com.eclipsesource.v8.V8Object Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of j2v8_win32_x86_64 Show documentation
Show all versions of j2v8_win32_x86_64 Show documentation
J2V8 is a set of Java bindings for V8
/*******************************************************************************
* Copyright (c) 2014 EclipseSource and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* EclipseSource - initial API and implementation
******************************************************************************/
package com.eclipsesource.v8;
import java.lang.reflect.Method;
/**
* The concrete class for all V8 Objects. V8Objects are
* JavaScript objects accessible in java. Specialized
* subclasses exist for V8Arrays and V8Functions.
*
* V8Object are JavaScript object with key value pairs.
* Specific get methods exist to access values as primitives.
* General get methods also exist, which return Java Objects
* and can be casted to the correct subclass.
*
* V8Object have native resources and must be released
* when they are no longer need in Java.
*/
public class V8Object extends V8Value {
/**
* Create a new V8Object and associate it with a runtime.
* Once created, it must be released.
*
* @param v8 The runtime on which to associate the V8Object.
*/
public V8Object(final V8 v8) {
this(v8, null);
}
protected V8Object(final V8 v8, final Object data) {
super(v8);
if (v8 != null) {
this.v8.checkThread();
objectHandle = initialize(this.v8.getV8RuntimePtr(), data);
}
}
protected V8Object() {
}
@Override
protected V8Value createTwin() {
return new V8Object(v8);
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Value#twin()
*/
@Override
public V8Object twin() {
return (V8Object) super.twin();
}
/**
* Determine if a key/value pair with this key exists in
* the Object.
*
* @param key The key to check
* @return True if the key exists, false otherwise.
*/
public boolean contains(final String key) {
v8.checkThread();
checkReleased();
return v8.contains(v8.getV8RuntimePtr(), objectHandle, key);
}
/**
* Returns all the keys associated with this JavaScript Object.
* Keys associated with the objects prototype are not returned.
*
* @return The keys associated with this JavaScript Object.
*/
public String[] getKeys() {
v8.checkThread();
checkReleased();
return v8.getKeys(v8.getV8RuntimePtr(), objectHandle);
}
/**
* Returns the type of the value associated with this Key, or
* UNDEFINED if the key does not exist. Types are specified as
* integer constants. The types are all defined in V8Value.
*
* @param key The key whose type to lookup.
*
* @return The Type of the value associated with this key
*/
public int getType(final String key) {
v8.checkThread();
checkReleased();
return v8.getType(v8.getV8RuntimePtr(), objectHandle, key);
}
/**
* Returns the value associated with this key. Values are Java Objects.
* If the value is a primitive, its boxed type is returned. If the
* value is a V8Value, it must be released.
*
* @param key The key whose value to return.
*
* @return The value associated with this key.
*/
public Object get(final String key) {
v8.checkThread();
checkReleased();
return v8.get(v8.getV8RuntimePtr(), V8_OBJECT, objectHandle, key);
}
/**
* Returns the integer value associated with this key. If the value
* associated with this key does not exist, or if it's not an integer, then
* V8ResultUndefined exception is thrown.
*
* @param key The key whose value to return.
*
* @return The integer value associated with this key, or V8ResultUndefined
* if the key does not exist or the value is not an integer.
*/
public int getInteger(final String key) {
v8.checkThread();
checkReleased();
return v8.getInteger(v8.getV8RuntimePtr(), objectHandle, key);
}
/**
* Returns the boolean value associated with this key. If the value
* associated with this key does not exist, or if it's not a boolean, then
* V8ResultUndefined exception is thrown.
*
* @param key The key whose value to return.
*
* @return The boolean value associated with this key, or V8ResultUndefined
* if the key does not exist or the value is not a boolean.
*/
public boolean getBoolean(final String key) {
v8.checkThread();
checkReleased();
return v8.getBoolean(v8.getV8RuntimePtr(), objectHandle, key);
}
/**
* Returns the double value associated with this key. If the value
* associated with this key does not exist, or if it's not a double, then
* V8ResultUndefined exception is thrown.
*
* @param key The key whose value to return.
*
* @return The double value associated with this key, or V8ResultUndefined
* if the key does not exist or the value is not a double.
*/
public double getDouble(final String key) {
v8.checkThread();
checkReleased();
return v8.getDouble(v8.getV8RuntimePtr(), objectHandle, key);
}
/**
* Returns the String value associated with this key. If the value
* associated with this key does not exist, or if it's not a String, then
* V8ResultUndefined exception is thrown.
