Author: fhanik
Date: Thu Apr 27 09:56:52 2006
New Revision: 397588

URL: http://svn.apache.org/viewcvs?rev=397588&view=rev
Log:
Independent build script for jar and documentation generation

Added:
    
tomcat/container/tc5.5.x/modules/groupcom/test/org/apache/catalina/tribes/demos/IntrospectionUtils.java
Modified:
    tomcat/container/tc5.5.x/modules/groupcom/build/build.xml

Modified: tomcat/container/tc5.5.x/modules/groupcom/build/build.xml
URL: 
http://svn.apache.org/viewcvs/tomcat/container/tc5.5.x/modules/groupcom/build/build.xml?rev=397588&r1=397587&r2=397588&view=diff
==============================================================================
--- tomcat/container/tc5.5.x/modules/groupcom/build/build.xml (original)
+++ tomcat/container/tc5.5.x/modules/groupcom/build/build.xml Thu Apr 27 
09:56:52 2006
@@ -26,6 +26,9 @@
 
   <path id="tribes.classpath">
     <pathelement location="${basedir}/build/commons-logging-api.jar"/>
+    <!--
+    <pathelement location="${basedir}/build/commons-logging.jar"/>
+    -->
   </path>
   
   
@@ -42,7 +45,13 @@
   </target>
   
   <target name="compile" depends="init">
-    <javac debug="true" deprecation="true" destdir="${compile.path}" 
nowarn="true" source="1.4" target="1.4">
+    <javac debug="true" 
+           deprecation="true" 
+           destdir="${compile.path}" 
+           nowarn="true" 
+           source="1.4" 
+           target="1.4">
+      <classpath refid="tribes.classpath"/>     
       <src refid="java.sourcepath" />
     </javac>
     <!--include all the other resources, including source code-->

Added: 
tomcat/container/tc5.5.x/modules/groupcom/test/org/apache/catalina/tribes/demos/IntrospectionUtils.java
URL: 
http://svn.apache.org/viewcvs/tomcat/container/tc5.5.x/modules/groupcom/test/org/apache/catalina/tribes/demos/IntrospectionUtils.java?rev=397588&view=auto
==============================================================================
--- 
tomcat/container/tc5.5.x/modules/groupcom/test/org/apache/catalina/tribes/demos/IntrospectionUtils.java
 (added)
+++ 
tomcat/container/tc5.5.x/modules/groupcom/test/org/apache/catalina/tribes/demos/IntrospectionUtils.java
 Thu Apr 27 09:56:52 2006
@@ -0,0 +1,1002 @@
+/*
+ *  Copyright 1999-2004 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.catalina.tribes.demos;
+
+import java.io.File;
+import java.io.FilenameFilter;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.net.InetAddress;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.UnknownHostException;
+import java.util.Hashtable;
+import java.util.StringTokenizer;
+import java.util.Vector;
+
+// Depends: JDK1.1
+
+/**
+ * Utils for introspection and reflection
+ */
+public final class IntrospectionUtils {
+
+
+    private static org.apache.commons.logging.Log log=
+        org.apache.commons.logging.LogFactory.getLog( IntrospectionUtils.class 
);
+
+    /**
+     * Call execute() - any ant-like task should work
+     */
+    public static void execute(Object proxy, String method) throws Exception {
+        Method executeM = null;
+        Class c = proxy.getClass();
+        Class params[] = new Class[0];
+        //     params[0]=args.getClass();
+        executeM = findMethod(c, method, params);
+        if (executeM == null) {
+            throw new RuntimeException("No execute in " + proxy.getClass());
+        }
+        executeM.invoke(proxy, (Object[]) null);//new Object[] { args });
+    }
+
+    /**
+     * Call void setAttribute( String ,Object )
+     */
+    public static void setAttribute(Object proxy, String n, Object v)
+            throws Exception {
+        if (proxy instanceof AttributeHolder) {
+            ((AttributeHolder) proxy).setAttribute(n, v);
+            return;
+        }
+
+        Method executeM = null;
+        Class c = proxy.getClass();
+        Class params[] = new Class[2];
+        params[0] = String.class;
+        params[1] = Object.class;
+        executeM = findMethod(c, "setAttribute", params);
+        if (executeM == null) {
+            if (log.isDebugEnabled())
+                log.debug("No setAttribute in " + proxy.getClass());
+            return;
+        }
+        if (false)
+            if (log.isDebugEnabled())
+                log.debug("Setting " + n + "=" + v + "  in " + proxy);
+        executeM.invoke(proxy, new Object[] { n, v });
+        return;
+    }
+
+    /**
+     * Call void getAttribute( String )
+     */
+    public static Object getAttribute(Object proxy, String n) throws Exception 
{
+        Method executeM = null;
+        Class c = proxy.getClass();
+        Class params[] = new Class[1];
+        params[0] = String.class;
+        executeM = findMethod(c, "getAttribute", params);
+        if (executeM == null) {
+            if (log.isDebugEnabled())
+                log.debug("No getAttribute in " + proxy.getClass());
+            return null;
+        }
+        return executeM.invoke(proxy, new Object[] { n });
+    }
+
+    /**
+     * Construct a URLClassLoader. Will compile and work in JDK1.1 too.
