/***************************************************************************
* Copyright 2004-2006 The VietSpider Studio All rights reserved. *
**************************************************************************/
package org.vietspider.ui.services;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.vietspider.common.io.ExceptionWriter;
import org.vietspider.common.io.UtilFile;
import org.vietspider.common.io.ExceptionWriter.TraceObject;
/**
* @by thuannd (nhudinhthuan@yahoo.com)
* Jun 26, 2005
*/
public final class ClientLog {
private boolean print = true;
private ExceptionWriter writer;
private static ClientLog LOG;
public static ClientLog getInstance() {
if(LOG == null) LOG = new ClientLog();
return LOG;
}
public ClientLog() {
print = "true".equals(System.getProperty("vietspider.test"));
writer = new ExceptionWriter("client/logs");
new Thread(writer).start();
new Thread(new CleanData()).start();
}
public void setException(Object obj, Exception exp) {
if(exp == null) return;
if(print) exp.printStackTrace();
writer.put(new TraceObject(null, exp, null));
if(obj == null || exp instanceof NullPointerException) return;
Shell shell = (Shell) obj;
MessageBox messageBox = new MessageBox(shell, SWT.OK);
if(exp.getMessage() != null) {
messageBox.setMessage(exp.getMessage());
} else {
messageBox.setMessage(exp.toString());
}
messageBox.open();
}
public void setMessage(Object obj, Exception exp) {
if(exp == null) return;
if(exp instanceof NullPointerException) {
exp.printStackTrace();
}
String [] elements = new String[2];
StackTraceElement[] traceElements = exp.getStackTrace();
for(StackTraceElement trackElement : traceElements) {
String track = trackElement.toString();
// System.out.println(value);
if(track.indexOf("vietspider") > -1) {
elements[0] = track;
break;
}
}
elements[1] = exp.getMessage();
if(elements[1] == null
|| elements[1].trim().isEmpty()) elements[1] = exp.toString();
// new Exception().printStackTrace();
if(print) {
for(String element : elements) {
if(element == null) continue;
System.out.println(element);
}
}
if(obj == null) return;
Shell shell = (Shell) obj;
MessageBox messageBox = new MessageBox(shell, SWT.OK);
if(elements[1] != null) messageBox.setMessage(elements[1]);
messageBox.open();
}
//new ClientProperties().getProperties()
public void showMessage(Shell shell, Class<?> owner, String key) {
MessageBox message = new MessageBox(shell, SWT.YES );
try {
ClientRM resources = new ClientRM(owner.getSimpleName());
message.setMessage(resources.getLabel(key));
message.open();
} catch (Exception e) {
setMessage(shell, e);
}
}
public static class CleanData implements Runnable {
public void run() {
while(true) {
try {
delele(UtilFile.getFolder("client/logs"), 10);
Thread.sleep(12000);
}catch (Exception exp) {
exp.printStackTrace();
}
}
}
public void delele(File folder, int expire){
File [] files = UtilFile.listFiles(folder);
try{
delete(files, expire);
}catch(Exception exp){
exp.printStackTrace();
}
}
private void delete(File [] files, int expire) throws Exception {
if(files == null) return;
List<File> deletes = new ArrayList<File>();
for(int i = 0; i < files.length; i++) {
if(files[i].isFile() && files[i].length() < 2){
files[i].delete();
continue;
}
if(files[i].isDirectory()){
File [] listDir = files[i].listFiles();
if(listDir == null || listDir.length < 1){
files[i].delete();
continue;
}
}
deletes.add(files[i]);
}
for(int i = expire; i < deletes.size(); i++) {
if(files[i].isFile()){
files[i].delete();
continue;
}
UtilFile.deleteFolder(files[i]);
}
}
}
}