使用svnkit对svn新增代码统计、代码查询

引入包：svnkit

https://mvnrepository.com/artifact/org.tmatesoft.svnkit/svnkit

<!-- https://mvnrepository.com/artifact/org.tmatesoft.svnkit/svnkit -->
<dependency>
    <groupId>org.tmatesoft.svnkit</groupId>
    <artifactId>svnkit</artifactId>
    <version>1.8.14</version>
</dependency>

代码demo

package com.yy.svn;import java.io.BufferedReader;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileOutputStream;import java.io.FileReader;import java.io.IOException;import java.io.OutputStream;import java.nio.charset.Charset;import java.util.ArrayList;import java.util.Collection;import java.util.Date;import java.util.List;import java.util.Map;import java.util.Random;import java.util.Set;import org.tmatesoft.svn.core.ISVNLogEntryHandler;import org.tmatesoft.svn.core.SVNDirEntry;import org.tmatesoft.svn.core.SVNException;import org.tmatesoft.svn.core.SVNLogEntry;import org.tmatesoft.svn.core.SVNLogEntryPath;import org.tmatesoft.svn.core.SVNNodeKind;import org.tmatesoft.svn.core.SVNProperties;import org.tmatesoft.svn.core.SVNURL;import org.tmatesoft.svn.core.auth.ISVNAuthenticationManager;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.SVNDiffClient;import org.tmatesoft.svn.core.wc.SVNLogClient;import org.tmatesoft.svn.core.wc.SVNRevision;import org.tmatesoft.svn.core.wc.SVNWCUtil;public class SvnkitDemo {private String userName = "user";private String password = "password";private String urlString = "svn url";boolean readonly = true;private String tempDir = System.getProperty("java.io.tmpdir");private DefaultSVNOptions options = SVNWCUtil.createDefaultOptions( readonly );private Random random = new Random();private SVNRepository repos;private ISVNAuthenticationManager authManager;public SvnkitDemo() {try {init();} catch (SVNException e) {// TODO Auto-generated catch blocke.printStackTrace();}}public void init() throws SVNException{ISVNAuthenticationManager authManager = SVNWCUtil.createDefaultAuthenticationManager(new File(tempDir+"/auth"), userName, password.toCharArray());options.setDiffCommand("-x -w");repos = SVNRepositoryFactory.create(SVNURL                .parseURIEncoded(urlString));repos.setAuthenticationManager(authManager);System.out.println("init completed");}/**获取一段时间内，所有的commit记录 * @param st开始时间 * @param et结束时间 * @return * @throws SVNException */public SVNLogEntry[] getLogByTime(Date st, Date et) throws SVNException{long startRevision = repos.getDatedRevision(st);        long endRevision = repos.getDatedRevision(et);                @SuppressWarnings("unchecked")Collection<SVNLogEntry> logEntries = repos.log(new String[]{""}, null,                startRevision, endRevision, true, true);        SVNLogEntry[] svnLogEntries = logEntries.toArray(new SVNLogEntry[0]);        return svnLogEntries;}/**获取版本比较日志，并存入临时文件 * @param startVersion * @param endVersion * @return * @throws SVNException * @throws IOException */public File getChangeLog(long startVersion, long endVersion) throws SVNException, IOException{SVNDiffClient diffClient = new SVNDiffClient(authManager, options);diffClient.setGitDiffFormat(true);File tempLogFile = null;OutputStream outputStream = null;        String svnDiffFile = null;                do {        svnDiffFile = tempDir + "/svn_diff_file_"+startVersion+"_"+endVersion+"_"+random.nextInt(10000)+".txt";        tempLogFile = new File(svnDiffFile);} while (tempLogFile != null && tempLogFile.exists());        try {        tempLogFile.createNewFile();        outputStream = new FileOutputStream(svnDiffFile);diffClient.doDiff(SVNURL.parseURIEncoded(urlString),                SVNRevision.create(startVersion),                SVNURL.parseURIEncoded(urlString),                SVNRevision.create(endVersion),                org.tmatesoft.svn.core.SVNDepth.UNKNOWN, true, outputStream);} catch (Exception e) {e.printStackTrace();}finally {if(outputStream!