📄 showsource.java
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/*
* Copyright 1999,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.taglibs.utility.basic;
import javax.servlet.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
import java.io.*;
/**
* Display the sources of the JSP file.
*
* Author Anil Vijendran.
*/
public class ShowSource
extends TagSupport
{
String jspFile;
public void setJspFile(String jspFile) {
this.jspFile = jspFile;
}
public int doEndTag() throws JspException {
InputStream in
= pageContext.getServletContext().getResourceAsStream(jspFile);
if (in == null)
throw new JspTagException("Unable to find JSP file: "+jspFile);
InputStreamReader reader = new InputStreamReader(in);
JspWriter out = pageContext.getOut();
try {
out.println("<body>");
out.println("<pre>");
for(int ch = in.read(); ch != -1; ch = in.read())
if (ch == '<')
out.print("<");
else
out.print((char) ch);
out.println("</pre>");
out.println("</body>");
} catch (IOException ex) {
throw new JspTagException("IOException: "+ex.toString());
}
return super.doEndTag();
}
}
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