Merge branch 'master' into plugin-framework

1 files changed, 935 insertions, 0 deletions

diff --git a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/JavaMembers.java b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/JavaMembers.java
new file mode 100644
index 0000000..84ef2d4
--- /dev/null
+++ b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/JavaMembers.java
@@ -0,0 +1,935 @@
+/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Rhino code, released
+ * May 6, 1999.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1997-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Norris Boyd
+ *   Cameron McCormack
+ *   Frank Mitchell
+ *   Mike Shaver
+ *   Kurt Westerfeld
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License Version 2 or later (the "GPL"), in which
+ * case the provisions of the GPL are applicable instead of those above. If
+ * you wish to allow use of your version of this file only under the terms of
+ * the GPL and not to allow others to use your version of this file under the
+ * MPL, indicate your decision by deleting the provisions above and replacing
+ * them with the notice and other provisions required by the GPL. If you do
+ * not delete the provisions above, a recipient may use your version of this
+ * file under either the MPL or the GPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+package org.mozilla.javascript;
+
+import java.lang.reflect.*;
+import java.util.*;
+
+/**
+ *
+ * @author Mike Shaver
+ * @author Norris Boyd
+ * @see NativeJavaObject
+ * @see NativeJavaClass
+ */
+class JavaMembers
+{
+    JavaMembers(Scriptable scope, Class cl)
+    {
+        this(scope, cl, false);
+    }
+
+    JavaMembers(Scriptable scope, Class cl, boolean includeProtected)
+    {
+        try {
+            Context cx = ContextFactory.getGlobal().enterContext();
+            ClassShutter shutter = cx.getClassShutter();
+            if (shutter != null && !shutter.visibleToScripts(cl.getName())) {
+                throw Context.reportRuntimeError1("msg.access.prohibited",
+                                                  cl.getName());
+            }
+            this.includePrivate = cx.hasFeature(
+                Context.FEATURE_ENHANCED_JAVA_ACCESS);
+            this.members = new Hashtable(23);
+            this.staticMembers = new Hashtable(7);
+            this.cl = cl;
+            reflect(scope, includeProtected);
+        } finally {
+            Context.exit();
+        }
+    }
+
+    boolean has(String name, boolean isStatic)
+    {
+        Hashtable ht = isStatic ? staticMembers : members;
+        Object obj = ht.get(name);
+        if (obj != null) {
+            return true;
+        }
+        return findExplicitFunction(name, isStatic) != null;
+    }
+
+    Object get(Scriptable scope, String name, Object javaObject,
+               boolean isStatic)
+    {
+        Hashtable ht = isStatic ? staticMembers : members;
+        Object member = ht.get(name);
+        if (!isStatic && member == null) {
+            // Try to get static member from instance (LC3)
+            member = staticMembers.get(name);
+        }
+        if (member == null) {
+            member = this.getExplicitFunction(scope, name,
+                                              javaObject, isStatic);
+            if (member == null)
+                return Scriptable.NOT_FOUND;
+        }
+        if (member instanceof Scriptable) {
+            return member;
+        }
+        Context cx = Context.getContext();
+        Object rval;
+        Class type;
+        try {
+            if (member instanceof BeanProperty) {
+                BeanProperty bp = (BeanProperty) member;
+                if (bp.getter == null)
+                    return Scriptable.NOT_FOUND;
+                rval = bp.getter.invoke(javaObject, Context.emptyArgs);
+                type = bp.getter.method().getReturnType();
+            } else {
+                Field field = (Field) member;
+                rval = field.get(isStatic ? null : javaObject);
+                type = field.getType();
+            }
+        } catch (Exception ex) {
+            throw Context.throwAsScriptRuntimeEx(ex);
+        }
+        // Need to wrap the object before we return it.
