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使用svnkit api,纯java操作svn,实现svn提交,更新等操作

发表于: 2014-12-04   作者:aigo   来源:转载   浏览:
摘要:  原文:http://blog.csdn.net/hardwin/article/details/7963318   import java.io.File; import org.apache.log4j.Logger; import org.tmatesoft.svn.core.SVNCommitInfo; import org.tmateso

 原文:http://blog.csdn.net/hardwin/article/details/7963318

 

import java.io.File;  
  
import org.apache.log4j.Logger;  
import org.tmatesoft.svn.core.SVNCommitInfo;  
import org.tmatesoft.svn.core.SVNDepth;  
import org.tmatesoft.svn.core.SVNException;  
import org.tmatesoft.svn.core.SVNNodeKind;  
import org.tmatesoft.svn.core.SVNURL;  
import org.tmatesoft.svn.core.auth.ISVNAuthenticationManager;  
import org.tmatesoft.svn.core.internal.io.dav.DAVRepositoryFactory;  
import org.tmatesoft.svn.core.internal.io.fs.FSRepositoryFactory;  
import org.tmatesoft.svn.core.internal.io.svn.SVNRepositoryFactoryImpl;  
import org.tmatesoft.svn.core.internal.wc.DefaultSVNOptions;  
import org.tmatesoft.svn.core.io.SVNRepository;  
import org.tmatesoft.svn.core.io.SVNRepositoryFactory;  
import org.tmatesoft.svn.core.wc.SVNClientManager;  
import org.tmatesoft.svn.core.wc.SVNRevision;  
import org.tmatesoft.svn.core.wc.SVNStatus;  
import org.tmatesoft.svn.core.wc.SVNUpdateClient;  
import org.tmatesoft.svn.core.wc.SVNWCUtil;  
  
/** 
 * SVNKit Utility 
 * @author lena yang 
 * 
 */  
public class SVNUtil {  
      
    private static Logger logger = Logger.getLogger(SVNUtil.class);  
      
    /** 
     * 通过不同的协议初始化版本库 
     */  
    public static void setupLibrary() {  
        DAVRepositoryFactory.setup();  
        SVNRepositoryFactoryImpl.setup();  
        FSRepositoryFactory.setup();  
    }  
  
    /** 
     * 验证登录svn 
     */  
    public static SVNClientManager authSvn(String svnRoot, String username,  
            String password) {  
        // 初始化版本库  
        setupLibrary();  
  
        // 创建库连接  
        SVNRepository repository = null;  
        try {  
            repository = SVNRepositoryFactory.create(SVNURL  
                    .parseURIEncoded(svnRoot));  
        } catch (SVNException e) {  
            logger.error(e.getErrorMessage(), e);  
            return null;  
        }  
  
        // 身份验证  
        ISVNAuthenticationManager authManager = SVNWCUtil  
  
        .createDefaultAuthenticationManager(username, password);  
  
        // 创建身份验证管理器  
        repository.setAuthenticationManager(authManager);  
  
        DefaultSVNOptions options = SVNWCUtil.createDefaultOptions(true);  
        SVNClientManager clientManager = SVNClientManager.newInstance(options,  
                authManager);  
        return clientManager;  
    }  
      
    /** 
     * Make directory in svn repository 
     * @param clientManager 
     * @param url  
     *          eg: http://svn.ambow.com/wlpt/bsp/trunk  
     * @param commitMessage 
     * @return 
     * @throws SVNException 
     */  
    public static SVNCommitInfo makeDirectory(SVNClientManager clientManager,  
            SVNURL url, String commitMessage) {  
        try {  
            return clientManager.getCommitClient().doMkDir(  
                    new SVNURL[] { url }, commitMessage);  
        } catch (SVNException e) {  
            logger.error(e.getErrorMessage(), e);  
        }  
        return null;  
    }  
      
