/*
* 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.vfs.WriteStream;
import com.caucho.xml.QName;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
/**
* Represents a JSP implicit element
*/
public class JspXmlElement extends JspContainerNode {
private ArrayList<QName> _attrNames = new ArrayList<QName>();
private ArrayList<String> _attrValues = new ArrayList<String>();
public JspXmlElement()
{
}
/**
* Adds an attribute.
*/
public void addAttribute(QName name, String value)
throws JspParseException
{
_attrNames.add(name);
_attrValues.add(value);
}
/**
* Adds an attribute.
*/
public void addAttribute(QName name, JspAttribute value)
throws JspParseException
{
// jsp/10j0
if (_gen.isPrototype())
return;
throw error(L.l("jsp:attribute '{0}' is not allowed as a child of XML element <{1}>.",
name.getName(), getTagName()));
}
/**
* Returns true if the namespace decl has been printed.
*/
public boolean hasNamespace(String prefix, String uri)
{
QName name = getQName();
if (prefix == null || uri == null)
return true;
else if (prefix.equals(name.getPrefix()) &&
uri.equals(name.getNamespaceURI()))
return true;
else
return _parent.hasNamespace(prefix, uri);
}
/**
* 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("<" + getTagName());
for (int i = 0; i < _attrNames.size(); i++) {
QName name = _attrNames.get(i);
String value = _attrValues.get(i);
os.print(" " + name.getName() + "=\"");
printXmlText(os, value);
os.print("\"");
}
os.print(">");
printXmlChildren(os);
os.print("</" + getTagName() + ">");
}
/**
* Generates the code for the element.
*
* @param out the output writer for the generated java.
*/
public void generate(JspJavaWriter out)
throws Exception
{
out.addText("<");
out.addText(getTagName());
QName qName = getQName();
HashSet<String> prefixes = new HashSet<String>();
if (qName.getNamespaceURI() != null &&
! _parent.hasNamespace(qName)) {
prefixes.add(qName.getPrefix());
out.addText(" ");
if (qName.getPrefix() == null || qName.getPrefix().equals(""))
out.addText("xmlns=\"");
else
out.addText("xmlns:" + qName.getPrefix() + "=\"");
out.addText(qName.getNamespaceURI());
out.addText("\"");
}
for (int i = 0; i < _attrNames.size(); i++) {
QName name = _attrNames.get(i);
String value = _attrValues.get(i);
if (name.getNamespaceURI() != null &&
! prefixes.contains(name.getPrefix()) &&
! _parent.hasNamespace(name)) {
prefixes.add(name.getPrefix());
out.addText(" ");
if (name.getPrefix() == null || name.getPrefix().equals(""))
out.addText("xmlns=\"");
else
out.addText("xmlns:" + name.getPrefix() + "=\"");
out.addText(name.getNamespaceURI());
out.addText("\"");
}
out.addText(" ");
out.addText(name.getName());
if (value == null || value.equals("")) {
// XXX: possibly differ for html/text
out.addText("=\"\"");
}
else {
out.addText("=\"");
if (value.indexOf("${") < 0 &&
! value.startsWith("<%") &&
! value.startsWith("%")) {
out.addText(value);
}
else {
String javaValue = generateParameterValue(String.class, value,
true, null,
_parseState.isELIgnored());
out.println("out.print(" + javaValue + ");");
}
out.addText("\"");
}
}
if (getChildren() != null && getChildren().size() > 0) {
out.addText(">");
generateChildren(out);
out.addText("</" + getTagName() + ">");
}
else
out.addText(" />");
}
}