From 74d8c83f76074d2d0df784cb4a305c586a702d25 Mon Sep 17 00:00:00 2001 From: Thomas Lenz Date: Wed, 9 Mar 2016 13:41:09 +0100 Subject: move moa-common to moa-id-common, because MOA-SPSS becomes a seperate project --- .../java/at/gv/egovernment/moa/util/FileUtils.java | 179 +++++++++++++++++++++ 1 file changed, 179 insertions(+) create mode 100644 id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/util/FileUtils.java (limited to 'id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/util/FileUtils.java') diff --git a/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/util/FileUtils.java b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/util/FileUtils.java new file mode 100644 index 000000000..a70d62e1e --- /dev/null +++ b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/util/FileUtils.java @@ -0,0 +1,179 @@ +/* + * Copyright 2003 Federal Chancellery Austria + * MOA-ID has been developed in a cooperation between BRZ, the Federal + * Chancellery Austria - ICT staff unit, and Graz University of Technology. + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://www.osor.eu/eupl/ + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + */ + + +package at.gv.egovernment.moa.util; + +import java.io.BufferedInputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.net.URL; + +/** + * Utility for accessing files on the file system, and for reading from input streams. + * @author Paul Ivancsics + * @version $Id$ + */ +public class FileUtils { + + /** + * Reads a file, given by URL, into a byte array. + * @param urlString file URL + * @return file content + * @throws IOException on any exception thrown + */ + public static byte[] readURL(String urlString) throws IOException { + URL url = new URL(urlString); + InputStream in = new BufferedInputStream(url.openStream()); + byte[] content = StreamUtils.readStream(in); + in.close(); + return content; + } + /** + * Reads a file, given by URL, into a String. + * @param urlString file URL + * @param encoding character encoding + * @return file content + * @throws IOException on any exception thrown + */ + public static String readURL(String urlString, String encoding) throws IOException { + byte[] content = readURL(urlString); + return new String(content, encoding); + } + /** + * Reads a file, given by filename, into a byte array. + * @param filename filename + * @return file content + * @throws IOException on any exception thrown + */ + public static byte[] readFile(String filename) throws IOException { + BufferedInputStream in = new BufferedInputStream(new FileInputStream(filename)); + byte[] content = StreamUtils.readStream(in); + in.close(); + return content; + } + /** + * Reads a file, given by filename, into a String. + * @param filename filename + * @param encoding character encoding + * @return file content + * @throws IOException on any exception thrown + */ + public static String readFile(String filename, String encoding) throws IOException { + byte[] content = readFile(filename); + return new String(content, encoding); + } + /** + * Reads a file from a resource. + * @param name resource name + * @return file content as a byte array + * @throws IOException on any exception thrown + */ + public static byte[] readResource(String name) throws IOException { + ClassLoader cl = FileUtils.class.getClassLoader(); + BufferedInputStream in = new BufferedInputStream(cl.getResourceAsStream(name)); + byte[] content = StreamUtils.readStream(in); + in.close(); + return content; + } + /** + * Reads a file from a resource. + * @param name filename + * @param encoding character encoding + * @return file content + * @throws IOException on any exception thrown + */ + public static String readResource(String name, String encoding) throws IOException { + byte[] content = readResource(name); + return new String(content, encoding); + } + + /** + * Returns the absolute URL of a given url which is relative to the parameter root + * @param url + * @param root + * @return String + */ + public static String makeAbsoluteURL(String url, String root) { + //if url is relative to rootConfigFileDirName make it absolute + + File keyFile; + String newURL = url; + + if(null == url) return null; + + if (url.startsWith("http:/") || url.startsWith("https:/") || url.startsWith("file:/") || url.startsWith("ftp:/")) { + return url; + } else { + // check if absolute - if not make it absolute + keyFile = new File(url); + if (!keyFile.isAbsolute()) { + keyFile = new File(root, url); + + if (keyFile.toString().startsWith("file:")) + newURL = keyFile.toString(); + + else + newURL = keyFile.toURI().toString(); + + } + return newURL; + } + } + + + private static void copy( InputStream fis, OutputStream fos ) + { + try + { + byte[] buffer = new byte[ 0xFFFF ]; + for ( int len; (len = fis.read(buffer)) != -1; ) + fos.write( buffer, 0, len ); + } + catch( IOException e ) { + System.err.println( e ); + } + finally { + if ( fis != null ) + try { fis.close(); } catch ( IOException e ) { e.printStackTrace(); } + if ( fos != null ) + try { fos.close(); } catch ( IOException e ) { e.printStackTrace(); } + } + } + + public static void copyFile(File src, File dest) + { + try + { + copy( new FileInputStream( src ), new FileOutputStream( dest ) ); + } + catch( IOException e ) { + e.printStackTrace(); + } + } + +} -- cgit v1.2.3