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Diffstat (limited to 'bcel-builder/src/org/aspectj/apache/bcel/util/JavaWrapper.java')
| -rw-r--r-- | bcel-builder/src/org/aspectj/apache/bcel/util/JavaWrapper.java | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/bcel-builder/src/org/aspectj/apache/bcel/util/JavaWrapper.java b/bcel-builder/src/org/aspectj/apache/bcel/util/JavaWrapper.java deleted file mode 100644 index 353a000b8..000000000 --- a/bcel-builder/src/org/aspectj/apache/bcel/util/JavaWrapper.java +++ /dev/null @@ -1,152 +0,0 @@ -package org.aspectj.apache.bcel.util; - -/* ==================================================================== - * The Apache Software License, Version 1.1 - * - * Copyright (c) 2001 The Apache Software Foundation. All rights - * reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 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 end-user documentation included with the redistribution, - * if any, must include the following acknowledgment: - * "This product includes software developed by the - * Apache Software Foundation (http://www.apache.org/)." - * Alternately, this acknowledgment may appear in the software itself, - * if and wherever such third-party acknowledgments normally appear. - * - * 4. The names "Apache" and "Apache Software Foundation" and - * "Apache BCEL" must not be used to endorse or promote products - * derived from this software without prior written permission. For - * written permission, please contact apache@apache.org. - * - * 5. Products derived from this software may not be called "Apache", - * "Apache BCEL", nor may "Apache" appear in their name, without - * prior written permission of the Apache Software Foundation. - * - * THIS SOFTWARE IS PROVIDED ``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 APACHE SOFTWARE FOUNDATION 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. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - */ - -import java.lang.reflect.*; - -/** - * Java interpreter replacement, i.e., wrapper that uses its own ClassLoader - * to modify/generate classes as they're requested. You can take this as a template - * for your own applications.<br> - * Call this wrapper with - * <pre>java org.aspectj.apache.bcel.util.JavaWrapper <real.class.name> [arguments]</pre> - * <p> - * To use your own class loader you can set the "bcel.classloader" system property - * which defaults to "org.aspectj.apache.bcel.util.ClassLoader", e.g., with - * <pre>java org.aspectj.apache.bcel.util.JavaWrapper -Dbcel.classloader=foo.MyLoader <real.class.name> [arguments]</pre> - * </p> - * - * @version $Id: JavaWrapper.java,v 1.2 2004/11/19 16:45:19 aclement Exp $ - * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> - * @see ClassLoader - */ -public class JavaWrapper { - private java.lang.ClassLoader loader; - - private static java.lang.ClassLoader getClassLoader() { - String s = System.getProperty("bcel.classloader"); - - if((s == null) || "".equals(s)) - s = "org.aspectj.apache.bcel.util.ClassLoader"; - - try { - return (java.lang.ClassLoader)Class.forName(s).newInstance(); - } catch(Exception e) { - throw new RuntimeException(e.toString()); - } - } - - public JavaWrapper(java.lang.ClassLoader loader) { - this.loader = loader; - } - - public JavaWrapper() { - this(getClassLoader()); - } - - /** Runs the main method of the given class with the arguments passed in argv - * - * @param class_name the fully qualified class name - * @param argv the arguments just as you would pass them directly - */ - public void runMain(String class_name, String[] argv) throws ClassNotFoundException - { - Class cl = loader.loadClass(class_name); - Method method = null; - - try { - method = cl.getMethod("main", new Class[] { argv.getClass() }); - - /* Method main is sane ? - */ - int m = method.getModifiers(); - Class r = method.getReturnType(); - - if(!(Modifier.isPublic(m) && Modifier.isStatic(m)) || - Modifier.isAbstract(m) || (r != Void.TYPE)) - throw new NoSuchMethodException(); - } catch(NoSuchMethodException no) { - System.out.println("In class " + class_name + - ": public static void main(String[] argv) is not defined"); - return; - } - - try { - method.invoke(null, new Object[] { argv }); - } catch(Exception ex) { - ex.printStackTrace(); - } - } - - /** Default main method used as wrapper, expects the fully qualified class name - * of the real class as the first argument. - */ - public static void main(String[] argv) throws Exception { - /* Expects class name as first argument, other arguments are by-passed. - */ - if(argv.length == 0) { - System.out.println("Missing class name."); - return; - } - - String class_name = argv[0]; - String[] new_argv = new String[argv.length - 1]; - System.arraycopy(argv, 1, new_argv, 0, new_argv.length); - - JavaWrapper wrapper = new JavaWrapper(); - wrapper.runMain(class_name, new_argv); - } -} - |