001/*
002 * (C) Copyright 2006-2015 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Bogdan Stefanescu
018 *     Florent Guillaume
019 */
020package org.nuxeo.ecm.core.api.impl.blob;
021
022import java.io.ByteArrayInputStream;
023import java.io.IOException;
024import java.io.InputStream;
025import java.io.Serializable;
026
027/**
028 * Blob based on a byte array.
029 */
030public class ByteArrayBlob extends AbstractBlob implements Serializable {
031
032    private static final long serialVersionUID = 1L;
033
034    protected final byte[] bytes;
035
036    public ByteArrayBlob(byte[] bytes) {
037        this(bytes, null, null);
038    }
039
040    public ByteArrayBlob(byte[] bytes, String mimeType) {
041        this(bytes, mimeType, null);
042    }
043
044    public ByteArrayBlob(byte[] bytes, String mimeType, String encoding) {
045        if (bytes == null) {
046            throw new NullPointerException("null bytes");
047        }
048        this.bytes = bytes;
049        this.mimeType = mimeType;
050        this.encoding = encoding;
051    }
052
053    @Override
054    public long getLength() {
055        return bytes.length;
056    }
057
058    @Override
059    public InputStream getStream() {
060        return new ByteArrayInputStream(bytes);
061    }
062
063    @Override
064    public byte[] getByteArray() {
065        return bytes;
066    }
067
068    @Override
069    public String getString() throws IOException {
070        return new String(bytes, getEncoding() == null ? UTF_8 : getEncoding());
071    }
072
073}