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/*
* Copyright (c) 2014 The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package com.android.browser;
import org.codeaurora.swe.utils.Logger;
import android.content.Context;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileInputStream;
public class CommandLineManager {
private final static String LOGTAG = "CommandLineManager";
public static final String COMMAND_LINE_FILE = "/data/local/tmp/swe-command-line";
// Read from the InputStream object
private static String parseCommandLine (InputStream is) {
BufferedReader br = null;
StringBuilder sb = new StringBuilder();
String line;
try {
br = new BufferedReader(new InputStreamReader(is));
while ((line = br.readLine()) != null) {
line = line.trim();
int commentIndex = line.indexOf('#');
if (commentIndex > -1) {
// trim out the comments
line = line.substring(0,commentIndex);
}
if (line.isEmpty())
continue;
// Consider only the uncommented lines
sb.append(line);
sb.append(" ");
}
// Strip the browser name from the commandline options (First string) if options exists
if (sb.indexOf("--") >= 0) {
sb.delete(0, sb.indexOf(" "));
}
} catch (IOException e) {
Logger.e(LOGTAG, "Exception:", e);
} finally {
try {
// close the streams and reader
is.close();
if (br != null)
br.close();
} catch (IOException e) {
Logger.e(LOGTAG, "Exception:", e);
}
}
return sb.toString();
}
// Set the browser options
private static char[] append(InputStream inStreamDefaultCmdLine,
InputStream inStreamUsrCmdLine) {
// bail out since there no file to command line to deal with
if (inStreamDefaultCmdLine == null && inStreamUsrCmdLine == null){
return null;
}
String userArgs = "";
String defaultArgs = "";
if (inStreamDefaultCmdLine != null) {
// Reading the default commandline file
// Refers to the internal filename residing in "raw" directory
defaultArgs = parseCommandLine(inStreamDefaultCmdLine);
}
// Reading the user commandline file
if (inStreamUsrCmdLine != null) {
userArgs = parseCommandLine(inStreamUsrCmdLine);
}
// Assumption: The user commandline file can be empty or it exists
// with atleast one commandline option.
// Insert the content of the default commandline file in the beginning of
// the user commandline file content. So that, the user settings will get
// the presidence
userArgs = "Browser "+defaultArgs+" "+userArgs;
Logger.v(LOGTAG, "(Command Line Arguments): " + userArgs);
char[] buffer = userArgs.toString().toCharArray();
return buffer;
}
public static char[] getCommandLineSwitches(Context context) {
InputStream sweCmdLineStream =
context.getResources().openRawResource(R.raw.swe_command_line);
InputStream usrCmdLineStream = null;
File file = new File(COMMAND_LINE_FILE);
if(file.exists()){
try {
usrCmdLineStream = new FileInputStream(COMMAND_LINE_FILE);
} catch (FileNotFoundException e) {
}
}
// Set the browser options here
return append(sweCmdLineStream, usrCmdLineStream);
}
}
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