diff options
author | kstranacher <kstranacher@d688527b-c9ab-4aba-bd8d-4036d912da1d> | 2012-02-20 11:21:24 +0000 |
---|---|---|
committer | kstranacher <kstranacher@d688527b-c9ab-4aba-bd8d-4036d912da1d> | 2012-02-20 11:21:24 +0000 |
commit | d3352bc9db1891c8f90f8c542eac65da64a234d3 (patch) | |
tree | f7b7c932e39e201d22ef5232bf90081c2d357885 /common/src/main/java/at/gv/egovernment/moa/util/URLDecoder.java | |
parent | 9b1af165432c82d64f49d3e3730534b224230b53 (diff) | |
parent | b858a62942137068394790a22c10b968e1c41e0f (diff) | |
download | moa-id-spss-d3352bc9db1891c8f90f8c542eac65da64a234d3.tar.gz moa-id-spss-d3352bc9db1891c8f90f8c542eac65da64a234d3.tar.bz2 moa-id-spss-d3352bc9db1891c8f90f8c542eac65da64a234d3.zip |
MOA-IDSPSS Release 1.5.1.tags/1.5.1
git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/tags/1.5.1@1271 d688527b-c9ab-4aba-bd8d-4036d912da1d
Diffstat (limited to 'common/src/main/java/at/gv/egovernment/moa/util/URLDecoder.java')
-rw-r--r-- | common/src/main/java/at/gv/egovernment/moa/util/URLDecoder.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/common/src/main/java/at/gv/egovernment/moa/util/URLDecoder.java b/common/src/main/java/at/gv/egovernment/moa/util/URLDecoder.java new file mode 100644 index 000000000..66739a7a4 --- /dev/null +++ b/common/src/main/java/at/gv/egovernment/moa/util/URLDecoder.java @@ -0,0 +1,84 @@ +/* + * 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.ByteArrayOutputStream; +import java.io.IOException; +import java.io.StringReader; +import java.io.UnsupportedEncodingException; + +/** + * Decodes an URL encoded String using a specified character encoding. + * Provides a function missing in JDK 1.3. + * @author Paul Ivancsics + * @version $Id$ + */ +public class URLDecoder { + + /** + * Decodes an <code>application/x-www-form-urlencoded</code> string using a specific encoding scheme. + * @param s the string to decode + * @param encoding name of character encoding + * @return the newly decoded string + * @throws UnsupportedEncodingException if the encoding is not supported + */ + public static String decode(String s, String encoding) throws UnsupportedEncodingException { + StringReader in = new StringReader(s); + ByteArrayOutputStream bout = new ByteArrayOutputStream(); + for (int b = read(in); b >= 0; b = read(in)) + bout.write(b); + return bout.toString(encoding); + } + /** + * Decodes the next byte from the string reader. + * @param in string reader + * @return the next byte decoded; + * -1 upon end of string, on erroneous data, and on any exception caught + * @todo syntax check on string + */ + private static int read(StringReader in) { + try { + int b = in.read(); + if (b == '+') + return ' '; + if (b == '%') { + char[] hex = new char[2]; + if (in.read(hex, 0, 2) >= 0) { + String hexString = new String(hex); + return Integer.valueOf(hexString, 16).intValue(); + } + else + return -1; + } + return b; + } + catch (IOException ex) { + return -1; + } + catch (NumberFormatException ex) { + return -1; + } + } +} |