java使用jgit代码,Css代码库,德仔网

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【Css】 java使用jgit
作者:晶岩 / 发布于2016/6/20/ 1179
用java完成类似tortoiseGit的核心功能
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
 
    <groupId>com.xyan</groupId>
    <artifactId>jgit</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>
 
    <name>jgit</name>
    <url>http://maven.apache.org</url>
 
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
 
    <repositories>
        <repository>
            <id>jgit-repository</id>
            <url>https://repo.eclipse.org/content/groups/releases/</url>
        </repository>
    </repositories>
 
     
    <dependencies>
        <!-- Core Library -->
        <dependency>
            <groupId>org.eclipse.jgit</groupId>
            <artifactId>org.eclipse.jgit</artifactId>
            <version>4.3.1.201605051710-r</version>
        </dependency>
 
        <!-- Smart HTTP Servlet -->
        <dependency>
            <groupId>org.eclipse.jgit</groupId>
            <artifactId>org.eclipse.jgit.http.server</artifactId>
            <version>4.3.1.201605051710-r</version>
        </dependency>
 
        <!-- AWT UI Helpers -->
        <dependency>
            <groupId>org.eclipse.jgit</groupId>
            <artifactId>org.eclipse.jgit.ui</artifactId>
            <version>4.3.1.201605051710-r</version>
        </dependency>
 
    <!-- JUnit Test Support -->
        <dependency>
            <groupId>org.eclipse.jgit</groupId>
            <artifactId>org.eclipse.jgit.junit</artifactId>
            <version>4.3.1.201605051710-r</version>
        </dependency>
    </dependencies>
</project>





package com.xyan.jgit;
 
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
 
import org.eclipse.jgit.api.AddCommand;
import org.eclipse.jgit.api.CheckoutCommand;
import org.eclipse.jgit.api.CloneCommand;
import org.eclipse.jgit.api.CommitCommand;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.ListBranchCommand;
import org.eclipse.jgit.api.ListBranchCommand.ListMode;
import org.eclipse.jgit.api.LogCommand;
import org.eclipse.jgit.api.LsRemoteCommand;
import org.eclipse.jgit.api.PullCommand;
import org.eclipse.jgit.api.PushCommand;
import org.eclipse.jgit.api.RemoteListCommand;
import org.eclipse.jgit.api.StatusCommand;
import org.eclipse.jgit.api.SubmoduleInitCommand;
import org.eclipse.jgit.api.SubmoduleUpdateCommand;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Ref.Storage;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.StoredConfig;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.transport.CredentialsProvider;
import org.eclipse.jgit.transport.PushResult;
import org.eclipse.jgit.transport.RemoteConfig;
import org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider;
 
 
/**
 * java使用jgit
 * <ul>
 *  <li>下载仓库 </li>
 *  <li>更新仓库 </li>
 *  <li>本地提交仓库 </li>
 *  <li>远程提交仓库 </li>
 *  <li>切换分支 </li>
 * </ul>
 * @author wangming
 */
public class App {
 
    public static void main(String[] args) throws Exception {
 
        /*
         * 1.1、 下载主仓
         */
        // cloneRepository("https://github.com/NaNyoyo/yoyo.git","d:\\tmp\\tit3");
        /*
         * 1.2下载子仓
         */
        //cloneSubRepository("d:\\tmp\\tit3", "zicang/新建文件夹");
 
        /*
         * 2、pull（主仓+子仓（部分））
         */
        //pullRepository("d:\\tmp\\tit3");
        //pullSubRepository("d:\\tmp\\tit3","\\zicang/新建文件夹");
 
        /*
         * 3.代码提交（主仓+子仓（部分））
         */
        //commitRepository("d:\\tmp\\tit3", "345.txt","测试体骄傲");
        log("d:\\tmp\\tit3");
        //commitSubRepository("d:\\tmp\\tit3", "\\zicang/新建文件夹", "123/123.txt","你大爷");
 
        /*
         * 4.push（主仓+子仓（部分））
         */
        //pushRepository("d:\\tmp\\tit3");
        //pushSubRepository("d:\\tmp\\tit3","\\zicang/新建文件夹");
         
         
 
