diff options
Diffstat (limited to 'infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaObject.java')
| -rw-r--r-- | infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaObject.java | 1002 |
1 files changed, 0 insertions, 1002 deletions
diff --git a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaObject.java b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaObject.java deleted file mode 100644 index 3d27852..0000000 --- a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/NativeJavaObject.java +++ /dev/null @@ -1,1002 +0,0 @@ -/* -*- 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 - * Igor Bukanov - * Frank Mitchell - * Mike Shaver - * Kemal Bayram - * - * 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.io.*; -import java.lang.reflect.*; -import java.util.Hashtable; -import java.util.Date; - -/** - * This class reflects non-Array Java objects into the JavaScript environment. It - * reflect fields directly, and uses NativeJavaMethod objects to reflect (possibly - * overloaded) methods.<p> - * - * @author Mike Shaver - * @see NativeJavaArray - * @see NativeJavaPackage - * @see NativeJavaClass - */ - -public class NativeJavaObject implements Scriptable, Wrapper, Serializable -{ - static final long serialVersionUID = -6948590651130498591L; - - public NativeJavaObject() { } - - public NativeJavaObject(Scriptable scope, Object javaObject, - Class staticType) - { - this(scope, javaObject, staticType, false); - } - - public NativeJavaObject(Scriptable scope, Object javaObject, - Class staticType, boolean isAdapter) - { - this.parent = ScriptableObject.getVeryTopLevelScope(scope); // APPJET - this.javaObject = javaObject; - this.staticType = staticType; - this.isAdapter = isAdapter; - initMembers(); - } - - protected void initMembers() { - Class dynamicType; - if (javaObject != null) { - dynamicType = javaObject.getClass(); - } else { - dynamicType = staticType; - } - members = JavaMembers.lookupClass(parent, dynamicType, staticType, - isAdapter); - fieldAndMethods - = members.getFieldAndMethodsObjects(this, javaObject, false); - } - - public boolean has(String name, Scriptable start) { - return members.has(name, false); - } - - public boolean has(int index, Scriptable start) { - return false; - } - - public Object get(String name, Scriptable start) { - if (fieldAndMethods != null) { - Object result = fieldAndMethods.get(name); - if (result != null) { - return result; - } - } - // TODO: passing 'this' as the scope is bogus since it has - // no parent scope - return members.get(this, name, javaObject, false); - } - - public Object get(int index, Scriptable start) { - throw members.reportMemberNotFound(Integer.toString(index)); - } - - public void put(String name, Scriptable start, Object value) { - // We could be asked to modify the value of a property in the - // prototype. Since we can't add a property to a Java object, - // we modify it in the prototype rather than copy it down. - if (prototype == null || members.has(name, false)) - members.put(this, name, javaObject, value, false); - else - prototype.put(name, prototype, value); - } - - public void put(int index, Scriptable start, Object value) { - throw members.reportMemberNotFound(Integer.toString(index)); - } - - public boolean hasInstance(Scriptable value) { - // This is an instance of a Java class, so always return false - return false; - } - - public void delete(String name) { - } - - public void delete(int index) { - } - - public Scriptable getPrototype() { - if (prototype == null && javaObject instanceof String) { - return ScriptableObject.getClassPrototype(parent, "String"); - } - return prototype; - } - - /** - * Sets the prototype of the object. - */ - public void setPrototype(Scriptable m) { - prototype = m; - } - - /** - * Returns the parent (enclosing) scope of the object. - */ - public Scriptable getParentScope() { - return parent; - } - - /** - * Sets the parent (enclosing) scope of the object. - */ - public void setParentScope(Scriptable