+     */
+    public static ClassLoader getURLClassLoader(URL urls[], ClassLoader 
parent) {
+        try {
+            Class urlCL = Class.forName("java.net.URLClassLoader");
+            Class paramT[] = new Class[2];
+            paramT[0] = urls.getClass();
+            paramT[1] = ClassLoader.class;
+            Method m = findMethod(urlCL, "newInstance", paramT);
+            if (m == null)
+                return null;
+
+            ClassLoader cl = (ClassLoader) m.invoke(urlCL, new Object[] { urls,
+                    parent });
+            return cl;
+        } catch (ClassNotFoundException ex) {
+            // jdk1.1
+            return null;
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            return null;
+        }
+    }
+
+    public static String guessInstall(String installSysProp,
+            String homeSysProp, String jarName) {
+        return guessInstall(installSysProp, homeSysProp, jarName, null);
+    }
+
+    /**
+     * Guess a product install/home by analyzing the class path. It works for
+     * product using the pattern: lib/executable.jar or if executable.jar is
+     * included in classpath by a shell script. ( java -jar also works )
+     *
+     * Insures both "install" and "home" System properties are set. If either 
or
+     * both System properties are unset, "install" and "home" will be set to 
the
+     * same value. This value will be the other System property that is set, or
+     * the guessed value if neither is set.
+     */
+    public static String guessInstall(String installSysProp,
+            String homeSysProp, String jarName, String classFile) {
+        String install = null;
+        String home = null;
+
+        if (installSysProp != null)
+            install = System.getProperty(installSysProp);
+
+        if (homeSysProp != null)
+            home = System.getProperty(homeSysProp);
+
+        if (install != null) {
+            if (home == null)
+                System.getProperties().put(homeSysProp, install);
+            return install;
+        }
+
+        // Find the directory where jarName.jar is located
+
+        String cpath = System.getProperty("java.class.path");
+        String pathSep = System.getProperty("path.separator");
+        StringTokenizer st = new StringTokenizer(cpath, pathSep);
+        while (st.hasMoreTokens()) {
+            String path = st.nextToken();
+            //     log( "path " + path );
+            if (path.endsWith(jarName)) {
+                home = path.substring(0, path.length() - jarName.length());
+                try {
+                    if ("".equals(home)) {
+                        home = new File("./").getCanonicalPath();
+                    } else if (home.endsWith(File.separator)) {
+                        home = home.substring(0, home.length() - 1);
+                    }
+                    File f = new File(home);
+                    String parentDir = f.getParent();
+                    if (parentDir == null)
+                        parentDir = home; // unix style
+                    File f1 = new File(parentDir);
+                    install = f1.getCanonicalPath();
+                    if (installSysProp != null)
+                        System.getProperties().put(installSysProp, install);
+                    if (home == null && homeSysProp != null)
+                        System.getProperties().put(homeSysProp, install);
+                    return install;
+                } catch (Exception ex) {
+                    ex.printStackTrace();
+                }
+            } else {
+                String fname = path + (path.endsWith("/") ? "" : "/")
+                        + classFile;
+                if (new File(fname).exists()) {
+                    try {
+                        File f = new File(path);
+                        String parentDir = f.getParent();
+                        if (parentDir == null)
+                            parentDir = path; // unix style
+                        File f1 = new File(parentDir);
+                        install = f1.getCanonicalPath();
+                        if (installSysProp != null)
+                            System.getProperties().put(installSysProp, 
install);
+                        if (home == null && homeSysProp != null)
+                            System.getProperties().put(homeSysProp, install);
+                        return install;
+                    } catch (Exception ex) {
+                        ex.printStackTrace();
+                    }
+                }
+            }
+        }
+
+        // if install directory can't be found, use home as the default
+        if (home != null) {
+            System.getProperties().put(installSysProp, home);
+            return home;
+        }
+
+        return null;
+    }
+
+    /**
+     * Debug method, display the classpath
+     */
+    public static void displayClassPath(String msg, URL[] cp) {