        /*
         * 5.切换分支（子仓切）
         */
        //switchBranch("d:\\tmp\\tit3","remotes/origin/master");
        //switchSubhBranch("d:\\tmp\\tit3", "\\zicang/新建文件夹", "remotes/origin/newbranch2");
        //fetchBranch("d:\\tmp\\tit3\\.git\\modules"+"\\zicang/新建文件夹");
        //fetchBranch("d:\\tmp\\tit3");
        //switchLocalBranch("d:\\tmp\\tit3", "");
        //switchBranch("d:\\tmp\\tit2", "branch1");
        //getLocalBranchNames("d:\\tmp\\tit3");
        //getRemoteBranchNames("d:\\tmp\\tit3", "origin");
        //getChangedFiles("d:\\tmp\\tit3");
    }
 
     
    public static void log(String localPath){
        try {
            Git git = Git.open(new File(localPath));
            LogCommand logCommand=git.log();
            Iterable<RevCommit> list=logCommand.call();
            for (RevCommit revCommit : list) {
                System.out.println(revCommit.getFullMessage());
                System.out.println(revCommit.getName());
            }
        }catch(Exception e){
             
        }
    }
     
    public static void getChangedFiles(String localPath){
        try {
            Git git = Git.open(new File(localPath));
            StatusCommand statusCommand=git.status();
            org.eclipse.jgit.api.Status status= statusCommand.call();
            Map<String, Set<String>> result=new HashMap<String, Set<String>>();
            Set<String> addedSet=status.getAdded();
            result.put("added", addedSet);
            Set<String> changedSet=status.getChanged();
            result.put("changed", changedSet);
            Set<String> missSet=status.getMissing();
            result.put("missed", missSet);
            System.out.println(result);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
     
    /**
     * fetch
     * @param localPath
     * @param branch
     * @return
     */
    public static String fetchBranch(String localPath){
        try {
            Git git = Git.open(new File(localPath));
            git.fetch().call();
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
 
    /**
     * 切换分支
     * 首先判断本地是否已有此分支
     * @param localPath 主仓
     * @return
     */
    public static String switchBranch(String localPath, String branch) {
        try {
            Git git = Git.open(new File(localPath));
            String newBranch = branch.substring(branch.lastIndexOf("/")+1,branch.length());
            CheckoutCommand checkoutCommand = git.checkout();
            List<String> list=getLocalBranchNames(localPath);
            if(!list.contains(newBranch)){//如果本地分支
                checkoutCommand.setStartPoint(branch);
                checkoutCommand.setCreateBranch(true);
            }
            checkoutCommand.setName(newBranch);
            checkoutCommand.call();
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
     
     
    /**
     * 切换子仓的分支
     * @param localPath 主仓
     * @param sub 子仓
     * @param branch 分支名
     * @return
     */
    public static String switchSubhBranch(String localPath, String sub,String branch) {
        try {
            Git git = Git.open(new File(localPath+"\\.git\\modules"+sub));
            String newBranch = branch.substring(branch.lastIndexOf("/")+1,branch.length());
            CheckoutCommand checkoutCommand = git.checkout();
            List<String> list=getLocalBranchNames(localPath+"\\.git\\modules"+sub);
            if(!list.contains(newBranch)){//如果本地分支
                checkoutCommand.setStartPoint(branch);
                checkoutCommand.setCreateBranch(true);
                checkoutCommand.setForce(true);
            }
            checkoutCommand.setName(newBranch);
            checkoutCommand.call();
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
     
     
    /**
     * 拿到当前本地分支名
     * @param localPath 主仓
     * @return
     * @throws IOException
     */
    public static String getCurrentBranch(String localPath) throws IOException{
            Git git = Git.open(new File(localPath));
            return git.getRepository().getBranch();
    }
     
    /**
     * 拿到当前远程分支名
     * @param localPath 主仓
     * @return
     * @throws IOException
     */
    public static String getCurrentRemoteBranch(String localPath) throws IOException{
        Git git = Git.open(new File(localPath));
        StoredConfig storedConfig = git.getRepository().getConfig();
        String currentRemote=storedConfig.getString("branch",getCurrentBranch(localPath), "remote");
        return currentRemote;
    }
     
