diff options
Diffstat (limited to 'id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java')
-rw-r--r-- | id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java new file mode 100644 index 000000000..e6df1fd33 --- /dev/null +++ b/id/server/moa-id-commons/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java @@ -0,0 +1,89 @@ +/* + * 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.ByteArrayInputStream; +import java.io.StringWriter; +import java.io.UnsupportedEncodingException; + +/** + * Translates a string into mime format "x-www-form-urlencoded". + * Provides a function missing in JDK 1.3. + * @author Paul Ivancsics + * @version $Id$ + */ +public class URLEncoder { + + /** + * Translates a string into x-www-form-urlencoded format. + * @param s the string to be translated + * @param encoding the encoding to use + * @return the translated string + * @throws UnsupportedEncodingException when the desired encoding is not supported + */ + public static String encode(String s, String encoding) throws UnsupportedEncodingException { +// if (MiscUtil.isEmpty(s)) +// return null; + byte[] barr = s.getBytes(encoding); + ByteArrayInputStream bin = new ByteArrayInputStream(barr); + StringWriter out = new StringWriter(); + for (int b = bin.read(); b >= 0; b = bin.read()) + encode(b, out); + return out.toString(); + } + + /** + * Encode a character. + * @param ch The character to encode. + * @param out The <code>StringWriter</code> containing the result. + */ + private static void encode(int ch, StringWriter out) { + if ((ch >= 'a' && ch <= 'z') + || (ch >= 'A' && ch <= 'Z') + || (ch >= '0' && ch <= '9') + || ch == '.' || ch == '-' || ch == '*' || ch == '_') + out.write(ch); + else if (ch == ' ') + out.write('+'); + else + encodeHex(ch, out); + } + + /** + * Encode a character as an escaped hex value. + * @param ch The character to encode. + * @param out The <code>StringWriter</code> containing the result. + */ + private static void encodeHex(int ch, StringWriter out) { + out.write('%'); + String hex = Integer.toHexString(ch).toUpperCase(); + if (hex.length() < 2) + out.write('0'); + else + out.write(hex.charAt(hex.length() - 2)); + out.write(hex.charAt(hex.length() - 1)); + } + +} |