camundafeel.de.odysseus.el.tree.impl.ast.AstNull Maven / Gradle / Ivy
/*
* Copyright 2006-2009 Odysseus Software GmbH
*
* 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 de.odysseus.el.tree.impl.ast;
import javax.el.ELContext;
import de.odysseus.el.tree.Bindings;
public final class AstNull extends AstLiteral {
@Override
public Object eval(Bindings bindings, ELContext context) {
return null;
}
@Override
public String toString() {
return "null";
}
@Override
public void appendStructure(StringBuilder b, Bindings bindings) {
b.append("null");
}
}