m) { - parent = m; - } - - public Object[] getIds() { - return members.getIds(false); - } - -/** -@deprecated Use {@link Context#getWrapFactory()} together with calling {@link -WrapFactory#wrap(Context, Scriptable, Object, Class)} -*/ - public static Object wrap(Scriptable scope, Object obj, Class staticType) { - - Context cx = Context.getContext(); - return cx.getWrapFactory().wrap(cx, scope, obj, staticType); - } - - public Object unwrap() { - return javaObject; - } - - public String getClassName() { - return "JavaObject"; - } - - public Object getDefaultValue(Class hint) - { - Object value; - if (hint == null) { - if (javaObject instanceof Boolean) { - hint = ScriptRuntime.BooleanClass; - } - } - if (hint == null || hint == ScriptRuntime.StringClass) { - value = javaObject.toString(); - } else { - String converterName; - if (hint == ScriptRuntime.BooleanClass) { - converterName = "booleanValue"; - } else if (hint == ScriptRuntime.NumberClass) { - converterName = "doubleValue"; - } else { - throw Context.reportRuntimeError0("msg.default.value"); - } - Object converterObject = get(converterName, this); - if (converterObject instanceof Function) { - Function f = (Function)converterObject; - value = f.call(Context.getContext(), f.getParentScope(), - this, ScriptRuntime.emptyArgs); - } else { - if (hint == ScriptRuntime.NumberClass - && javaObject instanceof Boolean) - { - boolean b = ((Boolean)javaObject).booleanValue(); - value = ScriptRuntime.wrapNumber(b ? 1.0 : 0.0); - } else { - value = javaObject.toString(); - } - } - } - return value; - } - - /** - * Determine whether we can/should convert between the given type and the - * desired one. This should be superceded by a conversion-cost calculation - * function, but for now I'll hide behind precedent. - */ - public static boolean canConvert(Object fromObj, Class to) { - int weight = getConversionWeight(fromObj, to); - - return (weight < CONVERSION_NONE); - } - - private static final int JSTYPE_UNDEFINED = 0; // undefined type - private static final int JSTYPE_NULL = 1; // null - private static final int JSTYPE_BOOLEAN = 2; // boolean - private static final int JSTYPE_NUMBER = 3; // number - private static final int JSTYPE_STRING = 4; // string - private static final int JSTYPE_JAVA_CLASS = 5; // JavaClass - private static final int JSTYPE_JAVA_OBJECT = 6; // JavaObject - private static final int JSTYPE_JAVA_ARRAY = 7; // JavaArray - private static final int JSTYPE_OBJECT = 8; // Scriptable - - static final byte CONVERSION_TRIVIAL = 1; - static final byte CONVERSION_NONTRIVIAL = 0; - static final byte CONVERSION_NONE = 99; - - /** - * Derive a ranking based on how "natural" the conversion is. - * The special value CONVERSION_NONE means no conversion is possible, - * and CONVERSION_NONTRIVIAL signals that more type conformance testing - * is required. - * Based on - * <a href="http://www.mozilla.org/js/liveconnect/lc3_method_overloading.html"> - * "preferred method conversions" from Live Connect 3</a> - */ - static int getConversionWeight(Object fromObj, Class to) { - int fromCode = getJSTypeCode(fromObj); - - switch (fromCode) { - - case JSTYPE_UNDEFINED: - if (to == ScriptRuntime.StringClass || - to == ScriptRuntime.ObjectClass) { - return 1; - } - break; - - case JSTYPE_NULL: - if (!to.isPrimitive()) { - return 1; - } - break; - - case JSTYPE_BOOLEAN: - // "boolean" is #1 - if (to == Boolean.TYPE) { - return 1; - } - else if (to == ScriptRuntime.BooleanClass) { - return 2; - } - else if (to == ScriptRuntime.ObjectClass) { - return 3; - } - else if (to == ScriptRuntime.StringClass) { - return 4; - } - break; - - case JSTYPE_NUMBER: - if (to.isPrimitive()) { - if (to == Double.TYPE) { - return 1; - } - else if (to != Boolean.TYPE) { - return 1 + getSizeRank(to); - } - } - else { - if (to == ScriptRuntime.StringClass) { - // native numbers are #1-8 - return 9; - } - else if (to == ScriptRuntime.ObjectClass) { - return 10; - } - else if (ScriptRuntime.NumberClass.isAssignableFrom(to)) { - // "double" is #1 - return 2; - } - } - break; - - case JSTYPE_STRING: - if (to == ScriptRuntime.StringClass) { - return 1; - } - else if (to.isInstance(fromObj)) { - return 2; - } - else if (to.isPrimitive()) { - if (to == Character.TYPE) { - return 3; - } else if (to != Boolean.TYPE) { - return 4; - } - } - break; - - case JSTYPE_JAVA_CLASS: - if (to == ScriptRuntime.ClassClass) { - return 1; - } - else if (to == ScriptRuntime.ObjectClass) { - return 3; - } - else if (to == ScriptRuntime.StringClass) { - return 4; - } - break; - - case JSTYPE_JAVA_OBJECT: - case JSTYPE_JAVA_ARRAY: - Object javaObj = fromObj; - if (javaObj instanceof Wrapper) { - javaObj = ((Wrapper)javaObj).unwrap(); - } - if (to.isInstance(javaObj)) { - return CONVERSION_NONTRIVIAL; - } - if (to == ScriptRuntime.StringClass) { - return 2; - } - else if (to.isPrimitive() && to != Boolean.TYPE) { - return (fromCode == JSTYPE_JAVA_ARRAY) - ? CONVERSION_NONE : 2 + getSizeRank(to); - } - break; - - case JSTYPE_OBJECT: - // Other objects takes #1-#3 spots - if (to == fromObj.getClass()) { - // No conversion required - return 1; - } - if (to.isArray()) { - if (fromObj instanceof NativeArray) { - // This is a native array conversion to a java array - // Array conversions are all equal, and preferable to object - // and string conversion, per LC3. - return 1; - } - } - else if (to == ScriptRuntime.ObjectClass) { - return 2; - } - else if (to == ScriptRuntime.StringClass) { - return 3; - } - else if (to == ScriptRuntime.DateClass) { - if (fromObj instanceof NativeDate) { - // This is a native date to java date conversion - return 1; - } - } - else if (to.isInterface()) { - if (fromObj instanceof Function) { - // See comments in coerceType - if (to.getMethods().length == 1) { - return 1; - } - } - return 11; - } - else if (to.isPrimitive() && to != Boolean.TYPE) { - return 3 + getSizeRank(to); - } - break; - } - - return CONVERSION_NONE; - } - - static int getSizeRank(Class aType) { - if (aType == Double.TYPE) { - return 1; - } - else if (aType == Float.TYPE) { - return 2; - } - else if (aType == Long.TYPE) { - return 3; - } - else if (aType == Integer.TYPE) { - return 4; - } - else if (aType == Short.TYPE) { - return 5; - } - else if (aType == Character.TYPE) { - return 6; - } - else if (aType == Byte.TYPE) { - return 7; - } - else if (aType == Boolean.TYPE) { - return CONVERSION_NONE; - } - else { - return 8; - } - } - - private static int getJSTypeCode(Object value) { - if (value == null) { - return JSTYPE_NULL; - } - else if (value == Undefined.instance) { - return JSTYPE_UNDEFINED; - } - else if (value instanceof String) { - return JSTYPE_STRING; - } - else if (value instanceof Number) { - return JSTYPE_NUMBER; - } - else if (value instanceof Boolean) { - return JSTYPE_BOOLEAN; - } - else if (value instanceof Scriptable) { - if (value instanceof NativeJavaClass) { - return JSTYPE_JAVA_CLASS; - } - else if (value instanceof NativeJavaArray) { - return JSTYPE_JAVA_ARRAY; - } - else if (value instanceof Wrapper) { - return JSTYPE_JAVA_OBJECT; - } - else { - return JSTYPE_OBJECT; - } - } - else if (value instanceof Class) { - return JSTYPE_JAVA_CLASS; - } - else { - Class valueClass = value.getClass(); - if (valueClass.isArray()) { - return JSTYPE_JAVA_ARRAY; - } - else { - return JSTYPE_JAVA_OBJECT; - } - } - } - - /** - * Not intended for public use. Callers should use the - * public API Context.toType. - * @deprecated as of 1.5 Release 4 - * @see org.mozilla.javascript.Context#jsToJava(Object, Class) - */ - public static Object coerceType(Class type, Object value) - { - return coerceTypeImpl(type, value); - } - - /** - * Type-munging for field setting and method invocation. - * Conforms to LC3 specification - */ - static Object coerceTypeImpl(Class type, Object value) - { - if (value != null && value.getClass() == type) { - return value; - } - - switch (getJSTypeCode(value)) { - - case JSTYPE_NULL: - // raise error if type.isPrimitive() - if (type.isPrimitive()) { - reportConversionError(value, type); - } - return null; - - case JSTYPE_UNDEFINED: - if (type == ScriptRuntime.StringClass || - type == ScriptRuntime.ObjectClass) { - return "undefined"; - } - else { - reportConversionError("undefined", type); - } - break; - - case JSTYPE_BOOLEAN: - // Under LC3, only JS Booleans can be coerced into a Boolean value - if (type == Boolean.TYPE || - type == ScriptRuntime.BooleanClass || - type == ScriptRuntime.ObjectClass) { - return value; - } - else if (type == ScriptRuntime.StringClass) { - return value.toString(); - } - else { - reportConversionError(value, type); - } - break; - - case JSTYPE_NUMBER: - if (type == ScriptRuntime.StringClass) { - return ScriptRuntime.toString(value); - } - else if (type == ScriptRuntime.ObjectClass) { - return coerceToNumber(Double.TYPE, value); - } - else if ((type.isPrimitive() && type != Boolean.TYPE) || - ScriptRuntime.NumberClass.isAssignableFrom(type)) { - return coerceToNumber(type, value); - } - else { - reportConversionError(value, type); - } - break; - - case JSTYPE_STRING: - if (type == ScriptRuntime.StringClass || type.isInstance(value)) { - return value; - } - else if (type == Character.TYPE - || type == ScriptRuntime.CharacterClass) - { - // Special case for converting a single char string to a - // character - // Placed here because it applies *only* to JS strings, - // not other JS objects converted to strings - if (((String)value).length() == 1) { - return new Character(((String)value).charAt(0)); - } - else { - return coerceToNumber(type, value); - } - } - else if ((type.isPrimitive() && type != Boolean.TYPE) - || ScriptRuntime.NumberClass.isAssignableFrom(type)) - { - return coerceToNumber(type, value); - } - else { - reportConversionError(value, type); - } - break; - - case JSTYPE_JAVA_CLASS: - if (value instanceof Wrapper) { - value = ((Wrapper)value).unwrap(); - } - - if (type == ScriptRuntime.ClassClass || - type == ScriptRuntime.ObjectClass) { - return value; - } - else if (type == ScriptRuntime.StringClass) { - return value.toString(); - } - else { - reportConversionError(value, type); - } - break; - - case JSTYPE_JAVA_OBJECT: - case JSTYPE_JAVA_ARRAY: - if (value instanceof Wrapper) { - value = ((Wrapper)value).unwrap(); - } - if (type.isPrimitive()) { - if (type == Boolean.TYPE) { - reportConversionError(value, type); - } - return coerceToNumber(type, value); - } - else { - if (type == ScriptRuntime.StringClass) { - return value.toString(); - } - else { - if (type.isInstance(value)) { - return value; - } - else { - reportConversionError(value, type); - } - } - } - break; - - case JSTYPE_OBJECT: - if (type == ScriptRuntime.StringClass) { - return ScriptRuntime.toString(value); - } - else if (type.isPrimitive()) { - if (type == Boolean.TYPE) { - reportConversionError(value, type); - } - return coerceToNumber(type, value); - } - else if (type.isInstance(value)) { - return value; - } - else if (type == ScriptRuntime.DateClass - && value instanceof NativeDate) - { - double time = ((NativeDate)value).getJSTimeValue(); - // XXX: This will replace NaN by 0 - return new Date((long)time); - } - else if (type.isArray() && value instanceof NativeArray) { - // Make a new java array, and coerce the JS array components - // to the target (component) type. - NativeArray array = (NativeArray) value; - long length = array.getLength(); - Class arrayType = type.getComponentType(); - Object Result = Array.newInstance(arrayType, (int)length); - for (int i = 0 ; i < length ; ++i) { - try { - Array.set(Result, i, coerceType(arrayType, - array.get(i, array))); - } - catch (EvaluatorException ee) { - reportConversionError(value, type); - } - } - - return Result; - } - else if (value instanceof Wrapper) { - value = ((Wrapper)value).unwrap(); - if (type.isInstance(value)) - return value; - reportConversionError(value, type); - } - else if (type.isInterface() && value instanceof Callable) { - // Try to use function as implementation of Java