+        scope = ScriptableObject.getTopLevelScope(scope);
+        return cx.getWrapFactory().wrap(cx, scope, rval, type);
+    }
+
+    void put(Scriptable scope, String name, Object javaObject,
+             Object value, boolean isStatic)
+    {
+        Hashtable ht = isStatic ? staticMembers : members;
+        Object member = ht.get(name);
+        if (!isStatic && member == null) {
+            // Try to get static member from instance (LC3)
+            member = staticMembers.get(name);
+        }
+        if (member == null)
+            throw reportMemberNotFound(name);
+        if (member instanceof FieldAndMethods) {
+            FieldAndMethods fam = (FieldAndMethods) ht.get(name);
+            member = fam.field;
+        }
+
+        // Is this a bean property "set"?
+        if (member instanceof BeanProperty) {
+            BeanProperty bp = (BeanProperty)member;
+            if (bp.setter == null) {
+                throw reportMemberNotFound(name);
+            }
+            // If there's only one setter or if the value is null, use the
+            // main setter. Otherwise, let the NativeJavaMethod decide which
+            // setter to use:
+            if (bp.setters == null || value == null) {
+                Class setType = bp.setter.argTypes[0];
+                Object[] args = { Context.jsToJava(value, setType) };
+                try {
+                    bp.setter.invoke(javaObject, args);
+                } catch (Exception ex) {
+                  throw Context.throwAsScriptRuntimeEx(ex);
+                }
+            } else {
+                Object[] args = { value };
+                bp.setters.call(Context.getContext(),
+                                ScriptableObject.getTopLevelScope(scope),
+                                scope, args);
+            }
+        }
+        else {
+            if (!(member instanceof Field)) {
+                String str = (member == null) ? "msg.java.internal.private"
+                                              : "msg.java.method.assign";
+                throw Context.reportRuntimeError1(str, name);
+            }
+            Field field = (Field)member;
+            Object javaValue = Context.jsToJava(value, field.getType());
+            try {
+                field.set(javaObject, javaValue);
+            } catch (IllegalAccessException accessEx) {
+                if ((field.getModifiers() & Modifier.FINAL) != 0) {
+                    // treat Java final the same as JavaScript [[READONLY]]
+                    return;
+                }
+                throw Context.throwAsScriptRuntimeEx(accessEx);
+            } catch (IllegalArgumentException argEx) {
+                throw Context.reportRuntimeError3(
+                    "msg.java.internal.field.type",
+                    value.getClass().getName(), field,
+                    javaObject.getClass().getName());
+            }
+        }
+    }
+
+    Object[] getIds(boolean isStatic)
+    {
+        Hashtable ht = isStatic ? staticMembers : members;
+        int len = ht.size();
+        Object[] result = new Object[len];
+        Enumeration keys = ht.keys();
+        for (int i=0; i < len; i++)
+            result[i] = keys.nextElement();
+        return result;
+    }
+
+    static String javaSignature(Class type)
+    {
+        if (!type.isArray()) {
+            return type.getName();
+        } else {
+            int arrayDimension = 0;
+            do {
+                ++arrayDimension;
+                type = type.getComponentType();
+            } while (type.isArray());
+            String name = type.getName();
+            String suffix = "[]";
+            if (arrayDimension == 1) {
+                return name.concat(suffix);
+            } else {
+                int length = name.length() + arrayDimension * suffix.length();
+                StringBuffer sb = new StringBuffer(length);
+                sb.append(name);
+                while (arrayDimension != 0) {
+                    --arrayDimension;
+                    sb.append(suffix);
+                }
+                return sb.toString();
+            }
+        }
+    }
+
+    static String liveConnectSignature(Class[] argTypes)
+    {
+        int N = argTypes.length;
+        if (N == 0) { return "()"; }
+        StringBuffer sb = new StringBuffer();
+        sb.append('(');
+        for (int i = 0; i != N; ++i) {
+            if (i != 0) {
+                sb.append(',');
+            }
+            sb.append(javaSignature(argTypes[i]));
+        }
+        sb.append(')');
+        return sb.toString();
+    }
+
+    private MemberBox findExplicitFunction(String name, boolean isStatic)
+    {
+        int sigStart = name.indexOf('(');
+        if (sigStart < 0) { return null; }
+
+        Hashtable ht = isStatic ? staticMembers : members;
+        MemberBox[] methodsOrCtors = null;
