mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-10-08 14:51:49 +00:00
swf transformer (installed swf tool requied), minor refactor of thumbnail service, thumbnailRegistry created (smallImage and webpreview thumbnail types added), start of thumbnail JS API (extensions to ScriptNode) and POST URL to create thumbnails
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@9259 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Roy Wetherall
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/*
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* Copyright (C) 2005-2007 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.repo.content.transform.swf;
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import java.io.File;
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import java.util.HashMap;
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import java.util.Map;
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import org.alfresco.error.AlfrescoRuntimeException;
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import org.alfresco.repo.content.MimetypeMap;
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import org.alfresco.repo.content.transform.AbstractContentTransformer2;
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import org.alfresco.service.cmr.repository.ContentIOException;
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import org.alfresco.service.cmr.repository.ContentReader;
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import org.alfresco.service.cmr.repository.ContentWriter;
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import org.alfresco.service.cmr.repository.TransformationOptions;
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import org.alfresco.util.TempFileProvider;
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import org.alfresco.util.exec.RuntimeExec;
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import org.alfresco.util.exec.RuntimeExec.ExecutionResult;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* PDF to SWF content transformer
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*
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* @author Roy Wetherall
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*/
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public class PDFToSWFContentTransformer extends AbstractContentTransformer2
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{
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/** Logger */
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private static final Log logger = LogFactory.getLog(PDFToSWFContentTransformer.class);
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/** Used to indicate whether the transformaer in available or not */
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private boolean available = false;
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/** Check and transform command */
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private RuntimeExec checkCommand;
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private RuntimeExec transformCommand;
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/** Default flash version to convert to */
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private static final String DEFAULT_FLASH_VERSION = "9";
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/** Check command string */
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private static final String PDF2SWF_CHECK = "pdf2swf -V";
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/** Transformation command string */
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private static final String PDF2SWF_COMMAND = "pdf2swf -t ${flashVersion} \"${source}\" -o \"${target}\"";
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private static final String VAR_SOURCE = "source";
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private static final String VAR_TARGET = "target";
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private static final String VAR_FLASH_VERSION = "flashVersion";
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/**
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* Get the check command for the PDF2SWF tool
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*
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* @return RuntimeExec check command
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*/
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private RuntimeExec getCheckCommand()
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{
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if (this.checkCommand == null)
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{
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this.checkCommand = createCommand(PDF2SWF_CHECK);
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}
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return this.checkCommand;
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}
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/**
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* Get the transform command for the PDF2SWF tool
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*
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* @return RuntimeExec transform command
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*/
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private RuntimeExec getTransformCommand()
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{
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if (this.transformCommand == null)
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{
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this.transformCommand = createCommand(PDF2SWF_COMMAND);
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}
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return this.transformCommand;
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}
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/**
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* Helper to create a runtime exec object for a given command string
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*
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* @param commandString command string
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* @return RuntimeExec runtime exec command
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*/
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private RuntimeExec createCommand(String commandString)
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{
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// Create command
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RuntimeExec result = new RuntimeExec();
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// Set the command string
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Map<String, String> commandsByOS = new HashMap<String, String>(1);
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commandsByOS.put(".*", commandString);
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result.setCommandMap(commandsByOS);
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// Set the error code
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result.setErrorCodes("1");
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return result;
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}
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/**
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* @see org.alfresco.repo.content.transform.AbstractContentTransformer2#register()
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*/
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@Override
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public void register()
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{
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ExecutionResult result = getCheckCommand().execute();
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// check the return code
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this.available = result.getSuccess();
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if (this.available == false)
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{
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logger.error("Failed to start SWF2PDF transformer: \n" + result);
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}
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else
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{
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// no check - just assume it is available
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this.available = true;
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}
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// call the base class to make sure that it gets registered
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super.register();
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}
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/**
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* @see org.alfresco.repo.content.transform.AbstractContentTransformer2#transformInternal(org.alfresco.service.cmr.repository.ContentReader, org.alfresco.service.cmr.repository.ContentWriter, org.alfresco.service.cmr.repository.TransformationOptions)
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*/
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@Override
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protected void transformInternal(ContentReader reader, ContentWriter writer, TransformationOptions options)
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throws Exception
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{
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// get mimetypes
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String sourceMimetype = getMimetype(reader);
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String targetMimetype = getMimetype(writer);
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// get the extensions to use
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String sourceExtension = getMimetypeService().getExtension(sourceMimetype);
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String targetExtension = getMimetypeService().getExtension(targetMimetype);
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if (sourceExtension == null || targetExtension == null)
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{
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throw new AlfrescoRuntimeException("Unknown extensions for mimetypes: \n" +
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" source mimetype: " + sourceMimetype + "\n" +
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" source extension: " + sourceExtension + "\n" +
