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/*
* 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.console.CommandNotFoundException;
import com.cyanogenmod.filemanager.console.ExecutionException;
import com.cyanogenmod.filemanager.console.InsufficientPermissionsException;
import com.cyanogenmod.filemanager.console.NoSuchFileOrDirectory;
import com.cyanogenmod.filemanager.console.ReadOnlyFilesystemException;
import com.cyanogenmod.filemanager.util.ShellHelper;
/**
* A class that represent a privileged command invocation. This command
* allow to get elevated privileged before invoke other command
*
* {@link "http://unixhelp.ed.ac.uk/CGI/man-cgi?su"}
*/
public class SuperuserShell extends Shell {
private static final String ID = "su"; //$NON-NLS-1$
private static final String[] MOUNT_STORAGE_ENV = new String[] {
"MOUNT_EMULATED_STORAGE=1"
};
/**
* Constructor of <code>SuperuserShell</code>.
*
* @throws InvalidCommandDefinitionException If the command has an invalid definition
*/
public SuperuserShell() throws InvalidCommandDefinitionException {
super(ID, ShellHelper.getProgramCmdLine(new BashShell()));
}
/**
* {@inheritDoc}
*/
public String[] getEnvironment() {
return MOUNT_STORAGE_ENV;
}
/**
* {@inheritDoc}
*/
@Override
public void checkExitCode(int exitCode)
throws InsufficientPermissionsException, CommandNotFoundException, ExecutionException {
if (exitCode != 0) {
//Check result
super.checkExitCode(exitCode);
}
}
/**
* {@inheritDoc}
*/
@Override
public void checkStdErr(Program program, int exitCode, String err)
throws InsufficientPermissionsException, NoSuchFileOrDirectory,
CommandNotFoundException, ExecutionException, ReadOnlyFilesystemException {
if (exitCode != 0) {
if (err.startsWith(": not found")) { //$NON-NLS-1$
throw new CommandNotFoundException(err);
}
super.checkStdErr(program, exitCode, err);
}
}
}
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