+        if (log.isDebugEnabled()) {
+            log.debug(msg);
+            for (int i = 0; i < cp.length; i++) {
+                log.debug(cp[i].getFile());
+            }
+        }
+    }
+
+    public static String PATH_SEPARATOR = System.getProperty("path.separator");
+
+    /**
+     * Adds classpath entries from a vector of URL's to the "tc_path_add" 
System
+     * property. This System property lists the classpath entries common to web
+     * applications. This System property is currently used by Jasper when its
+     * JSP servlet compiles the Java file for a JSP.
+     */
+    public static String classPathAdd(URL urls[], String cp) {
+        if (urls == null)
+            return cp;
+
+        for (int i = 0; i < urls.length; i++) {
+            if (cp != null)
+                cp += PATH_SEPARATOR + urls[i].getFile();
+            else
+                cp = urls[i].getFile();
+        }
+        return cp;
+    }
+
+    /**
+     * Find a method with the right name If found, call the method ( if param 
is
+     * int or boolean we'll convert value to the right type before) - that 
means
+     * you can have setDebug(1).
+     */
+    public static void setProperty(Object o, String name, String value) {
+        if (dbg > 1)
+            d("setProperty(" + o.getClass() + " " + name + "=" + value + ")");
+
+        String setter = "set" + capitalize(name);
+
+        try {
+            Method methods[] = findMethods(o.getClass());
+            Method setPropertyMethod = null;
+
+            // First, the ideal case - a setFoo( String ) method
+            for (int i = 0; i < methods.length; i++) {
+                Class paramT[] = methods[i].getParameterTypes();
+                if (setter.equals(methods[i].getName()) && paramT.length == 1
+                        && "java.lang.String".equals(paramT[0].getName())) {
+
+                    methods[i].invoke(o, new Object[] { value });
+                    return;
+                }
+            }
+
+            // Try a setFoo ( int ) or ( boolean )
+            for (int i = 0; i < methods.length; i++) {
+                boolean ok = true;
+                if (setter.equals(methods[i].getName())
+                        && methods[i].getParameterTypes().length == 1) {
+
+                    // match - find the type and invoke it
+                    Class paramType = methods[i].getParameterTypes()[0];
+                    Object params[] = new Object[1];
+
+                    // Try a setFoo ( int )
+                    if ("java.lang.Integer".equals(paramType.getName())
+                            || "int".equals(paramType.getName())) {
+                        try {
+                            params[0] = new Integer(value);
+                        } catch (NumberFormatException ex) {
+                            ok = false;
+                        }
+                    // Try a setFoo ( long )
+                    }else if ("java.lang.Long".equals(paramType.getName())
+                                || "long".equals(paramType.getName())) {
+                            try {
+                                params[0] = new Long(value);
+                            } catch (NumberFormatException ex) {
+                                ok = false;
+                            }
+
+                        // Try a setFoo ( boolean )
+                    } else if ("java.lang.Boolean".equals(paramType.getName())
+                            || "boolean".equals(paramType.getName())) {
+                        params[0] = new Boolean(value);
+
+                        // Try a setFoo ( InetAddress )
+                    } else if ("java.net.InetAddress".equals(paramType
+                            .getName())) {
+                        try {
+                            params[0] = InetAddress.getByName(value);
+                        } catch (UnknownHostException exc) {
+                            d("Unable to resolve host name:" + value);
+                            ok = false;
+                        }
+
+                        // Unknown type
+                    } else {
+                        d("Unknown type " + paramType.getName());
+                    }
+
+                    if (ok) {
+                        methods[i].invoke(o, params);
+                        return;
+                    }
+                }
+
+                // save "setProperty" for later
+                if ("setProperty".equals(methods[i].getName())) {
+                    setPropertyMethod = methods[i];
+                }
+            }
+
+            // Ok, no setXXX found, try a setProperty("name", "value")
+            if (setPropertyMethod != null) {
+                Object params[] = new Object[2];
+                params[0] = name;
+                params[1] = value;
+                setPropertyMethod.invoke(o, params);
+            }
+