interface. - // - // XXX: Curently only instances of ScriptableObject are - // supported since the resulting interface proxies should - // be reused next time conversion is made and generic - // Callable has no storage for it. Weak references can - // address it but for now use this restriction. - if (value instanceof ScriptableObject) { - ScriptableObject so = (ScriptableObject)value; - Object key = Kit.makeHashKeyFromPair( - COERCED_INTERFACE_KEY, type); - Object old = so.getAssociatedValue(key); - if (old != null) { - // Function was already wrapped - return old; - } - Context cx = Context.getContext(); - Object glue - = InterfaceAdapter.create(cx, type, (Callable)value); - // Store for later retrival - glue = so.associateValue(key, glue); - return glue; - } - reportConversionError(value, type); - } else { - reportConversionError(value, type); - } - break; - } - - return value; - } - - private static Object coerceToNumber(Class type, Object value) - { - Class valueClass = value.getClass(); - - // Character - if (type == Character.TYPE || type == ScriptRuntime.CharacterClass) { - if (valueClass == ScriptRuntime.CharacterClass) { - return value; - } - return new Character((char)toInteger(value, - ScriptRuntime.CharacterClass, - Character.MIN_VALUE, - Character.MAX_VALUE)); - } - - // Double, Float - if (type == ScriptRuntime.ObjectClass || - type == ScriptRuntime.DoubleClass || type == Double.TYPE) { - return valueClass == ScriptRuntime.DoubleClass - ? value - : new Double(toDouble(value)); - } - - if (type == ScriptRuntime.FloatClass || type == Float.TYPE) { - if (valueClass == ScriptRuntime.FloatClass) { - return value; - } - else { - double number = toDouble(value); - if (Double.isInfinite(number) || Double.isNaN(number) - || number == 0.0) { - return new Float((float)number); - } - else { - double absNumber = Math.abs(number); - if (absNumber < Float.MIN_VALUE) { - return new Float((number > 0.0) ? +0.0 : -0.0); - } - else if (absNumber > Float.MAX_VALUE) { - return new Float((number > 0.0) ? - Float.POSITIVE_INFINITY : - Float.NEGATIVE_INFINITY); - } - else { - return new Float((float)number); - } - } - } - } - - // Integer, Long, Short, Byte - if (type == ScriptRuntime.IntegerClass || type == Integer.TYPE) { - if (valueClass == ScriptRuntime.IntegerClass) { - return value; - } - else { - return new Integer((int)toInteger(value, - ScriptRuntime.IntegerClass, - Integer.MIN_VALUE, - Integer.MAX_VALUE)); - } - } - - if (type == ScriptRuntime.LongClass || type == Long.TYPE) { - if (valueClass == ScriptRuntime.LongClass) { - return value; - } else { - /* Long values cannot be expressed exactly in doubles. - * We thus use the largest and smallest double value that - * has a value expressible as a long value. We build these - * numerical values from their hexidecimal representations - * to avoid any problems caused by attempting to parse a - * decimal representation. - */ - final double max = Double.longBitsToDouble(0x43dfffffffffffffL); - final double min = Double.longBitsToDouble(0xc3e0000000000000L); - return new Long(toInteger(value, - ScriptRuntime.LongClass, - min, - max)); - } - } - - if (type == ScriptRuntime.ShortClass || type == Short.TYPE) { - if (valueClass == ScriptRuntime.ShortClass) { - return value; - } - else { - return new Short((short)toInteger(value, - ScriptRuntime.ShortClass, - Short.MIN_VALUE, - Short.MAX_VALUE)); - } - } - - if (type == ScriptRuntime.ByteClass || type == Byte.TYPE) { - if (valueClass == ScriptRuntime.ByteClass) { - return value; - } - else { - return new Byte((byte)toInteger(value, - ScriptRuntime.ByteClass, - Byte.MIN_VALUE, - Byte.MAX_VALUE)); - } - } - - return new Double(toDouble(value)); - } - - - private static double toDouble(Object value) - { - if (value instanceof Number) { - return ((Number)value).doubleValue(); - } - else if (value instanceof String) { - return ScriptRuntime.toNumber((String)value); - } - else if (value instanceof Scriptable) { - if (value instanceof Wrapper) { - // XXX: