT_REQUIRED</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_PRECON_FAILED">HTTP_PRECON_FAILED</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_PROXY_AUTH">HTTP_PROXY_AUTH</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_REQ_TOO_LONG">HTTP_REQ_TOO_LONG</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_RESET">HTTP_RESET</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_SEE_OTHER">HTTP_SEE_OTHER</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_SERVER_ERROR">HTTP_SERVER_ERROR</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_UNAUTHORIZED">HTTP_UNAUTHORIZED</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_UNAVAILABLE">HTTP_UNAVAILABLE</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_UNSUPPORTED_TYPE">HTTP_UNSUPPORTED_TYPE</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_USE_PROXY">HTTP_USE_PROXY</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#HTTP_VERSION">HTTP_VERSION</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#method">method</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#responseCode">responseCode</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#responseMessage">responseMessage</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_java.net.URLConnection"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD>Fields inherited from class java.net.<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#allowUserInteraction">allowUserInteraction</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#connected">connected</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#doInput">doInput</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#doOutput">doOutput</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#ifModifiedSince">ifModifiedSince</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#url">url</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#useCaches">useCaches</A></CODE></TD>
</TR>
</TABLE>
&nbsp;

<A NAME="constructor_summary"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=2>
Constructor Summary</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#HttpURLConnection(java.net.URL)">HttpURLConnection</A>(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URL.html">URL</A>&nbsp;url)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construct a connection to the specified url.</TD>
</TR>
</TABLE>
&nbsp;

<A NAME="method_summary"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=2>
Method Summary</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#connect()">connect</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Connects to the server (if connection not still kept alive) and
 issues the request.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#disconnect()">disconnect</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Closes all the connections to this server.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>protected &nbsp;<A HREF="../HTTPClient/HTTPConnection.html">HTTPConnection</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getConnection(java.net.URL)">getConnection</A>(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URL.html">URL</A>&nbsp;url)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an HTTPConnection.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>static&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getDefaultRequestProperty(java.lang.String)">getDefaultRequestProperty</A>(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the value for a given default request header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/InputStream.html">InputStream</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getErrorStream()">getErrorStream</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the error stream if the connection failed
 but the server sent useful data nonetheless.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getHeaderField(int)">getHeaderField</A>(int&nbsp;n)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets header value of the n-th header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getHeaderField(java.lang.String)">getHeaderField</A>(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the value part of a header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;long</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getHeaderFieldDate(java.lang.String, long)">getHeaderFieldDate</A>(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name,
 long&nbsp;def)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the value part of a header, interprets it as a date and converts
 it to a long representing the number of milliseconds since 1970.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;int</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getHeaderFieldInt(java.lang.String, int)">getHeaderFieldInt</A>(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name,
 int&nbsp;def)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the value part of a header and converts it to an int.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getHeaderFieldKey(int)">getHeaderFieldKey</A>(int&nbsp;n)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets header name of the n-th header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/InputStream.html">InputStream</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getInputStream()">getInputStream</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets an input stream from which the data in the response may be read.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;boolean</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getInstanceFollowRedirects()">getInstanceFollowRedirects</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/OutputStream.html">OutputStream</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getOutputStream()">getOutputStream</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets an output stream which can be used send an entity with the
 request.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getRequestMethod()">getRequestMethod</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the request method used.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getRequestProperty(java.lang.String)">getRequestProperty</A>(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the value of a given request header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;int</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getResponseCode()">getResponseCode</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the response code.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getResponseMessage()">getResponseMessage</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the response message describing the response code.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URL.html">URL</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#getURL()">getURL</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the url for this connection.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>static&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#setDefaultRequestProperty(java.lang.String, java.lang.String)">setDefaultRequestProperty</A>(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name,
 <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;value)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets an arbitrary default request header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#setIfModifiedSince(long)">setIfModifiedSince</A>(long&nbsp;time)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the <var>If-Modified-Since</var> header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#setInstanceFollowRedirects(boolean)">setInstanceFollowRedirects</A>(boolean&nbsp;set)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Enables or disables the automatic handling of redirection responses
 for this instance only.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#setRequestMethod(java.lang.String)">setRequestMethod</A>(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;method)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the request method (e.g.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;void</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#setRequestProperty(java.lang.String, java.lang.String)">setRequestProperty</A>(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name,
 <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;value)</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets an arbitrary request header.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A></CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#toString()">toString</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;produces a string.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
<CODE>&nbsp;boolean</CODE></TD>
<TD><CODE><A HREF="../HTTPClient/HttpURLConnection.html#usingProxy()">usingProxy</A>()</CODE>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Shows if request are being made through an http proxy or directly.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.net.HttpURLConnection"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD>Methods inherited from class java.net.<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">HttpURLConnection</A></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#getFollowRedirects()">getFollowRedirects</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#getPermission()">getPermission</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#setFollowRedirects(boolean)">setFollowRedirects</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.net.URLConnection"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD>Methods inherited from class java.net.<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getAllowUserInteraction()">getAllowUserInteraction</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getContent()">getContent</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getContentEncoding()">getContentEncoding</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getContentLength()">getContentLength</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getContentType()">getContentType</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getDate()">getDate</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getDefaultAllowUserInteraction()">getDefaultAllowUserInteraction</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getDefaultUseCaches()">getDefaultUseCaches</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getDoInput()">getDoInput</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getDoOutput()">getDoOutput</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getExpiration()">getExpiration</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getFileNameMap()">getFileNameMap</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getIfModifiedSince()">getIfModifiedSince</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getLastModified()">getLastModified</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getUseCaches()">getUseCaches</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#guessContentTypeFromName(java.lang.String)">guessContentTypeFromName</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#guessContentTypeFromStream(java.io.InputStream)">guessContentTypeFromStream</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#setAllowUserInteraction(boolean)">setAllowUserInteraction</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#setContentHandlerFactory(java.net.ContentHandlerFactory)">setContentHandlerFactory</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#setDefaultAllowUserInteraction(boolean)">setDefaultAllowUserInteraction</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#setDefaultUseCaches(boolean)">setDefaultUseCaches</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#setDoInput(boolean)">setDoInput</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#setDoOutput(boolean)">setDoOutput</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#setFileNameMap(java.net.FileNameMap)">setFileNameMap</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#setUseCaches(boolean)">setUseCaches</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD>Methods inherited from class java.lang.<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html">Object</A></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html#clone()">clone</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html#equals(java.lang.Object)">equals</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html#finalize()">finalize</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html#getClass()">getClass</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html#hashCode()">hashCode</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html#notify()">notify</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html#notifyAll()">notifyAll</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html#wait()">wait</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html#wait(long)">wait</A>, 
<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/Object.html#wait(long, int)">wait</A></CODE></TD>
</TR>
</TABLE>
&nbsp;

