FilterExample.jsp Page that uses the FilterTag custom tag
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!--
Illustration of FilterTag tag.
Taken from Core Web Programming Java 2 Edition
from Prentice Hall and Sun Microsystems Press,
.
May be freely used or adapted.
-->
<HTML>
<HEAD>
<TITLE>HTML Logical Character Styles</TITLE>
<LINK REL=STYLESHEET
HREF="JSP-Styles.css"
TYPE="text/css">
</HEAD>
<BODY>
<H1>HTML Logical Character Styles</H1>
Physical character styles (B, I, etc.) are rendered consistently
in different browsers. Logical character styles, however,
may be rendered differently by different browsers.
Here's how your browser
(<%= request.getHeader("User-Agent") %>)
renders the HTML 4.0 logical character styles:
<P>
<%@ taglib uri="cwp-taglib.tld" prefix="cwp" %>
<TABLE BORDER=1 ALIGN="CENTER">
<TR CLASS="COLORED"><TH>Example<TH>Result
<TR>
<TD><PRE><cwp:filter>
<EM>Some emphasized text.</EM><BR>
<STRONG>Some strongly emphasized text.</STRONG><BR>
<CODE>Some code.</CODE><BR>
<SAMP>Some sample text.</SAMP><BR>
<KBD>Some keyboard text.</KBD><BR>
<DFN>A term being defined.</DFN><BR>
<VAR>A variable.</VAR><BR>
<CITE>A citation or reference.</CITE>
</cwp:filter></PRE>
<TD>
<EM>Some emphasized text.</EM><BR>
<STRONG>Some strongly emphasized text.</STRONG><BR>
<CODE>Some code.</CODE><BR>
<SAMP>Some sample text.</SAMP><BR>
<KBD>Some keyboard text.</KBD><BR>
<DFN>A term being defined.</DFN><BR>
<VAR>A variable.</VAR><BR>
<CITE>A citation or reference.</CITE>
</TABLE>
</BODY>
</HTML>
package cwp.tags;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
import java.io.*;
import cwp.*;
/** A tag that replaces <, >, ", and & with their HTML
* character entities (<, >, ", and &).
* After filtering, arbitrary strings can be placed
* in either the page body or in HTML attributes.
* <P>
* Taken from Core Web Programming Java 2 Edition
* from Prentice Hall and Sun Microsystems Press,
* .
* May be freely used or adapted.
*/
public class FilterTag extends BodyTagSupport {
public int doAfterBody() {
BodyContent body = getBodyContent();
String filteredBody =
ServletUtilities.filter(body.getString());
try {
JspWriter out = body.getEnclosingWriter();
out.print(filteredBody);
} catch(IOException ioe) {
System.out.println("Error in FilterTag: " + ioe);
}
// SKIP_BODY means we're done. If we wanted to evaluate
// and handle the body again, we'd return EVAL_BODY_TAG.
return(SKIP_BODY);
}
}
Note: Brought from our old site: http://www.salearningschool.com/example_codes/ on Jan 2nd, 2017 From: http://sitestree.com/?p=10284
Categories:Programming Code Examples, Java/J2EE/J2ME, Applets and Basic Graphics
Tags:Java/J2EE/J2MEApplets and Basic Graphics
Post Data:2017-01-02 16:04:31
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