/*
* (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.FOLDER_TMP_DIFF;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.tigris.subversion.subclipse.core.ISVNLocalResource;
import org.tigris.subversion.subclipse.core.resources.SVNWorkspaceRoot;
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.util.RbSVNDiffGeneratorUtils;
import com.taobao.eclipse.plugin.reviewboard.subclipse.util.RbSVNUrlUtils;
/**
* 类说明:为post-commit方式生成diff。注意：仅支持基于SVNUrl的版本比较
*
* @author 智清
* 创建时间：2010-11-8
*/
public class GeneratePostDiffBySVNUrlOperation implements IRunnableWithProgress {
private String start;
private String stop;
private String startUrl;
private String stopUrl;
private boolean success;
private IResource resource;
private boolean isFile;
/**
* 最终生成的diff的文件内容
*/
private File[] fileDiffs;
/**
* @param resource 当前操作的resource 。运行为null
* @param isFile 当前操作的是文件还是文件夹。如果 resource != null,则isFile会根据resource再次重新计算值
* @param start
* @param stop
* @param startUrl
* @param stopUrl
*/
public GeneratePostDiffBySVNUrlOperation(IResource resource, boolean isFile,
String start, String stop,
String startUrl, String stopUrl) {
this.start = start;
this.stop = stop;
this.startUrl = startUrl;
this.stopUrl = stopUrl;
this.success = true;
this.resource = resource;
this.isFile = isFile;
//如果 resource != null,则isFile会根据resource再次重新计算值
if( null != this.resource ){
if( this.resource instanceof IFile ){
this.isFile = true;
}else{
this.isFile = false;
}
}
}
/**
* @see IRunnableWithProgress#run(IProgressMonitor)
*/
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
try {
monitor.beginTask("", 500); //$NON-NLS-1$
monitor.setTaskName(Policy.bind("GenerateSVNDiff.working")); //$NON-NLS-1$
try {
monitor.worked(100);
//生成diff
SVNUrl fromUrl = new SVNUrl(stopUrl);
SVNUrl toUrl = new SVNUrl(startUrl);
SVNRevision[] fromAndToRevision = RbSVNUrlUtils.formateSVNRevisionUnify(start, stop);
ISVNLocalResource localResource = null;
if( null != resource ){
localResource = SVNWorkspaceRoot.getSVNResourceFor(resource);
}
File tempDiffFile = IOUtils.generateTmpFile( FOLDER_TMP_DIFF, DIFF_SUFFIX);
//生成diff
RbSVNDiffGeneratorUtils.diff( isFile, fromUrl, fromAndToRevision[0],
toUrl, fromAndToRevision[1], tempDiffFile,
false, localResource );
if( null == tempDiffFile || !tempDiffFile.exists() ){
return ;
}
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()){
return ;
}
//最后，构造需要上传的diff文件
this.fileDiffs = new File[ 1 ];
this.fileDiffs[0] = IOUtils.generateTmpFile( FOLDER_TMP_DIFF, DIFF_SUFFIX);
IOUtils.saveFile(this.fileDiffs[0], diffContentTmp, charsetName);
} catch (Exception e) {
success = false;
throw e;
}
//如果生成diff失败
if( !this.success ){
return ;
}
} 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;
}
}