FilterTag.java Custom tag that modifies the tag body
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=10283
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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