ListFilter.java example

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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/>.
 * 
 **/
/**
 * Implements the CFML Function arrayavg
 */
package lucee.runtime.functions.list;

import lucee.runtime.PageContext;
import lucee.runtime.exp.FunctionException;
import lucee.runtime.exp.PageException;
import lucee.runtime.ext.function.BIF;
import lucee.runtime.functions.closure.Filter;
import lucee.runtime.op.Caster;
import lucee.runtime.type.Array;
import lucee.runtime.type.UDF;
import lucee.runtime.type.util.ListUtil;
import lucee.runtime.type.util.StringListData;


public final class ListFilter extends BIF {

	private static final long serialVersionUID = 2182867537570796564L;

	public static String call(PageContext pc , String list, UDF filter) throws PageException {
		return call(pc, list, filter, ",", false,true, false, 20);
	}

	public static String call(PageContext pc , String list, UDF filter,String delimiter) throws PageException {
		return call(pc, list, filter, delimiter, false,true, false, 20);
	}

	public static String call(PageContext pc , String list, UDF filter,String delimiter
			, boolean includeEmptyFields) throws PageException {
		return call(pc, list, filter, delimiter, includeEmptyFields,true, false, 20);
	}

	public static String call(PageContext pc , String list, UDF filter,String delimiter
			, boolean includeEmptyFields, boolean multiCharacterDelimiter) throws PageException {
		return call(pc, list, filter, delimiter, includeEmptyFields,multiCharacterDelimiter, false, 20);
	}
	
	public static String call(PageContext pc , String list, UDF filter,String delimiter
			, boolean includeEmptyFields, boolean multiCharacterDelimiter, boolean parallel) throws PageException {
		return call(pc, list, filter, delimiter, includeEmptyFields,multiCharacterDelimiter, parallel, 20);
	}

	public static String call(PageContext pc , String list, UDF filter,String delimiter
			, boolean includeEmptyFields, boolean multiCharacterDelimiter, boolean parallel, double maxThreads) throws PageException {
		
		return ListUtil.arrayToList(
				(Array)Filter.call(pc, new StringListData(list,delimiter,includeEmptyFields,multiCharacterDelimiter), filter, parallel, maxThreads), delimiter);
	}
	

	@Override
	public Object invoke(PageContext pc, Object[] args) throws PageException {

		if(args.length==2)
			return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1]));
		if(args.length==3)
			return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1]),Caster.toString(args[2]));
		if(args.length==4)
			return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1]),Caster.toString(args[2]),Caster.toBooleanValue(args[3]));
		if(args.length==5)
			return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1]),Caster.toString(args[2]),Caster.toBooleanValue(args[3]), Caster.toBooleanValue(args[4]));
		if(args.length==6)
			return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1]),Caster.toString(args[2]),Caster.toBooleanValue(args[3]), Caster.toBooleanValue(args[4]), Caster.toBooleanValue(args[5]));
		if(args.length==7)
			return call(pc, Caster.toString(args[0]), Caster.toFunction(args[1]),Caster.toString(args[2]),Caster.toBooleanValue(args[3]), Caster.toBooleanValue(args[4]),Caster.toBooleanValue(args[5]), Caster.toDoubleValue(args[6]));
		
		throw new FunctionException(pc, "ListFilter", 2, 7, args.length);
	}
}