diff options
Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.2.1/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/Utils.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-1.2.1/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/Utils.java | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.2.1/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/Utils.java b/sca-java-1.x/branches/sca-java-1.2.1/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/Utils.java new file mode 100644 index 0000000000..2de353312a --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.2.1/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/Utils.java @@ -0,0 +1,74 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.tuscany.sca.databinding.xstream; + +import java.io.IOException; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.security.SecureRandom; + +public class Utils { + public static String toBase64(byte[] array) { + String code = null; + code = new sun.misc.BASE64Encoder().encode(array); + return code; + } + + public static byte[] fromBase64(String bytecode) { + byte[] dec = null; + try { + dec = new sun.misc.BASE64Decoder().decodeBuffer(bytecode); + } catch (IOException e) { + e.printStackTrace(); + } + return dec; + } + + public static String uniqueID() { + try { + //Initialize SecureRandom + //This is a lengthy operation, to be done only upon + //initialization of the application + SecureRandom prng = SecureRandom.getInstance("SHA1PRNG"); + + //generate a random number + String randomNum = new Integer(prng.nextInt()).toString(); + + //get its digest + MessageDigest sha = MessageDigest.getInstance("SHA-1"); + byte[] result = sha.digest(randomNum.getBytes()); + return hexEncode(result); + } catch (NoSuchAlgorithmException ex) { + ex.printStackTrace(); + } + return null; + } + + private static String hexEncode(byte[] aInput) { + StringBuffer result = new StringBuffer(); + char[] digits = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; + for (int idx = 0; idx < aInput.length; ++idx) { + byte b = aInput[idx]; + result.append(digits[(b & 0xf0) >> 4]); + result.append(digits[b & 0x0f]); + } + return result.toString(); + } + +} |