     
    /**
     * 获取所有远程
     * @param localPath 主仓
     * @return
     * @throws IOException
     * @throws GitAPIException
     */
    public static List<String> getRemotes(String localPath) throws IOException, GitAPIException{
        Git git = Git.open(new File(localPath));
        RemoteListCommand remoteListCommand=git.remoteList();
        List<RemoteConfig> list=remoteListCommand.call();
        List<String> result=new LinkedList<String>();
        for (RemoteConfig remoteConfig : list) {
            result.add(remoteConfig.getName());
        }
        return result;
    }
     
     
    /**
     * 获取本地所有分支名
     * @param localPath
     * @return
     * @throws IOException
     */
    public static List<String> getLocalBranchNames(String localPath) throws IOException{
        List<String> result=new LinkedList<String>();
        Git git = Git.open(new File(localPath));
        Map<String, Ref> map=git.getRepository().getAllRefs();
        Set<String> keys=map.keySet();
        for (String str : keys) {
            if(str.indexOf("refs/heads")>-1){
                String el=str.substring(str.lastIndexOf("/")+1, str.length());
                result.add(el);
            }
        }
        return result;
    }
     
    /**
     * 根据名称获取所有远程分支
     * @param localPath 主仓
     * @param name 远程名字
     * @return
     * @throws IOException
     */
    public static List<String> getRemoteBranchNames(String localPath,String remote) throws IOException{
        List<String> result=new LinkedList<String>();
        Git git = Git.open(new File(localPath));
        Map<String, Ref> map=git.getRepository().getAllRefs();
        Set<String> keys=map.keySet();
        String index="refs/remotes/"+remote;
        for (String str : keys) {
            if(str.indexOf(index)>-1){
                //String el=str.substring(str.lastIndexOf("/")+1, str.length());
                result.add(str);
                System.out.println(str);
            }
        }
        return result;
    }
     
     
    /**
     * 切换本地分支
     * @param localPath
     * @param branch
     * @return
     */
    public static String switchLocalBranch(String localPath, String branch){
        try {
            Git git = Git.open(new File(localPath));
            Repository repository=git.getRepository();
            ListBranchCommand listBranchCommand=git.branchList();
            List<Ref> ll=listBranchCommand.setListMode(ListMode.ALL).call();
            for (Ref ref : ll) {
                System.out.println(ref.getObjectId().toString());
            }
             
            System.out.println(">>>>>>>>>>>>>>>>>>>>");
            RemoteListCommand remoteListCommand=git.remoteList();
            List<RemoteConfig> list=remoteListCommand.call();
            for (RemoteConfig remoteConfig : list) {
                System.out.println(remoteConfig.getName());
            }
             
            System.out.println(">>>>>>>>>>>>>>>>>>>");
            //得到仓库本地分支
            String currentbranch=repository.getBranch();
             
            LsRemoteCommand lsRemoteCommand=git.lsRemoteRepository();
            Collection<Ref> collection=lsRemoteCommand.call();
            for (Ref ref : collection) {
                System.out.println(ref.getName());
            }
             
            System.out.println(">>>>>>>>>>>>>>>>>>>>");
            Map<String, Ref> map=repository.getAllRefs();
            Set<String> keys=map.keySet();
            for (String string : keys) {
                System.out.println(string);
            }
            System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
            Collection<Ref> values=map.values();
            for (Ref ref : values) {
                Storage storage=ref.getStorage();
                System.out.println(ref.getName());
            }
            System.out.println(">>>>>>>>>>>>>>>>>>>");
             
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
    /**
     * push到远程仓库
     * @param string
     * @param string2
     * @param string3
     * @return
     */
    public static String pushRepository(String localPath) {
        try {
            Git git = Git.open(new File(localPath));
            PushCommand pushCommand = git.push();
            CredentialsProvider credentialsProvider = new UsernamePasswordCredentialsProvider(
                    "15862663403@163.com", "yoyosd619");
            pushCommand.setCredentialsProvider(credentialsProvider);
            // pushCommand.add(fileNames);
            pushCommand.setForce(true).setPushAll();
            Iterable<PushResult> iterable = pushCommand.call();
            for (PushResult pushResult : iterable) {
                System.out.println(pushResult.toString());
            }
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
 
