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Basic utilities to compensate shortcomings of Java SE.
Part of chicory.
/*
* Copyright (c) 2014, Victor Nazarov
* 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 Victor Nazarov 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL 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.github.sviperll.io;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.nio.charset.Charset;
import java.util.logging.Level;
import java.util.logging.Logger;
public class Files {
public static String read(File passwordFile, Charset charset) throws FileNotFoundException, IOException {
InputStream stream = new BufferedInputStream(new FileInputStream(passwordFile));
try {
InputStreamReader streamReader = new InputStreamReader(stream, charset);
try {
BufferedReader reader = new BufferedReader(streamReader);
try {
StringBuilder builder = new StringBuilder();
char[] buffer = new char[2048];
int bytesRead;
while ((bytesRead = reader.read(buffer)) >= 0)
builder.append(buffer, 0, bytesRead);
return builder.toString();
} finally {
try {
reader.close();
} catch (Exception ex) {
Logger.getLogger(Files.class.getName()).log(Level.SEVERE, null, ex);
}
}
} finally {
try {
streamReader.close();
} catch (Exception ex) {
Logger.getLogger(Files.class.getName()).log(Level.SEVERE, null, ex);
}
}
} finally {
try {
stream.close();
} catch (Exception ex) {
Logger.getLogger(Files.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
public static void write(File file, String contents, Charset charset) throws IOException {
BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(file));
try {
OutputStreamWriter streamWriter = new OutputStreamWriter(outputStream, charset);
try {
BufferedWriter writer = new BufferedWriter(streamWriter);
try {
try {
writer.write(contents);
} finally {
writer.flush();
}
} finally {
try {
writer.close();
} catch (Exception ex) {
Logger.getLogger(Files.class.getName()).log(Level.SEVERE, null, ex);
}
}
} finally {
try {
outputStream.close();
} catch (Exception ex) {
Logger.getLogger(Files.class.getName()).log(Level.SEVERE, null, ex);
}
}
} finally {
try {
outputStream.close();
} catch (Exception ex) {
Logger.getLogger(Files.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
public static String nameWithoutExtention(String fileName) {
int baseNameStart = fileName.lastIndexOf(File.separatorChar) + 1;
int suffixStart = fileName.lastIndexOf('.');
String nameWithoutExtention = fileName;
if (suffixStart > 0 && suffixStart > baseNameStart)
nameWithoutExtention = fileName.substring(0, suffixStart);
return nameWithoutExtention;
}
/**
*
* @param fileName filename with extention
* @return extention with leading dot
*/
public static String extention(String fileName) {
int baseNameStart = fileName.lastIndexOf(File.separatorChar) + 1;
int suffixStart = fileName.lastIndexOf('.');
String extention = null;
if (suffixStart > 0 && suffixStart > baseNameStart)
extention = fileName.substring(0, suffixStart);
return extention;
}
public static String nameWithExtention(String fileName, String extention) {
if (extention.startsWith("."))
return fileName + extention;
else
return fileName + "." + extention;
}
private Files() {
}
}