/*
* Encog(tm) Core v3.0 - Java Version
* http://www.heatonresearch.com/encog/
* http://code.google.com/p/encog-java/
* Copyright 2008-2011 Heaton Research, Inc.
*
* 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.util.file;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import org.encog.EncogError;
import org.encog.bot.BotUtil;
public class FileUtil {
public static File addFilenameBase(File filename, String base) {
String f = getFileName(filename);
String ext = getFileExt(filename);
int idx1 = f.lastIndexOf('_');
int idx2 = f.lastIndexOf(File.separatorChar);
boolean remove = false;
if (idx1 != -1) {
if (idx2 == -1) {
remove = true;
} else {
remove = idx1 > idx2;
}
}
if (remove) {
f = f.substring(0, idx1);
}
return new File(f + base + "." + ext);
}
public static String getFileName(File file) {
String fileName = file.toString();
int mid = fileName.lastIndexOf(".");
if (mid == -1) {
return fileName;
}
return fileName.substring(0, mid);
}
public static String getFileExt(File file) {
String fileName = file.toString();
int mid = fileName.lastIndexOf(".");
if (mid == -1)
return "";
return fileName.substring(mid + 1, fileName.length());
}
public static String readFileAsString(File filePath)
throws java.io.IOException {
StringBuffer fileData = new StringBuffer(1000);
BufferedReader reader = new BufferedReader(new FileReader(filePath));
char[] buf = new char[1024];
int numRead = 0;
while ((numRead = reader.read(buf)) != -1) {
String readData = String.valueOf(buf, 0, numRead);
fileData.append(readData);
buf = new char[1024];
}
reader.close();
return fileData.toString();
}
public static String readStreamAsString(InputStream is)
throws java.io.IOException {
StringBuffer fileData = new StringBuffer(1000);
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
char[] buf = new char[1024];
int numRead = 0;
while ((numRead = reader.read(buf)) != -1) {
String readData = String.valueOf(buf, 0, numRead);
fileData.append(readData);
buf = new char[1024];
}
reader.close();
return fileData.toString();
}
public static String forceExtension(String name, String ext) {
String b = getFileName(new File(name));
return b + "." + ext;
}
public static void writeFileAsString(File path, String str)
throws IOException {
BufferedWriter o = new BufferedWriter(new FileWriter(path));
o.write(str);
o.close();
}
public static void copy(File source, File target) {
try {
final FileOutputStream fos = new FileOutputStream(target);
final InputStream is = new FileInputStream(source);
copy(is,fos);
fos.close();
is.close();
} catch (final IOException e) {
throw new EncogError(e);
}
}
public static void copy(InputStream is, OutputStream os) {
try {
final byte[] buffer = new byte[BotUtil.BUFFER_SIZE];
int length;
do {
length = is.read(buffer);
if (length > 0) {
os.write(buffer, 0, length);
}
} while (length > 0);
} catch(IOException ex) {
throw new EncogError(ex);
}
}
public static void copyResource(String resource, File targetFile) {
try {
InputStream is = ResourceInputStream.openResourceInputStream(resource);
OutputStream os = new FileOutputStream(targetFile);
copy(is,os);
is.close();
os.close();
} catch(IOException ex) {
throw new EncogError(ex);
}
}
}