classworlds - 1.1-alpha-1

Clover coverage report - classworlds - 1.1-alpha-1

Coverage timestamp: Sun Sep 19 2004 14:08:44 EDT

FRAMES NO FRAMES

file stats:	LOC:	221		Methods:	4
	NCLOC:	72		Classes:	1

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Source file

Conditionals

Statements

Methods

TOTAL

Bootstrapper.java

 package org.codehaus.classworlds.uberjar.boot;
 
 /*
  $Id: Bootstrapper.java,v 1.1.1.1 2004/07/01 13:59:19 jvanzyl Exp $
 
  Copyright 2002 (C) The Werken Company. All Rights Reserved.
  
  Redistribution and use of this software and associated documentation
  ("Software"), with or without modification, are permitted provided
  that the following conditions are met:
 
  1. Redistributions of source code must retain copyright
     statements and notices.  Redistributions must also contain a
     copy of this document.
  
  2. Redistributions in binary form must reproduce the
     above copyright notice, this list of conditions and the
     following disclaimer in the documentation and/or other
     materials provided with the distribution.
  
  3. The name "classworlds" must not be used to endorse or promote
     products derived from this Software without prior written
     permission of The Werken Company.  For written permission,
     please contact bob@werken.com.
  
  4. Products derived from this Software may not be called "classworlds"
     nor may "classworlds" appear in their names without prior written
     permission of The Werken Company. "classworlds" is a registered
     trademark of The Werken Company.
  
  5. Due credit should be given to The Werken Company.
     (http://classworlds.werken.com/).
  
  THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS
  ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
  NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
  THE WERKEN COMPANY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  OF THE POSSIBILITY OF SUCH DAMAGE.
  
  */
 
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 
 /**
  * Bootstrapping entry-point.
  * <p/>
  * <p/>
  * The <code>Bootstrapper</code> is to be used for standalone jars
  * which carry all dependency jars within them.  The layout for
  * the dependency jar should be similar to:
  * </p>
  * <p/>
  * <pre>
  *    myjar/
  *          classworlds.conf
  *          org/
  *              codehaus/
  *                     classworlds/
  *                                 boot/
  *                                 protocol/
  *          lib/
  *              myapp.jar
  *              depOne.jar
  *              depTwo.jar
  *  </pre>
  *
  * @author <a href="mailto:jason@zenplex.com">Jason van Zyl</a>
  * @author <a href="mailto:bob@eng.werken.com">bob mcwhirter</a>
  * @version $Id: Bootstrapper.java,v 1.1.1.1 2004/07/01 13:59:19 jvanzyl Exp $
  */
 public class Bootstrapper
 {
     // ----------------------------------------------------------------------
     //     Constants
     // ----------------------------------------------------------------------
 
     /**
      * Main classworlds entry class.
      */
     public static final String LAUNCHER_CLASS_NAME = "org.codehaus.classworlds.Launcher";
 
     // ----------------------------------------------------------------------
     //     Instance members
     // ----------------------------------------------------------------------
 
     /**
      * Command-line args.
      */
     private String[] args;
 
     /**
      * Initial bootstrapping classloader.
      */
     private InitialClassLoader classLoader;
 
     // ----------------------------------------------------------------------
     //     Class methods
     // ----------------------------------------------------------------------
 
     /**
      * Main entry-point.
      *
      * @param args Command-line arguments.
      * @throws Exception If an error occurs.
      */
     public static void main( String[] args )
         throws Exception
     {
         System.setProperty( "java.protocol.handler.pkgs",
                             "org.codehaus.classworlds.uberjar.protocol" );
 
         Bootstrapper bootstrapper = new Bootstrapper( args );
 
         bootstrapper.bootstrap();
     }
 
     // ----------------------------------------------------------------------
     //     Constructors
     // ----------------------------------------------------------------------
 
     /**
      * Construct.
      *
      * @param args Command-line arguments.
      * @throws Exception If an error occurs attempting to perform
      *                   bootstrap initialization.
      */
     public Bootstrapper( String[] args )
         throws Exception
     {
         this.args = args;
         this.classLoader = new InitialClassLoader();
     }
 