=null)try {outputStream.close();} catch (IOException e) {e.printStackTrace();}}           return tempLogFile;}/**分析变更的代码，统计代码增量     * @param file     * @return     * @throws Exception     */    public int staticticsCodeAdd(File file) throws Exception{    System.out.println("开始统计修改代码行数");    FileReader fileReader = new FileReader(file);BufferedReader in = new BufferedReader(fileReader);int sum = 0;String line = null;StringBuffer buffer = new StringBuffer(1024);boolean start = false;while((line=in.readLine()) != null){if(line.startsWith("Index:")){if(start){ChangeFile changeFile = parseChangeFile(buffer);int oneSize = staticOneFileChange(changeFile);System.out.println("filePath="+changeFile.getFilePath()+"  changeType="+changeFile.getChangeType()+"  addLines="+oneSize);sum += oneSize;buffer.setLength(0);}start = true;}buffer.append(line).append('\n');}if(buffer.length() > 0){ChangeFile changeFile = parseChangeFile(buffer);int oneSize = staticOneFileChange(changeFile);System.out.println("filePath="+changeFile.getFilePath()+"  changeType="+changeFile.getChangeType()+"  addLines="+oneSize);sum += oneSize;}in.close();fileReader.close();boolean deleteFile = file.delete();System.out.println("-----delete file-----"+deleteFile);return sum;}        /**统计单个文件的增加行数，（先通过过滤器，如文件后缀、文件路径等等），也可根据修改类型来统计等，这里只统计增加或者修改的文件     * @param changeFile     * @return     */    public int staticOneFileChange(ChangeFile changeFile){    char changeType = changeFile.getChangeType();    if(changeType == 'A'){    return countAddLine(changeFile.getFileContent());    }else if(changeType == 'M'){return countAddLine(changeFile.getFileContent());}    return 0;    }/**解析单个文件变更日志 * @param str * @return */public ChangeFile parseChangeFile(StringBuffer str){int index = str.indexOf("\n@@");if(index > 0){String header = str.substring(0, index);String[] headers = header.split("\n");String filePath = headers[0].substring(7);char changeType = 'U';boolean oldExist = !headers[2].endsWith("(nonexistent)");boolean newExist = !headers[3].endsWith("(nonexistent)");if(oldExist && !newExist){changeType = 'D';}else if(!oldExist && newExist){changeType = 'A';}else if(oldExist && newExist){changeType = 'M';}int bodyIndex = str.indexOf("@@\n")+3;String body = str.substring(bodyIndex);ChangeFile changeFile = new ChangeFile(filePath, changeType, body);return changeFile;}else{String[] headers = str.toString().split("\n");String filePath = headers[0].substring(7);ChangeFile changeFile = new ChangeFile(filePath, 'U', null);return changeFile;}}/**通过比较日志，统计以+号开头的非空行 * @param content * @return */public int countAddLine(String content){int sum = 0;if(content !=null){content = '\n' + content +'\n';char[] chars = content.toCharArray();int len = chars.length;//判断当前行是否以+号开头boolean startPlus = false;//判断当前行，是否为空行（忽略第一个字符为加号）boolean notSpace = false;for(int i=0;i<len;i++){char ch = chars[i];if(ch =='\n'){//当当前行是+号开头，同时其它字符都不为空，则行数+1if(startPlus && notSpace){sum++;notSpace = false;}//为下一行做准备，判断下一行是否以+头if(i < len-1 && chars[i+1] == '+'){startPlus = true;//跳过下一个字符判断，因为已经判断了i++;}else{startPlus = false;}}else if(startPlus && ch > ' '){//如果当前行以+开头才进行非空行判断notSpace = true;}}}return sum;}/**统计一段时间内代码增加量 * @param st * @param et * @return * @throws Exception */public int staticticsCodeAddByTime(Date st, Date et) throws Exception{int sum = 0;SVNLogEntry[] logs = getLogByTime(st, et);if(logs.length > 0){long lastVersion = logs[0].getRevision()-1;for(SVNLogEntry log:logs){File logFile = getChangeLog(lastVersion, log.getRevision());int addSize = staticticsCodeAdd(logFile);sum+=addSize;lastVersion = log.getRevision();}}return sum;}/**获取某一版本有变动的文件路径 * @param version * @return * @throws SVNException */public List<SVNLogEntryPath> getChangeFileList(long version) throws SVNException{List<SVNLogEntryPath> result = new ArrayList<>();SVNLogClient logClient = new SVNLogClient( authManager, options );SVNURL url = SVNURL.parseURIEncoded(urlString);String[] paths = { "." };SVNRevision pegRevision = SVNRevision.create( version );    SVNRevision startRevision = SVNRevision.create( version );    SVNRevision endRevision = SVNRevision.create( version );boolean stopOnCopy = false;    boolean discoverChangedPaths = true;    long limit = 9999l;ISVNLogEntryHandler handler = new ISVNLogEntryHandler() {        /**         * This method will process when doLog() is done         */        @Override        public void handleLogEntry( SVNLogEntry logEntry ) throws SVNException {            System.out.println( "Author: " + logEntry.getAuthor() );            System.out.println( "Date: " + logEntry.getDate() );            