2011/08/05 - Jakarta Cactus has been retired.

For more information, please explore the Attic.

Clover coverage report - Cactus 1.8dev for J2EE API 1.3

Coverage timestamp: Sun Mar 26 2006 18:50:18 BRT

FRAMES NO FRAMES

file stats:	LOC:	110		Methods:	3
	NCLOC:	46		Classes:	1

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Source file

Conditionals

Statements

Methods

TOTAL

UniqueGenerator.java

 /* 
  * ========================================================================
  * 
  * Copyright 2001-2003 The Apache Software Foundation.
  *
  * 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 org.apache.cactus.internal.util;
 
 import java.net.InetAddress;
 import java.net.UnknownHostException;
 
 import junit.framework.TestCase;
 
 /**
  * Generates a quasi-unique id for a test case.
  *
  * @version $Id: UniqueGenerator.java 238991 2004-05-22 11:34:50Z vmassol $
  */
 public class UniqueGenerator
 {
     /**
      * Counter with synchronized access to prevent possibly
      * identical ids from two threads requesting an id in the
      * same millisecond.
      */
     private static byte count = 0;
     
     /**
      * Lock for count.
      */
     private static Object lock = new Object();
 
     /**
      * The local IP address in hexadecimal format.
      */
     private static String ipAddress;
     static
     {
         try
         {
             byte ip[] = InetAddress.getLocalHost().getAddress();
             ipAddress = toHex(((ip[0] & 0xff) << 24)
                 | ((ip[1] & 0xff) << 16) | ((ip[2] & 0xff) << 8)
                 | (ip[3] & 0xff));
         }
         catch (UnknownHostException e)
         {
             ipAddress = "";
         }
     }
 
     /**
      * Generates a unique identifier for a Cactus test.
      * 
      * @param theTestCase The Test to generate a unique ID for
      * @return The generated ID
      */
     public static String generate(TestCase theTestCase)
     {
         long time = System.currentTimeMillis();
         synchronized (lock)
         {
             time += count++;
         }
         return generate(theTestCase, time);
     }
 
     /**
      * Generates a unique identifier for a Cactus test.
      * 
      * @param theTestCase The Test to generate a unique ID for
      * @param theTime The time component to include in the generated ID
      * @return The generated ID
      */
     public static String generate(TestCase theTestCase,
         long theTime)
     {
         String id = ipAddress;
         id += "-" + toHex(theTime);
         id += "-" + toHex(System.identityHashCode(theTestCase));
         id += toHex(theTestCase.getName().hashCode());
         return id;
     }
 
     /**
      * Returns the hexadecimal representation of an integer as string.
      * 
      * @param theValue The integer value
      * @return The integer value as string of hexadecimal digits
      */
     private static String toHex(long theValue)
     {
         return Long.toString(theValue, 16).toUpperCase();
     }
 
 }
 

1		/*
2		* ========================================================================
3		*
4		* Copyright 2001-2003 The Apache Software Foundation.
5		*
6		* Licensed under the Apache License, Version 2.0 (the "License");
7		* you may not use this file except in compliance with the License.
8		* You may obtain a copy of the License at
9		*
10		* http://www.apache.org/licenses/LICENSE-2.0
11		*
12		* Unless required by applicable law or agreed to in writing, software
13		* distributed under the License is distributed on an "AS IS" BASIS,
14		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15		* See the License for the specific language governing permissions and
16		* limitations under the License.
17		*
18		* ========================================================================
19		*/
20		package org.apache.cactus.internal.util;
21
22		import java.net.InetAddress;
23		import java.net.UnknownHostException;
24
25		import junit.framework.TestCase;
26
27		/**
28		* Generates a quasi-unique id for a test case.
29		*
30		* @version $Id: UniqueGenerator.java 238991 2004-05-22 11:34:50Z vmassol $
31		*/
32		public class UniqueGenerator
33		{
34		/**
35		* Counter with synchronized access to prevent possibly
36		* identical ids from two threads requesting an id in the
37		* same millisecond.
38		*/
39		private static byte count = 0;
40
41		/**
42		* Lock for count.
43		*/
44		private static Object lock = new Object();
45
46		/**
47		* The local IP address in hexadecimal format.
48		*/
49		private static String ipAddress;
50		static
51		{
52	0	try
53		{
54	0	byte ip[] = InetAddress.getLocalHost().getAddress();
55	0	ipAddress = toHex(((ip[0] & 0xff) << 24)
56		\| ((ip[1] & 0xff) << 16) \| ((ip[2] & 0xff) << 8)
57		\| (ip[3] & 0xff));
58		}
59		catch (UnknownHostException e)
60		{
61	0	ipAddress = "";
62		}
63		}
64
65		/**
66		* Generates a unique identifier for a Cactus test.
67		*
68		* @param theTestCase The Test to generate a unique ID for
69		* @return The generated ID
70		*/
71	0	public static String generate(TestCase theTestCase)
72		{
73	0	long time = System.currentTimeMillis();
74	0	synchronized (lock)
75		{
76	0	time += count++;
77		}
78	0	return generate(theTestCase, time);
79		}
80
81		/**
82		* Generates a unique identifier for a Cactus test.
83		*
84		* @param theTestCase The Test to generate a unique ID for
85		* @param theTime The time component to include in the generated ID
86		* @return The generated ID
87		*/
88	0	public static String generate(TestCase theTestCase,
89		long theTime)
90		{
91	0	String id = ipAddress;
92	0	id += "-" + toHex(theTime);
93	0	id += "-" + toHex(System.identityHashCode(theTestCase));
94	0	id += toHex(theTestCase.getName().hashCode());
95	0	return id;
96		}
97
98		/**
99		* Returns the hexadecimal representation of an integer as string.
100		*
101		* @param theValue The integer value
102		* @return The integer value as string of hexadecimal digits
103		*/
104	0	private static String toHex(long theValue)
105		{
106	0	return Long.toString(theValue, 16).toUpperCase();
107		}
108
109		}
110