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     */
019    package org.apache.shiro.util;
020    
021    import org.apache.shiro.codec.Base64;
022    import org.apache.shiro.codec.Hex;
023    
024    import java.util.Arrays;
025    
026    /**
027     * Very simple {@link ByteSource ByteSource} implementation that maintains an internal {@code byte[]} array and uses the
028     * {@link Hex Hex} and {@link Base64 Base64} codec classes to support the
029     * {@link #toHex() toHex()} and {@link #toBase64() toBase64()} implementations.
030     *
031     * @author Les Hazlewood
032     * @since 1.0
033     */
034    public class SimpleByteSource implements ByteSource {
035    
036        private final byte[] bytes;
037    
038        public SimpleByteSource(byte[] bytes) {
039            this.bytes = bytes;
040        }
041    
042        public byte[] getBytes() {
043            return this.bytes;
044        }
045    
046        public String toHex() {
047            return Hex.encodeToString(getBytes());
048        }
049    
050        public String toBase64() {
051            return Base64.encodeToString(getBytes());
052        }
053    
054        public String toString() {
055            return toBase64();
056        }
057    
058        public int hashCode() {
059            return toBase64().hashCode();
060        }
061    
062        public boolean equals(Object o) {
063            if (o == this) {
064                return true;
065            }
066            if (o instanceof SimpleByteSource) {
067                SimpleByteSource bs = (SimpleByteSource) o;
068                return Arrays.equals(getBytes(), bs.getBytes());
069            }
070            return false;
071        }
072    }