/**********************************************************************
Copyright (c) 2009 Asfun Net.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
**********************************************************************/
package net.asfun.jangod.lib.filter;
import net.asfun.jangod.interpret.InterpretException;
import net.asfun.jangod.interpret.JangodInterpreter;
import net.asfun.jangod.lib.Filter;
public class DivisibleFilter implements Filter{
@Override
public Object filter(Object object, JangodInterpreter interpreter, String... arg)
throws InterpretException {
if ( object == null ) {
return false;
}
if ( object instanceof Number ) {
if ( arg.length != 1 ) {
throw new InterpretException("filter divisible expects 1 arg >>> " + arg.length);
}
long factor = Long.valueOf(interpreter.resolveString(arg[0]));
long value = ((Number)object).longValue();
if ( value % factor == 0 ) {
return true;
}
}
return false;
}
@Override
public String getName() {
return "divisible";
}
}