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/*
 * Copyright 2014 the original author or authors.
 *
 * 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 leap.lang.el.spel.ast;

import leap.lang.el.ElEvalContext;

public class AstBoolean extends AstLiteral {
	private Boolean value;

	public AstBoolean(Boolean value) {
		this.value	    = value;
		this.resultType = value.getClass();
	}

	public Boolean getValue() {
		return value;
	}

	public void setValue(Boolean value) {
		this.value = value;
	}
	
	@Override
    public Object eval(ElEvalContext context) {
	    return value;
    }

	@Override
	protected void doAccept(AstVisitor visitor) {
		visitor.startVisit(this);
		visitor.endVisit(this);
	}

	@Override
	public void toString(StringBuilder buf) {
		buf.append(value ? "true" : "false");
	}

	@Override
    public Object getLiteralValue() {
	    return value;
    }
}