<A NAME="field_detail"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1>
Field Detail</TD>
</TR>
</TABLE>

<A NAME="connections"></A><H3>
connections</H3>
<PRE>
protected static <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/util/Hashtable.html">Hashtable</A> connections</PRE>
<DL>
<DD>the cache of HTTPConnections</DL>
<HR>

<A NAME="con"></A><H3>
con</H3>
<PRE>
protected <A HREF="../HTTPClient/HTTPConnection.html">HTTPConnection</A> con</PRE>
<DL>
<DD>the current connection</DL>
<HR>

<A NAME="resp"></A><H3>
resp</H3>
<PRE>
protected <A HREF="../HTTPClient/HTTPResponse.html">HTTPResponse</A> resp</PRE>
<DL>
<DD>the response</DL>

<A NAME="constructor_detail"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1>
Constructor Detail</TD>
</TR>
</TABLE>

<A NAME="HttpURLConnection(java.net.URL)"></A><H3>
HttpURLConnection</H3>
<PRE>
public HttpURLConnection(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URL.html">URL</A>&nbsp;url)
 throws <A HREF="../HTTPClient/ProtocolNotSuppException.html">ProtocolNotSuppException</A>,
 <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Construct a connection to the specified url. A cache of
 HTTPConnections is used to maximize the reuse of these across
 multiple HttpURLConnections.