+        boolean isCtor = (isStatic && sigStart == 0);
+
+        if (isCtor) {
+            // Explicit request for an overloaded constructor
+            methodsOrCtors = ctors;
+        } else {
+            // Explicit request for an overloaded method
+            String trueName = name.substring(0,sigStart);
+            Object obj = ht.get(trueName);
+            if (!isStatic && obj == null) {
+                // Try to get static member from instance (LC3)
+                obj = staticMembers.get(trueName);
+            }
+            if (obj instanceof NativeJavaMethod) {
+                NativeJavaMethod njm = (NativeJavaMethod)obj;
+                methodsOrCtors = njm.methods;
+            }
+        }
+
+        if (methodsOrCtors != null) {
+            for (int i = 0; i < methodsOrCtors.length; i++) {
+                Class[] type = methodsOrCtors[i].argTypes;
+                String sig = liveConnectSignature(type);
+                if (sigStart + sig.length() == name.length()
+                    && name.regionMatches(sigStart, sig, 0, sig.length()))
+                {
+                    return methodsOrCtors[i];
+                }
+            }
+        }
+
+        return null;
+    }
+
+    private Object getExplicitFunction(Scriptable scope, String name,
+                                       Object javaObject, boolean isStatic)
+    {
+        Hashtable ht = isStatic ? staticMembers : members;
+        Object member = null;
+        MemberBox methodOrCtor = findExplicitFunction(name, isStatic);
+
+        if (methodOrCtor != null) {
+            Scriptable prototype =
+                ScriptableObject.getFunctionPrototype(scope);
+
+            if (methodOrCtor.isCtor()) {
+                NativeJavaConstructor fun =
+                    new NativeJavaConstructor(methodOrCtor);
+                fun.setPrototype(prototype);
+                member = fun;
+                ht.put(name, fun);
+            } else {
+                String trueName = methodOrCtor.getName();
+                member = ht.get(trueName);
+
+                if (member instanceof NativeJavaMethod &&
+                    ((NativeJavaMethod)member).methods.length > 1 ) {
+                    NativeJavaMethod fun =
+                        new NativeJavaMethod(methodOrCtor, name);
+                    fun.setPrototype(prototype);
+                    ht.put(name, fun);
+                    member = fun;
+                }
+            }
+        }
+
+        return member;
+    }
+
+    /**
+     * Retrieves mapping of methods to accessible methods for a class.
+     * In case the class is not public, retrieves methods with same 
+     * signature as its public methods from public superclasses and 
+     * interfaces (if they exist). Basically upcasts every method to the 
+     * nearest accessible method.
+     */
+    private static Method[] discoverAccessibleMethods(Class clazz, 
+                                                      boolean includeProtected,
+                                                      boolean includePrivate)
+    {
+        Map map = new HashMap();
+        discoverAccessibleMethods(clazz, map, includeProtected, includePrivate);
+        return (Method[])map.values().toArray(new Method[map.size()]);
+    }
+    
+    private static void discoverAccessibleMethods(Class clazz, Map map,
+                                                  boolean includeProtected,
+                                                  boolean includePrivate)
+    {
+        if (Modifier.isPublic(clazz.getModifiers()) || includePrivate) {
+            try {
+                if (includeProtected || includePrivate) {
+                    while (clazz != null) {
+                        try {
+                            Method[] methods = clazz.getDeclaredMethods();
+                            for (int i = 0; i < methods.length; i++) {
+                                Method method = methods[i];
+                                int mods = method.getModifiers();
+    
+                                if (Modifier.isPublic(mods) ||
+                                    Modifier.isProtected(mods) ||
+                                    includePrivate)
+                                {
+                                    if (includePrivate)
+                                        method.setAccessible(true);
+                                    map.put(new MethodSignature(method), method);
+                                }
+                            }
+                            clazz = clazz.getSuperclass();
+                        } catch (SecurityException e) {
+                            // Some security settings (i.e., applets) disallow
+                            // access to Class.getDeclaredMethods. Fall back to
+                            // Class.getMethods.