    /**
     * 远程提交子仓
     * @param localPath 主仓
     * @param sub 子仓
     * @return
     */
    public static String  pushSubRepository(String localPath, String sub) {
        try {
            String newPath = localPath + "\\.git\\modules";
            Git git = Git.open(new File(newPath + sub));
            PushCommand pushCommand = git.push();
            CredentialsProvider credentialsProvider = new UsernamePasswordCredentialsProvider(
                    "15862663403@163.com", "yoyosd619");
            pushCommand.setCredentialsProvider(credentialsProvider);
            pushCommand.setForce(true).setPushAll();
            Iterable<PushResult> iterable = pushCommand.call();
            for (PushResult pushResult : iterable) {
                System.out.println(pushResult.toString());
            }
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
     
    /**
     * 提交本地代码
     * @param localPath 主仓
     * @param fileNames 文件名集合
     * @param message 备注
     * @return
     */
    public static String commitRepository(String localPath, String fileNames,
            String message) {
        try {
            Git git = Git.open(new File(localPath));
            AddCommand addCommand = git.add();
            String[] fileArr = fileNames.split(",");
            for (String file : fileArr) {
                addCommand.addFilepattern(file);
            }
            addCommand.call();
            CommitCommand commitCommand = git.commit();
            commitCommand.setMessage(message);
            commitCommand.setAllowEmpty(true);
            commitCommand.call();
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
 
    /**
     * @param localPath 主仓
     * @param sub 子仓 
     * @param fileNames 文件名
     * @param message 消息
     * @return
     */
    public static String commitSubRepository(String localPath, String sub,
            String fileNames, String message) {
        try {
            String newPath = localPath + "\\.git\\modules";
            Git git = Git.open(new File(newPath + sub));
 
            AddCommand addCommand = git.add();
            String[] fileArr = fileNames.split(",");
            for (String file : fileArr) {
                addCommand.addFilepattern(file);
            }
            addCommand.call();
            CommitCommand commitCommand = git.commit();
            commitCommand.setMessage(message);
            commitCommand.setAllowEmpty(true);
            commitCommand.call();
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
 
    /**
     * 更新主仓
     * @param localPath 主仓
     * @return
     */
    public static String pullRepository(String localPath) {
        try {
            Git git = Git.open(new File(localPath));
            PullCommand pullCommand = git.pull();
            pullCommand.call();
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
 
    /**
     * 更新子仓
     * @param sub  子仓名，多个时用，隔开
     * @param localPath 主仓
     * @return
     */
    public static String pullSubRepository(String localPath, String sub) {
        try {
            String newPath = localPath + "\\.git\\modules";
            String[] subArr = sub.split(",");
            for (String path : subArr) {
                Git git = Git.open(new File(newPath + path));
                PullCommand pullCommand = git.pull();
                pullCommand.call();
            }
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
 
    /**
     * 下载仓库
     * @param url 远程url
     * @param localPath 本地主仓路径
     */
    public static String cloneRepository(String url, String localPath) {
        try {
            System.out.println("开始下载主仓。。。");
            CloneCommand cloneCommand = Git.cloneRepository().setURI(url);
            cloneCommand.setDirectory(new File(localPath)).call();
            System.out.println("主仓下载完成。。。");
            return "";
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
 
    /**
     * 下载子仓
     * @param localPath 主仓
     * @param sub 子仓
     * @return
     */
    public static String cloneSubRepository(String localPath, String sub) {
        try {
            File zicang=new File(localPath+"\\.git\\modules\\"+sub);
            if(zicang.exists()){
                deleteDir(zicang);
            }
            Git git = Git.open(new File(localPath));
            System.out.println("开始下载子仓。。。");
            SubmoduleInitCommand submoduleInit = git.submoduleInit();
            SubmoduleUpdateCommand submoduleUpdate = git.submoduleUpdate();
            String[] submoduleArr = sub.split(",");
            for (String s : submoduleArr) {
                System.out.println("准备下载子仓：" + s);
                submoduleInit.addPath(s);
                submoduleUpdate.addPath(s);
            }
            submoduleInit.call();
            submoduleUpdate.call();
            System.out.println("子仓下载完成。。。");
            return "";
        } catch (Exception e) {
            e.printStackTrace();
            return e.getMessage();
        }
 
    }
     
    private static boolean deleteDir(File dir) {
        if (dir.isDirectory()) {
            String[] children = dir.list();
            for (int i=0; i<children.length; i++) {
                boolean success = deleteDir(new File(dir, children[i]));
                if (!success) {
                    return false;
                }
            }
        }
        // 目录此时为空，可以删除
        return dir.delete();
    }
}
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