QPID-3840: added automated tests for the Java Broker's qpid-passwd script and Passwd class

Applied patch from Andrew MacBean <andymacbean@gmail.com> and Philip Harvey <phil@philharveyonline.com>

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1244406 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 19 insertions, 29 deletions

diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/tools/security/Passwd.java b/qpid/java/broker/src/main/java/org/apache/qpid/tools/security/Passwd.java
index ae150708ca..cd833c89c4 100644
--- a/qpid/java/broker/src/main/java/org/apache/qpid/tools/security/Passwd.java
+++ b/qpid/java/broker/src/main/java/org/apache/qpid/tools/security/Passwd.java
@@ -14,26 +14,26 @@
  *  "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.    
+ *  under the License.
+ *
  *
- * 
  */
 package org.apache.qpid.tools.security;
 
-import org.apache.commons.codec.binary.Base64;
-
 import java.io.IOException;
-import java.io.PrintStream;
+import java.io.UnsupportedEncodingException;
+import java.nio.charset.Charset;
 import java.security.DigestException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 
+import org.apache.commons.codec.binary.Base64;
+
+/**
+ * Utility to generate user:encodedPassword string for use in md5passwd
+ */
 public class Passwd
 {
-    private Passwd()
-    {
-    }
-
     public static void main(String args[]) throws NoSuchAlgorithmException, DigestException, IOException
     {
         if (args.length != 2)
@@ -42,7 +42,14 @@ public class Passwd
             System.exit(0);
         }
 
-        byte[] data = args[1].getBytes("utf-8");
+        Passwd passwd = new Passwd();
+        String output = passwd.getOutput(args[0], args[1]);
+        System.out.println(output);
+    }
+
+    public String getOutput(String userName, String password) throws UnsupportedEncodingException, NoSuchAlgorithmException
+    {
+        byte[] data = password.getBytes("utf-8");
 
         MessageDigest md = MessageDigest.getInstance("MD5");
 
@@ -57,24 +64,7 @@ public class Passwd
 
         byte[] encoded = b64.encode(digest);
 
-        output(args[0], encoded);
-    }
-
-    private static void output(String user, byte[] encoded) throws IOException
-    {
-        PrintStream ps = new PrintStream(System.out);
-
-        user += ":";
-        ps.write(user.getBytes("utf-8"));
-
-        for (byte b : encoded)
-        {
-            ps.write(b);
-        }
-
-        ps.println();
-
-        ps.flush();
-        ps.close();
+        String encodedStr = new String(encoded, Charset.forName("utf-8"));
+        return userName + ":" + encodedStr;
     }
 }