001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.mina.example.haiku;
020
021import java.util.Arrays;
022
023/**
024 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
025 */
026public class Haiku {
027    private final String[] phrases;
028
029    public Haiku(String... lines) {
030        this.phrases = lines;
031        if (null == lines || lines.length != 3) {
032            throw new IllegalArgumentException("Must pass in 3 phrases of text");
033        }
034    }
035
036    public String[] getPhrases() {
037        return phrases;
038    }
039
040    @Override
041    public boolean equals(Object o) {
042        if (this == o)
043            return true;
044        if (o == null || getClass() != o.getClass())
045            return false;
046
047        Haiku haiku = (Haiku) o;
048
049        return Arrays.equals(phrases, haiku.phrases);
050    }
051
052    @Override
053    public int hashCode() {
054        return Arrays.hashCode(phrases);
055    }
056
057    @Override
058    public String toString() {
059        return Arrays.toString(phrases);
060    }
061}