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" target mimetype: " + targetMimetype + "\n" +
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" target extension: " + targetExtension);
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}
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// create required temp files
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File sourceFile = TempFileProvider.createTempFile(
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getClass().getSimpleName() + "_source_",
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"." + sourceExtension);
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File targetFile = TempFileProvider.createTempFile(
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getClass().getSimpleName() + "_target_",
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"." + targetExtension);
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String flashVersion = DEFAULT_FLASH_VERSION;
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Map<String, String> properties = new HashMap<String, String>(5);
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if (options instanceof SWFTransformationOptions)
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{
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SWFTransformationOptions swfOptions = (SWFTransformationOptions)options;
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if (swfOptions.getFlashVersion() != null)
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{
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flashVersion = swfOptions.getFlashVersion();
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}
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}
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properties.put(VAR_FLASH_VERSION, "-T " + flashVersion);
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// add the source and target properties
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properties.put(VAR_SOURCE, sourceFile.getAbsolutePath());
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properties.put(VAR_TARGET, targetFile.getAbsolutePath());
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// pull reader file into source temp file
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reader.getContent(sourceFile);
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// execute the transformation command
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ExecutionResult result = null;
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try
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{
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result = getTransformCommand().execute(properties);
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}
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catch (Throwable e)
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{
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throw new ContentIOException("Transformation failed during command execution: \n" + transformCommand, e);
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}
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// check
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if (!result.getSuccess())
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{
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throw new ContentIOException("Transformation failed - status indicates an error: \n" + result);
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}
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// check that the file was created
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if (!targetFile.exists())
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{
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throw new ContentIOException("Transformation failed - target file doesn't exist: \n" + result);
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}
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// copy the target file back into the repo
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writer.putContent(targetFile);
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// done
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if (logger.isDebugEnabled())
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{
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logger.debug("PDF2SWF transformation completed: \n" +
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" source: " + reader + "\n" +
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" target: " + writer + "\n" +
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" options: " + options + "\n" +
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" result: \n" + result);
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}
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}
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/**
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* @see org.alfresco.repo.content.transform.ContentTransformer#isTransformable(java.lang.String, java.lang.String, org.alfresco.service.cmr.repository.TransformationOptions)
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*/
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public boolean isTransformable(String sourceMimetype, String targetMimetype, TransformationOptions options)
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{
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boolean result = false;
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if (this.available == true)
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{
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if (MimetypeMap.MIMETYPE_PDF.equals(sourceMimetype) == true &&
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MimetypeMap.MIMETYPE_FLASH.equals(targetMimetype) == true)
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{
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result = true;
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}
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}
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return result;
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}
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}
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@@ -0,0 +1,85 @@
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/*
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* Copyright (C) 2005-2007 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.repo.content.transform.swf;
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import java.io.Serializable;
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import java.util.HashMap;
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import java.util.Map;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.NodeService;
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import org.alfresco.service.cmr.repository.TransformationOptions;
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import org.alfresco.service.namespace.NamespaceService;
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import org.alfresco.service.namespace.QName;
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/**
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* SFW transformation options
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*
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* @author Roy Wetherall
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*/
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public class SWFTransformationOptions extends TransformationOptions
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{
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private final static QName ASPECT_SWF_TRANSFORMATION_OPTIONS = QName.createQName(NamespaceService.CONTENT_MODEL_1_0_URI, "swfTransformationOptions");
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private final static QName PROP_FLASH_VERSION = QName.createQName(NamespaceService.CONTENT_MODEL_1_0_URI, "flashVerison");
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/** The version of the flash to convert to */
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private String flashVersion = "9";
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public void setFlashVersion(String flashVersion)
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{
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this.flashVersion = flashVersion;
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}
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public String getFlashVersion()
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{
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return flashVersion;
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}
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@Override
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public void saveToNode(NodeRef nodeRef, NodeService nodeService)
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{
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super.saveToNode(nodeRef, nodeService);
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Map<QName, Serializable> properties = new HashMap<QName, Serializable>(7);
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properties.put(PROP_FLASH_VERSION, this.flashVersion);
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nodeService.addAspect(nodeRef, ASPECT_SWF_TRANSFORMATION_OPTIONS, properties);
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}
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@Override
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public void populateFromNode(NodeRef nodeRef, NodeService nodeService)
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{
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super.populateFromNode(nodeRef, nodeService);
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// Check whether the node has the image transformation options aspect
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if (nodeService.hasAspect(nodeRef, ASPECT_SWF_TRANSFORMATION_OPTIONS) == true)
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{
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// Get the node's properties
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Map<QName, Serializable> properties = nodeService.getProperties(nodeRef);
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// Set the properties
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this.flashVersion = (String)properties.get(PROP_FLASH_VERSION);
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}
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}
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}
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