The default method is "GET".<DD><DL>
<DT>Parameters:<DD><CODE>url</CODE> - the url of the request<DT>Throws:<DD><A HREF="../HTTPClient/ProtocolNotSuppException.html">ProtocolNotSuppException</A> - if the protocol is not supported</DL>
</DD>
</DL>

<A NAME="method_detail"></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1>
Method Detail</TD>
</TR>
</TABLE>

<A NAME="getConnection(java.net.URL)"></A><H3>
getConnection</H3>
<PRE>
protected <A HREF="../HTTPClient/HTTPConnection.html">HTTPConnection</A> getConnection(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URL.html">URL</A>&nbsp;url)
 throws <A HREF="../HTTPClient/ProtocolNotSuppException.html">ProtocolNotSuppException</A></PRE>
<DL>
<DD>Returns an HTTPConnection. A cache of connections is kept and first
 consulted; only when the cache lookup fails is a new one created
 and added to the cache.<DD><DL>
<DT>Parameters:<DD><CODE>url</CODE> - the url<DT>Returns:<DD>an HTTPConnection<DT>Throws:<DD><A HREF="../HTTPClient/ProtocolNotSuppException.html">ProtocolNotSuppException</A> - if the protocol is not supported</DL>
</DD>
</DL>
<HR>

<A NAME="setRequestMethod(java.lang.String)"></A><H3>
setRequestMethod</H3>
<PRE>
public void setRequestMethod(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;method)
 throws <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/ProtocolException.html">ProtocolException</A></PRE>
<DL>
<DD>Sets the request method (e.g. "PUT" or "HEAD"). Can only be set
 before connect() is called.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#setRequestMethod(java.lang.String)">setRequestMethod</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">HttpURLConnection</A></DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>method</CODE> - the http method.<DT>Throws:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/ProtocolException.html">ProtocolException</A> - if already connected.</DL>
</DD>
</DL>
<HR>

<A NAME="getRequestMethod()"></A><H3>
getRequestMethod</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A> getRequestMethod()</PRE>
<DL>
<DD>Return the request method used.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#getRequestMethod()">getRequestMethod</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">HttpURLConnection</A></DL>
</DD>
<DD><DL>
<DT>Returns:<DD>the http method.</DL>
</DD>
</DL>
<HR>

<A NAME="getResponseCode()"></A><H3>
getResponseCode</H3>
<PRE>
public int getResponseCode()
 throws <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Get the response code. Calls connect() if not connected.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#getResponseCode()">getResponseCode</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">HttpURLConnection</A></DL>
</DD>
<DD><DL>
<DT>Returns:<DD>the http response code returned.</DL>
</DD>
</DL>
<HR>

<A NAME="getResponseMessage()"></A><H3>
getResponseMessage</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A> getResponseMessage()
 throws <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Get the response message describing the response code. Calls connect()
 if not connected.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#getResponseMessage()">getResponseMessage</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">HttpURLConnection</A></DL>
</DD>
<DD><DL>
<DT>Returns:<DD>the http response message returned with the response code.</DL>
</DD>
</DL>
<HR>

<A NAME="getHeaderField(java.lang.String)"></A><H3>
getHeaderField</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A> getHeaderField(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name)</PRE>
<DL>
<DD>Get the value part of a header. Calls connect() if not connected.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getHeaderField(java.lang.String)">getHeaderField</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>name</CODE> - the of the header.<DT>Returns:<DD>the value of the header, or null if no such header was returned.</DL>
</DD>
</DL>
<HR>

<A NAME="getHeaderFieldInt(java.lang.String, int)"></A><H3>
getHeaderFieldInt</H3>
<PRE>
public int getHeaderFieldInt(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name,
 int&nbsp;def)</PRE>
<DL>
<DD>Get the value part of a header and converts it to an int. If the
 header does not exist or if its value could not be converted to an
 int then the default is returned. Calls connect() if not connected.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getHeaderFieldInt(java.lang.String, int)">getHeaderFieldInt</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>name</CODE> - the of the header.<DD><CODE>def</CODE> - the default value to return in case of an error.<DT>Returns:<DD>the value of the header, or null if no such header was returned.</DL>
</DD>
</DL>
<HR>

<A NAME="getHeaderFieldDate(java.lang.String, long)"></A><H3>
getHeaderFieldDate</H3>
<PRE>
public long getHeaderFieldDate(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name,
 long&nbsp;def)</PRE>
<DL>
<DD>Get the value part of a header, interprets it as a date and converts
 it to a long representing the number of milliseconds since 1970. If
 the header does not exist or if its value could not be converted to a
 date then the default is returned. Calls connect() if not connected.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getHeaderFieldDate(java.lang.String, long)">getHeaderFieldDate</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>name</CODE> - the of the header.<DD><CODE>def</CODE> - the default value to return in case of an error.<DT>Returns:<DD>the value of the header, or def in case of an error.</DL>
</DD>
</DL>
<HR>