*
* @param key The key whose value to return.
*
* @return The String value associated with this key, or V8ResultUndefined
* if the key does not exist or the value is not a String.
*/
public String getString(final String key) {
v8.checkThread();
checkReleased();
return v8.getString(v8.getV8RuntimePtr(), objectHandle, key);
}
/**
* Returns the V8Array value associated with this key. If the value
* associated with this key does not exist then UNDEFINED is returned.
* If the value exists but is not an array then
* V8ResultUndefined exception is thrown.
*
* @param key The key whose value to return.
*
* @return The V8Array value associated with this key.
*/
public V8Array getArray(final String key) {
v8.checkThread();
checkReleased();
Object result = v8.get(v8.getV8RuntimePtr(), V8_ARRAY, objectHandle, key);
if ((result == null) || (result instanceof V8Array)) {
return (V8Array) result;
}
throw new V8ResultUndefined();
}
/**
* Returns the V8Object value associated with this key. If the value
* associated with this key does not exist then UNDEFINED is returned.
* If the value exists but is not an JS Object then
* V8ResultUndefined exception is thrown.
*
* @param key The key whose value to return.
*
* @return The V8Object value associated with this key.
*/
public V8Object getObject(final String key) {
v8.checkThread();
checkReleased();
Object result = v8.get(v8.getV8RuntimePtr(), V8_OBJECT, objectHandle, key);
if ((result == null) || (result instanceof V8Object)) {
return (V8Object) result;
}
throw new V8ResultUndefined();
}
/**
* Invoke a JavaScript function and return the result as a integer. If the
* result is not an integer, or does not exist, then V8ResultUndefined is thrown.
*
* @param name The name of the JS Function to call.
*
* @param parameters The parameters to pass to the function. Parameters must be released.
*
* @return An integer representing the result of the function call or V8ResultUndefined
* if the result is not an integer.
*/
public int executeIntegerFunction(final String name, final V8Array parameters) {
v8.checkThread();
checkReleased();
long parametersHandle = parameters == null ? 0 : parameters.getHandle();
return v8.executeIntegerFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}
/**
* Invoke a JavaScript function and return the result as a double. If the
* result is not a double, or does not exist, then V8ResultUndefined is thrown.
*
* @param name The name of the JS Function to call.
*
* @param parameters The parameters to pass to the function. Parameters must be released.
*
* @return A double representing the result of the function call or V8ResultUndefined
* if the result is not a double.
*/
public double executeDoubleFunction(final String name, final V8Array parameters) {
v8.checkThread();
checkReleased();
long parametersHandle = parameters == null ? 0 : parameters.getHandle();
return v8.executeDoubleFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}
/**
* Invoke a JavaScript function and return the result as a String. If the
* result is not a String, or does not exist, then V8ResultUndefined is thrown.
*
* @param name The name of the JS Function to call.
*
* @param parameters The parameters to pass to the function. Parameters must be released.
*
* @return A String representing the result of the function call or V8ResultUndefined
* if the result is not a String.
*/
public String executeStringFunction(final String name, final V8Array parameters) {
v8.checkThread();
checkReleased();
long parametersHandle = parameters == null ? 0 : parameters.getHandle();
return v8.executeStringFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}
/**
* Invoke a JavaScript function and return the result as a boolean. If the
* result is not a boolean, or does not exist, then V8ResultUndefined is thrown.
*
* @param name The name of the JS Function to call.
*
* @param parameters The parameters to pass to the function. Parameters must be released.
*
* @return A boolean representing the result of the function call or V8ResultUndefined
* if the result is not a boolean.
*/
public boolean executeBooleanFunction(final String name, final V8Array parameters) {
v8.checkThread();
checkReleased();
long parametersHandle = parameters == null ? 0 : parameters.getHandle();
return v8.executeBooleanFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}
/**
* Invoke a JavaScript function and return the result as a V8Array. If the
* result is not a V8Array then V8ResultUndefined is thrown.
*
* @param name The name of the JS Function to call.
*
* @param parameters The parameters to pass to the function. Parameters must be released.
*
* @return A V8Array representing the result of the function call or V8ResultUndefined
* if the result is not a V8Array. The result must be released.
