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First attempt at migrating the Zip file process to the new Async task…
… framework.
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zanata-war/src/main/java/org/zanata/async/tasks/ZipFileBuildTask.java
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| /* | ||
| * Copyright 2010, Red Hat, Inc. and individual contributors as indicated by the | ||
| * @author tags. See the copyright.txt file in the distribution for a full | ||
| * listing of individual contributors. | ||
| * | ||
| * This is free software; you can redistribute it and/or modify it under the | ||
| * terms of the GNU Lesser General Public License as published by the Free | ||
| * Software Foundation; either version 2.1 of the License, or (at your option) | ||
| * any later version. | ||
| * | ||
| * This software is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | ||
| * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more | ||
| * details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License | ||
| * along with this software; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the FSF | ||
| * site: http://www.fsf.org. | ||
| */ | ||
| package org.zanata.async.tasks; | ||
|
|
||
| import com.google.common.base.Optional; | ||
| import lombok.AllArgsConstructor; | ||
| import org.jboss.seam.Component; | ||
| import org.zanata.ApplicationConfiguration; | ||
| import org.zanata.adapter.po.PoWriter2; | ||
| import org.zanata.async.AsyncHandle; | ||
| import org.zanata.async.AsyncTask; | ||
| import org.zanata.common.LocaleId; | ||
| import org.zanata.dao.DocumentDAO; | ||
| import org.zanata.dao.LocaleDAO; | ||
| import org.zanata.dao.TextFlowTargetDAO; | ||
| import org.zanata.model.HDocument; | ||
| import org.zanata.model.HLocale; | ||
| import org.zanata.model.HTextFlowTarget; | ||
| import org.zanata.rest.dto.resource.Resource; | ||
| import org.zanata.rest.dto.resource.TranslationsResource; | ||
| import org.zanata.rest.service.ResourceUtils; | ||
| import org.zanata.service.ConfigurationService; | ||
| import org.zanata.service.FileSystemService; | ||
| import org.zanata.service.impl.ConfigurationServiceImpl; | ||
| import org.zanata.service.impl.FileSystemServiceImpl; | ||
|
|
||
| import java.io.File; | ||
| import java.io.FileInputStream; | ||
| import java.io.FileOutputStream; | ||
| import java.io.InputStream; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.zip.ZipEntry; | ||
| import java.util.zip.ZipOutputStream; | ||
|
|
||
| /** | ||
| * This is an asynchronous task to build a zip file containing all files for a Project | ||
| * Iteration. its expected return value is an input stream with the contents of the Zip file. | ||
| * Currently only supports PO files. | ||
| * | ||
| * @author Carlos Munoz <a href="mailto:camunoz@redhat.com">camunoz@redhat.com</a> | ||
| */ | ||
| public class ZipFileBuildTask implements AsyncTask<InputStream, AsyncHandle<InputStream>> | ||
| { | ||
|
|
||
| private final String projectSlug; | ||
| private final String iterationSlug; | ||
| private final String localeId; | ||
| private final String userName; | ||
| private final boolean isOfflinePo; | ||
|
|
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| private AsyncHandle<InputStream> handle; | ||
|
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| public ZipFileBuildTask(String projectSlug, String iterationSlug, String localeId, String userName, boolean offlinePo) | ||
| { | ||
| this.projectSlug = projectSlug; | ||
| this.iterationSlug = iterationSlug; | ||
| this.localeId = localeId; | ||
| this.userName = userName; | ||
| isOfflinePo = offlinePo; | ||
| } | ||
|
|
||
| @Override | ||
| public AsyncHandle<InputStream> getHandle() | ||
| { | ||
| if( handle == null ) | ||
| { | ||
| handle = buildHandle(); | ||
| } | ||
| return handle; | ||
| } | ||
|
|
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| private AsyncHandle<InputStream> buildHandle() | ||
| { | ||
| AsyncHandle<InputStream> newHandle = new AsyncHandle<InputStream>(); | ||
|
|
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| // Max documents to process | ||
| DocumentDAO documentDAO = (DocumentDAO) Component.getInstance(DocumentDAO.class); | ||
| final List<HDocument> allIterationDocs = documentDAO.getAllByProjectIteration(projectSlug, iterationSlug); | ||
| newHandle.setMaxProgress(allIterationDocs.size() + 1); // all files plus the zanata.xml file | ||
