From 32d17447a258188b2d534bcb0bf65a659ba7b7d0 Mon Sep 17 00:00:00 2001 From: mcentner Date: Fri, 29 Aug 2008 12:11:34 +0000 Subject: Initial import. git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@1 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4 --- .../main/java/at/gv/egiz/bku/utils/StreamUtil.java | 101 +++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 utils/src/main/java/at/gv/egiz/bku/utils/StreamUtil.java (limited to 'utils/src/main/java/at/gv/egiz/bku/utils/StreamUtil.java') diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/StreamUtil.java b/utils/src/main/java/at/gv/egiz/bku/utils/StreamUtil.java new file mode 100644 index 00000000..a774df2b --- /dev/null +++ b/utils/src/main/java/at/gv/egiz/bku/utils/StreamUtil.java @@ -0,0 +1,101 @@ +/* +* Copyright 2008 Federal Chancellery Austria and +* Graz University of Technology +* +* 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. +*/ +package at.gv.egiz.bku.utils; + +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.io.Reader; +import java.io.Writer; + +public class StreamUtil { + + /** + * Copies data. None of the streams will be closed. + * + * @param is + * @param os + * @throws IOException + */ + public static void copyStream(InputStream is, OutputStream os) + throws IOException { + copyStream(is, os, 1024); + } + + /** + * Copies data. None of the streams will be closed. + * + * @param is + * @param os + * @throws IOException + */ + public static void copyStream(InputStream is, OutputStream os, int bufferSize) + throws IOException { + byte[] buffer = new byte[bufferSize]; + copyStream(is, os, buffer); + } + + /** + * Copies data. None of the streams will be closed. + * + * @param is + * @param os + * @throws IOException + */ + public static void copyStream(InputStream is, OutputStream os, byte[] buffer) + throws IOException { + for (int i = is.read(buffer); i > -1; i = is.read(buffer)) { + os.write(buffer, 0, i); + } + } + + /** + * Copies data. None of the streams will be closed. + * + * @param is + * @param os + * @throws IOException + */ + public static void copyStream(Reader is, Writer os) + throws IOException { + copyStream(is, os, 1024); + } + + /** + * Copies data. None of the streams will be closed. + * + * @param is + * @param os + * @throws IOException + */ + public static void copyStream(Reader is, Writer os, int bufferSize) + throws IOException { + char[] chars = new char[bufferSize]; + for (int i = is.read(chars); i > -1; i = is.read(chars)) { + os.write(chars, 0, i); + } + } + + + public static String asString(InputStream is, String charset) + throws IOException { + ByteArrayOutputStream os = new ByteArrayOutputStream(); + copyStream(is, os); + return new String(os.toByteArray(), charset); + } +} -- cgit v1.2.3