    /** 
     * Imports an unversioned directory into a repository location denoted by a 
     *  destination URL 
     * @param clientManager 
     * @param localPath 
     *          a local unversioned directory or singal file that will be imported into a  
     *          repository; 
     * @param dstURL 
     *          a repository location where the local unversioned directory/file will be  
     *          imported into 
     * @param commitMessage 
     * @param isRecursive 递归 
     * @return 
     */  
    public static SVNCommitInfo importDirectory(SVNClientManager clientManager,  
            File localPath, SVNURL dstURL, String commitMessage,  
            boolean isRecursive) {  
        try {  
            return clientManager.getCommitClient().doImport(localPath, dstURL,  
                    commitMessage, null, true, true,  
                    SVNDepth.fromRecurse(isRecursive));  
        } catch (SVNException e) {  
            logger.error(e.getErrorMessage(), e);  
        }  
        return null;  
    }  
      
    /** 
     * Puts directories and files under version control 
     * @param clientManager 
     *          SVNClientManager 
     * @param wcPath  
     *          work copy path 
     */  
    public static void addEntry(SVNClientManager clientManager, File wcPath) {  
        try {  
            clientManager.getWCClient().doAdd(new File[] { wcPath }, true,  
                    false, false, SVNDepth.INFINITY, false, false,  
                    true);  
        } catch (SVNException e) {  
            logger.error(e.getErrorMessage(), e);  
        }  
    }  
         
    /** 
     * Collects status information on a single Working Copy item 
     * @param clientManager 
     * @param wcPath 
     *          local item's path 
     * @param remote 
     *          true to check up the status of the item in the repository,  
     *          that will tell if the local item is out-of-date (like '-u' option in the SVN client's  
     *          'svn status' command), otherwise false 
     * @return 
     * @throws SVNException 
     */  
    public static SVNStatus showStatus(SVNClientManager clientManager,  
            File wcPath, boolean remote) {  
        SVNStatus status = null;  
        try {  
            status = clientManager.getStatusClient().doStatus(wcPath, remote);  
        } catch (SVNException e) {  
            logger.error(e.getErrorMessage(), e);  
        }  
        return status;  
    }  
      
    /** 
     * Commit work copy's change to svn 
     * @param clientManager 
     * @param wcPath  
     *          working copy paths which changes are to be committed 
     * @param keepLocks 
     *          whether to unlock or not files in the repository 
     * @param commitMessage 
     *          commit log message 
     * @return 
     * @throws SVNException 
     */  
    public static SVNCommitInfo commit(SVNClientManager clientManager,  
            File wcPath, boolean keepLocks, String commitMessage) {  
        try {  
            return clientManager.getCommitClient().doCommit(  
                    new File[] { wcPath }, keepLocks, commitMessage, null,  
                    null, false, false, SVNDepth.INFINITY);  
        } catch (SVNException e) {  
            logger.error(e.getErrorMessage(), e);  
        }  
        return null;  
    }  
      
    /** 
     * Updates a working copy (brings changes from the repository into the working copy). 
     * @param clientManager 
     * @param wcPath 
     *          working copy path 
     * @param updateToRevision 
     *          revision to update to 
     * @param depth 
     *          update的深度:目录、子目录、文件 
     * @return 
     * @throws SVNException 
     */  
    public static long update(SVNClientManager clientManager, File wcPath,  
            SVNRevision updateToRevision, SVNDepth depth) {  
        SVNUpdateClient updateClient = clientManager.getUpdateClient();  
  
        /* 
         * sets externals not to be ignored during the update 
         */  
        updateClient.setIgnoreExternals(false);  
  
        /* 
         * returns the number of the revision wcPath was updated to 
         */  
        try {  
            return updateClient.doUpdate(wcPath, updateToRevision,depth, false, false);  
        } catch (SVNException e) {  
            logger.error(e.getErrorMessage(), e);  
        }  
        return 0;  
    }  
      
