/*
* The Unified Mapping Platform (JUMP) is an extensible, interactive GUI for
* visualizing and manipulating spatial features with geometry and attributes.
*
* Copyright (C) 2003 Vivid Solutions
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307, USA.
*
* For more information, contact:
*
* Vivid Solutions Suite #1A 2328 Government Street Victoria BC V8T 5G5 Canada
*
* (250)385-6040 www.vividsolutions.com
*/
package com.vividsolutions.jump.util;
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.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
/**
* File-related utility functions.
*/
public class FileUtil {
/**
* Reads a text file.
*
* @param textFileName
* the pathname of the file to open
* @return the lines of the text file
* @throws FileNotFoundException
* if the text file is not found
* @throws IOException
* if the file is not found or another I/O error occurs
*/
public static List getContents(String textFileName)
throws FileNotFoundException, IOException {
List contents = new ArrayList();
FileReader fileReader = new FileReader(textFileName);
BufferedReader bufferedReader = new BufferedReader(fileReader);
String line = bufferedReader.readLine();
while (line != null) {
contents.add(line);
line = bufferedReader.readLine();
}
return contents;
}
/**
* Saves the String to a file with the given filename.
*
* @param textFileName
* the pathname of the file to create (or overwrite)
* @param contents
* the data to save
* @throws IOException
* if an I/O error occurs.
*/
public static void setContents(String textFileName, String contents)
throws IOException {
FileWriter fileWriter = new FileWriter(textFileName, false);
BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
bufferedWriter.write(contents);
bufferedWriter.flush();
bufferedWriter.close();
fileWriter.close();
}
public static List getContents(InputStream inputStream) throws IOException {
ArrayList contents = new ArrayList();
InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
try {
BufferedReader bufferedReader = new BufferedReader(
inputStreamReader);
try {
String line = bufferedReader.readLine();
while (line != null) {
contents.add(line);
line = bufferedReader.readLine();
}
} finally {
bufferedReader.close();
}
} finally {
inputStreamReader.close();
}
return contents;
}
/**
* Saves the List of Strings to a file with the given filename.
*
* @param textFileName
* the pathname of the file to create (or overwrite)
* @param lines
* the Strings to save as lines in the file
* @throws IOException
* if an I/O error occurs.
*/
public static void setContents(String textFileName, List lines)
throws IOException {
String contents = "";
for (Iterator i = lines.iterator(); i.hasNext(); ) {
String line = (String) i.next();
contents += (line + System.getProperty("line.separator"));
}
setContents(textFileName, contents);
}
public static void zip(Collection files, File zipFile) throws IOException {
FileOutputStream fos = new FileOutputStream(zipFile);
try {
BufferedOutputStream bos = new BufferedOutputStream(fos);
try {
ZipOutputStream zos = new ZipOutputStream(bos);
try {
for (Iterator i = files.iterator(); i.hasNext(); ) {
File file = (File) i.next();
zos.putNextEntry(new ZipEntry(file.getName()));
FileInputStream fis = new FileInputStream(file);
try {
BufferedInputStream bis = new BufferedInputStream(
fis);
try {
while (true) {
int j = bis.read();
if (j == -1) {
break;
}
zos.write(j);
}
} finally {
bis.close();
}
} finally {
fis.close();
zos.closeEntry();
}
}
} finally {
zos.close();
}
} finally {
bos.close();
}
} finally {
fos.close();
}
}
public static String getExtension(File f) {
String ext = "";
String s = f.getName();
int i = s.lastIndexOf('.');
if ((i > 0) && (i < (s.length() - 1))) {
ext = s.substring(i + 1).toLowerCase();
}
return ext;
}
public static File addExtensionIfNone(File file, String extension) {
if (getExtension(file).length() > 0) {
return file;
}
String path = file.getAbsolutePath();
if (!path.endsWith(".")) {
path += ".";
}
path += extension;
return new File(path);
}
public static File removeExtensionIfAny(File file) {
int i = file.getName().lastIndexOf('.');
if (i > 0) {
String path = file.getAbsolutePath();
path = path.substring(0, path.length()-file.getName().length()+i);
return new File(path);
}
else return file;
}
public static String getFileNameFromLayerName(String layerName) {
return layerName.replaceAll("[/\\\\\\?%\\*:\\|\"<> ]+","_")
.replaceAll("^_","").replaceAll("_$","");
}
}