<A NAME="getHeaderFieldKey(int)"></A><H3>
getHeaderFieldKey</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A> getHeaderFieldKey(int&nbsp;n)</PRE>
<DL>
<DD>Gets header name of the n-th header. Calls connect() if not connected.
 The name of the 0-th header is <var>null</var>, even though it the
 0-th header has a value.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getHeaderFieldKey(int)">getHeaderFieldKey</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>n</CODE> - which header to return.<DT>Returns:<DD>the header name, or null if not that many headers.</DL>
</DD>
</DL>
<HR>

<A NAME="getHeaderField(int)"></A><H3>
getHeaderField</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A> getHeaderField(int&nbsp;n)</PRE>
<DL>
<DD>Gets header value of the n-th header. Calls connect() if not connected.
 The value of 0-th header is the Status-Line (e.g. "HTTP/1.1 200 Ok").<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getHeaderField(int)">getHeaderField</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>n</CODE> - which header to return.<DT>Returns:<DD>the header value, or null if not that many headers.</DL>
</DD>
</DL>
<HR>

<A NAME="getInputStream()"></A><H3>
getInputStream</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/InputStream.html">InputStream</A> getInputStream()
 throws <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Gets an input stream from which the data in the response may be read.
 Calls connect() if not connected.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getInputStream()">getInputStream</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Returns:<DD>an InputStream<DT>Throws:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/ProtocolException.html">ProtocolException</A> - if input not enabled.<DT>See Also: <DD><CODE>URLConnection.setDoInput(boolean)</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getErrorStream()"></A><H3>
getErrorStream</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/InputStream.html">InputStream</A> getErrorStream()</PRE>
<DL>
<DD>Returns the error stream if the connection failed
 but the server sent useful data nonetheless.

This method will not cause a connection to be initiated.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#getErrorStream()">getErrorStream</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">HttpURLConnection</A></DL>
</DD>
<DD><DL>
<DT>Returns:<DD>an InputStream, or null if either the connection hasn't
 been established yet or no error occured<DT>Since: <DD>V0.3-1</DD>
<DT>See Also: <DD><CODE>HttpURLConnection.getErrorStream()</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getOutputStream()"></A><H3>
getOutputStream</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/OutputStream.html">OutputStream</A> getOutputStream()
 throws <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Gets an output stream which can be used send an entity with the
 request. Can be called multiple times, in which case always the
 same stream is returned.

The default request method changes to "POST" when this method is
 called. Cannot be called after connect().

If no Content-type has been set it defaults to
 <var>application/x-www-form-urlencoded</var>. Furthermore, if the
 Content-type is <var>application/x-www-form-urlencoded</var> then all
 output will be collected in a buffer before sending it to the server;
 otherwise an HttpOutputStream is used.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getOutputStream()">getOutputStream</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Returns:<DD>an OutputStream<DT>Throws:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/ProtocolException.html">ProtocolException</A> - if already connect()'ed, if output is not
 enabled or if the request method does not
 support output.<DT>See Also: <DD><CODE>URLConnection.setDoOutput(boolean)</CODE>, 
<A HREF="../HTTPClient/HttpOutputStream.html"><CODE>HttpOutputStream</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getURL()"></A><H3>
getURL</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URL.html">URL</A> getURL()</PRE>
<DL>
<DD>Gets the url for this connection. If we're connect()'d and the request
 was redirected then the url returned is that of the final request.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getURL()">getURL</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Returns:<DD>the final url, or null if any exception occured.</DL>
</DD>
</DL>
<HR>

<A NAME="setIfModifiedSince(long)"></A><H3>
setIfModifiedSince</H3>
<PRE>
public void setIfModifiedSince(long&nbsp;time)</PRE>
<DL>
<DD>Sets the <var>If-Modified-Since</var> header.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#setIfModifiedSince(long)">setIfModifiedSince</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>time</CODE> - the number of milliseconds since 1970.</DL>
</DD>
</DL>
<HR>