+        } catch (IllegalArgumentException ex2) {
+            log.warn("IAE " + o + " " + name + " " + value, ex2);
+        } catch (SecurityException ex1) {
+            if (dbg > 0)
+                d("SecurityException for " + o.getClass() + " " + name + "="
+                        + value + ")");
+            if (dbg > 1)
+                ex1.printStackTrace();
+        } catch (IllegalAccessException iae) {
+            if (dbg > 0)
+                d("IllegalAccessException for " + o.getClass() + " " + name
+                        + "=" + value + ")");
+            if (dbg > 1)
+                iae.printStackTrace();
+        } catch (InvocationTargetException ie) {
+            if (dbg > 0)
+                d("InvocationTargetException for " + o.getClass() + " " + name
+                        + "=" + value + ")");
+            if (dbg > 1)
+                ie.printStackTrace();
+        }
+    }
+
+    public static Object getProperty(Object o, String name) {
+        String getter = "get" + capitalize(name);
+        String isGetter = "is" + capitalize(name);
+
+        try {
+            Method methods[] = findMethods(o.getClass());
+            Method getPropertyMethod = null;
+
+            // First, the ideal case - a getFoo() method
+            for (int i = 0; i < methods.length; i++) {
+                Class paramT[] = methods[i].getParameterTypes();
+                if (getter.equals(methods[i].getName()) && paramT.length == 0) 
{
+                    return methods[i].invoke(o, (Object[]) null);
+                }
+                if (isGetter.equals(methods[i].getName()) && paramT.length == 
0) {
+                    return methods[i].invoke(o, (Object[]) null);
+                }
+
+                if ("getProperty".equals(methods[i].getName())) {
+                    getPropertyMethod = methods[i];
+                }
+            }
+
+            // Ok, no setXXX found, try a getProperty("name")
+            if (getPropertyMethod != null) {
+                Object params[] = new Object[1];
+                params[0] = name;
+                return getPropertyMethod.invoke(o, params);
+            }
+
+        } catch (IllegalArgumentException ex2) {
+            log.warn("IAE " + o + " " + name, ex2);
+        } catch (SecurityException ex1) {
+            if (dbg > 0)
+                d("SecurityException for " + o.getClass() + " " + name + ")");
+            if (dbg > 1)
+                ex1.printStackTrace();
+        } catch (IllegalAccessException iae) {
+            if (dbg > 0)
+                d("IllegalAccessException for " + o.getClass() + " " + name
+                        + ")");
+            if (dbg > 1)
+                iae.printStackTrace();
+        } catch (InvocationTargetException ie) {
+            if (dbg > 0)
+                d("InvocationTargetException for " + o.getClass() + " " + name
+                        + ")");
+            if (dbg > 1)
+                ie.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     */
+    public static void setProperty(Object o, String name) {
+        String setter = "set" + capitalize(name);
+        try {
+            Method methods[] = findMethods(o.getClass());
+            Method setPropertyMethod = null;
+            // find setFoo() method
+            for (int i = 0; i < methods.length; i++) {
+                Class paramT[] = methods[i].getParameterTypes();
+                if (setter.equals(methods[i].getName()) && paramT.length == 0) 
{
+                    methods[i].invoke(o, new Object[] {});
+                    return;
+                }
+            }
+        } catch (Exception ex1) {
+            if (dbg > 0)
+                d("Exception for " + o.getClass() + " " + name);
+            if (dbg > 1)
+                ex1.printStackTrace();
+        }
+    }
+
+    /**
+     * Replace ${NAME} with the property value
+     *
+     * @deprecated Use the explicit method
+     */
+    public static String replaceProperties(String value, Object getter) {
+        if (getter instanceof Hashtable)
+            return replaceProperties(value, (Hashtable) getter, null);
+
+        if (getter instanceof PropertySource) {
+            PropertySource src[] = new PropertySource[] { (PropertySource) 
getter };
+            return replaceProperties(value, null, src);
+        }
+        return value;
+    }
+
+    /**
+     * Replace ${NAME} with the property value
+     */
+    public static String replaceProperties(String value, Hashtable staticProp,
+            PropertySource dynamicProp[]) {
+        StringBuffer sb = new StringBuffer();
+        int prev = 0;
+        // assert value!=nil
+        int pos;
+        while ((pos = value.indexOf("$", prev)) >= 0) {
+            if (pos > 0) {
+                sb.append(value.substring(prev, pos));
+            }
+            if (pos == (value.length() - 1)) {
+                sb.append('$');