optimize tail-recursion? - return toDouble(((Wrapper)value).unwrap()); - } - else { - return ScriptRuntime.toNumber(value); - } - } - else { - Method meth; - try { - meth = value.getClass().getMethod("doubleValue", - (Class [])null); - } - catch (NoSuchMethodException e) { - meth = null; - } - catch (SecurityException e) { - meth = null; - } - if (meth != null) { - try { - return ((Number)meth.invoke(value, - (Object [])null)).doubleValue(); - } - catch (IllegalAccessException e) { - // XXX: ignore, or error message? - reportConversionError(value, Double.TYPE); - } - catch (InvocationTargetException e) { - // XXX: ignore, or error message? - reportConversionError(value, Double.TYPE); - } - } - return ScriptRuntime.toNumber(value.toString()); - } - } - - private static long toInteger(Object value, Class type, - double min, double max) - { - double d = toDouble(value); - - if (Double.isInfinite(d) || Double.isNaN(d)) { - // Convert to string first, for more readable message - reportConversionError(ScriptRuntime.toString(value), type); - } - - if (d > 0.0) { - d = Math.floor(d); - } - else { - d = Math.ceil(d); - } - - if (d < min || d > max) { - // Convert to string first, for more readable message - reportConversionError(ScriptRuntime.toString(value), type); - } - return (long)d; - } - - static void reportConversionError(Object value, Class type) - { - // It uses String.valueOf(value), not value.toString() since - // value can be null, bug 282447. - throw Context.reportRuntimeError2( - "msg.conversion.not.allowed", - String.valueOf(value), - JavaMembers.javaSignature(type)); - } - - private void writeObject(ObjectOutputStream out) - throws IOException - { - out.defaultWriteObject(); - - out.writeBoolean(isAdapter); - if (isAdapter) { - if (adapter_writeAdapterObject == null) { - throw new IOException(); - } - Object[] args = { javaObject, out }; - try { - adapter_writeAdapterObject.invoke(null, args); - } catch (Exception ex) { - throw new IOException(); - } - } else { - out.writeObject(javaObject); - } - - if (staticType != null) { - out.writeObject(staticType.getClass().getName()); - } else { - out.writeObject(null); - } - } - - private void readObject(ObjectInputStream in) - throws IOException, ClassNotFoundException - { - in.defaultReadObject(); - - isAdapter = in.readBoolean(); - if (isAdapter) { - if (adapter_readAdapterObject == null) - throw new ClassNotFoundException(); - Object[] args = { this, in }; - try { - javaObject = adapter_readAdapterObject.invoke(null, args); - } catch (Exception ex) { - throw new IOException(); - } - } else { - javaObject = in.readObject(); - } - - String className = (String)in.readObject(); - if (className != null) { - staticType = Class.forName(className); - } else { - staticType = null; - } - - initMembers(); - } - - /** - * The prototype of this object. - */ - protected Scriptable prototype; - - /** - * The parent scope of this object. - */ - protected Scriptable parent; - - protected transient Object javaObject; - - protected transient Class staticType; - protected transient JavaMembers members; - private transient Hashtable fieldAndMethods; - private transient boolean isAdapter; - - private static final Object COERCED_INTERFACE_KEY = new Object(); - private static Method adapter_writeAdapterObject; - private static Method adapter_readAdapterObject; - - static { - // Reflection in java is verbose - Class[] sig2 = new Class[2]; - Class cl = Kit.classOrNull("org.mozilla.javascript.JavaAdapter"); - if (cl != null) { - try { - sig2[0] = ScriptRuntime.ObjectClass; - sig2[1] = Kit.classOrNull("java.io.ObjectOutputStream"); - adapter_writeAdapterObject = cl.getMethod("writeAdapterObject", - sig2); - - sig2[0] = ScriptRuntime.ScriptableClass; - sig2[1] = Kit.classOrNull("java.io.ObjectInputStream"); - adapter_readAdapterObject = cl.getMethod("readAdapterObject", - sig2); - - } catch (Exception ex) { - adapter_writeAdapterObject = null; - adapter_readAdapterObject = null; - } - } - } - -} |