001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance 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, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.kernel.modeshape.utils;
019
020import java.io.InputStream;
021
022import javax.jcr.Property;
023import javax.jcr.RepositoryException;
024import org.fcrepo.kernel.api.exception.RepositoryRuntimeException;
025
026/**
027 * A {@link org.fcrepo.kernel.api.utils.CacheEntry} for simple Binary objects
028 * @author frank asseg
029 *
030 */
031public class BinaryCacheEntry extends BasicCacheEntry {
032
033    private final Property property;
034
035    /**
036     * Create a new BinaryCacheEntry
037     * @param property the property
038     */
039    public BinaryCacheEntry(final Property property) {
040        super();
041        this.property = property;
042    }
043
044    /*
045     * (non-Javadoc)
046     * @see org.fcrepo.kernel.api.utils.CacheEntry#getInputStream()
047     */
048    @Override
049    public InputStream getInputStream() {
050        try {
051            return property.getBinary().getStream();
052        } catch (final RepositoryException e) {
053            throw new RepositoryRuntimeException(e);
054        }
055    }
056
057    /*
058     * (non-Javadoc)
059     * @see org.fcrepo.kernel.api.utils.CacheEntry#getExternalIdentifier()
060     */
061    @Override
062    public String getExternalIdentifier() {
063        try {
064            return property.getPath();
065        } catch (final RepositoryException e) {
066            throw new RepositoryRuntimeException(e);
067        }
068    }
069
070    protected Property property() {
071        return property;
072    }
073
074}