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mango is a dao framework.

There is a newer version: 2.0.1

/*
 * Copyright 2014 mango.jfaster.org
 *
 * The Mango Project licenses this file to you 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 org.jfaster.mango.parser;

import org.jfaster.mango.operator.InvocationContext;

/**
 * 整数字面值
 *
 * @author ash
 */
public class ASTIntegerLiteral extends AbstractExpression {

    private Number value;

    public ASTIntegerLiteral(int i) {
        super(i);
    }

    public ASTIntegerLiteral(Parser p, int i) {
        super(p, i);
    }

    public void init(String str) {
        try {
            value = new Integer(str);
        } catch (NumberFormatException E1) {
            value = new Long(str);
        }
    }

    @Override
    public boolean evaluate(InvocationContext context) {
        return true;
    }

    @Override
    public Object value(InvocationContext context) {
        return value;
    }

    @Override
    public String toString() {
        return super.toString() + "[" + value + "]";
    }

    @Override
    public Object jjtAccept(ParserVisitor visitor, Object data) {
        return visitor.visit(this, data);
    }

}