/*
* 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.expression.function;
import java.util.List;
import com.naryx.tagfusion.cfm.engine.cfBooleanData;
import com.naryx.tagfusion.cfm.engine.cfComponentData;
import com.naryx.tagfusion.cfm.engine.cfData;
import com.naryx.tagfusion.cfm.engine.cfJavaObjectData;
import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
public class IsInstanceOf extends functionBase {
private static final long serialVersionUID = 1L;
public IsInstanceOf() {
min = max = 2;
}
public String[] getParamInfo(){
return new String[]{
"cfc or java object",
"object type to check for",
};
}
public java.util.Map getInfo(){
return makeInfo(
"decision",
"Determines if the object passed in is an instance of the type passed in",
ReturnType.BOOLEAN );
}
public cfData execute(cfSession _session, List<cfData> parameters) throws cfmRunTimeException {
cfData obj = parameters.get(1);
String type = parameters.get(0).getString();;
if ( obj.getDataType() == cfData.CFJAVAOBJECTDATA ){
cfJavaObjectData jDataObject = (cfJavaObjectData)obj;
Class<?> C1, C2;
try {
C1 = Class.forName( type );
C2 = jDataObject.getInstanceClass();
return cfBooleanData.getcfBooleanData( C1.isAssignableFrom(C2) );
} catch (ClassNotFoundException e) {
throwException(_session, "Could not find the class type: " + type );
}
} else if ( obj.getDataType() == cfData.CFCOMPONENTOBJECTDATA ){
cfComponentData cfcComp = (cfComponentData)obj;
while ( cfcComp != null ){
String componentName = cfcComp.getComponentName();
if ( isCFCTypeOf( componentName, type ) )
return cfBooleanData.TRUE;
cfcComp = cfcComp.getSuperComponent();
}
}else
throwException(_session, "The first parameter was not of a Java Object or CFC" );
return cfBooleanData.FALSE;
}
private boolean isCFCTypeOf( String cfcName, String type ){
return cfcName.endsWith( type );
}
}