+                prev = pos + 1;
+            } else if (value.charAt(pos + 1) != '{') {
+                sb.append('$');
+                prev = pos + 1; // XXX
+            } else {
+                int endName = value.indexOf('}', pos);
+                if (endName < 0) {
+                    sb.append(value.substring(pos));
+                    prev = value.length();
+                    continue;
+                }
+                String n = value.substring(pos + 2, endName);
+                String v = null;
+                if (staticProp != null) {
+                    v = (String) ((Hashtable) staticProp).get(n);
+                }
+                if (v == null && dynamicProp != null) {
+                    for (int i = 0; i < dynamicProp.length; i++) {
+                        v = dynamicProp[i].getProperty(n);
+                        if (v != null) {
+                            break;
+                        }
+                    }
+                }
+                if (v == null)
+                    v = "${" + n + "}";
+
+                sb.append(v);
+                prev = endName + 1;
+            }
+        }
+        if (prev < value.length())
+            sb.append(value.substring(prev));
+        return sb.toString();
+    }
+
+    /**
+     * Reverse of Introspector.decapitalize
+     */
+    public static String capitalize(String name) {
+        if (name == null || name.length() == 0) {
+            return name;
+        }
+        char chars[] = name.toCharArray();
+        chars[0] = Character.toUpperCase(chars[0]);
+        return new String(chars);
+    }
+
+    public static String unCapitalize(String name) {
+        if (name == null || name.length() == 0) {
+            return name;
+        }
+        char chars[] = name.toCharArray();
+        chars[0] = Character.toLowerCase(chars[0]);
+        return new String(chars);
+    }
+
+    // -------------------- Class path tools --------------------
+
+    /**
+     * Add all the jar files in a dir to the classpath, represented as a Vector
+     * of URLs.
+     */
+    public static void addToClassPath(Vector cpV, String dir) {
+        try {
+            String cpComp[] = getFilesByExt(dir, ".jar");
+            if (cpComp != null) {
+                int jarCount = cpComp.length;
+                for (int i = 0; i < jarCount; i++) {
+                    URL url = getURL(dir, cpComp[i]);
+                    if (url != null)
+                        cpV.addElement(url);
+                }
+            }
+        } catch (Exception ex) {
+            ex.printStackTrace();
+        }
+    }
+
+    public static void addToolsJar(Vector v) {
+        try {
+            // Add tools.jar in any case
+            File f = new File(System.getProperty("java.home")
+                    + "/../lib/tools.jar");
+
+            if (!f.exists()) {
+                // On some systems java.home gets set to the root of jdk.
+                // That's a bug, but we can work around and be nice.
+                f = new File(System.getProperty("java.home") + 
"/lib/tools.jar");
+                if (f.exists()) {
+                    if (log.isDebugEnabled())
+                        log.debug("Detected strange java.home value "
+                            + System.getProperty("java.home")
+                            + ", it should point to jre");
+                }
+            }
+            URL url = new URL("file", "", f.getAbsolutePath());
+
+            v.addElement(url);
+        } catch (MalformedURLException ex) {
+            ex.printStackTrace();
+        }
+    }
+
+    /**
+     * Return all files with a given extension in a dir
+     */
+    public static String[] getFilesByExt(String ld, String ext) {
+        File dir = new File(ld);
+        String[] names = null;
+        final String lext = ext;
+        if (dir.isDirectory()) {
+            names = dir.list(new FilenameFilter() {
+                public boolean accept(File d, String name) {
+                    if (name.endsWith(lext)) {
+                        return true;
+                    }
+                    return false;
+                }
+            });
+        }
+        return names;
+    }
+
+    /**
+     * Construct a file url from a file, using a base dir
+     */
+    public static URL getURL(String base, String file) {
+        try {
+            File baseF = new File(base);
+            File f = new File(baseF, file);
+            String path = f.getCanonicalPath();
+            if (f.isDirectory()) {
+                path += "/";
+            }
+            if (!f.exists())
+                return null;
+            return new URL("file", "", path);
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            return null;
+        }
+    }
+
+    /**
+     * Add elements from the classpath <i>cp </i> to a Vector <i>jars </i> as
+     * file URLs (We use Vector for JDK 1.1 compat).
