/*
* (C) 2007-2011 Alibaba Group Holding Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*
* If you have any question, please contact:千丫 <qianya@taobao.com>
* Authors:智清 <zhiqing.ht@taobao.com>；银时<yinshi.nc@taobao.com>
*
*/
package com.taobao.eclipse.plugin.reviewboard.subclipse.diffoperation;
import static com.taobao.eclipse.plugin.reviewboard.core.constant.ReviewBoardCoreConstants.CHARSET_AUTO;
import static com.taobao.eclipse.plugin.reviewboard.core.constant.ReviewBoardCoreConstants.DIFF_SUFFIX;
import static com.taobao.eclipse.plugin.reviewboard.core.constant.ReviewBoardCoreConstants.EMPTY_STRING;
import static com.taobao.eclipse.plugin.reviewboard.core.constant.ReviewBoardCoreConstants.EOL;
import static com.taobao.eclipse.plugin.reviewboard.core.constant.ReviewBoardCoreConstants.FOLDER_TMP_DIFF;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.tigris.subversion.subclipse.ui.Policy;
import org.tigris.subversion.svnclientadapter.SVNRevision;
import org.tigris.subversion.svnclientadapter.SVNUrl;
import com.taobao.eclipse.plugin.reviewboard.core.config.RbConfig;
import com.taobao.eclipse.plugin.reviewboard.core.config.RbConfigReader;
import com.taobao.eclipse.plugin.reviewboard.core.util.GuessStreamEncoding;
import com.taobao.eclipse.plugin.reviewboard.core.util.IOUtils;
import com.taobao.eclipse.plugin.reviewboard.subclipse.RbSubclipseMessages;
import com.taobao.eclipse.plugin.reviewboard.subclipse.util.RbSVNDiffGeneratorUtils;
import com.taobao.eclipse.plugin.reviewboard.subclipse.util.RbSVNUrlUtils;
/**
* 类说明:为post-commit方式生成diff。支持多文件、多文件夹、跨project
*
* @author 智清
* 创建时间：2010-11-8
*/
public class GeneratePostMultiDiffOperation implements IRunnableWithProgress {
private String start;
private String stop;
private boolean success;
private IResource[] resources;
/**ReviewBoard对文件编码的支持还不够好，不得不采用这种方式（当同一次提交的文件包含多种编码时）*/
Map< String, StringBuilder > diffContentSBByCharset = new HashMap< String, StringBuilder >();
/**最终生成的diff的文件内容*/
private File[] fileDiffs;
public GeneratePostMultiDiffOperation(IResource[] resources,
String start, String stop) {
this.start = start;
this.stop = stop;
this.resources = resources;
}
/**
* @see IRunnableWithProgress#run(IProgressMonitor)
*/
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
try {
monitor.beginTask("", 300+100*(resources.length)); //$NON-NLS-1$
monitor.setTaskName(Policy.bind("GenerateSVNDiff.working")); //$NON-NLS-1$
Set<IResource> includedResources = new HashSet<IResource>();
includedResources.addAll(Arrays.asList(resources));
//将includedResources按照project进行分组
Map<IProject, List<IResource>> projectToResources = new HashMap<IProject, List<IResource>>();
for( IResource resourceTmp : includedResources ){
IProject project = resourceTmp.getProject();
List<IResource> resources = projectToResources.get(project);
if (resources == null) {
resources = new ArrayList<IResource>();
projectToResources.put(project, resources);
}
resources.add(resourceTmp);
}
//确保所有的project都在同一个Repository Root里（否则，无法正常生成ReviewBoard能够识别的diff）
if( !RbSVNUrlUtils.isProjectWithSameSVNRepository( projectToResources.keySet() ) ){
throw new Exception( RbSubclipseMessages.getString("ERROR_PROJECT_NOTSAME_REPOSITORY") );
}
/*diffContentSB.append( ECLIPSE_PATCH_HEADER );
diffContentSB.append( EOL );*/
for ( Iterator<Entry<IProject, List<IResource>>> iEntry = projectToResources.entrySet().iterator(); iEntry.hasNext(); ) {
Entry<IProject, List<IResource>> entry = (Entry<IProject, List<IResource>>) iEntry.next();
IProject project = (IProject) entry.getKey();
List<IResource> resources = (List<IResource>) entry.getValue();
String repositoryRootUrl = RbSVNUrlUtils.getRepositoryRootUrlForResource( project );