    /** 
     * recursively checks out a working copy from url into wcDir 
     * @param clientManager 
     * @param url 
     *          a repository location from where a Working Copy will be checked out 
     * @param revision 
     *          the desired revision of the Working Copy to be checked out 
     * @param destPath 
     *          the local path where the Working Copy will be placed 
     * @param depth 
     *          checkout的深度,目录、子目录、文件 
     * @return 
     * @throws SVNException 
     */  
    public static long checkout(SVNClientManager clientManager, SVNURL url,  
            SVNRevision revision, File destPath, SVNDepth depth) {  
  
        SVNUpdateClient updateClient = clientManager.getUpdateClient();  
        /* 
         * sets externals not to be ignored during the checkout 
         */  
        updateClient.setIgnoreExternals(false);  
        /* 
         * returns the number of the revision at which the working copy is 
         */  
        try {  
            return updateClient.doCheckout(url, destPath, revision, revision,depth, false);  
        } catch (SVNException e) {  
            logger.error(e.getErrorMessage(), e);  
        }  
        return 0;  
    }  
      
    /** 
     * 确定path是否是一个工作空间 
     * @param path 
     * @return 
     */  
    public static boolean isWorkingCopy(File path){  
        if(!path.exists()){  
            logger.warn("'" + path + "' not exist!");  
            return false;  
        }  
        try {  
            if(null == SVNWCUtil.getWorkingCopyRoot(path, false)){  
                return false;  
            }  
        } catch (SVNException e) {  
            logger.error(e.getErrorMessage(), e);  
        }  
        return true;  
    }  
      
    /** 
     * 确定一个URL在SVN上是否存在 
     * @param url 
     * @return 
     */  
    public static boolean isURLExist(SVNURL url,String username,String password){  
        try {  
            SVNRepository svnRepository = SVNRepositoryFactory.create(url);  
            ISVNAuthenticationManager authManager = SVNWCUtil.createDefaultAuthenticationManager(username, password);  
            svnRepository.setAuthenticationManager(authManager);  
            SVNNodeKind nodeKind = svnRepository.checkPath("", -1);  
            return nodeKind == SVNNodeKind.NONE ? false : true;   
        } catch (SVNException e) {  
            e.printStackTrace();  
        }  
        return false;  
    }  
  
}  

 

 

 

/**  
 * 创建项目框架,SVN提交、更新  
 * @author lena yang  
 *  
 */  
@Service("svnProjectService")  
public class SvnProjectService {  
      
    private Logger logger = Logger.getLogger(SvnProjectService.class);  
      
    // 项目的存放位置  
    private String workspace = null;  
      
    private ResourceBundle rb = ResourceBundle.getBundle("application");  
      
    // SVN的用户名、密码  
    private String username = null;  
    private String password = null;  
      
    private String templete = null;  
      
    @Resource(name="xcodeService")  
    private XcodeService xcodeService;  
      
      
    private void init(){  
        String webapp = System.getProperty("webapp.root");  
        if(null!=webapp&&!webapp.endsWith("/") && !webapp.endsWith("\\")){  
            webapp = webapp + "/";  
        }  
        // 发布到web服务器以后,有可能WebContent没了  
        if(new File(webapp + "WebContent").exists()){  
            webapp = webapp + "WebContent";  
        }  
        username = rb.getString("svn.username");  
        password = rb.getString("svn.password");  
        workspace = rb.getString("project.svn.path");  
        templete = webapp + "templete";  
    }  
      
    public SvnProjectService(){  
        super();  
        init();  
    }  
      
    /**  
     * 创建项目框架  
     * @param project  
     *          Project  
     * @return  
     */  
    public boolean createProjectFrame(Project project,List<String> tableNames) {  
        if(project == null){  
            return false;  
        }  
        File src = new File(templete);  // 模板项目的位置  
        File ws = new File(workspace);  // work copy  
        if(!ws.exists()){  
            ws.mkdirs();  
        }  
        File dest = new File(workspace + "/" + project.getName());  
        if(!dest.exists()){  
            dest.mkdirs();  
        }  
          
        checkWorkCopy(project); // 确定工作空间  
          
        // 复制模板项目到工作空间  
        try {  
            FileUtils.copyDirectory(src, dest);  
        } catch (IOException e) {  
            logger.error(e.getMessage(), e);  
            return false;  
        }  
          