+                            Method[] methods = clazz.getMethods();
+                            for (int i = 0; i < methods.length; i++) {
+                                Method method = methods[i];
+                                MethodSignature sig 
+                                    = new MethodSignature(method);
+                                if (map.get(sig) == null)
+                                    map.put(sig, method);
+                            }
+                            break; // getMethods gets superclass methods, no
+                                   // need to loop any more
+                        }
+                    }
+                } else {
+                    Method[] methods = clazz.getMethods();
+                    for (int i = 0; i < methods.length; i++) {
+                        Method method = methods[i];
+                        MethodSignature sig = new MethodSignature(method);
+                        map.put(sig, method);
+                    }
+                }
+                return;
+            } catch (SecurityException e) {
+                Context.reportWarning(
+                        "Could not discover accessible methods of class " +
+                            clazz.getName() + " due to lack of privileges, " +
+                            "attemping superclasses/interfaces.");
+                // Fall through and attempt to discover superclass/interface
+                // methods
+            }
+        }
+
+        Class[] interfaces = clazz.getInterfaces();
+        for (int i = 0; i < interfaces.length; i++) {
+            discoverAccessibleMethods(interfaces[i], map, includeProtected,
+                    includePrivate);
+        }
+        Class superclass = clazz.getSuperclass();
+        if (superclass != null) {
+            discoverAccessibleMethods(superclass, map, includeProtected,
+                    includePrivate);
+        }
+    }
+
+    private static final class MethodSignature
+    {
+        private final String name;
+        private final Class[] args;
+        
+        private MethodSignature(String name, Class[] args)
+        {
+            this.name = name;
+            this.args = args;
+        }
+        
+        MethodSignature(Method method)
+        {
+            this(method.getName(), method.getParameterTypes());
+        }
+        
+        public boolean equals(Object o)
+        {
+            if(o instanceof MethodSignature)
+            {
+                MethodSignature ms = (MethodSignature)o;
+                return ms.name.equals(name) && Arrays.equals(args, ms.args);
+            }
+            return false;
+        }
+        
+        public int hashCode()
+        {
+            return name.hashCode() ^ args.length;
+        }
+    }
+    
+    private void reflect(Scriptable scope, boolean includeProtected)
+    {
+        // We reflect methods first, because we want overloaded field/method
+        // names to be allocated to the NativeJavaMethod before the field
+        // gets in the way.
