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author | kstranacher <kstranacher@d688527b-c9ab-4aba-bd8d-4036d912da1d> | 2011-04-08 14:45:39 +0000 |
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committer | kstranacher <kstranacher@d688527b-c9ab-4aba-bd8d-4036d912da1d> | 2011-04-08 14:45:39 +0000 |
commit | 7ff58b0342621ccde37531c134163b8f25855597 (patch) | |
tree | 36a6606e2e764196d5af7d2dd86a76bd8dffdf93 /common/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java | |
parent | 4058e2e88786962c63c2d9ecd193cf085982adc5 (diff) | |
parent | 07449c789f2561bb768d111e5b7d2c14e5dec26f (diff) | |
download | moa-id-spss-dcd9429becadff111ad2732d2cde92714c03c606.tar.gz moa-id-spss-dcd9429becadff111ad2732d2cde92714c03c606.tar.bz2 moa-id-spss-dcd9429becadff111ad2732d2cde92714c03c606.zip |
Pre-Release Version 1.5.0tags/1.5.0-Pre-Release
git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/tags/1.5.0-Pre-Release@1205 d688527b-c9ab-4aba-bd8d-4036d912da1d
Diffstat (limited to 'common/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java')
-rw-r--r-- | common/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/common/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java b/common/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java new file mode 100644 index 000000000..f73936487 --- /dev/null +++ b/common/src/main/java/at/gv/egovernment/moa/util/URLEncoder.java @@ -0,0 +1,78 @@ +/* +* Copyright 2003 Federal Chancellery Austria +* +* 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.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 { + 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)); + } + +} |