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/*
* Copyright (C) 2013 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 org.cyanogenmod.hardware.util;
import android.util.Log;
import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
public final class FileUtils {
private static final String TAG = "FileUtils";
private FileUtils() {
// this class is not supposed to be instantiated
}
/**
* Reads the first line of text from the given file
*/
public static String readOneLine(String fileName) {
String line = null;
BufferedReader reader = null;
try {
reader = new BufferedReader(new FileReader(fileName), 512);
line = reader.readLine();
} catch (IOException e) {
Log.e(TAG, "Could not read from file " + fileName, e);
} finally {
try {
if (reader != null) {
reader.close();
}
} catch (IOException e) {
// ignored, not much we can do anyway
}
}
return line;
}
/**
* Writes the given value into the given file
*
* @return true on success, false on failure
*/
public static boolean writeLine(String fileName, String value) {
try {
FileOutputStream fos = new FileOutputStream(fileName);
fos.write(value.getBytes());
fos.flush();
fos.close();
} catch (IOException e) {
Log.e(TAG, "Could not write to file " + fileName, e);
return false;
}
return true;
}
}
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