+
+        Method[] methods = discoverAccessibleMethods(cl, includeProtected,
+                                                     includePrivate);
+        for (int i = 0; i < methods.length; i++) {
+            Method method = methods[i];
+            int mods = method.getModifiers();
+            boolean isStatic = Modifier.isStatic(mods);
+            Hashtable ht = isStatic ? staticMembers : members;
+            String name = method.getName();
+            Object value = ht.get(name);
+            if (value == null) {
+                ht.put(name, method);
+            } else {
+                ObjArray overloadedMethods;
+                if (value instanceof ObjArray) {
+                    overloadedMethods = (ObjArray)value;
+                } else {
+                    if (!(value instanceof Method)) Kit.codeBug();
+                    // value should be instance of Method as at this stage
+                    // staticMembers and members can only contain methods
+                    overloadedMethods = new ObjArray();
+                    overloadedMethods.add(value);
+                    ht.put(name, overloadedMethods);
+                }
+                overloadedMethods.add(method);
+            }
+        }
+
+        // replace Method instances by wrapped NativeJavaMethod objects
+        // first in staticMembers and then in members
+        for (int tableCursor = 0; tableCursor != 2; ++tableCursor) {
+            boolean isStatic = (tableCursor == 0);
+            Hashtable ht = (isStatic) ? staticMembers : members;
+            Enumeration e = ht.keys();
+            while (e.hasMoreElements()) {
+                String name = (String)e.nextElement();
+                MemberBox[] methodBoxes;
+                Object value = ht.get(name);
+                if (value instanceof Method) {
+                    methodBoxes = new MemberBox[1];
+                    methodBoxes[0] = new MemberBox((Method)value);
+                } else {
+                    ObjArray overloadedMethods = (ObjArray)value;
+                    int N = overloadedMethods.size();
+                    if (N < 2) Kit.codeBug();
+                    methodBoxes = new MemberBox[N];
+                    for (int i = 0; i != N; ++i) {
+                        Method method = (Method)overloadedMethods.get(i);
+                        methodBoxes[i] = new MemberBox(method);
+                    }
+                }
+                NativeJavaMethod fun = new NativeJavaMethod(methodBoxes);
+                if (scope != null) {
+                    ScriptRuntime.setFunctionProtoAndParent(fun, scope);
+                }
+                ht.put(name, fun);
+            }
+        }
+
+        // Reflect fields.
+        Field[] fields = getAccessibleFields();
+        for (int i = 0; i < fields.length; i++) {
+            Field field = fields[i];
+            String name = field.getName();
+            int mods = field.getModifiers();
+            if (!includePrivate && !Modifier.isPublic(mods)) {
+                continue;
+            }
+            try {
+                boolean isStatic = Modifier.isStatic(mods);
+                Hashtable ht = isStatic ? staticMembers : members;
+                Object member = ht.get(name);
+                if (member == null) {
+                    ht.put(name, field);
+                } else if (member instanceof NativeJavaMethod) {
+                    NativeJavaMethod method = (NativeJavaMethod) member;
+                    FieldAndMethods fam
+                        = new FieldAndMethods(scope, method.methods, field);
+                    Hashtable fmht = isStatic ? staticFieldAndMethods
+                                              : fieldAndMethods;
+                    if (fmht == null) {
+                        fmht = new Hashtable(4);
+                        if (isStatic) {
+                            staticFieldAndMethods = fmht;
+                        } else {
+                            fieldAndMethods = fmht;
+                        }
+                    }
+                    fmht.put(name, fam);
+                    ht.put(name, fam);
+                } else if (member instanceof Field) {
+                    Field oldField = (Field) member;
+                    // If this newly reflected field shadows an inherited field,
+                    // then replace it. Otherwise, since access to the field
+                    // would be ambiguous from Java, no field should be
+                    // reflected.
+                    // For now, the first field found wins, unless another field
+                    // explicitly shadows it.
+                    if (oldField.getDeclaringClass().
+                            isAssignableFrom(field.getDeclaringClass()))
+                    {
+                        ht.put(name, field);
+                    }
+                } else {
+                    // "unknown member type"
+                    Kit.codeBug();
+                }
+            } catch (SecurityException e) {
+                // skip this field
+                Context.reportWarning("Could not access field "
+                        + name + " of class " + cl.getName() +
+                        " due to lack of privileges.");
+            }
+        }
+
+        // Create bean propeties from corresponding get/set methods first for
+        // static members and then for instance members
+        for (int tableCursor = 0; tableCursor != 2; ++tableCursor) {
+            boolean isStatic = (tableCursor == 0);
+            Hashtable ht = (isStatic) ? staticMembers : members;
+
+            Hashtable toAdd = new Hashtable();
+
+            // Now, For each member, make "bean" properties.
+            for (Enumeration e = ht.keys(); e.hasMoreElements(); ) {
+
+                // Is this a getter?
