/*
* 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.util.CharBuffer;
import com.caucho.vfs.WriteStream;
import com.caucho.xml.QName;
import com.caucho.xml.XmlChar;
import java.io.IOException;
/**
* Represents static text.
*/
public class StaticText extends JspNode {
private static final QName TEXT = new QName("jsp", "text", JSP_NS);
private String _text;
public StaticText(JavaJspGenerator gen, String text, JspNode parent)
{
if (gen == null)
throw new NullPointerException();
setGenerator(gen);
setQName(TEXT);
setParent(parent);
_text = text;
}
/**
* Gets the text.
*/
public String getText()
{
return _text;
}
/**
* sets the text.
*/
public void setText(String text)
{
_text = text;
}
/**
* Return true if the node only has static text.
*/
public boolean isStatic()
{
return true;
}
/**
* Returns the static text.
*/
public void getStaticText(CharBuffer cb)
{
cb.append(_text);
}
/**
* Returns true if whitespace.
*/
public boolean isWhitespace()
{
String text = _text;
for (int i = text.length() - 1; i >= 0; i--) {
if (! XmlChar.isWhitespace(text.charAt(i)))
return false ;
}
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:text");
printJspId(os);
os.print(">");
printXmlText(os, _text);
os.print("</jsp:text>");
}
/**
* Generates the start location.
*/
public void generateStartLocation(JspJavaWriter out)
throws IOException
{
out.setLocation(_filename, _startLine);
}
/**
* Generates the end location.
*/
public void generateEndLocation(JspJavaWriter out)
throws IOException
{
out.setLocation(_filename, _endLine);
}
/**
* Generates the code for the static text
*
* @param out the output writer for the generated java.
*/
public void generate(JspJavaWriter out)
throws Exception
{
out.addText(_text);
}
/**
* Generates the code for the static text
*
* @param out the output writer for the generated java.
*/
public void generateStatic(JspJavaWriter out)
throws Exception
{
out.print(_text);
}
/**
* Generates text from a string.
*
* @param out the output writer for the generated java.
* @param string the text to generate.
* @param offset the offset into the text.
* @param length the length of the text.
*/
private void generateText(JspJavaWriter out, String text,
int offset, int length)
throws IOException
{
if (length > 32000) {
generateText(out, text, offset, 16 * 1024);
generateText(out, text, offset + 16 * 1024, length - 16 * 1024);
return;
}
text = text.substring(offset, offset + length);
if (length == 1) {
int ch = text.charAt(0);
out.print("out.write('");
switch (ch) {
case '\\':
out.print("\\\\");
break;
case '\'':
out.print("\\'");
break;
case '\n':
out.print("\\n");
break;
case '\r':
out.print("\\r");
break;
default:
out.print((char) ch);
break;
}
out.println("');");
}
else {
int index = _gen.addString(text);
out.print("out.write(_jsp_string" + index + ", 0, ");
out.println("_jsp_string" + index + ".length);");
}
}
}