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/*
 * Copyright (c) 2014 "Kaazing Corporation," (www.kaazing.com)
 *
 * This file is part of Robot.
 *
 * Robot is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see .
 */

package org.kaazing.robot.lang.ast.value;

import static org.kaazing.robot.lang.ast.util.AstUtil.equivalent;

public class AstLiteralTextValue extends AstValue {

    private final String value;

    public AstLiteralTextValue(String value) {
        if (value == null) {
            throw new NullPointerException("value");
        }
        this.value = value;
    }

    public String getValue() {
        return value;
    }

    @Override
    public int hashCode() {
        return value.hashCode();
    }

    @Override
    public boolean equals(Object obj) {
        return (this == obj) || (obj instanceof AstLiteralTextValue) && equals((AstLiteralTextValue) obj);
    }

    protected boolean equals(AstLiteralTextValue that) {
        return equivalent(this.value, that.value);
    }

    @Override
    public  R accept(Visitor visitor, P parameter) throws Exception {

        return visitor.visit(this, parameter);
    }

    @Override
    public String toString() {
        return String.format("\"%s\"", value);
    }
}