<A NAME="setRequestProperty(java.lang.String, java.lang.String)"></A><H3>
setRequestProperty</H3>
<PRE>
public void setRequestProperty(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name,
 <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;value)</PRE>
<DL>
<DD>Sets an arbitrary request header.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#setRequestProperty(java.lang.String, java.lang.String)">setRequestProperty</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>name</CODE> - the name of the header.<DD><CODE>value</CODE> - the value for the header.</DL>
</DD>
</DL>
<HR>

<A NAME="getRequestProperty(java.lang.String)"></A><H3>
getRequestProperty</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A> getRequestProperty(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name)</PRE>
<DL>
<DD>Gets the value of a given request header.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#getRequestProperty(java.lang.String)">getRequestProperty</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Parameters:<DD><CODE>name</CODE> - the name of the header.<DT>Returns:<DD>the value part of the header, or null if no such header.</DL>
</DD>
</DL>
<HR>

<A NAME="setDefaultRequestProperty(java.lang.String, java.lang.String)"></A><H3>
setDefaultRequestProperty</H3>
<PRE>
public static void setDefaultRequestProperty(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name,
 <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;value)</PRE>
<DL>
<DD>Sets an arbitrary default request header. All headers set here are
 automatically sent with each request.<DD><DL>
<DT>Parameters:<DD><CODE>name</CODE> - the name of the header.<DD><CODE>value</CODE> - the value for the header.</DL>
</DD>
</DL>
<HR>

<A NAME="getDefaultRequestProperty(java.lang.String)"></A><H3>
getDefaultRequestProperty</H3>
<PRE>
public static <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A> getDefaultRequestProperty(<A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A>&nbsp;name)</PRE>
<DL>
<DD>Gets the value for a given default request header.<DD><DL>
<DT>Parameters:<DD><CODE>name</CODE> - the name of the header.<DT>Returns:<DD>the value part of the header, or null if no such header.</DL>
</DD>
</DL>
<HR>

<A NAME="setInstanceFollowRedirects(boolean)"></A><H3>
setInstanceFollowRedirects</H3>
<PRE>
public void setInstanceFollowRedirects(boolean&nbsp;set)</PRE>
<DL>
<DD>Enables or disables the automatic handling of redirection responses
 for this instance only. Cannot be called after <code>connect()</code>.<DD><DL>
<DT>Parameters:<DD><CODE>set</CODE> - enables automatic redirection handling if true.</DL>
</DD>
</DL>
<HR>

<A NAME="getInstanceFollowRedirects()"></A><H3>
getInstanceFollowRedirects</H3>
<PRE>
public boolean getInstanceFollowRedirects()</PRE>
<DL>
<DD><DL>
<DT>Returns:<DD>true if automatic redirection handling for this instance is
 enabled.</DL>
</DD>
</DL>
<HR>

<A NAME="connect()"></A><H3>
connect</H3>
<PRE>
public void connect()
 throws <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/io/IOException.html">IOException</A></PRE>
<DL>
<DD>Connects to the server (if connection not still kept alive) and
 issues the request.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#connect()">connect</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
</DL>
<HR>

<A NAME="disconnect()"></A><H3>
disconnect</H3>
<PRE>
public void disconnect()</PRE>
<DL>
<DD>Closes all the connections to this server.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#disconnect()">disconnect</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">HttpURLConnection</A></DL>
</DD>
</DL>
<HR>

<A NAME="usingProxy()"></A><H3>
usingProxy</H3>
<PRE>
public boolean usingProxy()</PRE>
<DL>
<DD>Shows if request are being made through an http proxy or directly.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html#usingProxy()">usingProxy</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/HttpURLConnection.html">HttpURLConnection</A></DL>
</DD>
<DD><DL>
<DT>Returns:<DD>true if an http proxy is being used.</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/lang/String.html">String</A> toString()</PRE>
<DL>
<DD>produces a string.<DD><DL>
<DT>Overrides:<DD><A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html#toString()">toString</A> in class <A HREF="http://java.sun.com/products/jdk/1.2/docs/api/java/net/URLConnection.html">URLConnection</A></DL>
</DD>
<DD><DL>
<DT>Returns:<DD>a string containing the HttpURLConnection</DL>
</DD>
</DL>

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