test/java/lang/instrument/ATransformerManagementTestCase.java

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   1 /*
   2  * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */


  82      * @return a random transformer
  83      */
  84     protected ClassFileTransformer
  85     getRandomTransformer()
  86     {
  87         int randIndex = (int)Math.floor(Math.random() * kTransformerSamples.length);
  88         verbosePrint("Choosing random transformer #" + randIndex);
  89         return kTransformerSamples[randIndex];
  90     }
  91 
  92     /**
  93      * Method addTransformerToManager.
  94      * @param manager
  95      * @param transformer
  96      */
  97     protected void
  98     addTransformerToManager(
  99         Instrumentation         manager,
 100         ClassFileTransformer    transformer)
 101     {















 102         if (transformer != null)
 103         {
 104             fTransformers.add(transformer);
 105         }
 106         manager.addTransformer(transformer);
 107         verbosePrint("Added transformer " + transformer);

 108     }
 109 
 110     /**
 111      * Remove transformer from manager and list
 112      * @param manager
 113      * @param transformer
 114      */
 115     protected void
 116     removeTransformerFromManager(
 117         Instrumentation manager,
 118         ClassFileTransformer transformer)
 119     {
 120         assertTrue("Transformer not found in manager ("+transformer+")", manager.removeTransformer(transformer));
 121 
 122         if (transformer != null)
 123         {
 124             fTransformers.remove(transformer);
 125         }
 126         verbosePrint("Removed transformer " + transformer);
 127     }


   1 /*
   2  * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */


  82      * @return a random transformer
  83      */
  84     protected ClassFileTransformer
  85     getRandomTransformer()
  86     {
  87         int randIndex = (int)Math.floor(Math.random() * kTransformerSamples.length);
  88         verbosePrint("Choosing random transformer #" + randIndex);
  89         return kTransformerSamples[randIndex];
  90     }
  91 
  92     /**
  93      * Method addTransformerToManager.
  94      * @param manager
  95      * @param transformer
  96      */
  97     protected void
  98     addTransformerToManager(
  99         Instrumentation         manager,
 100         ClassFileTransformer    transformer)
 101     {
 102         addTransformerToManager(manager, transformer, false);
 103     }
 104 
 105     /**
 106      * Method addTransformerToManager.
 107      * @param manager
 108      * @param transformer
 109      * @param canRetransform
 110      */
 111     protected void
 112     addTransformerToManager(
 113         Instrumentation         manager,
 114         ClassFileTransformer    transformer,
 115         boolean                 canRetransform)
 116     {
 117         if (transformer != null)
 118         {
 119             fTransformers.add(transformer);
 120         }
 121         manager.addTransformer(transformer, canRetransform);
 122         verbosePrint("Added transformer " + transformer
 123             + " with canRetransform=" + canRetransform);
 124     }
 125 
 126     /**
 127      * Remove transformer from manager and list
 128      * @param manager
 129      * @param transformer
 130      */
 131     protected void
 132     removeTransformerFromManager(
 133         Instrumentation manager,
 134         ClassFileTransformer transformer)
 135     {
 136         assertTrue("Transformer not found in manager ("+transformer+")", manager.removeTransformer(transformer));
 137 
 138         if (transformer != null)
 139         {
 140             fTransformers.remove(transformer);
 141         }
 142         verbosePrint("Removed transformer " + transformer);
 143     }