/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jsp.java;
import com.caucho.jsp.JspParseException;
import com.caucho.util.L10N;
import com.caucho.vfs.WriteStream;
import com.caucho.xml.QName;
import java.io.IOException;
public class JspDirectiveTaglib extends JspNode {
final static L10N L = new L10N(JspDirectiveTaglib.class);
private static final QName PREFIX = new QName("prefix");
private static final QName URI = new QName("uri");
private static final QName TAGDIR = new QName("tagdir");
private String _prefix;
private String _uri;
private String _tagDir;
/**
* Adds an attribute.
*
* @param name the attribute name
* @param value the attribute value
*/
public void addAttribute(QName name, String value)
throws JspParseException
{
if (PREFIX.equals(name))
_prefix = value;
else if (URI.equals(name))
_uri = value;
else if (TAGDIR.equals(name))
_tagDir = value;
else {
throw error(L.l("'{0}' is an unknown JSP taglib directive attributes. See the JSP documentation for a complete list of page directive attributes.",
name.getName()));
}
}
/**
* When the element complets.
*/
public void endElement()
throws JspParseException
{
if (_prefix == null)
throw error(L.l("<{0}> needs a 'prefix' attribute.",
getTagName()));
if (_uri == null && _tagDir == null)
throw error(L.l("<{0}> needs a 'uri' or 'tagdir' attribute.",
getTagName()));
if (_uri != null && _tagDir != null)
throw error(L.l("<{0}> can't have both a 'uri' an a 'tagdir' attribute.",
getTagName()));
if (_uri != null) {
_gen.addTaglib(_prefix, _uri);
addNamespace(_prefix, _uri);
}
else {
_gen.addTaglibDir(_prefix, _tagDir);
addNamespace(_prefix, "urn:jsptld:" + _tagDir);
}
}
/**
* Return true if the node only has static text.
*/
public boolean isStatic()
{
return true;
}
/**
* Generates the XML text representation for the tag validation.
*
* @param os write stream to the generated XML.
*/
public void printXml(WriteStream os)
throws IOException
{
/*
os.print("<jsp:directive.taglib prefix=\"" + _prefix + "\"");
if (_uri != null)
os.print(" uri=\"" + _uri + "\"/>");
else
os.print(" tagdir=\"" + _tagDir + "\"/>");
*/
}
/**
* Generates the code for the tag
*
* @param out the output writer for the generated java.
*/
public void generate(JspJavaWriter out)
throws Exception
{
}
}