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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.console.java;
import android.content.Context;
import android.util.Log;
import com.cyanogenmod.filemanager.commands.Executable;
import com.cyanogenmod.filemanager.commands.ExecutableFactory;
import com.cyanogenmod.filemanager.commands.java.JavaExecutableFactory;
import com.cyanogenmod.filemanager.commands.java.Program;
import com.cyanogenmod.filemanager.console.CommandNotFoundException;
import com.cyanogenmod.filemanager.console.ConsoleAllocException;
import com.cyanogenmod.filemanager.console.ExecutionException;
import com.cyanogenmod.filemanager.console.InsufficientPermissionsException;
import com.cyanogenmod.filemanager.console.NoSuchFileOrDirectory;
import com.cyanogenmod.filemanager.console.OperationTimeoutException;
import com.cyanogenmod.filemanager.console.ReadOnlyFilesystemException;
import com.cyanogenmod.filemanager.console.VirtualConsole;
/**
* An implementation of a {@link VirtualConsole} based on a java implementation.<br/>
* <br/>
* This console is a non-privileged console an many of the functionality is not implemented
* because can't be obtain from java api.
*/
public final class JavaConsole extends VirtualConsole {
private static final String TAG = "JavaConsole"; //$NON-NLS-1$
private final int mBufferSize;
/**
* Constructor of <code>JavaConsole</code>
*
* @param ctx The current context
* @param bufferSize The buffer size
*/
public JavaConsole(Context ctx, int bufferSize) {
super(ctx);
this.mBufferSize = bufferSize;
}
/**
* {@inheritDoc}
*/
@Override
public String getName() {
return "Java";
}
/**
* {@inheritDoc}
*/
@Override
public ExecutableFactory getExecutableFactory() {
return new JavaExecutableFactory(this);
}
/**
* {@inheritDoc}
*/
@Override
public synchronized void execute(Executable executable, Context ctx)
throws ConsoleAllocException, InsufficientPermissionsException, NoSuchFileOrDirectory,
OperationTimeoutException, ExecutionException, CommandNotFoundException,
ReadOnlyFilesystemException {
// Check that the program is a java program
try {
Program p = (Program)executable;
p.isTrace();
} catch (Throwable e) {
Log.e(TAG, String.format("Failed to resolve program: %s", //$NON-NLS-1$
executable.getClass().toString()), e);
throw new CommandNotFoundException("executable is not a program", e); //$NON-NLS-1$
}
//Auditing program execution
if (isTrace()) {
Log.v(TAG, String.format("Executing program: %s", //$NON-NLS-1$
executable.getClass().toString()));
}
// Execute the program
final Program program = (Program)executable;
program.setTrace(isTrace());
program.setBufferSize(this.mBufferSize);
if (program.isAsynchronous()) {
// Execute in a thread
Thread t = new Thread() {
@Override
public void run() {
try {
program.execute();
} catch (Exception e) {
// Program must use onException to communicate exceptions
Log.v(TAG,
String.format("Async execute failed program: %s", //$NON-NLS-1$
program.getClass().toString()));
}
}
};
t.start();
} else {
// Synchronous execution
program.execute();
}
}
}
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