1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/classes/com/sun/jmx/mbeanserver/IntrospectorProxy.java	Mon Jun 22 12:49:51 2009 +0200
     1.3 @@ -0,0 +1,85 @@
     1.4 +/*
     1.5 + * Copyright 2005-2008 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Sun designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Sun in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.26 + * have any questions.
    1.27 + */
    1.28 +
    1.29 +package com.sun.jmx.mbeanserver;
    1.30 +
    1.31 +import java.lang.reflect.InvocationTargetException;
    1.32 +import java.lang.reflect.Method;
    1.33 +import java.util.Iterator;
    1.34 +import java.util.Map;
    1.35 +import java.util.ServiceLoader;
    1.36 +import java.util.TreeMap;
    1.37 +
    1.38 +public abstract class IntrospectorProxy {
    1.39 +    public static IntrospectorProxy getDefault() {
    1.40 +        Iterator<IntrospectorProxy> it = ServiceLoader.load(IntrospectorProxy.class).iterator();
    1.41 +        return it.hasNext() ? it.next() : new SimpleIntrospector();
    1.42 +    }
    1.43 +
    1.44 +    /** Either fills the map with inspected Method objects (if values == null)
    1.45 +     * or with real values of those methods called on the values target
    1.46 +     */
    1.47 +    public abstract Map<String, Object> inspectClass(Class<?> type, Object values);
    1.48 +
    1.49 +    private static final class SimpleIntrospector extends IntrospectorProxy {
    1.50 +        @Override
    1.51 +        public Map<String,Object> inspectClass(Class<?> type, Object values) {
    1.52 +            Map<String, Object> map = new TreeMap<String, Object>();
    1.53 +            try {
    1.54 +                for (Method get : type.getMethods()) {
    1.55 +                    if (get.getName().equals("getClass")) {
    1.56 +                        continue;
    1.57 +                    }
    1.58 +                    if (get.getParameterTypes().length != 0) {
    1.59 +                        continue;
    1.60 +                    }
    1.61 +                    String name;
    1.62 +                    if (get.getName().startsWith("get")) {
    1.63 +                        name = get.getName().substring(3);
    1.64 +                    } else {
    1.65 +                        if (get.getName().startsWith("is")) {
    1.66 +                            name = get.getName().substring(2);
    1.67 +                        } else {
    1.68 +                            continue;
    1.69 +                        }
    1.70 +                    }
    1.71 +                    if (values == null) {
    1.72 +                        map.put(name, get);
    1.73 +                    } else {
    1.74 +                        map.put(name, get.invoke(values));
    1.75 +                    }
    1.76 +                }
    1.77 +            } catch (Exception e) {
    1.78 +                Throwable t = e;
    1.79 +                if (t instanceof InvocationTargetException) {
    1.80 +                    t = t.getCause();
    1.81 +                }
    1.82 +                map.put("Exception", t);
    1.83 +            }
    1.84 +            return map;
    1.85 +        }
    1.86 +
    1.87 +    }
    1.88 +}
    1.89 \ No newline at end of file