/*
* (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.util;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Set;
import org.eclipse.core.resources.IResource;
import org.tigris.subversion.subclipse.core.ISVNLocalResource;
import org.tigris.subversion.subclipse.core.ISVNRepositoryLocation;
import org.tigris.subversion.subclipse.core.ISVNResource;
import org.tigris.subversion.subclipse.core.SVNException;
import org.tigris.subversion.subclipse.core.SVNProviderPlugin;
import org.tigris.subversion.subclipse.core.resources.SVNWorkspaceRoot;
import org.tigris.subversion.svnclientadapter.ISVNClientAdapter;
import org.tigris.subversion.svnclientadapter.SVNClientException;
import org.tigris.subversion.svnclientadapter.SVNDiffSummary;
import org.tigris.subversion.svnclientadapter.SVNRevision;
import org.tigris.subversion.svnclientadapter.SVNUrl;
import com.taobao.eclipse.plugin.reviewboard.core.exception.DiffGenerateException;
/**
* 类说明:diff的相关Util
*
* @author 智清
* 创建时间：2010-11-8
*/
public final class RbSVNDiffUtils {
private RbSVNDiffUtils() {
super();
}
/**
* 取得diff影响的范围
* @Param localNewVersionFlag的作用是：如果localNewVersionFlag=true，那么当localResource != null时，取本地的最新版本
*/
public static SVNDiffSummary[] diffSummarize(SVNUrl fromUrl, SVNRevision fromRevision,
SVNUrl toUrl, SVNRevision toRevision,
boolean localNewVersionFlag,ISVNResource localResource) throws DiffGenerateException {
SVNDiffSummary[] sVNDiffSummarys = null;
try {
ISVNClientAdapter client = null;
ISVNRepositoryLocation repository = SVNProviderPlugin.getPlugin().getRepository(fromUrl.toString());
if (repository != null){
client = repository.getSVNClient();
}
if( null == client ){
return sVNDiffSummarys;
}
SVNRevision pegRevision = null;
if ( localNewVersionFlag && fromUrl.toString().equals(toUrl.toString()) && localResource != null) {
if (localResource.getResource() == null){
pegRevision = SVNRevision.HEAD;
}
else {
IResource resource = localResource.getResource();
ISVNLocalResource svnResource = SVNWorkspaceRoot.getSVNResourceFor(resource);
pegRevision = svnResource.getRevision();
}
}
if (pegRevision == null){
sVNDiffSummarys = client.diffSummarize(fromUrl, fromRevision, toUrl, toRevision, 40, false);
}else{
sVNDiffSummarys = client.diffSummarize(fromUrl, pegRevision, fromRevision, toRevision, 40, false);
}
}catch (SVNClientException e) {
throw new DiffGenerateException(e);
}catch ( SVNException e2 ) {
throw new DiffGenerateException(e2);
}catch ( Exception e3 ) {
throw new DiffGenerateException(e3);
}finally {
}
return sVNDiffSummarys;
}
/**
* 整合多个文件的post-commit。整合规则：
* 如果选中了多个目录和多个文件：
* 1.如果某个目录和该目录下的文件（包括子目录下的文件）同时被选中，则抛弃文件。
* 2.如果选中了某个目录，又选中了该目录下的若干个子目录，则直接抛弃子目录
* 总的来说，抛弃所有存在父子关系中的儿子
* @param resource
* @return
*/
public static IResource[] integerateResourcesForSVNPostCommit(IResource[] resources){
if( null == resources ){
return null;
}
LinkedList<IResource> resouceLinkedList = new LinkedList<IResource>();
Set<IResource> resouceSetReturn = new HashSet<IResource>();
//记录需要删除的元素
Set<IResource> resouceSetDelete = new HashSet<IResource>();
for(IResource resource : resources){
resouceLinkedList.add(resource);
resouceSetReturn.add(resource);
}
while( !resouceLinkedList.isEmpty() ){
//取出第一个元素，然后立刻将该元素从LinkedList删掉。
IResource resouceTmpFromList = resouceLinkedList.getFirst();
IResource resouceTmp = resouceTmpFromList;
resouceLinkedList.removeFirst();
for( IResource resource : resouceLinkedList ){
String resourceTmpPath = resouceTmp.getFullPath().toString();
String resourcePath = resource.getFullPath().toString();
if(resourceTmpPath.indexOf(resourcePath)!=-1){
resouceSetDelete.add(resouceTmp);
}else if(resourcePath.indexOf(resourceTmpPath)!=-1){
resouceSetDelete.add(resource);
}
}
}
resouceSetReturn.removeAll(resouceSetDelete);
IResource[] resourcesReturn = new IResource[resouceSetReturn.size()];
resouceSetReturn.toArray(resourcesReturn);
return resourcesReturn;
}
}