+     * <p>
+     *
+     * @param jars The jar list
+     * @param cp a String classpath of directory or jar file elements
+     *   separated by path.separator delimiters.
+     * @throws IOException If an I/O error occurs
+     * @throws MalformedURLException Doh ;)
+     */
+    public static void addJarsFromClassPath(Vector jars, String cp)
+            throws IOException, MalformedURLException {
+        String sep = System.getProperty("path.separator");
+        String token;
+        StringTokenizer st;
+        if (cp != null) {
+            st = new StringTokenizer(cp, sep);
+            while (st.hasMoreTokens()) {
+                File f = new File(st.nextToken());
+                String path = f.getCanonicalPath();
+                if (f.isDirectory()) {
+                    path += "/";
+                }
+                URL url = new URL("file", "", path);
+                if (!jars.contains(url)) {
+                    jars.addElement(url);
+                }
+            }
+        }
+    }
+
+    /**
+     * Return a URL[] that can be used to construct a class loader
+     */
+    public static URL[] getClassPath(Vector v) {
+        URL[] urls = new URL[v.size()];
+        for (int i = 0; i < v.size(); i++) {
+            urls[i] = (URL) v.elementAt(i);
+        }
+        return urls;
+    }
+
+    /**
+     * Construct a URL classpath from files in a directory, a cpath property,
+     * and tools.jar.
+     */
+    public static URL[] getClassPath(String dir, String cpath,
+            String cpathProp, boolean addTools) throws IOException,
+            MalformedURLException {
+        Vector jarsV = new Vector();
+        if (dir != null) {
+            // Add dir/classes first, if it exists
+            URL url = getURL(dir, "classes");
+            if (url != null)
+                jarsV.addElement(url);
+            addToClassPath(jarsV, dir);
+        }
+
+        if (cpath != null)
+            addJarsFromClassPath(jarsV, cpath);
+
+        if (cpathProp != null) {
+            String cpath1 = System.getProperty(cpathProp);
+            addJarsFromClassPath(jarsV, cpath1);
+        }
+
+        if (addTools)
+            addToolsJar(jarsV);
+
+        return getClassPath(jarsV);
+    }
+
+    // -------------------- Mapping command line params to setters
+
+    public static boolean processArgs(Object proxy, String args[])
+            throws Exception {
+        String args0[] = null;
+        if (null != findMethod(proxy.getClass(), "getOptions1", new Class[] 
{})) {
+            args0 = (String[]) callMethod0(proxy, "getOptions1");
+        }
+
+        if (args0 == null) {
+            //args0=findVoidSetters(proxy.getClass());
+            args0 = findBooleanSetters(proxy.getClass());
+        }
+        Hashtable h = null;
+        if (null != findMethod(proxy.getClass(), "getOptionAliases",
+                new Class[] {})) {
+            h = (Hashtable) callMethod0(proxy, "getOptionAliases");
+        }
+        return processArgs(proxy, args, args0, null, h);
+    }
+
+    public static boolean processArgs(Object proxy, String args[],
+            String args0[], String args1[], Hashtable aliases) throws 
Exception {
+        for (int i = 0; i < args.length; i++) {
+            String arg = args[i];
+            if (arg.startsWith("-"))
+                arg = arg.substring(1);
+            if (aliases != null && aliases.get(arg) != null)
+                arg = (String) aliases.get(arg);
+
+            if (args0 != null) {
+                boolean set = false;
+                for (int j = 0; j < args0.length; j++) {
+                    if (args0[j].equalsIgnoreCase(arg)) {
+                        setProperty(proxy, args0[j], "true");
+                        set = true;
+                        break;
+                    }
+                }
+                if (set)
+                    continue;
+            }
+            if (args1 != null) {
+                for (int j = 0; j < args1.length; j++) {
+                    if (args1[j].equalsIgnoreCase(arg)) {
+                        i++;
+                        if (i >= args.length)