+                String name = (String) e.nextElement();
+                boolean memberIsGetMethod = name.startsWith("get");
+                boolean memberIsSetMethod = name.startsWith("set");
+                boolean memberIsIsMethod = name.startsWith("is");
+                if (memberIsGetMethod || memberIsIsMethod 
+                        || memberIsSetMethod) {
+                    // Double check name component.
+                    String nameComponent
+                        = name.substring(memberIsIsMethod ? 2 : 3);
+                    if (nameComponent.length() == 0)
+                        continue;
+
+                    // Make the bean property name.
+                    String beanPropertyName = nameComponent;
+                    char ch0 = nameComponent.charAt(0);
+                    if (Character.isUpperCase(ch0)) {
+                        if (nameComponent.length() == 1) {
+                            beanPropertyName = nameComponent.toLowerCase();
+                        } else {
+                            char ch1 = nameComponent.charAt(1);
+                            if (!Character.isUpperCase(ch1)) {
+                                beanPropertyName = Character.toLowerCase(ch0)
+                                                   +nameComponent.substring(1);
+                            }
+                        }
+                    }
+
+                    // If we already have a member by this name, don't do this
+                    // property.
+                    if (ht.containsKey(beanPropertyName)
+                            || toAdd.containsKey(beanPropertyName)) {
+                        continue;
+                    }
+
+                    // Find the getter method, or if there is none, the is-
+                    // method.
+                    MemberBox getter = null;
+                    getter = findGetter(isStatic, ht, "get", nameComponent);
+                    // If there was no valid getter, check for an is- method.
+                    if (getter == null) {
+                        getter = findGetter(isStatic, ht, "is", nameComponent);
+                    }
+
+                    // setter
+                    MemberBox setter = null;
+                    NativeJavaMethod setters = null;
+                    String setterName = "set".concat(nameComponent);
+
+                    if (ht.containsKey(setterName)) {
+                        // Is this value a method?
+                        Object member = ht.get(setterName);
+                        if (member instanceof NativeJavaMethod) {
+                            NativeJavaMethod njmSet = (NativeJavaMethod)member;
+                            if (getter != null) {
+                                // We have a getter. Now, do we have a matching 
+                                // setter?
+                                Class type = getter.method().getReturnType();
+                                setter = extractSetMethod(type, njmSet.methods,
+                                                            isStatic);
+                            } else {
+                                // No getter, find any set method
+                                setter = extractSetMethod(njmSet.methods, 
+                                                            isStatic);
+                            }
+                            if (njmSet.methods.length > 1) {
+                                setters = njmSet;
+                            }
+                        }
+                    }
+                    // Make the property.
+                    BeanProperty bp = new BeanProperty(getter, setter,
+                                                       setters);
+                    toAdd.put(beanPropertyName, bp);
+                }
+            }
+
+            // Add the new bean properties.