String projectSVNUrl = RbSVNUrlUtils.getSVNUrlForProject( project );
if( !repositoryRootUrl.endsWith("/") ){
repositoryRootUrl += "/";
}
if( !projectSVNUrl.endsWith("/") ){
projectSVNUrl += "/";
}
String relativeRepositoryRootUrl = projectSVNUrl.replaceFirst( repositoryRootUrl, EMPTY_STRING );
for( IResource resourceTmp : resources ){
monitor.worked(100);
File tempDiffFile = IOUtils.generateTmpFile( FOLDER_TMP_DIFF, DIFF_SUFFIX);
monitor.worked(100);
String[] baseSVNUrl = RbSVNUrlUtils.getBaseSVNUrlForDiffUpload(resourceTmp, false);
String stopUrl = baseSVNUrl[2];
String startUrl = baseSVNUrl[2];
SVNUrl fromUrl = new SVNUrl(stopUrl);
SVNUrl toUrl = new SVNUrl(startUrl);
try {
SVNRevision[] fromAndToRevision = RbSVNUrlUtils.formateSVNRevisionUnify(start, stop);
SVNRevision startVersion = fromAndToRevision[0];
SVNRevision stopVersion = fromAndToRevision[1];
//修复版本号
if( stopVersion instanceof SVNRevision.Number ){
stopVersion = RbSVNUrlUtils.reviseSVNRevision( resourceTmp,
(SVNRevision.Number)fromAndToRevision[1], true, true, null );
}
if( startVersion instanceof SVNRevision.Number ){
startVersion = RbSVNUrlUtils.reviseSVNRevision( resourceTmp,
(SVNRevision.Number)fromAndToRevision[0], false, true
, stopVersion instanceof SVNRevision.Number ? (SVNRevision.Number)stopVersion : null );
}
//尽可能少地访问SVN库，以提高性能
if( startVersion instanceof SVNRevision.Number && stopVersion instanceof SVNRevision.Number ){
if( ((SVNRevision.Number)startVersion).getNumber() == ((SVNRevision.Number)stopVersion).getNumber() ){
continue;
}
}
if( !(startVersion instanceof SVNRevision.Number) && !(stopVersion instanceof SVNRevision.Number) ){
if( startVersion.equals(stopVersion) ){
continue;
}
}
//生成diff内容
RbSVNDiffGeneratorUtils.getDiffRelativeContent( resourceTmp,
relativeRepositoryRootUrl,
fromUrl, startVersion, toUrl, stopVersion, tempDiffFile, false);
} catch (Exception e) {
throw e;
}
if( null == tempDiffFile || !tempDiffFile.exists() ){
continue;
}
String charsetName = GuessStreamEncoding.getFileEncoding(tempDiffFile);
RbConfig rbConfig = RbConfigReader.getRbConfig(null);
if( null != rbConfig.getCharsetEncoding() && !rbConfig.getCharsetEncoding().trim().equals(CHARSET_AUTO) ){
charsetName = rbConfig.getCharsetEncoding();
}
String diffContentTmp = IOUtils.getContentFromFile( tempDiffFile, charsetName );
tempDiffFile.delete();
if( null == diffContentTmp || diffContentTmp.trim().isEmpty()){
continue;
}
StringBuilder diffContentSBTmp = diffContentSBByCharset.get(charsetName);
if( null == diffContentSBTmp ){
diffContentSBTmp = new StringBuilder();
}
diffContentSBTmp.append( diffContentTmp );
diffContentSBTmp.append( EOL );
diffContentSBByCharset.put(charsetName, diffContentSBTmp);
}
}
//最后，构造需要上传的diff文件
this.fileDiffs = new File[ diffContentSBByCharset.size() ];
int index = 0;
for( String charsetNameTmp : diffContentSBByCharset.keySet() ){
StringBuilder diffContentSBTmp = diffContentSBByCharset.get(charsetNameTmp);
if( null == diffContentSBTmp || diffContentSBTmp.toString().isEmpty() ){
continue;
}
this.fileDiffs[ index ] = IOUtils.generateTmpFile( FOLDER_TMP_DIFF, DIFF_SUFFIX);
IOUtils.saveFile(this.fileDiffs[ index ], diffContentSBTmp.toString(), charsetNameTmp);
index++;
}
} catch (Exception e) {
throw new InterruptedException(e.getMessage());
}
finally {
monitor.done();
}
}
public boolean isSuccess() {
return success;
}
public void setSuccess(boolean success) {
this.success = success;
}
public File[] getFileDiffs() {
return fileDiffs;
}
public void setFileDiffs(File[] fileDiffs) {
this.fileDiffs = fileDiffs;
}
public Map<String, StringBuilder> getDiffContentSBByCharset() {
return diffContentSBByCharset;
}
}