| /* |
| $Id$ |
| |
| Copyright 2003 (C) James Strachan and Bob Mcwhirter. 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 "groovy" must not be used to endorse or promote |
| products derived from this Software without prior written |
| permission of The Codehaus. For written permission, |
| please contact info@codehaus.org. |
| |
| 4. Products derived from this Software may not be called "groovy" |
| nor may "groovy" appear in their names without prior written |
| permission of The Codehaus. "groovy" is a registered |
| trademark of The Codehaus. |
| |
| 5. Due credit should be given to The Codehaus - |
| http://groovy.codehaus.org/ |
| |
| THIS SOFTWARE IS PROVIDED BY THE CODEHAUS 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 CODEHAUS 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. |
| |
| */ |
| |
| package org.codehaus.groovy.classgen; |
| |
| import java.io.*; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.codehaus.groovy.runtime.InvokerHelper; |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.util.CheckClassAdapter; |
| import org.objectweb.asm.util.ASMifierClassVisitor; |
| |
| import groovy.lang.MetaClassRegistry; |
| import groovy.lang.MetaMethod; |
| import groovy.util.GroovyTestCase; |
| |
| /** |
| * |
| * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public class ReflectorGeneratorTest extends GroovyTestCase { |
| |
| public void testGenerator() throws Exception { |
| List methods = new ArrayList(); |
| methods.add(new MetaMethod("toCharArray", String.class, new Class[0], char[].class, 0)); |
| //methods.add(new MetaMethod("toString", String.class, new Class[0], String.class, 0)); |
| testMethods(methods); |
| } |
| |
| public void testObjectGenerator() throws Exception { |
| List methods = InvokerHelper.getMetaClass(new Object()).getMethods(); |
| testMethods(methods); |
| } |
| |
| public void testDummyReflector() throws Exception { |
| DummyReflector dummy = new DummyReflector(); |
| assertTrue(dummy != null); |
| } |
| |
| protected void testMethods(List methods) throws Exception { |
| ReflectorGenerator generator = new ReflectorGenerator(methods); |
| String name = getClass().getName() + "." + getMethodName(); |
| ClassWriter cw = new ClassWriter(true); |
| |
| |
| ASMifierClassVisitor dumper = new ASMifierClassVisitor(new PrintWriter(new OutputStreamWriter(System.out))); |
| //generator.generate(dumper, name); |
| |
| generator.generate(new CheckClassAdapter(cw), name); |
| |
| byte[] bytecode = cw.toByteArray(); |
| |
| // lets write it to disk |
| String fileName = "target/" + name + ".class"; |
| FileOutputStream out = new FileOutputStream(fileName); |
| out.write(bytecode); |
| out.close(); |
| |
| // now lets try dump it |
| ASMifierClassVisitor.main(new String[] { fileName }); |
| |
| // now lets try class load it |
| MetaClassRegistry registry = new MetaClassRegistry(); |
| Class type = registry.loadClass(name, bytecode); |
| |
| Object reflector = type.newInstance(); |
| |
| System.out.println("Created new reflector: " + reflector); |
| } |
| } |