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author | mcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4> | 2008-08-29 12:11:34 +0000 |
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committer | mcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4> | 2008-08-29 12:11:34 +0000 |
commit | 32d17447a258188b2d534bcb0bf65a659ba7b7d0 (patch) | |
tree | 4ad8bb267eb29f7091a7da283f6d7eec1e2188e1 /bkucommon/src/main/java/at/gv/egiz/bku/binding/IdImpl.java | |
download | mocca-32d17447a258188b2d534bcb0bf65a659ba7b7d0.tar.gz mocca-32d17447a258188b2d534bcb0bf65a659ba7b7d0.tar.bz2 mocca-32d17447a258188b2d534bcb0bf65a659ba7b7d0.zip |
Initial import.
git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@1 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
Diffstat (limited to 'bkucommon/src/main/java/at/gv/egiz/bku/binding/IdImpl.java')
-rw-r--r-- | bkucommon/src/main/java/at/gv/egiz/bku/binding/IdImpl.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/binding/IdImpl.java b/bkucommon/src/main/java/at/gv/egiz/bku/binding/IdImpl.java new file mode 100644 index 00000000..5523992a --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/binding/IdImpl.java @@ -0,0 +1,80 @@ +/* +* 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.binding;
+
+import iaik.utils.Base64OutputStream;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.security.SecureRandom;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * Implementation that uses a Base64 representation for self generated Ids.
+ * @author wbauer
+ *
+ */
+public class IdImpl implements at.gv.egiz.bku.binding.Id {
+ private static Log log = LogFactory.getLog(IdImpl.class);
+
+ private String idString;
+
+ public IdImpl(int bitNumber, SecureRandom random) {
+ int byteSize = bitNumber/8;
+ if (bitNumber % 8 != 0) {
+ byteSize++;
+ }
+ byte[] randomBytes = new byte[byteSize];
+ random.nextBytes(randomBytes);
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ Base64OutputStream b64 = new Base64OutputStream(baos);
+ try {
+ b64.write(randomBytes);
+ b64.flush();
+ b64.close();
+ idString = new String(baos.toByteArray());
+ } catch (IOException e) {
+ log.error("Cannot create secure id: "+e);
+ }
+ }
+
+ public IdImpl(String idString) {
+ if (idString == null) {
+ throw new NullPointerException("Provided idstring must not be null");
+ }
+ this.idString = idString;
+ }
+
+ public String toString() {
+ return idString;
+ }
+
+ public int hashCode() {
+ return idString.hashCode();
+ }
+
+ public boolean equals(Object other) {
+ if (other instanceof Id) {
+ Id otherId = (Id)other;
+ return otherId.toString().equals(idString);
+ } else {
+ return false;
+ }
+ }
+}
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