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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Sat May 20 18:57:42 PDT 2000 --><TITLE>: Interface  CachingControl</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3">  <TR ALIGN="center" VALIGN="top">  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../overview-summary.html"><FONT ID="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT ID="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT ID="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../deprecated-list.html"><FONT ID="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../index-all.html"><FONT ID="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../help-doc.html"><FONT ID="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>  </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">&nbsp;PREV CLASS&nbsp;&nbsp;<A HREF="../../javax/media/Clock.html"><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>  &nbsp;&nbsp;<A HREF="CachingControl.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">  SUMMARY: &nbsp;INNER&nbsp;|&nbsp;<A HREF="#field_summary">FIELD</A>&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: &nbsp;<A HREF="#field_detail">FIELD</A>&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.media</FONT><BR>Interface  CachingControl</H2><DL><DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../javax/media/ExtendedCachingControl.html">ExtendedCachingControl</A></DD></DL><HR><DL><DT>public interface <B>CachingControl</B><DT>extends <A HREF="../../javax/media/Control.html">Control</A></DL><P><code>CachingControl</code> is an interface supported by <code>Players</code> that are capable of reporting download progress. Typically, this control is accessed through the <code>Controller.getControls</code> method.  A <code>Controller</code> that supports this control will post <code>CachingControlEvent</code>s often enough to support the implementation of custom progress GUIs.<P><DL><DT><B>See Also: </B><DD><A HREF="../../javax/media/Controller.html"><CODE>Controller</CODE></A>, <A HREF="../../javax/media/ControllerListener.html"><CODE>ControllerListener</CODE></A>, <A HREF="../../javax/media/CachingControlEvent.html"><CODE>CachingControlEvent</CODE></A>, <A HREF="../../javax/media/Player.html"><CODE>Player</CODE></A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static&nbsp;long</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/media/CachingControl.html#LENGTH_UNKNOWN">LENGTH_UNKNOWN</A></B></CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Use to indicate that the <CODE>CachingControl</CODE> doesn't know how long the content is.</TD></TR></TABLE>&nbsp;<!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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>&nbsp;long</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/media/CachingControl.html#getContentLength()">getContentLength</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the total number of bytes in the media being downloaded.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;long</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/media/CachingControl.html#getContentProgress()">getContentProgress</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the total number of bytes of media data that have been downloaded so far.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;java.awt.Component</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/media/CachingControl.html#getControlComponent()">getControlComponent</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get a <CODE>Component</CODE> that provides additional download control.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;java.awt.Component</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/media/CachingControl.html#getProgressBarComponent()">getProgressBarComponent</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get a <CODE>Component</CODE> for displaying the download progress.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/media/CachingControl.html#isDownloading()">isDownloading</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Check whether or not media is being downloaded.</TD></TR></TABLE>&nbsp;<P><!-- ============ FIELD DETAIL =========== --><A NAME="field_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Field Detail</B></FONT></TD></TR></TABLE><A NAME="LENGTH_UNKNOWN"><!-- --></A><H3>LENGTH_UNKNOWN</H3><PRE>public static final long <B>LENGTH_UNKNOWN</B></PRE><DL><DD>Use to indicate that the <CODE>CachingControl</CODE> doesn't know how long the content is.<p> The definition is: LENGTH_UNKNOWN == Long.MAX_VALUE</DL><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="isDownloading()"><!-- --></A><H3>isDownloading</H3><PRE>public boolean <B>isDownloading</B>()</PRE><DL><DD>Check whether or not media is being downloaded.<DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>Returns <CODE>true</CODE> if media is being downloaded;  otherwise returns <CODE>false</CODE>.</DL></DD></DL><HR><A NAME="getContentLength()"><!-- --></A><H3>getContentLength</H3><PRE>public long <B>getContentLength</B>()</PRE><DL><DD>Get the total number of bytes in the media being downloaded. Returns <code>LENGTH_UNKNOWN</code> if this information is not available.<DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>The media length in bytes, or <code>LENGTH_UNKNOWN</code>.</DL></DD></DL><HR><A NAME="getContentProgress()"><!-- --></A><H3>getContentProgress</H3><PRE>public long <B>getContentProgress</B>()</PRE><DL><DD>Get the total number of bytes of media data that have been downloaded so far.<DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>The number of bytes downloaded.</DL></DD></DL><HR><A NAME="getProgressBarComponent()"><!-- --></A><H3>getProgressBarComponent</H3><PRE>public java.awt.Component <B>getProgressBarComponent</B>()</PRE><DL><DD>Get a <CODE>Component</CODE> for displaying the download progress.<DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>Progress bar GUI.</DL></DD></DL><HR><A NAME="getControlComponent()"><!-- --></A><H3>getControlComponent</H3><PRE>public java.awt.Component <B>getControlComponent</B>()</PRE><DL><DD>Get a <CODE>Component</CODE> that provides additional download control. Returns <CODE>null</CODE> if only a progress bar is provided.<DD><DL><DT><B>Specified by: </B><DD><A HREF="../../javax/media/Control.html#getControlComponent()">getControlComponent</A> in interface <A HREF="../../javax/media/Control.html">Control</A></DL></DD><DD><DL><DT><B>Returns:</B><DD>Download control GUI.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_bottom"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3">  <TR ALIGN="center" VALIGN="top">  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../overview-summary.html"><FONT ID="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT ID="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT ID="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../deprecated-list.html"><FONT ID="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../index-all.html"><FONT ID="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../help-doc.html"><FONT ID="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>  </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">&nbsp;PREV CLASS&nbsp;&nbsp;<A HREF="../../javax/media/Clock.html"><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>  &nbsp;&nbsp;<A HREF="CachingControl.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">  SUMMARY: &nbsp;INNER&nbsp;|&nbsp;<A HREF="#field_summary">FIELD</A>&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: &nbsp;<A HREF="#field_detail">FIELD</A>&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><font size="-1">  <a href="mailto:jmf-bugs@sun.com">Submit a bug or feature</a>  <br>Copyright 1999-2000 Sun Microsystems, Inc. 901 San Antonio Road,  Palo Alto, California, 94303, U.S.A. All Rights Reserved.  See the <a href="spec-license.html">Specification License</a> for more details.  <br>Sun, Sun Microsystems, and Java are trademarks or registered  trademarks of Sun Microsystems, Inc. in the US and other countries.</font></BODY></HTML>
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