     // ----------------------------------------------------------------------
     //     Instance methods
     // ----------------------------------------------------------------------
 
     /**
      * Retrieve the initial bootstrapping <code>ClassLoader</code>.
      *
      * @return The classloader.
      */
     protected ClassLoader getInitialClassLoader()
     {
         return this.classLoader;
     }
 
     /**
      * Perform bootstrap.
      *
      * @throws Exception If an error occurs while bootstrapping.
      */
     public void bootstrap()
         throws Exception
     {
         ClassLoader cl = getInitialClassLoader();
 
         Class launcherClass = cl.loadClass( LAUNCHER_CLASS_NAME );
 
         Method[] methods = launcherClass.getMethods();
         Method mainMethod = null;
 
         for ( int i = 0; i < methods.length; ++i )
         {
             if ( !"main".equals( methods[i].getName() ) )
             {
                 continue;
             }
 
             int modifiers = methods[i].getModifiers();
 
             if ( !( Modifier.isStatic( modifiers )
                 &&
                 Modifier.isPublic( modifiers ) ) )
             {
                 continue;
             }
 
             if ( methods[i].getReturnType() != Void.TYPE )
             {
                 continue;
             }
 
             Class[] paramTypes = methods[i].getParameterTypes();
 
             if ( paramTypes.length != 1 )
             {
                 continue;
             }
 
             if ( paramTypes[0] != String[].class )
             {
                 continue;
             }
 
             mainMethod = methods[i];
             break;
         }
 
         if ( mainMethod == null )
         {
             throw new NoSuchMethodException( LAUNCHER_CLASS_NAME + "::main(String[] args)" );
         }
 
         System.setProperty( "classworlds.bootstrapped",
                             "true" );
 
         mainMethod.invoke( launcherClass,
                            new Object[]{this.args} );
     }
 }
 

