mbirth/pjava-juninstaller
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modified JUninstaller.java

Browse Source 
+ Remove line from log
        + Delete file listed in log
        x made selection of last item working (hope so)

modified   MyFilesystemParser.java
        + removeLine() to remove a single line from a log
This commit is contained in:
mbirth 2005-01-31 14:13:34 +00:00
parent 476a526fcc
commit bc3e7005ef
2 changed files with 99 additions and 15 deletions
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79
JUninstaller.java
View File

@ -72,11 +72,13 @@ public class JUninstaller extends Frame implements ActionListener {
Label lbTime = new Label("--:--:--", Label.CENTER);
Panel pnView = new Panel(new BorderLayout());
Panel pnDel = new Panel(new BorderLayout());
Panel pnViewB = new Panel(new GridLayout(0,1,0,0));
Label lbView = new Label("---");
List ltView = new List();
Button btDetails = new Button("Details");
Button btRemove = new Button("Remove");
Button btDelFile = new Button("Del");
Button btBack2 = new Button("Back");
Dimension dmScreen = Toolkit.getDefaultToolkit().getScreenSize(); // get Screen dimensions
@ -133,7 +135,7 @@ public class JUninstaller extends Frame implements ActionListener {
} else {
MIP.infoPrint("Can't delete!");
}
updateList(selItem+DATAEXT);
updateList(selItem);
}
} else {
MIP.infoPrint("Select one entry!");
@ -142,10 +144,12 @@ public class JUninstaller extends Frame implements ActionListener {
clMain.show(pnMain, "1");
} else if (ae.getSource().equals(btScan)) { // Scan-Button
parseFilesys();
MQ.msgBox("Scan complete.", "Now install your desired application and RUN IT at least once.\n\nDO NOT INSTALL OR CHANGE ANYTHING ELSE.\n\nIf done, perform one of the two 'Find Changes'.");
} else if (ae.getSource().equals(btFind)) { // Find changes-Button
compareFilesys(false);
} else if (ae.getSource().equals(btFUp)) { // Find changes + Update-Button
compareFilesys(true);
MQ.msgBox("Log complete.", "You can now install+run the next application.");
} else if (ae.getSource().equals(btUnin)) { // Uninstall-Button
String selItem = ltApps.getSelectedItem();
if (selItem != null) {
@ -159,14 +163,7 @@ public class JUninstaller extends Frame implements ActionListener {
String selItem = ltApps.getSelectedItem();
if (selItem != null) {
lbView.setText("Details of "+selItem);
ltView.removeAll();
MIP.busy("Reading...");
String[] entries = mfs.getEntries(selItem+DATAEXT);
MIP.busy("Building list (" + entries.length + ")...");
for (int i=0;i<entries.length;i++) {
ltView.add(entries[i]);
}
MIP.infoPrint(entries.length+" entries");
updateDetList(selItem+DATAEXT, null);
clMain.show(pnMain, "4");
} else {
MIP.infoPrint("Select one entry!");
@ -194,7 +191,7 @@ public class JUninstaller extends Frame implements ActionListener {
}
}
} while (!okay && newname!=null);
updateList(newname+DATAEXT);
updateList(newname);
} else {
MIP.infoPrint("Select one entry!");
}
@ -215,6 +212,33 @@ public class JUninstaller extends Frame implements ActionListener {
} else {
MIP.infoPrint("Select one entry!");
}
} else if (ae.getSource().equals(btRemove)) { // Remove (log-entry)
String selItem = ltView.getSelectedItem();
String selFile = ltApps.getSelectedItem();
if (selItem != null && selFile != null) {
String mbt = selItem.substring(selItem.indexOf(" ")+1);
if (!mfs.removeLine(selFile+DATAEXT, mbt)) MQ.msgBox("Error", "For some reason there were problems removing this line.");
updateDetList(selFile+DATAEXT, selItem);
} else {
MIP.infoPrint("Select one entry!");
}
} else if (ae.getSource().equals(btDelFile)) { // Delete file (log-details)
String selItem = ltView.getSelectedItem();
String selFile = ltApps.getSelectedItem();
if (selItem != null && selFile != null) {
selItem = selItem.substring(selItem.indexOf(" ")+1);
if (MQ.yesnoBox("Are you sure?", "Do you really want to delete this file?\n\n"+selItem+"\n\nDeleting the wrong file may render your phone unusable!") == MQ.YES) {
File flDelMe = new File(selItem);
if (flDelMe.delete()) {
MIP.infoPrint("Deleted.");
} else {
MIP.infoPrint("Error!");
}
updateDetList(selFile+DATAEXT, selItem);
}
} else {
MIP.infoPrint("Select one entry!");
}
}
// TODO: more events
}
@ -277,12 +301,15 @@ public class JUninstaller extends Frame implements ActionListener {
btDetails.addActionListener(this);
btRemove.addActionListener(this);
btDelFile.addActionListener(this);
btBack2.addActionListener(this);
lbView.setFont(ftBold12);
pnView.add(lbView, BorderLayout.NORTH);
pnView.add(ltView, BorderLayout.CENTER);
pnDel.add(btRemove, BorderLayout.CENTER);
pnDel.add(btDelFile, BorderLayout.EAST);
pnViewB.add(btDetails);
pnViewB.add(btRemove);
pnViewB.add(pnDel);
pnViewB.add(btBack2);
pnView.add(pnViewB, BorderLayout.SOUTH);
@ -324,17 +351,39 @@ public class JUninstaller extends Frame implements ActionListener {
String[] apps = mfs.getMonitored(DATAEXT);
ltApps.removeAll();
int selIdx = 0;
if (selItem != null) selItem = selItem.toLowerCase();
for (int i=0;i<apps.length;i++) {
ltApps.add(apps[i]);
if (selItem!=null && selItem.compareTo(apps[i])>=0) {
selIdx = ltApps.getItemCount();
if (selItem != null && apps[i].toLowerCase().compareTo(selItem)>=0) {
selIdx = ltApps.getItemCount()-1;
selItem = null;
}
}
ltApps.select(selIdx);
ltApps.makeVisible(selIdx);
ltApps.select(selIdx);
}
private void updateDetList(String log, String selItem) {
ltView.removeAll();
MIP.busy("Reading...");
String[] entries = mfs.getEntries(log);
MIP.busy("Building list (" + entries.length + ")...");
int selIdx = 0;
if (selItem!=null) selItem = selItem.substring(selItem.indexOf(" ")+1).toLowerCase();
String cmpItem;
for (int i=0;i<entries.length;i++) {
ltView.add(entries[i]);
cmpItem = entries[i].substring(entries[i].indexOf(" ")+1).toLowerCase();
if (selItem != null && cmpItem.compareTo(selItem)>=0) {
selIdx = ltView.getItemCount()-1;
selItem = null;
}
}
ltView.makeVisible(selIdx);
ltView.select(selIdx);
MIP.infoPrint(entries.length+" entries");
}
private void compareFilesys(boolean redump) {
// parse filsystem and compare with
// previously generated info
@ -381,7 +430,7 @@ public class JUninstaller extends Frame implements ActionListener {
MIP.infoPrint("Could not delete!");
}
}
updateList(newname+DATAEXT);
updateList(newname);
clMain.show(pnMain, "1");
} else {
MIP.infoPrint("No diffs found.");

