/*
* Copyright (C) 2000 - 2010 TagServlet Ltd
*
* This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
*
* OpenBD is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Free Software Foundation,version 3.
*
* OpenBD 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBD. If not, see http://www.gnu.org/licenses/
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with any of the JARS listed in the README.txt (or a modified version of
* (that library), containing parts covered by the terms of that JAR, the
* licensors of this Program grant you additional permission to convey the
* resulting work.
* README.txt @ http://www.openbluedragon.org/license/README.txt
*
* http://www.openbluedragon.org/
*/
package com.naryx.tagfusion.cfm.tag;
import java.io.Serializable;
import com.naryx.tagfusion.cfm.engine.catchDataFactory;
import com.naryx.tagfusion.cfm.engine.cfData;
import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfmBadFileException;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
import com.naryx.tagfusion.cfm.parser.CFUndefinedValue;
import com.naryx.tagfusion.cfm.parser.runTime;
public class cfRETURN extends cfSET implements Serializable {
static final long serialVersionUID = 1;
public java.util.Map getInfo(){
return createInfo("control", "Used to return control from inside a function or thread");
}
public java.util.Map[] getAttInfo(){
return new java.util.Map[] {
createAttInfo("yourVariableName", "The value to which to return", "", true ),
};
}
protected void defaultParameters(String _tag) throws cfmBadFileException {
if (!this.isSubordinate("CFFUNCTION", false) && !this.isSubordinate("CFTHREAD", false)) {
throw new cfmBadFileException(catchDataFactory.invalidTagAttributeException(this, "CFRETURN is only valid within CFFUNCTION or CFTHREAD"));
}
// strip the 'cfreturn' from the tag <cfreturn ...> leaving only the body
// i.e. the expression
setTagExpression(_tag, "cfreturn");
}
public cfTagReturnType render(cfSession _session) throws cfmRunTimeException {
cfData returnVariableValue = null;
if (tagExpression != null) {
returnVariableValue = runTime.runExpression(_session, tagExpression, true);
} else {
returnVariableValue = CFUndefinedValue.UNDEFINED;
}
return cfTagReturnType.newReturn(returnVariableValue);
}
}