+                            return false;
+                        setProperty(proxy, arg, args[i]);
+                        break;
+                    }
+                }
+            } else {
+                // if args1 is not specified,assume all other options have 
param
+                i++;
+                if (i >= args.length)
+                    return false;
+                setProperty(proxy, arg, args[i]);
+            }
+
+        }
+        return true;
+    }
+
+    // -------------------- other utils --------------------
+    public static void clear() {
+        objectMethods.clear();
+    }
+
+    public static String[] findVoidSetters(Class c) {
+        Method m[] = findMethods(c);
+        if (m == null)
+            return null;
+        Vector v = new Vector();
+        for (int i = 0; i < m.length; i++) {
+            if (m[i].getName().startsWith("set")
+                    && m[i].getParameterTypes().length == 0) {
+                String arg = m[i].getName().substring(3);
+                v.addElement(unCapitalize(arg));
+            }
+        }
+        String s[] = new String[v.size()];
+        for (int i = 0; i < s.length; i++) {
+            s[i] = (String) v.elementAt(i);
+        }
+        return s;
+    }
+
+    public static String[] findBooleanSetters(Class c) {
+        Method m[] = findMethods(c);
+        if (m == null)
+            return null;
+        Vector v = new Vector();
+        for (int i = 0; i < m.length; i++) {
+            if (m[i].getName().startsWith("set")
+                    && m[i].getParameterTypes().length == 1
+                    && "boolean".equalsIgnoreCase(m[i].getParameterTypes()[0]
+                            .getName())) {
+                String arg = m[i].getName().substring(3);
+                v.addElement(unCapitalize(arg));
+            }
+        }
+        String s[] = new String[v.size()];
+        for (int i = 0; i < s.length; i++) {
+            s[i] = (String) v.elementAt(i);
+        }
+        return s;
+    }
+
+    static Hashtable objectMethods = new Hashtable();
+
+    public static Method[] findMethods(Class c) {
+        Method methods[] = (Method[]) objectMethods.get(c);
+        if (methods != null)
+            return methods;
+
+        methods = c.getMethods();
+        objectMethods.put(c, methods);
+        return methods;
+    }
+
+    public static Method findMethod(Class c, String name, Class params[]) {
+        Method methods[] = findMethods(c);
+        if (methods == null)
+            return null;
+        for (int i = 0; i < methods.length; i++) {
+            if (methods[i].getName().equals(name)) {
+                Class methodParams[] = methods[i].getParameterTypes();
+                if (methodParams == null)
+                    if (params == null || params.length == 0)
+                        return methods[i];
+                if (params == null)
+                    if (methodParams == null || methodParams.length == 0)
+                        return methods[i];
+                if (params.length != methodParams.length)
+                    continue;
+                boolean found = true;
+                for (int j = 0; j < params.length; j++) {
+                    if (params[j] != methodParams[j]) {
+                        found = false;
+                        break;
+                    }
+                }
+                if (found)
+                    return methods[i];
+            }
+        }
+        return null;
+    }
+
+    /** Test if the object implements a particular
+     *  method
+     */
+    public static boolean hasHook(Object obj, String methodN) {
+        try {
+            Method myMethods[] = findMethods(obj.getClass());
+            for (int i = 0; i < myMethods.length; i++) {
+                if (methodN.equals(myMethods[i].getName())) {
+                    // check if it's overriden
+                    Class declaring = myMethods[i].getDeclaringClass();
+                    Class parentOfDeclaring = declaring.getSuperclass();
+                    // this works only if the base class doesn't extend
+                    // another class.
