001    /**
002     * Copyright (c) 2000-2013 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.lar.PortletDataContext;
018    import com.liferay.portal.kernel.repository.model.FileEntry;
019    import com.liferay.portal.kernel.repository.model.FileVersion;
020    import com.liferay.portal.kernel.xml.Element;
021    
022    import java.io.InputStream;
023    
024    import java.util.Set;
025    
026    /**
027     * @author Sergio Gonz??lez
028     */
029    public interface AudioProcessor {
030    
031            public static final String PREVIEW_TYPE = "mp3";
032    
033            public void exportGeneratedFiles(
034                            PortletDataContext portletDataContext, FileEntry fileEntry,
035                            Element fileEntryElement)
036                    throws Exception;
037    
038            public void generateAudio(FileVersion fileVersion) throws Exception;
039    
040            public Set<String> getAudioMimeTypes();
041    
042            public InputStream getPreviewAsStream(FileVersion fileVersion, String type)
043                    throws Exception;
044    
045            public long getPreviewFileSize(FileVersion fileVersion, String type)
046                    throws Exception;
047    
048            public boolean hasAudio(FileVersion fileVersion);
049    
050            public void importGeneratedFiles(
051                            PortletDataContext portletDataContext, FileEntry fileEntry,
052                            FileEntry importedFileEntry, Element fileEntryElement)
053                    throws Exception;
054    
055            public boolean isAudioSupported(FileVersion fileVersion);
056    
057            public boolean isAudioSupported(String mimeType);
058    
059            public boolean isSupported(String mimeType);
060    
061            public void trigger(FileVersion fileVersion);
062    
063    }