        //修改.project文件中的内容  
        editProjectFile(project);  
          
        // 生成框架代码  
        xcodeService.createBaseFrameWithDatasource(project,tableNames);   
          
        // 提交到SVN  
        commitProjectToSvn(project);      
          
        return true;  
    }  
      
    /**  
     * 修改项目文件  
     * @param project  
     * @throws DocumentException  
     * @throws IOException  
     */  
    @SuppressWarnings("unchecked")  
    private void editProjectFile(Project project) {  
          
        String pro = workspace + "/" + project.getName() + "/";  
          
        String settings = pro + ".settings/";  
  
        // 1. 修改.settings/org.eclipse.wst.common.component  
        Document document = null;  
        try {  
            document = XmlReaderUtil.getDocument(new File(settings  
                    + "org.eclipse.wst.common.component"));  
        } catch (DocumentException e) {  
            e.printStackTrace();  
        }  
  
        Element root = document.getRootElement();  
  
        root.element("wb-module").attribute("deploy-name")  
                .setValue(project.getName());  
  
        if (root.element("wb-module").element("property").attribute("name")  
                .getValue().equals("java-output-path")) {  
              
            root.element("wb-module").element("property").attribute("value")  
                    .setValue("/" + project.getName() + "/build/classes");  
        }  
  
        Iterator<Element> itr = (Iterator<Element>) XmlReaderUtil.getElements(  
                document, "//wb-module//property").iterator();  
          
        while (itr.hasNext()) {  
            Element element = itr.next();  
            if ("context-root".equals(element.attribute("name").getValue())) {  
                element.attribute("value").setValue("/" + project.getName());  
            }  
        }  
          
        // 将修改后的值写入  
        XmlReaderUtil.writerXml(document, settings  
                + "org.eclipse.wst.common.component");  
  
        // 2. 修改.project  
        try {  
            document = XmlReaderUtil.getDocument(new File(pro + ".project"));  
            XmlReaderUtil.setElementText(document, "//projectDescription",  
                    "name", project.getName());  
            XmlReaderUtil.writerXml(document, pro + ".project");  
        } catch (DocumentException e) {  
            e.printStackTrace();  
        }  
    }  
  
    /**  
     * 从SVN更新项目到work copy  
     * @param project  
     *          Project  
     * @return  
     */  
    public boolean updateProjectFromSvn(Project project) {  
        if(null == project || null == rb.getString("svn.url")){  
            return false;  
        }  
        project.setSvnUrl(rb.getString("svn.url"));  
          
        SVNClientManager clientManager = SVNUtil.authSvn(project.getSvnUrl(), username, password);  
        if (null == clientManager) {  
            logger.error("SVN login error! >>> url:" + project.getSvnUrl()  
                    + " username:" + username + " password:" + password);  
            return false;  
        }  
          
        // 注册一个更新事件处理器  
        clientManager.getCommitClient().setEventHandler(new UpdateEventHandler());  
          
        SVNURL repositoryURL = null;  
        try {  
            // eg: http://svn.ambow.com/wlpt/bsp  
            repositoryURL = SVNURL.parseURIEncoded(project.getSvnUrl()).appendPath("trunk/"+project.getName(), false);  
        } catch (SVNException e) {  
            logger.error(e.getMessage(),e);  
            return false;  
        }  
          
        File ws = new File(new File(workspace), project.getName());  
        if(!SVNWCUtil.isVersionedDirectory(ws)){  
            SVNUtil.checkout(clientManager, repositoryURL, SVNRevision.HEAD, new File(workspace), SVNDepth.INFINITY);  
        }else{  
            SVNUtil.update(clientManager, ws, SVNRevision.HEAD, SVNDepth.INFINITY);  
        }  
        return true;  
    }  
  
