/*
* Copyright (C) 2012 The CyanogenMod Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.cyanogenmod.filemanager.commands.shell;
import com.cyanogenmod.filemanager.commands.MountPointInfoExecutable;
import com.cyanogenmod.filemanager.console.CommandNotFoundException;
import com.cyanogenmod.filemanager.console.ExecutionException;
import com.cyanogenmod.filemanager.console.InsufficientPermissionsException;
import com.cyanogenmod.filemanager.model.MountPoint;
import com.cyanogenmod.filemanager.util.ParseHelper;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.StringReader;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;
/**
* A class for get information about disk usage.
*
* {@link "http://unixhelp.ed.ac.uk/CGI/man-cgi?cat"}
* {@link
* "http://linux.web.cern.ch/linux/scientific5/docs/rhel/Deployment_Guide/s2-proc-mounts.html"}
*/
public class MountPointInfoCommand extends SyncResultProgram implements MountPointInfoExecutable {
private static final String ID = "mountpointinfo"; //$NON-NLS-1$
private final List<MountPoint> mMountPoints;
/**
* Constructor of <code>MountPointInfoCommand</code>.
*
* @throws InvalidCommandDefinitionException If the command has an invalid definition
*/
public MountPointInfoCommand() throws InvalidCommandDefinitionException {
super(ID, new String[]{});
this.mMountPoints = new ArrayList<MountPoint>();
}
/**
* {@inheritDoc}
*/
@Override
public void parse(String in, String err) throws ParseException {
//Release the array
this.mMountPoints.clear();
// Check the in buffer to extract information
BufferedReader br = null;
int line = 0;
try {
br = new BufferedReader(new StringReader(in));
String szLine = null;
while ((szLine = br.readLine()) != null) {
//Checks that there is some text in the line. Otherwise ignore it
if (szLine.trim().length() == 0) {
break;
}
//Parse the line into a MountPoint reference
try {
this.mMountPoints.add(ParseHelper.toMountPoint(szLine));
} catch (ParseException pEx) {
//Ignore
}
line++;
}
} catch (IOException ioEx) {
throw new ParseException(ioEx.getMessage(), line);
} catch (Exception ex) {
throw new ParseException(ex.getMessage(), line);
} finally {
try {
if (br != null) {
br.close();
}
} catch (Throwable ex) {
/**NON BLOCK**/
}
}
}
/**
* {@inheritDoc}
*/
@Override
public List<MountPoint> getResult() {
return this.mMountPoints;
}
/**
* {@inheritDoc}
*/
@Override
public void checkExitCode(int exitCode)
throws InsufficientPermissionsException, CommandNotFoundException, ExecutionException {
if (exitCode != 0 && exitCode != 1) { //Permission denied
throw new ExecutionException("exitcode != 0 && != 1"); //$NON-NLS-1$
}
}
/**
* {@inheritDoc}
*/
@Override
public boolean isIgnoreShellStdErrCheck() {
return true;
}
}