*/
public V8Array executeArrayFunction(final String name, final V8Array parameters) {
v8.checkThread();
checkReleased();
long parametersHandle = parameters == null ? 0 : parameters.getHandle();
Object result = v8.executeFunction(v8.getV8RuntimePtr(), V8_ARRAY, objectHandle, name, parametersHandle);
if (result instanceof V8Array) {
return (V8Array) result;
}
throw new V8ResultUndefined();
}
/**
* Invoke a JavaScript function and return the result as a V8Object. If the
* result is not a V8Object then V8ResultUndefined is thrown.
*
* @param name The name of the JS Function to call.
*
* @param parameters The parameters to pass to the function. Parameters must be released.
*
* @return A V8Object representing the result of the function call or V8ResultUndefined
* if the result is not a V8Object. The result must be released.
*/
public V8Object executeObjectFunction(final String name, final V8Array parameters) {
v8.checkThread();
checkReleased();
long parametersHandle = parameters == null ? 0 : parameters.getHandle();
Object result = v8.executeFunction(v8.getV8RuntimePtr(), V8_OBJECT, objectHandle, name, parametersHandle);
if (result instanceof V8Object) {
return (V8Object) result;
}
throw new V8ResultUndefined();
}
/**
* Invoke a JavaScript function and return the result as a Java Object.
*
* @param name The name of the JS Function to call.
*
* @param parameters The parameters to pass to the function. Parameters must be released.
*
* @return A Java Object representing the result of the function call.
*/
public Object executeFunction(final String name, final V8Array parameters) {
v8.checkThread();
checkReleased();
long parametersHandle = parameters == null ? 0 : parameters.getHandle();
return v8.executeFunction(v8.getV8RuntimePtr(), UNKNOWN, objectHandle, name, parametersHandle);
}
/**
* Invokes a JavaScript function which does not return a result.
*
* @param name The name of the JS Function to call.
*
* @param parameters The parameters to pass to the function. Parameters must be released.
*/
public void executeVoidFunction(final String name, final V8Array parameters) {
v8.checkThread();
checkReleased();
long parametersHandle = parameters == null ? 0 : parameters.getHandle();
v8.executeVoidFunction(v8.getV8RuntimePtr(), objectHandle, name, parametersHandle);
}
/**
* Adds a key value pair to the receiver where the value is an integer.
*
* @param key The key to associate the value with.
* @param value The value to add.
*
* @return The receiver.
*/
public V8Object add(final String key, final int value) {
v8.checkThread();
checkReleased();
v8.add(v8.getV8RuntimePtr(), objectHandle, key, value);
return this;
}
/**
* Adds a key value pair to the receiver where the value is a boolean.
*
* @param key The key to associate the value with.
* @param value The value to add.
*
* @return The receiver.
*/
public V8Object add(final String key, final boolean value) {
v8.checkThread();
checkReleased();
v8.add(v8.getV8RuntimePtr(), objectHandle, key, value);
return this;
}
/**
* Adds a key value pair to the receiver where the value is a double.
*
* @param key The key to associate the value with.
* @param value The value to add.
*
* @return The receiver.
*/
public V8Object add(final String key, final double value) {
v8.checkThread();
checkReleased();
v8.add(v8.getV8RuntimePtr(), objectHandle, key, value);
return this;
}
/**
* Adds a key value pair to the receiver where the value is a String.
*
* @param key The key to associate the value with.
* @param value The value to add.
*
* @return The receiver.
*/
public V8Object add(final String key, final String value) {
v8.checkThread();
checkReleased();
if (value == null) {
v8.addNull(v8.getV8RuntimePtr(), objectHandle, key);
} else if (value.equals(V8.getUndefined())) {
v8.addUndefined(v8.getV8RuntimePtr(), objectHandle, key);
} else {
v8.add(v8.getV8RuntimePtr(), objectHandle, key, value);
}
return this;
}
/**
* Adds a key value pair to the receiver where the value is a V8Value.
*
* @param key The key to associate the value with.
* @param value The value to add.
*
* @return The receiver.
*/
public V8Object add(final String key, final V8Value value) {
v8.checkThread();
checkReleased();
if (value == null) {
v8.addNull(v8.getV8RuntimePtr(), objectHandle, key);
} else if (value.equals(V8.getUndefined())) {
v8.addUndefined(v8.getV8RuntimePtr(), objectHandle, key);
} else {
v8.addObject(v8.getV8RuntimePtr(), objectHandle, key, value.getHandle());
}
return this;
}
/**
* Associate UNDEFINED with the given key.
*
* @param key The key to associate UNDEFINED with.
*
* @return The receiver.
