/*-
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.apache.sling.query.impl.selector.parser;

import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;

public class Attribute {
    private final String key;

    private final String operator;

    private final String value;

    public Attribute(String key, String operator, String value) {
        this.key = key;
        this.operator = operator;
        this.value = value;
    }

    public String getKey() {
        return key;
    }

    public String getOperator() {
        return operator;
    }

    public String getValue() {
        return value;
    }

    public String toString() {
        return String.format("Attribute[%s %s %s]", key, operator, value);
    }

    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (obj == this) {
            return true;
        }
        if (obj.getClass() != getClass()) {
            return false;
        }
        Attribute rhs = (Attribute) obj;
        return new EqualsBuilder().append(key, rhs.key).append(value, rhs.value).isEquals();
    }

    public int hashCode() {
        return new HashCodeBuilder().append(key).append(value).toHashCode();
    }
}