|
|
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| return newHandle; | ||
| } | ||
|
|
||
| @Override | ||
| public InputStream call() throws Exception | ||
| { | ||
| // Needed Components | ||
| DocumentDAO documentDAO = (DocumentDAO) Component.getInstance(DocumentDAO.class); | ||
| LocaleDAO localeDAO = (LocaleDAO)Component.getInstance(LocaleDAO.class); | ||
| ResourceUtils resourceUtils = (ResourceUtils)Component.getInstance(ResourceUtils.class); | ||
| TextFlowTargetDAO textFlowTargetDAO = (TextFlowTargetDAO)Component.getInstance(TextFlowTargetDAO.class); | ||
| FileSystemService fileSystemService = (FileSystemService) Component.getInstance(FileSystemServiceImpl.class); | ||
| ConfigurationService configurationService = (ConfigurationService)Component.getInstance(ConfigurationServiceImpl.class); | ||
| ApplicationConfiguration applicationConfiguration = (ApplicationConfiguration)Component.getInstance(ApplicationConfiguration.class); | ||
|
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| final String projectDirectory = projectSlug + "-" + iterationSlug + "/"; | ||
| final HLocale hLocale = localeDAO.findByLocaleId(new LocaleId(localeId)); | ||
| final String mappedLocale = hLocale.getLocaleId().getId(); | ||
| final String localeDirectory = projectDirectory + mappedLocale + "/"; | ||
|
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| final File downloadFile = fileSystemService.createDownloadStagingFile("zip"); | ||
| final FileOutputStream output = new FileOutputStream( downloadFile ); | ||
| final ZipOutputStream zipOutput = new ZipOutputStream(output); | ||
| zipOutput.setMethod(ZipOutputStream.DEFLATED); | ||
| final PoWriter2 poWriter = new PoWriter2(false, isOfflinePo); | ||
| final Set<String> extensions = new HashSet<String>(); | ||
|
|
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| extensions.add("gettext"); | ||
| extensions.add("comment"); | ||
|
|
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| // Generate the download descriptor file | ||
| String downloadId = fileSystemService.createDownloadDescriptorFile(downloadFile, | ||
| projectSlug + "_" + iterationSlug + "_" + localeId + ".zip", | ||
| userName); | ||
| //zipHandle.setDownloadId(downloadId); | ||
|
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| // Add the config file at the root of the project directory | ||
| String configFilename = projectDirectory + configurationService.getConfigurationFileName(); | ||
| zipOutput.putNextEntry(new ZipEntry(configFilename)); | ||
| zipOutput.write(configurationService.getConfigurationFileContents( | ||
| projectSlug, iterationSlug, hLocale, isOfflinePo, applicationConfiguration.getServerPath()) | ||
| .getBytes()); | ||
| zipOutput.closeEntry(); | ||
| getHandle().increaseProgress(1); | ||
|
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| final List<HDocument> allIterationDocs = documentDAO.getAllByProjectIteration(projectSlug, iterationSlug); | ||
| for (HDocument document : allIterationDocs) | ||
| { | ||
| // Stop the process if signaled to do so | ||
| if (getHandle().isCancelled()) | ||
| { | ||
| zipOutput.close(); | ||
| downloadFile.delete(); | ||
| fileSystemService.deleteDownloadDescriptorFile(downloadId); | ||
| return null; | ||
| } | ||
|
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| TranslationsResource translationResource = new TranslationsResource(); | ||
| List<HTextFlowTarget> hTargets = textFlowTargetDAO.findTranslations(document, hLocale); | ||
| resourceUtils.transferToTranslationsResource( | ||
| translationResource, document, hLocale, extensions, hTargets, Optional.<String>absent()); | ||
|
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| Resource res = resourceUtils.buildResource( document ); | ||
|
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| String filename = localeDirectory + document.getDocId() + ".po"; | ||
| zipOutput.putNextEntry(new ZipEntry(filename)); | ||
| poWriter.writePo(zipOutput, "UTF-8", res, translationResource); | ||
| zipOutput.closeEntry(); | ||
|
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| getHandle().increaseProgress(1); | ||
| } | ||
|
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| zipOutput.flush(); | ||
| zipOutput.close(); | ||
|
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| return new FileInputStream(downloadFile); | ||
| } | ||
| } |
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