Invoke.java example

Explorer
Lucee-master
/**
 *
 * 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.functions.dynamicEvaluation;

import lucee.runtime.PageContext;
import lucee.runtime.exp.PageException;
import lucee.runtime.ext.function.Function;
import lucee.runtime.op.Caster;
import lucee.runtime.op.Decision;
import lucee.runtime.type.KeyImpl;
import lucee.runtime.type.Struct;
import lucee.runtime.type.StructImpl;

public class Invoke implements Function {

	private static final long serialVersionUID = 3451409617437302246L;
	private static final Struct EMPTY = new StructImpl();
	
	public static Object call(PageContext pc , Object obj, String name) throws PageException {
		return call(pc, obj, name, null);
	}

	public static Object call(PageContext pc , Object obj, String name, Object arguments) throws PageException {
		if(arguments==null)arguments=EMPTY; 
		
		if(obj instanceof String) {
			obj=pc.loadComponent(Caster.toString(obj));
		}
		
		if(Decision.isStruct(arguments)) { 
			return pc.getVariableUtil().callFunctionWithNamedValues(pc,obj,KeyImpl.init(name),Caster.toStruct(arguments));
		}
		return pc.getVariableUtil().callFunctionWithoutNamedValues(pc,obj,KeyImpl.init(name),Caster.toNativeArray(arguments));
		
	}
		
}