📄 rawscreen.html
字号:
<!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 Fri Dec 06 19:57:07 CET 2002 --><TITLE>jakarta-turbine-2 2.2 API: Class RawScreen</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 CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/RawScreen.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../org/apache/turbine/modules/screens/JspErrorScreen.html"><B>PREV CLASS</B></A> <A HREF="../../../../../org/apache/turbine/modules/screens/TemplateScreen.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> <A HREF="RawScreen.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | 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><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.apache.turbine.modules.screens</FONT><BR>Class RawScreen</H2><PRE>java.lang.Object | +--<A HREF="../../../../../org/apache/turbine/modules/Assembler.html">org.apache.turbine.modules.Assembler</A> | +--<A HREF="../../../../../org/apache/turbine/modules/Screen.html">org.apache.turbine.modules.Screen</A> | +--<B>org.apache.turbine.modules.screens.RawScreen</B></PRE><HR><DL><DT>public abstract class <B>RawScreen</B><DT>extends <A HREF="../../../../../org/apache/turbine/modules/Screen.html">Screen</A></DL><P>Base class for writing Screens that output binary data. This class is provided as a helper class for those who want to write Screens that output raw binary data. For example, it may be extended into a Screen that outputs a SVG file or a SWF (Flash Player format) movie. The only thing one has to do is to implement the two methods <code>getContentType(RunData data)</code> and <code>doOutput(RunData data)</code> (see below). <p> You migth want to take a look at the ImageServer screen class contained in the TDK.<br><P><DL><DT><B>Version: </B><DD>$Id: RawScreen.java,v 1.1.1.1 2001/08/16 05:08:37 jvanzyl Exp $</DD><DT><B>Author: </B><DD><a href="mailto:rkoenig@chez.com">Regis Koenig</a></DD></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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="../../../../../org/apache/turbine/modules/screens/RawScreen.html#RawScreen()">RawScreen</A></B>()</CODE><BR> </TD></TR></TABLE> <!-- ========== 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>protected org.apache.ecs.ConcreteElement</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/apache/turbine/modules/screens/RawScreen.html#doBuild(org.apache.turbine.util.RunData)">doBuild</A></B>(<A HREF="../../../../../org/apache/turbine/util/RunData.html">RunData</A> data)</CODE><BR> Build the Screen.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/apache/turbine/modules/screens/RawScreen.html#doOutput(org.apache.turbine.util.RunData)">doOutput</A></B>(<A HREF="../../../../../org/apache/turbine/util/RunData.html">RunData</A> data)</CODE><BR> Actually output the dynamic content.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected abstract java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/apache/turbine/modules/screens/RawScreen.html#getContentType(org.apache.turbine.util.RunData)">getContentType</A></B>(<A HREF="../../../../../org/apache/turbine/util/RunData.html">RunData</A> data)</CODE><BR> Set the content type.</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="../../../../../org/apache/turbine/modules/screens/RawScreen.html#getLayout(org.apache.turbine.util.RunData)">getLayout</A></B>(<A HREF="../../../../../org/apache/turbine/util/RunData.html">RunData</A> data)</CODE><BR> The layout must be set to null.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_org.apache.turbine.modules.Screen"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class org.apache.turbine.modules.<A HREF="../../../../../org/apache/turbine/modules/Screen.html">Screen</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../../org/apache/turbine/modules/Screen.html#build(org.apache.turbine.util.RunData)">build</A>, <A HREF="../../../../../org/apache/turbine/modules/Screen.html#prepareText(java.lang.String)">prepareText</A>, <A HREF="../../../../../org/apache/turbine/modules/Screen.html#prepareTextMinimum(java.lang.String)">prepareTextMinimum</A>, <A HREF="../../../../../org/apache/turbine/modules/Screen.html#setLayout(org.apache.turbine.util.RunData, java.lang.String)">setLayout</A></CODE></TD></TR></TABLE> <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><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></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="RawScreen()"><!-- --></A><H3>RawScreen</H3><PRE>public <B>RawScreen</B>()</PRE><DL></DL><!-- ============ 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="doBuild(org.apache.turbine.util.RunData)"><!-- --></A><H3>doBuild</H3><PRE>protected final org.apache.ecs.ConcreteElement <B>doBuild</B>(<A HREF="../../../../../org/apache/turbine/util/RunData.html">RunData</A> data) throws java.lang.Exception</PRE><DL><DD>Build the Screen. This method actually makes a call to the doOutput() method in order to generate the Screen content.<DD><DL><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/turbine/modules/Screen.html#doBuild(org.apache.turbine.util.RunData)">doBuild</A></CODE> in class <CODE><A HREF="../../../../../org/apache/turbine/modules/Screen.html">Screen</A></CODE></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>data</CODE> - Turbine information.<DT><B>Returns:</B><DD>A ConcreteElement.<DT><B>Throws:</B><DD><CODE>Exception,</CODE> - a generic exception.</DL></DD></DL><HR><A NAME="getContentType(org.apache.turbine.util.RunData)"><!-- --></A><H3>getContentType</H3><PRE>protected abstract java.lang.String <B>getContentType</B>(<A HREF="../../../../../org/apache/turbine/util/RunData.html">RunData</A> data)</PRE><DL><DD>Set the content type. This method should be overidden to actually set the real content-type header of the output.<DD><DL><DT><B>Parameters:</B><DD><CODE>data</CODE> - Turbine information.<DT><B>Returns:</B><DD>A String with the content type.</DL></DD></DL><HR><A NAME="doOutput(org.apache.turbine.util.RunData)"><!-- --></A><H3>doOutput</H3><PRE>protected abstract void <B>doOutput</B>(<A HREF="../../../../../org/apache/turbine/util/RunData.html">RunData</A> data) throws java.lang.Exception</PRE><DL><DD>Actually output the dynamic content. The OutputStream can be accessed like this: <pre>OutputStream out = data.getResponse().getOutputStream();</pre>.<DD><DL><DT><B>Parameters:</B><DD><CODE>data</CODE> - Turbine information.<DT><B>Throws:</B><DD><CODE>Exception,</CODE> - a generic exception.</DL></DD></DL><HR><A NAME="getLayout(org.apache.turbine.util.RunData)"><!-- --></A><H3>getLayout</H3><PRE>public final java.lang.String <B>getLayout</B>(<A HREF="../../../../../org/apache/turbine/util/RunData.html">RunData</A> data)</PRE><DL><DD>The layout must be set to null.<DD><DL><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/turbine/modules/Screen.html#getLayout(org.apache.turbine.util.RunData)">getLayout</A></CODE> in class <CODE><A HREF="../../../../../org/apache/turbine/modules/Screen.html">Screen</A></CODE></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>data</CODE> - Turbine information.<DT><B>Returns:</B><DD>A null String.</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 CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/RawScreen.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../org/apache/turbine/modules/screens/JspErrorScreen.html"><B>PREV CLASS</B></A> <A HREF="../../../../../org/apache/turbine/modules/screens/TemplateScreen.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> <A HREF="RawScreen.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | 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><!-- =========== END OF NAVBAR =========== --><HR>Copyright © 2000-2002 Apache Software Foundation. All Rights Reserved.</BODY></HTML>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -