diff -r 000000000000 -r f907866f0e4b trunk/com/so/news/io/Resource.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/trunk/com/so/news/io/Resource.java Tue Jan 20 10:21:03 2009 +0100 @@ -0,0 +1,123 @@ +/* + * StarOffice News Server + * see AUTHORS for the list of contributors + * + * 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 3 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, see . + */ + +package com.so.news.io; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.net.URL; +import java.nio.charset.Charset; + +/** + * Provides method for loading of resources. + * @author Christian Lins + */ +public class Resource +{ + /** + * Loads a file as array of byte. As the file is completely loaded into + * memory this method should only be used with small files. + * @param file + * @return + */ + public static byte[] getBytes(File file) + { + try + { + FileInputStream in = new FileInputStream(file); + byte[] buffer = new byte[(int)file.length()]; + + in.read(buffer); + + return buffer; + } + catch(IOException ex) + { + System.err.println(ex.getLocalizedMessage()); + return null; + } + } + + /** + * Loads a resource and returns it as URL reference. + * The Resource's classloader is used to load the resource, not + * the System's ClassLoader so it may be safe to use this method + * in a sandboxed environment. + * @return + */ + public static URL getAsURL(String name) + { + return Resource.class.getClassLoader().getResource(name); + } + + /** + * Loads a resource and returns an InputStream to it. + * @param name + * @return + */ + public static InputStream getAsStream(String name) + { + try + { + URL url = getAsURL(name); + return url.openStream(); + } + catch(IOException e) + { + e.printStackTrace(); + return null; + } + } + + /** + * Loads a plain text resource. + * @param withNewline If false all newlines are removed from the + * return String + */ + public static String getAsString(String name, boolean withNewline) + { + try + { + BufferedReader in = new BufferedReader( + new InputStreamReader(getAsStream(name), Charset.forName("UTF-8"))); + StringBuffer buf = new StringBuffer(); + + for(;;) + { + String line = in.readLine(); + if(line == null) + break; + + buf.append(line); + if(withNewline) + buf.append('\n'); + } + + return buf.toString(); + } + catch(Exception e) + { + e.printStackTrace(); + return null; + } + } +}