+            for (Enumeration e = toAdd.keys(); e.hasMoreElements();) {
+                Object key = e.nextElement();
+                Object value = toAdd.get(key);
+                ht.put(key, value);
+            }
+        }
+
+        // Reflect constructors
+        Constructor[] constructors = getAccessibleConstructors();
+        ctors = new MemberBox[constructors.length];
+        for (int i = 0; i != constructors.length; ++i) {
+            ctors[i] = new MemberBox(constructors[i]);
+        }
+    }
+
+    private Constructor[] getAccessibleConstructors()
+    {
+      // The JVM currently doesn't allow changing access on java.lang.Class
+      // constructors, so don't try
+      if (includePrivate && cl != ScriptRuntime.ClassClass) {
+          try {
+              Constructor[] cons = cl.getDeclaredConstructors();
+              Constructor.setAccessible(cons, true);
+
+              return cons;
+          } catch (SecurityException e) {
+              // Fall through to !includePrivate case
+              Context.reportWarning("Could not access constructor " +
+                    " of class " + cl.getName() +
+                    " due to lack of privileges.");
+          }
+      }
+      return cl.getConstructors();
+    }
+
+    private Field[] getAccessibleFields() {
+        if (includePrivate) {
+            try {
+                ArrayList fieldsList = new ArrayList();
+                Class currentClass = cl;
+
+                while (currentClass != null) {
+                    // get all declared fields in this class, make them
+                    // accessible, and save
+                    Field[] declared = currentClass.getDeclaredFields();
+                    for (int i = 0; i < declared.length; i++) {
+                        declared[i].setAccessible(true);
+                        fieldsList.add(declared[i]);
+                    }
+                    // walk up superclass chain.  no need to deal specially with
+                    // interfaces, since they can't have fields
+                    currentClass = currentClass.getSuperclass();
+                }
+
+                return (Field[]) fieldsList.toArray(
+                        new Field[fieldsList.size()]);
+            } catch (SecurityException e) {
+                // fall through to !includePrivate case
+            }
+        }
+        return cl.getFields();
+    }
+
+    private MemberBox findGetter(boolean isStatic, Hashtable ht, String prefix,
+                                 String propertyName)
+    {
+        String getterName = prefix.concat(propertyName);
+        if (ht.containsKey(getterName)) {
+            // Check that the getter is a method.
+            Object member = ht.get(getterName);
+            if (member instanceof NativeJavaMethod) {
+                NativeJavaMethod njmGet = (NativeJavaMethod) member;
+                return extractGetMethod(njmGet.methods, isStatic);
+            }
+        }
+        return null;
+    }
+
+    private static MemberBox extractGetMethod(MemberBox[] methods,
+                                              boolean isStatic)
+    {
+        // Inspect the list of all MemberBox for the only one having no
+        // parameters
+        for (int methodIdx = 0; methodIdx < methods.length; methodIdx++) {
+            MemberBox method = methods[methodIdx];
+            // Does getter method have an empty parameter list with a return
+            // value (eg. a getSomething() or isSomething())?
+            if (method.argTypes.length == 0
+                && (!isStatic || method.isStatic()))
+            {
+                Class type = method.method().getReturnType();
+                if (type != Void.TYPE) {
+                    return method;
+                }
+                break;
+            }
+        }
+        return null;
+    }
+
+    private static MemberBox extractSetMethod(Class type, MemberBox[] methods,
+                                              boolean isStatic)
+    {
+        //
+        // Note: it may be preferable to allow NativeJavaMethod.findFunction()
+        //       to find the appropriate setter; unfortunately, it requires an
+        //       instance of the target arg to determine that.
+        //
+
+        // Make two passes: one to find a method with direct type assignment,
+        // and one to find a widening conversion.
+        for (int pass = 1; pass <= 2; ++pass) {
+            for (int i = 0; i < methods.length; ++i) {
+                MemberBox method = methods[i];
+                if (!isStatic || method.isStatic()) {
+                    Class[] params = method.argTypes;
+                    if (params.length == 1) {
+                        if (pass == 1) {
+                            if (params[0] == type) {
+                                return method;
+                            }
+                        } else {
+                            if (pass != 2) Kit.codeBug();
+                            if (params[0].isAssignableFrom(type)) {