35
MyFilesystemParser.java
View File

@ -1,10 +1,12 @@
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.Calendar;
import java.util.Date;
@ -250,6 +252,39 @@ public class MyFilesystemParser {
return dumpDifferences(outfile, false);
}
/** Removes a line from a log, doesn't touch the file on disk */
public boolean removeLine(String infile, String filename) {
try {
BufferedWriter tout = new BufferedWriter(new OutputStreamWriter(new GZIPOutputStream(new FileOutputStream("$$mfs$$.$$$"))));
BufferedReader fin = new BufferedReader(new InputStreamReader(new GZIPInputStream(new FileInputStream(infile))));
String tmp;
int tab;
String myfn;
while ((tmp = fin.readLine()) != null) {
tab = tmp.indexOf("\t");
myfn = tmp.substring(tab+1, tmp.indexOf("\t", tab+1));
if (!myfn.equals(filename)) tout.write(tmp+"\r\n");
}
tout.close();
fin.close();
File oldlog = new File(infile);
File newlog = new File("$$mfs$$.$$$");
if (oldlog.delete()) {
if (!newlog.renameTo(oldlog)) {
System.out.println("ERROR: Could not rename new log to "+logFile.getName()+".");
return false;
}
} else {
System.out.println("ERROR: Could not delete old logfile. Redump is still there.");
return false;
}
return true;
} catch (IOException ioe) {
ioe.printStackTrace();
return false;
}
}
/** Deletes dump */
public boolean delDump() {
return logFile.delete();