001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portlet.documentlibrary.util;
016    
017    import com.liferay.portal.kernel.repository.model.FileEntry;
018    import com.liferay.portal.kernel.repository.model.FileVersion;
019    
020    import java.io.File;
021    import java.io.InputStream;
022    
023    /**
024     * @author Alexander Chow
025     */
026    public abstract class DefaultPreviewableProcessor
027            extends DLPreviewableProcessor {
028    
029            public void cleanUp(FileEntry fileEntry) {
030                    deleteFiles(fileEntry, getThumbnailType());
031            }
032    
033            public void cleanUp(FileVersion fileVersion) {
034                    deleteFiles(fileVersion, getThumbnailType());
035            }
036    
037            protected InputStream doGetPreviewAsStream(FileVersion fileVersion)
038                    throws Exception {
039    
040                    return doGetPreviewAsStream(fileVersion, 0);
041            }
042    
043            protected InputStream doGetPreviewAsStream(
044                            FileVersion fileVersion, int index)
045                    throws Exception {
046    
047                    return doGetPreviewAsStream(fileVersion, index, getPreviewType());
048            }
049    
050            protected long doGetPreviewFileSize(FileVersion fileVersion)
051                    throws Exception {
052    
053                    return doGetPreviewFileSize(fileVersion, 0);
054            }
055    
056            protected long doGetPreviewFileSize(FileVersion fileVersion, int index)
057                    throws Exception {
058    
059                    return doGetPreviewFileSize(fileVersion, index, getPreviewType());
060            }
061    
062            protected InputStream doGetThumbnailAsStream(FileVersion fileVersion)
063                    throws Exception {
064    
065                    return doGetThumbnailAsStream(fileVersion, getThumbnailType());
066            }
067    
068            protected long doGetThumbnailFileSize(FileVersion fileVersion)
069                    throws Exception {
070    
071                    return doGetThumbnailFileSize(fileVersion, getThumbnailType());
072            }
073    
074            protected String getPreviewFilePath(FileVersion fileVersion) {
075                    return getPreviewFilePath(fileVersion, 0);
076            }
077    
078            protected String getPreviewFilePath(FileVersion fileVersion, int index) {
079                    return getPreviewFilePath(fileVersion, index, getPreviewType());
080            }
081    
082            protected File getPreviewTempFile(String id) {
083                    return getPreviewTempFile(id, 0);
084            }
085    
086            protected File getPreviewTempFile(String id, int index) {
087                    return getPreviewTempFile(id, index, getPreviewType());
088            }
089    
090            protected int getPreviewTempFileCount(FileVersion fileVersion) {
091                    return getPreviewTempFileCount(fileVersion, getPreviewType());
092            }
093    
094            protected String getPreviewTempFilePath(String id) {
095                    return getPreviewTempFilePath(id, 0);
096            }
097    
098            protected String getPreviewTempFilePath(String id, int index) {
099                    return getPreviewTempFilePath(id, index, getPreviewType());
100            }
101    
102            protected abstract String getPreviewType();
103    
104            protected String getThumbnailFilePath(FileVersion fileVersion) {
105                    return getThumbnailFilePath(fileVersion, getThumbnailType());
106            }
107    
108            protected File getThumbnailTempFile(String id) {
109                    return getThumbnailTempFile(id, getThumbnailType());
110            }
111    
112            protected String getThumbnailTempFilePath(String id) {
113                    return getThumbnailTempFilePath(id, getThumbnailType());
114            }
115    
116            protected String getThumbnailType() {
117                    return null;
118            }
119    
120    }