statgit反编译源码

package com.asiainfo.stat.git; import com.asiainfo.service.IGitService; import com.asiainfo.stat.vo.StatData; import com.asiainfo.stat.vo.StatParam; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.io.PrintStream; import java.io.SequenceInputStream; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Collections; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import java.util.Stack; import java.util.regex.MatchResult; import java.util.regex.Matcher; import java.util.regex.Pattern; import net.sf.json.JSONArray; import net.sf.json.JSONObject; import net.sf.json.JsonConfig; import net.sf.json.util.CycleDetectionStrategy; import org.springframework.stereotype.Service; @Service public class GitStat implements IGitService { private Pattern pat = Pattern.compile("(\\d+)\\s(\\d+)\\s"); public JSONArray stat(String method, String startDate, String endDate, String author, String gitRoot) throws Exception { Stack<String> result = multiCmdExec(method, startDate, endDate, author, gitRoot); StatParam statParam = calcDays(method, startDate, endDate); boolean start = true; long add = 0L;long del = 0L;long num = 0L; Map<String, StatData> stat = new HashMap(); StatData sd = new StatData(); while (!result.empty()) { String line = (String)result.pop(); Matcher m = this.pat.matcher(line); if (m.find()) { MatchResult mr = m.toMatchResult(); add += Long.parseLong(mr.group(1)); del += Long.parseLong(mr.group(2)); num += 1L; } else { String[] infos = line.split(";"); String name = infos[0]; String date = infos[1]; sd.setName(name); sd.setAdd(add); sd.setDel(del); sd.setFile(num); sd.setFirst(date); sd.setLast(date); sd.initDetail(new Long(statParam.getDays()).intValue()); sd.setDetail(statParam.calcDays(date), add, del); if (stat.containsKey(name)) { StatData msd = (StatData)stat.get(name); stat.put(name, msd.addData(sd)); } else { stat.put(name, sd); } add = 0L; del = 0L; num = 0L; sd = new StatData(); } } List<StatData> gsd = new ArrayList(); for (Iterator<String> it = stat.keySet().iterator(); it.hasNext();) { String name = (String)it.next(); StatData msd = (StatData)stat.get(name); gsd.add(msd); } Collections.sort(gsd); JSONArray sdArray = new JSONArray(); JsonConfig config = new JsonConfig(); config.setIgnoreDefaultExcludes(false); config.setCycleDetectionStrategy(CycleDetectionStrategy.LENIENT); config.setExcludes(new String[] { "days" }); for (StatData msd : gsd) { JSONObject md = JSONObject.fromObject(msd); sdArray.add(md); } return sdArray; } private StatParam calcDays(String method, String startDate, String endDate) throws ParseException { StatParam sp = new StatParam(); long days = 0L; Date startTime = null; Date lastTime = null; Calendar cur = Calendar.getInstance(); switch (Integer.parseInt(method)) { case 0: SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); startTime = sdf.parse(startDate); lastTime = sdf.parse(endDate); days = (lastTime.getTime() - startTime.getTime()) / 86400000L; days += 1L; break; case 1: lastTime = cur.getTime(); cur.add(5, -1); startTime = cur.getTime(); days = 1L; break; case 2: lastTime = cur.getTime(); cur.add(5, -7); startTime = cur.getTime(); days = 7L; break; case 3: Date today = new Date(); lastTime = cur.getTime(); cur.add(2, -1); startTime = cur.getTime(); days = (lastTime.getTime() - startTime.getTime()) / 86400000L; break; } sp.setStartDate(startTime); sp.setEndDate(lastTime); sp.setDays(days); return sp; } private Stack<String> multiCmdExec(String method, String startDate, String endDate, String author, String gitRoot) throws IOException { Stack<String> s = new Stack(); String since = null; String until = null; String committer = null; switch (Integer.parseInt(method)) { case 0: since = startDate; until = endDate; break; case 1: since = "1.day.ago"; break; case 2: since = "1.week.ago"; break; case 3: since = "1.month.ago"; break; } String cmd = "git log --pretty=format:\"%cn;%ad;%d\" --numstat --date=iso --since=" + since; cmd = cmd + ((until != null) && (!until.equals("")) ? " --until=" + until : ""); System.out.println("cmd=>" + cmd); gitRoot = gitRoot.replaceAll("//", File.separator); gitRoot = gitRoot.replaceAll("\\\\", "\\" + File.separator); try { Process process = null; String os = System.getProperty("os.name"); if (os.toLowerCase().startsWith("win")) { process = Runtime.getRuntime().exec("cmd", null, new File(gitRoot)); } else { process = Runtime.getRuntime().exec("sh", null, new File(gitRoot)); } SequenceInputStream sis = new SequenceInputStream(process.getInputStream(), process.getErrorStream()); InputStreamReader isr = new InputStreamReader(sis, "utf-8"); BufferedReader br = new BufferedReader(isr); OutputStreamWriter osw = new OutputStreamWriter(process.getOutputStream()); BufferedWriter bw = new BufferedWriter(osw); bw.write(cmd); bw.newLine(); bw.flush(); bw.close(); osw.close(); String line = null; String mid = null; boolean r = false; while (null != (line = br.readLine())) { if (!line.startsWith("-")) { Matcher m = this.pat.matcher(line); if (m.find()) { if ((mid != null) && (!r)) { s.add(mid.replace(" +0800", "")); } s.add(line); r = true; } else { if (r) { r = false; }