/**
 *
 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either 
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 * 
 **/
package lucee.runtime.tag;

import java.io.StringReader;

import lucee.commons.lang.StringUtil;
import lucee.runtime.exp.PageException;
import lucee.runtime.ext.tag.BodyTagImpl;
import lucee.runtime.op.Caster;
import lucee.runtime.text.xml.XMLCaster;
import lucee.runtime.text.xml.XMLUtil;

import org.xml.sax.InputSource;

/**
* Creates a XML document object that contains the markup in the tag body. This tag can include XML and CFML tags. the engine processes the CFML code in the tag body, then assigns the resulting text to an XML document object variable.
*
*
*
**/
public final class Xml extends BodyTagImpl {

	/** name of an xml variable */
	private String variable;
	private String validator;

	/** yes: maintains the case of document elements and attributes */
	private boolean casesensitive;

	private String strXML;


	@Override
	public void release()	{
		super.release();
		variable=null;
		casesensitive=false;
		strXML=null;
		validator=null;
	}

	/** set the value variable
	*  name of an xml variable
	* @param variable value to set
	**/
	public void setVariable(String variable)	{
		this.variable=variable;
	}

	/** set the value casesensitive
	*  yes: maintains the case of document elements and attributes
	* @param casesensitive value to set
	**/
	public void setCasesensitive(boolean casesensitive)	{
		this.casesensitive=casesensitive;
	}


	@Override
	public int doStartTag()	{
		return EVAL_BODY_BUFFERED;
	}

	@Override
	public int doEndTag() throws PageException	{
		try {
			InputSource vis = StringUtil.isEmpty(validator)?null:XMLUtil.toInputSource(pageContext,validator);
			pageContext.setVariable(variable,XMLCaster.toXMLStruct(XMLUtil.parse(new InputSource(new StringReader(strXML)),vis,false),casesensitive));
		} 
		catch (Exception e) {
			throw Caster.toPageException(e);
		}
		
		return EVAL_PAGE;
	}

	@Override
	public void doInitBody()	{
		
	}

	@Override
	public int doAfterBody()	{
		strXML=bodyContent.getString().trim();
		return SKIP_BODY;
	}

	/**
	 * @param validator the validator to set
	 */
	public void setValidator(String validator) {
		this.validator = validator;
	}
}