+                                return method;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        return null;
+    }
+
+    private static MemberBox extractSetMethod(MemberBox[] methods,
+                                              boolean isStatic)
+    {
+
+        for (int i = 0; i < methods.length; ++i) {
+            MemberBox method = methods[i];
+            if (!isStatic || method.isStatic()) {
+                if (method.method().getReturnType() == Void.TYPE) {
+                    if (method.argTypes.length == 1) {
+                        return method;
+                    }
+                }
+            }
+        }
+        return null;
+    }
+
+    Hashtable getFieldAndMethodsObjects(Scriptable scope, Object javaObject,
+                                        boolean isStatic)
+    {
+        Hashtable ht = isStatic ? staticFieldAndMethods : fieldAndMethods;
+        if (ht == null)
+            return null;
+        int len = ht.size();
+        Hashtable result = new Hashtable(len);
+        Enumeration e = ht.elements();
+        while (len-- > 0) {
+            FieldAndMethods fam = (FieldAndMethods) e.nextElement();
+            FieldAndMethods famNew = new FieldAndMethods(scope, fam.methods,
+                                                         fam.field);
+            famNew.javaObject = javaObject;
+            result.put(fam.field.getName(), famNew);
+        }
+        return result;
+    }
+
+    static JavaMembers lookupClass(Scriptable scope, Class dynamicType,
+                                   Class staticType, boolean includeProtected)
+    {
+        JavaMembers members;
+        scope = ScriptableObject.getTopLevelScope(scope);
+        ClassCache cache = ClassCache.get(scope);
+        Map<Class<?>,JavaMembers> ct = cache.getClassCacheMap();
+
+        Class cl = dynamicType;
+        for (;;) {
+            members = ct.get(cl);
+            if (members != null) {
+                return members;
+            }
+            try {
+                members = new JavaMembers(scope, cl, includeProtected);
+                break;
+            } catch (SecurityException e) {
+                // Reflection may fail for objects that are in a restricted
+                // access package (e.g. sun.*).  If we get a security
+                // exception, try again with the static type if it is interface.
+                // Otherwise, try superclass
+                if (staticType != null && staticType.isInterface()) {
+                    cl = staticType;
+                    staticType = null; // try staticType only once
+                } else {
+                    Class parent = cl.getSuperclass();
+                    if (parent == null) {
+                        if (cl.isInterface()) {
+                            // last resort after failed staticType interface
+                            parent = ScriptRuntime.ObjectClass;
+                        } else {
+                            throw e;
+                        }
+                    }
+                    cl = parent;
+                }
+            }
+        }
+
+        if (cache.isCachingEnabled())
+            ct.put(cl, members);
+        return members;
+    }
+
+    RuntimeException reportMemberNotFound(String memberName)
+    {
+        return Context.reportRuntimeError2(
+            "msg.java.member.not.found", cl.getName(), memberName);
+    }
+
+    private Class cl;
+    private Hashtable members;
+    private Hashtable fieldAndMethods;
+    private Hashtable staticMembers;
+    private Hashtable staticFieldAndMethods;
+    MemberBox[] ctors;
+    private boolean includePrivate;
+}
+
+class BeanProperty
+{
+    BeanProperty(MemberBox getter, MemberBox setter, NativeJavaMethod setters)
+    {
+        this.getter = getter;
+        this.setter = setter;
+        this.setters = setters;
+    }
+
+    MemberBox getter;
+    MemberBox setter;
+    NativeJavaMethod setters;
+}
+
+class FieldAndMethods extends NativeJavaMethod
+{
+    static final long serialVersionUID = -9222428244284796755L;
+
+    FieldAndMethods(Scriptable scope, MemberBox[] methods, Field field)
+    {
+        super(methods);
+        this.field = field;
+        setParentScope(scope);
+        setPrototype(ScriptableObject.getFunctionPrototype(scope));
+    }
+
+    public Object getDefaultValue(Class hint)
+    {
+        if (hint == ScriptRuntime.FunctionClass)
+            return this;
+        Object rval;
+        Class type;
+        try {
+            rval = field.get(javaObject);
+            type = field.getType();
+        } catch (IllegalAccessException accEx) {
+            throw Context.reportRuntimeError1(
+                "msg.java.internal.private", field.getName());
+        }
+        Context cx  = Context.getContext();
+        rval = cx.getWrapFactory().wrap(cx, this, rval, type);
+        if (rval instanceof Scriptable) {
+            rval = ((Scriptable) rval).getDefaultValue(hint);
+        }
+        return rval;
+    }
+
+    Field field;
+    Object javaObject;
+}