svn-gvsig-desktop / tags / v1_0_2_Build_905 / applications / appgvSIG / src / com / vividsolutions / jump / util / FileUtil.java @ 10767
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/*
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* The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
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* for visualizing and manipulating spatial features with geometry and attributes.
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*
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* Copyright (C) 2003 Vivid Solutions
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* For more information, contact:
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*
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* Vivid Solutions
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* Suite #1A
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* 2328 Government Street
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* Victoria BC V8T 5G5
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* Canada
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*
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* (250)385-6040
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* www.vividsolutions.com
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*/
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package com.vividsolutions.jump.util; |
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import java.io.BufferedReader; |
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import java.io.BufferedWriter; |
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import java.io.FileNotFoundException; |
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import java.io.FileReader; |
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import java.io.FileWriter; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.InputStreamReader; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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/**
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* File-related utility functions.
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*/
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public class FileUtil { |
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/**
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* Reads a text file.
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* @param textFileName the pathname of the file to open
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* @return the lines of the text file
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* @throws FileNotFoundException if the text file is not found
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* @throws IOException if the file is not found or another I/O error occurs
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*/
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public static List getContents(String textFileName) |
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throws FileNotFoundException, IOException { |
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List contents = new ArrayList(); |
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FileReader fileReader = new FileReader(textFileName); |
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BufferedReader bufferedReader = new BufferedReader(fileReader); |
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String line = bufferedReader.readLine();
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while (line != null) { |
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contents.add(line); |
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line = bufferedReader.readLine(); |
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} |
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return contents;
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} |
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/**
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* Saves the String to a file with the given filename.
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* @param textFileName the pathname of the file to create (or overwrite)
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* @param contents the data to save
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* @throws IOException if an I/O error occurs.
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*/
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public static void setContents(String textFileName, String contents) |
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throws IOException { |
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FileWriter fileWriter = new FileWriter(textFileName, false); |
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BufferedWriter bufferedWriter = new BufferedWriter(fileWriter); |
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bufferedWriter.write(contents); |
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bufferedWriter.flush(); |
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bufferedWriter.close(); |
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fileWriter.close(); |
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} |
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public static List getContents(InputStream inputStream) throws IOException { |
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ArrayList contents = new ArrayList(); |
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InputStreamReader inputStreamReader = new InputStreamReader(inputStream); |
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try {
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BufferedReader bufferedReader = new BufferedReader(inputStreamReader); |
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try {
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String line = bufferedReader.readLine();
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while (line != null) { |
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contents.add(line); |
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line = bufferedReader.readLine(); |
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} |
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} finally {
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bufferedReader.close(); |
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} |
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} finally {
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inputStreamReader.close(); |
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} |
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return contents;
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} |
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/**
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* Saves the List of Strings to a file with the given filename.
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* @param textFileName the pathname of the file to create (or overwrite)
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* @param lines the Strings to save as lines in the file
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* @throws IOException if an I/O error occurs.
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*/
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public static void setContents(String textFileName, List lines) |
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throws IOException { |
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String contents = ""; |
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for (Iterator i = lines.iterator(); i.hasNext();) { |
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String line = (String) i.next(); |
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contents += (line + System.getProperty("line.separator")); |
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} |
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setContents(textFileName, contents); |
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} |
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} |