    /**  
     * 提交项目到SVN  
     * @param project  
     *          Project  
     * @return  
     */  
    public boolean commitProjectToSvn(Project project) {  
        SVNClientManager clientManager = SVNUtil.authSvn(project.getSvnUrl(), username, password);  
          
        clientManager.getCommitClient().setEventHandler(new CommitEventHandler());  
          
        File wc_project = new File( workspace + "/" + project.getName());  
          
        checkVersiondDirectory(clientManager,wc_project);  
          
        SVNUtil.commit(clientManager, wc_project, false, "svnkit");  
          
        return true;  
    }  
      
    /**  
     * 递归检查不在版本控制的文件,并add到svn  
     * @param clientManager  
     * @param wc  
     */  
    private void checkVersiondDirectory(SVNClientManager clientManager,File wc){  
        if(!SVNWCUtil.isVersionedDirectory(wc)){  
            SVNUtil.addEntry(clientManager, wc);  
        }  
        if(wc.isDirectory()){  
            for(File sub:wc.listFiles()){  
                if(sub.isDirectory() && sub.getName().equals(".svn")){  
                    continue;  
                }  
                checkVersiondDirectory(clientManager,sub);  
            }  
        }  
    }  
      
    private void checkWorkCopy(Project project){  
        project.setSvnUrl(rb.getString("svn.url"));  
        SVNClientManager clientManager = SVNUtil.authSvn(project.getSvnUrl(), username, password);  
          
        SVNURL repositoryURL = null;    // trunk  
        try {  
            // eg: http://svn.ambow.com/wlpt/bsp  
            repositoryURL = SVNURL.parseURIEncoded(project.getSvnUrl())  
                    .appendPath("trunk", false);  
        } catch (SVNException e) {  
            logger.error(e.getMessage(),e);  
        }  
          
        File wc = new File(workspace);  
        File wc_project = new File( workspace + "/" + project.getName());  
          
        SVNURL projectURL = null;   // projectName  
        try {  
            projectURL = repositoryURL.appendPath(project.getName(), false);  
        } catch (SVNException e) {  
            logger.error(e.getMessage(),e);  
        }  
          
        if(!SVNUtil.isWorkingCopy(wc)){  
            if(!SVNUtil.isURLExist(projectURL,username,password)){  
                SVNUtil.checkout(clientManager, repositoryURL, SVNRevision.HEAD, wc, SVNDepth.EMPTY);  
            }else{  
                SVNUtil.checkout(clientManager, projectURL, SVNRevision.HEAD, wc_project, SVNDepth.INFINITY);  
            }  
        }else{  
            SVNUtil.update(clientManager, wc, SVNRevision.HEAD, SVNDepth.INFINITY);  
        }  
    }  
  
}  

 

 

文章主题是svnkit的api操作。所以涉及到其它类的,可以忽略。svnkit有两套api,high level和low level 。high level是操作工作拷贝即working copy的。

 

我这儿用的就是high level。

 

 

checkWorkCopy方法里面,先检查当前指定的路径是否是一个working copy。如果是,执行update操作;

 

如果不是的话,分两种情况:

 

1.  svn上已经有以此project命名的项目,可能svn上有了,但working copy被删了什么的。就将该project  checkout下来;

 

2.  svn上没有该project。此时checkout一个空的东西。SVNDepth.EMPTY,只是让我们的路径成为一个working copy,路径下出现一个.svn目录,svn上面的文件不会被checkout下来。因为我们的svn上可能项目很多。如果把整个上级目录checkout下来会很慢也浪费硬盘空间。

 

用 svnkit 执行commit操作,概况来说,流程如下:

 

1.  保证本地path是一个working copy。 即checkWorkCopy方法

2.  woking copy可能发生添加,更新,删除等变化操作

 

3.  检查working copy里面的文件是否under version control。即checkVersiondDirectory方法

 

4.  执行commit操作

使用svnkit api,纯java操作svn,实现svn提交,更新等操作

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