+
+                    // if the method is declared in a top level class
+                    // like BaseInterceptor parent is Object, otherwise
+                    // parent is BaseInterceptor or an intermediate class
+                    if 
(!"java.lang.Object".equals(parentOfDeclaring.getName())) {
+                        return true;
+                    }
+                }
+            }
+        } catch (Exception ex) {
+            ex.printStackTrace();
+        }
+        return false;
+    }
+
+    public static void callMain(Class c, String args[]) throws Exception {
+        Class p[] = new Class[1];
+        p[0] = args.getClass();
+        Method m = c.getMethod("main", p);
+        m.invoke(c, new Object[] { args });
+    }
+
+    public static Object callMethod1(Object target, String methodN,
+            Object param1, String typeParam1, ClassLoader cl) throws Exception 
{
+        if (target == null || param1 == null) {
+            d("Assert: Illegal params " + target + " " + param1);
+        }
+        if (dbg > 0)
+            d("callMethod1 " + target.getClass().getName() + " "
+                    + param1.getClass().getName() + " " + typeParam1);
+
+        Class params[] = new Class[1];
+        if (typeParam1 == null)
+            params[0] = param1.getClass();
+        else
+            params[0] = cl.loadClass(typeParam1);
+        Method m = findMethod(target.getClass(), methodN, params);
+        if (m == null)
+            throw new NoSuchMethodException(target.getClass().getName() + " "
+                    + methodN);
+        return m.invoke(target, new Object[] { param1 });
+    }
+
+    public static Object callMethod0(Object target, String methodN)
+            throws Exception {
+        if (target == null) {
+            d("Assert: Illegal params " + target);
+            return null;
+        }
+        if (dbg > 0)
+            d("callMethod0 " + target.getClass().getName() + "." + methodN);
+
+        Class params[] = new Class[0];
+        Method m = findMethod(target.getClass(), methodN, params);
+        if (m == null)
+            throw new NoSuchMethodException(target.getClass().getName() + " "
+                    + methodN);
+        return m.invoke(target, emptyArray);
+    }
+
+    static Object[] emptyArray = new Object[] {};
+
+    public static Object callMethodN(Object target, String methodN,
+            Object params[], Class typeParams[]) throws Exception {
+        Method m = null;
+        m = findMethod(target.getClass(), methodN, typeParams);
+        if (m == null) {
+            d("Can't find method " + methodN + " in " + target + " CLASS "
+                    + target.getClass());
+            return null;
+        }
+        Object o = m.invoke(target, params);
+
+        if (dbg > 0) {
+            // debug
+            StringBuffer sb = new StringBuffer();
+            sb.append("" + target.getClass().getName() + "." + methodN + "( ");
+            for (int i = 0; i < params.length; i++) {
+                if (i > 0)
+                    sb.append(", ");
+                sb.append(params[i]);
+            }
+            sb.append(")");
+            d(sb.toString());
+        }
+        return o;
+    }
+
+    public static Object convert(String object, Class paramType) {
+        Object result = null;
+        if ("java.lang.String".equals(paramType.getName())) {
+            result = object;
+        } else if ("java.lang.Integer".equals(paramType.getName())
+                || "int".equals(paramType.getName())) {
+            try {
+                result = new Integer(object);
+            } catch (NumberFormatException ex) {
+            }
+            // Try a setFoo ( boolean )
+        } else if ("java.lang.Boolean".equals(paramType.getName())
+                || "boolean".equals(paramType.getName())) {
+            result = new Boolean(object);
+
+            // Try a setFoo ( InetAddress )
+        } else if ("java.net.InetAddress".equals(paramType
+                .getName())) {
+            try {
+                result = InetAddress.getByName(object);
+            } catch (UnknownHostException exc) {
+                d("Unable to resolve host name:" + object);
+            }
+
+            // Unknown type
+        } else {
+            d("Unknown type " + paramType.getName());
+        }
+        if (result == null) {
+            throw new IllegalArgumentException("Can't convert argument: " + 
object);
+        }
+        return result;
+    }
+
+    // -------------------- Get property --------------------
+    // This provides a layer of abstraction
+
+    public static interface PropertySource {
+
+        public String getProperty(String key);
+
+    }
+
+    public static interface AttributeHolder {
+
+        public void setAttribute(String key, Object o);
+
+    }
+
+    // debug --------------------
+    static final int dbg = 0;
+
+    static void d(String s) {
+        if (log.isDebugEnabled())
+            log.debug("IntrospectionUtils: " + s);
+    }
+}



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