System.out.println( "Message: " + logEntry.getMessage() );            System.out.println( "Revision: " + logEntry.getRevision() );            System.out.println("-------------------------");            Map<String, SVNLogEntryPath> maps = logEntry.getChangedPaths();            Set<Map.Entry<String, SVNLogEntryPath>> entries = maps.entrySet();            for(Map.Entry<String, SVNLogEntryPath> entry : entries){            //System.out.println(entry.getKey());            SVNLogEntryPath entryPath = entry.getValue();            result.add(entryPath);            System.out.println(entryPath.getType()+" "+entryPath.getPath());            }        }    }; // Do log    try {        logClient.doLog( url, paths, pegRevision, startRevision, endRevision, stopOnCopy, discoverChangedPaths, limit, handler );    }    catch ( SVNException e ) {        System.out.println( "Error in doLog() " );        e.printStackTrace();    }    return result;}/**获取指定文件内容 * @param urlsvn地址 * @return */public String checkoutFileToString(String url){//"", -1, null           try {              SVNDirEntry entry = repos.getDir("", -1, false, null);              int size = (int)entry.getSize();              ByteArrayOutputStream outputStream = new ByteArrayOutputStream(size);              SVNProperties properties = new SVNProperties();              repos.getFile("", -1, properties, outputStream);              String doc = new String(outputStream.toByteArray(),Charset.forName("utf-8"));              return doc;          } catch (SVNException e) {              e.printStackTrace();          }          return null;      }/**列出指定SVN 地址目录下的子目录      * @param url      * @return      * @throws SVNException      */      public List<SVNDirEntry> listFolder(String url){          if(checkPath(url)==1){                             try {                  Collection<SVNDirEntry> list = repos.getDir("", -1, null, (List<SVNDirEntry>)null);                  List<SVNDirEntry> dirs = new ArrayList<SVNDirEntry>(list.size());                  dirs.addAll(list);                  return dirs;              } catch (SVNException e) {                  e.printStackTrace();             }            }          return null;      }         /**检查路径是否存在      * @param url      * @return 1：存在    0：不存在   -1：出错      */      public int checkPath(String url){            SVNNodeKind nodeKind;          try {              nodeKind = repos.checkPath("", -1);              boolean result = nodeKind == SVNNodeKind.NONE ? false : true;              if(result) return 1;          } catch (SVNException e) {              e.printStackTrace();            return -1;          }          return 0;      }public static void main(String[] args) {SvnkitDemo demo = new SvnkitDemo();Date now = new Date();Date twoDayAgo = new Date(now.getTime()-2*24*3600000);try {//int sum = demo.staticticsCodeAddByTime(now, twoDayAgo);//System.out.println("sum="+sum);demo.getChangeFileList(487837L);} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}}class ChangeFile {private String filePath;private String fileType;/**A表示增加文件，M表示修改文件，D表示删除文件，U表示末知 *  */private Character changeType;private String fileContent;public ChangeFile() {}public ChangeFile(String filePath) {this.filePath = filePath;this.fileType = getFileTypeFromPath(filePath);}public ChangeFile(String filePath, Character changeType, String fileContent) {this.filePath = filePath;this.changeType = changeType;this.fileContent = fileContent;this.fileType = getFileTypeFromPath(filePath);}public String getFilePath() {return filePath;}public void setFilePath(String filePath) {this.filePath = filePath;}public String getFileType() {return fileType;}public void setFileType(String fileType) {this.fileType = fileType;}public Character getChangeType() {return changeType;}public void setChangeType(Character changeType) {this.changeType = changeType;}public String getFileContent() {return fileContent;}public void setFileContent(String fileContent) {this.fileContent = fileContent;}    private static String getFileTypeFromPath(String path) {        String FileType = "";        int idx = path.lastIndexOf(".");        if (idx > -1) {            FileType = path.substring(idx + 1).trim().toLowerCase();        }        return FileType;    }}