1		package org.codehaus.classworlds.uberjar.boot;
2
3		/*
4		$Id: Bootstrapper.java,v 1.1.1.1 2004/07/01 13:59:19 jvanzyl Exp $
5
6		Copyright 2002 (C) The Werken Company. All Rights Reserved.
7
8		Redistribution and use of this software and associated documentation
9		("Software"), with or without modification, are permitted provided
10		that the following conditions are met:
11
12		1. Redistributions of source code must retain copyright
13		statements and notices. Redistributions must also contain a
14		copy of this document.
15
16		2. Redistributions in binary form must reproduce the
17		above copyright notice, this list of conditions and the
18		following disclaimer in the documentation and/or other
19		materials provided with the distribution.
20
21		3. The name "classworlds" must not be used to endorse or promote
22		products derived from this Software without prior written
23		permission of The Werken Company. For written permission,
24		please contact bob@werken.com.
25
26		4. Products derived from this Software may not be called "classworlds"
27		nor may "classworlds" appear in their names without prior written
28		permission of The Werken Company. "classworlds" is a registered
29		trademark of The Werken Company.
30
31		5. Due credit should be given to The Werken Company.
32		(http://classworlds.werken.com/).
33
34		THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS
35		``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
36		NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
37		FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
38		THE WERKEN COMPANY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
39		INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
40		(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
41		SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
42		HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
43		STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
44		ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
45		OF THE POSSIBILITY OF SUCH DAMAGE.
46
47		*/
48
49		import java.lang.reflect.Method;
50		import java.lang.reflect.Modifier;
51
52		/**
53		* Bootstrapping entry-point.
54		* <p/>
55		* <p/>
56		* The <code>Bootstrapper</code> is to be used for standalone jars
57		* which carry all dependency jars within them. The layout for
58		* the dependency jar should be similar to:
59		* </p>
60		* <p/>
61		* <pre>
62		* myjar/
63		* classworlds.conf
64		* org/
65		* codehaus/
66		* classworlds/
67		* boot/
68		* protocol/
69		* lib/
70		* myapp.jar
71		* depOne.jar
72		* depTwo.jar
73		* </pre>
74		*
75		* @author <a href="mailto:jason@zenplex.com">Jason van Zyl</a>
76		* @author <a href="mailto:bob@eng.werken.com">bob mcwhirter</a>
77		* @version $Id: Bootstrapper.java,v 1.1.1.1 2004/07/01 13:59:19 jvanzyl Exp $
78		*/
79		public class Bootstrapper
80		{
81		// ----------------------------------------------------------------------
82		// Constants
83		// ----------------------------------------------------------------------
84
85		/**
86		* Main classworlds entry class.
87		*/
88		public static final String LAUNCHER_CLASS_NAME = "org.codehaus.classworlds.Launcher";
89
90		// ----------------------------------------------------------------------
91		// Instance members
92		// ----------------------------------------------------------------------
93
94		/**
95		* Command-line args.
96		*/
97		private String[] args;
98
99		/**
100		* Initial bootstrapping classloader.
101		*/
102		private InitialClassLoader classLoader;
103
104		// ----------------------------------------------------------------------
105		// Class methods
106		// ----------------------------------------------------------------------
107
108		/**
109		* Main entry-point.
110		*
111		* @param args Command-line arguments.
112		* @throws Exception If an error occurs.
113		*/
114	0	public static void main( String[] args )
115		throws Exception
116		{
117	0	System.setProperty( "java.protocol.handler.pkgs",
118		"org.codehaus.classworlds.uberjar.protocol" );
119
120	0	Bootstrapper bootstrapper = new Bootstrapper( args );
121
122	0	bootstrapper.bootstrap();
123		}
124
125		// ----------------------------------------------------------------------
126		// Constructors
127		// ----------------------------------------------------------------------
128
129		/**
130		* Construct.
131		*
132		* @param args Command-line arguments.
133		* @throws Exception If an error occurs attempting to perform
134		* bootstrap initialization.
135		*/
136	0	public Bootstrapper( String[] args )
137		throws Exception
138		{
139	0	this.args = args;
140	0	this.classLoader = new InitialClassLoader();
141		}
142
143		// ----------------------------------------------------------------------
144		// Instance methods
145		// ----------------------------------------------------------------------
146
147		/**
148		* Retrieve the initial bootstrapping <code>ClassLoader</code>.
149		*
150		* @return The classloader.
151		*/
152	0	protected ClassLoader getInitialClassLoader()
153		{
154	0	return this.classLoader;
155		}
156
157		/**
158		* Perform bootstrap.
159		*
160		* @throws Exception If an error occurs while bootstrapping.
161		*/
162	0	public void bootstrap()
163		throws Exception
164		{
165	0	ClassLoader cl = getInitialClassLoader();
166
167	0	Class launcherClass = cl.loadClass( LAUNCHER_CLASS_NAME );
168
169	0	Method[] methods = launcherClass.getMethods();
170	0	Method mainMethod = null;
171
172	0	for ( int i = 0; i < methods.length; ++i )
173		{
174	0	if ( !"main".equals( methods[i].getName() ) )
175		{
176	0	continue;
177		}
178
179	0	int modifiers = methods[i].getModifiers();
180
181	0	if ( !( Modifier.isStatic( modifiers )
182		&&
183		Modifier.isPublic( modifiers ) ) )
184		{
185	0	continue;
186		}
187
188	0	if ( methods[i].getReturnType() != Void.TYPE )
189		{
190	0	continue;
191		}
192
193	0	Class[] paramTypes = methods[i].getParameterTypes();
194
195	0	if ( paramTypes.length != 1 )
196		{
197	0	continue;
198		}
199
200	0	if ( paramTypes[0] != String[].class )
201		{
202	0	continue;
203		}
204
205	0	mainMethod = methods[i];
206	0	break;
207		}
208
209	0	if ( mainMethod == null )
210		{
211	0	throw new NoSuchMethodException( LAUNCHER_CLASS_NAME + "::main(String[] args)" );
212		}
213
214	0	System.setProperty( "classworlds.bootstrapped",
215		"true" );
216
217	0	mainMethod.invoke( launcherClass,
218		new Object[]{this.args} );
219		}
220		}
221