分享一个项目中用到的日志统计并提交服务器的日志工具类.
通过过得当前app的PID，采用命令行的方式实用logcat工具过滤日志。
源码如下：
项目地址：http://code.google.com/p/andutils/
001package org.and.util;
002
003import java.io.BufferedReader;
004import java.io.File;
005import java.io.FileNotFoundException;
006import java.io.FileOutputStream;
007import java.io.IOException;
008import java.io.InputStreamReader;
009import java.util.ArrayList;
010import java.util.List;
011
012import android.content.Context;
013import android.os.Environment;
014
015
016/**
017 * TODO: log日志统计保存、上传-工具类
018 *
019 * @author hljdrl@gmail.com
020
021 * @date 2012-8-27 上午11:43:52
022
023 */
024
025public class LogcatHelper {
026
027 private static LogcatHelper INSTANCE = null;
028
029 private static String PATH_LOGCAT ;
030
031 private LogDumper mLogDumper = null;
032
033 private Context mContext;
034
035 private int mPId;
036
037 /**
038
039 * 初始化目录
040
041 * */
042
043 public static void init(Context context)
044
045 {
046
047 StringBuffer LogPath = new StringBuffer();
048
049 LogPath.append(Environment.getExternalStorageDirectory());
050
051 LogPath.append("/Android/data/");
052
053 LogPath.append(context.getPackageName()).append("/");
054
055 LogPath.append("logs").append("/");
056
057 PATH_LOGCAT = LogPath.toString();
058
059 //
060
061File file =new File(PATH_LOGCAT);
062
063if(!file.exists()){
064
065file.mkdirs();
066
067}
068
069 }
070
071 public static LogcatHelper getInstance(Context context)
072
073 {
074
075 if(INSTANCE == null){
076
077 INSTANCE = new LogcatHelper(context);
078
079 }
080
081 return INSTANCE;
082
083 }
084
085 private LogcatHelper(Context context) {
086
087 mContext = context;
088
089 mPId = android.os.Process.myPid();
090
091}
092
093public void start() {
094
095if(mLogDumper==null){
096
097mLogDumper = new LogDumper(String.valueOf(mPId),PATH_LOGCAT);
098
099mLogDumper.start();
100
101}
102
103}
104
105public void stop()
106
107{
108
109if(mLogDumper!=null){
110
111mLogDumper.stopLogs();
112
113mLogDumper = null;
114
115}
116
117}
118
119public void sendLogMessage(Context context,String user)
120
121{
122
123if(mLogDumper!=null){
124
125mLogDumper.setLogFileLock(true);
126
127String file = mLogDumper.getLogFileName();
128
129File sendFile = new File(file);
130
131if(sendFile.exists() && sendFile.length()>2000){
132
133try{
134
135EmailHelper.sendMail(context, user, file);
136
137}catch(Exception ex){
138
139ex.printStackTrace();
140
141}
142
143File newFile = new File(file);
144
145try {
146
147newFile.createNewFile();
148
149} catch (IOException e) {
150
151e.printStackTrace();
152
153}
154
155}
156
157mLogDumper.setLogFileLock(false);
158
159}
160
161}
162
163private class LogDumper extends Thread{
164
165String fileName;
166
167private Process logcatProc;
168
169 private BufferedReader mReader = null;
170
171private boolean mRunning = false;
172
173String cmds=null;
174
175private final String mPID;
176
177private FileOutputStream out = null;
178
179private List logsMessage = new ArrayList();
180
181private boolean mLogFileLock = false;
182
183private String logFileName;
184
185public void setLogFileLock(boolean lock){
186
187mLogFileLock = lock;
188
189}
190
191public boolean isLogFileLock()
192
193{
194
195return mLogFileLock;
196
197}
198
199public LogDumper(String pid,String file) {
200
201mPID = String.valueOf(pid);
202
203fileName = file;
204
205File mFile = new File(fileName,"error.txt");
206
207if(!mFile.exists()){
208
209try {
210
211mFile.createNewFile();
212
213} catch (IOException e) {
214
215e.printStackTrace();
216
217}
218
219}
220
221try {
222
223logFileName = mFile.toString();
224
225out = new FileOutputStream(mFile,true);
226
227} catch (FileNotFoundException e) {
228
229e.printStackTrace();
230
231}
232
233/**
234
235* 日志等级：*:v , *:d , *:w , *:e , *:f , *:s
236
237* 显示当前mPID程序的 E和W等级的日志.
238
239* */
240
241cmds ="logcat *:e *:w | grep \"("+mPID+")\"";
242
243}
244
245public String getLogFileName()
246
247{
248
249return logFileName;
250
251}
252
253public void stopLogs() {
254
255mRunning = false;
256
257}
258
259private boolean checkFileMaxSize(String file){
260
261File sizefile = new File(file);
262
263if(sizefile.exists()){
264
265//1.5MB
266
267if(sizefile.length()>1572864){
268
269return true;
270
271}
272
273else {
274
275return false;
276
277}
278
279}else {
280
281return false;
282
283}
284
285}
286
287
288
289@Override
290
291public void run() {
292
293System.out.println("LogCatHelper'");
294
295mRunning = true;
296
297try {
298
299logcatProc = Runtime.getRuntime()
300
301.exec(cmds);
302
303
304
305mReader = new BufferedReader(new InputStreamReader(
306
307logcatProc.getInputStream()), 1024);
308
309String line = null;
310
311while (mRunning && (line = mReader.readLine()) != null) {
312
313if (!mRunning) {
314
315break;
316
317}
318
319if (line.length() == 0) {
320
321continue;
322
323}
324
325synchronized (out) {
326
327if (out != null) {
328
329boolean maxSize = checkFileMaxSize(getLogFileName());
330
331if(maxSize){
332
333//文件大小超过1.5mb
334
335sendLogMessage(mContext, DeviceHelper.getInstance(mContext).getImei());
336
337}
338
339if (isLogFileLock()) {
340
341if(line.contains(mPID)){
342
343logsMessage.add(line.getBytes() + "\n");
344
345}
346
347} else {
348
349if(logsMessage.size()>0){
350
351for(String _log:logsMessage){
352
353out.write(_log.getBytes());
354
355}
356
357logsMessage.clear();
358
359}
360
361/**
362
363* 再次过滤日志，筛选当前日志中有 mPID 则是当前程序的日志.
364
365* */
366
367if(line.contains(mPID)){
368
369out.write(line.getBytes());
370
371out.write("\n".getBytes());
372
373}
374
375}
376
377}
378
379}
380
381
382
383}
384
385} catch (IOException e) {
386
387e.printStackTrace();
388
389return;
390
391} finally {
392
393if (logcatProc != null) {
394
395logcatProc.destroy();
396
397logcatProc = null;
398
399}
400
401if (mReader != null) {
402
403try {
404
405mReader.close();
406
407mReader = null;
408
409} catch (IOException e) {
410
411e.printStackTrace();
412
413}
414
415}
416
417if(out!=null){
418
419try {
420
421out.close();
422
423} catch (IOException e) {
424
425e.printStackTrace();
426
427}
428
429out = null;
430
431}
432
433}
434
435}
436
437}
438
439
440
441}