*/
public V8Object addUndefined(final String key) {
v8.checkThread();
checkReleased();
v8.addUndefined(v8.getV8RuntimePtr(), objectHandle, key);
return this;
}
/**
* Associate NULL with the given key.
*
* @param key The key to associate NULL with.
*
* @return The receiver.
*/
public V8Object addNull(final String key) {
v8.checkThread();
checkReleased();
v8.addNull(v8.getV8RuntimePtr(), objectHandle, key);
return this;
}
/**
* Sets the prototype of the receiver.
*
* @param value The prototype to associate with this V8Object.
*
* @return The receiver.
*/
public V8Object setPrototype(final V8Object value) {
v8.checkThread();
checkReleased();
v8.setPrototype(v8.getV8RuntimePtr(), objectHandle, value.getHandle());
return this;
}
/**
* Register a Java method as a JavaScript function. When the JS Function is invoked
* the Java method will be called.
*
* @param callback The JavaCallback to call when the JSFunction is invoked.
* @param jsFunctionName The name of the JSFunction.
*
* @return The receiver.
*/
public V8Object registerJavaMethod(final JavaCallback callback, final String jsFunctionName) {
v8.checkThread();
checkReleased();
v8.registerCallback(callback, getHandle(), jsFunctionName);
return this;
}
/**
* Register a void Java method as a JavaScript function. When the JS Function is invoked
* the Java method will be called.
*
* @param callback The JavaVoidCallback to call when the JSFunction is invoked.
* @param jsFunctionName The name of the JSFunction.
*
* @return The receiver.
*/
public V8Object registerJavaMethod(final JavaVoidCallback callback, final String jsFunctionName) {
v8.checkThread();
checkReleased();
v8.registerVoidCallback(callback, getHandle(), jsFunctionName);
return this;
}
/**
* Register a Java method reflectively given it's name a signature.
*
* @param object The Java Object on which the method is defined.
* @param methodName The name of the method to register.
* @param jsFunctionName The name of the JavaScript function to register the
* method with.
* @param parameterTypes The parameter types of the method.
*
* @return The receiver.
*/
public V8Object registerJavaMethod(final Object object, final String methodName, final String jsFunctionName, final Class[] parameterTypes) {
return registerJavaMethod(object, methodName, jsFunctionName, parameterTypes, false);
}
/**
* Register a Java method reflectively given it's name a signature. The option to include
* the JS Object in the callback can be specified by setting includeReceiver true.
*
* @param object The Java Object on which the method is defined.
* @param methodName The name of the method to register.
* @param jsFunctionName The name of the JavaScript function to register the
* method with.
* @param parameterTypes The parameter types of the method.
* @param includeReceiver True if the first parameter should include the JS Object,
* false otherwise.
*
* @return The receiver.
*/
public V8Object registerJavaMethod(final Object object, final String methodName, final String jsFunctionName, final Class[] parameterTypes, final boolean includeReceiver) {
v8.checkThread();
checkReleased();
try {
Method method = object.getClass().getMethod(methodName, parameterTypes);
method.setAccessible(true);
v8.registerCallback(object, method, getHandle(), jsFunctionName, includeReceiver);
} catch (NoSuchMethodException e) {
throw new IllegalStateException(e);
} catch (SecurityException e) {
throw new IllegalStateException(e);
}
return this;
}
/*
* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
v8.checkThread();
checkReleased();
return v8.toString(v8.getV8RuntimePtr(), getHandle());
}
static class Undefined extends V8Object {
public Undefined() {
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Value#isUndefined()
*/
@Override
public boolean isUndefined() {
return true;
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Value#isReleased()
*/
@Override
public boolean isReleased() {
return false;
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Value#release()
*/
@Override
public void release() {
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#twin()
*/
@Override
public Undefined twin() {
return (Undefined) super.twin();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#toString()
*/
@Override
public String toString() {
return "undefined";
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Value#equals(java.lang.Object)
*/
@Override
public boolean equals(final Object that) {
if ((that instanceof V8Object) && ((V8Object) that).isUndefined()) {
return true;
}
return false;
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Value#hashCode()
*/
@Override
public int hashCode() {
return 919;
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#add(java.lang.String, boolean)
*/
@Override
public V8Object add(final String key, final boolean value) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Value#getRuntime()
*/
@Override
public V8 getRuntime() {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#add(java.lang.String, double)
*/
@Override
public V8Object add(final String key, final double value) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#add(java.lang.String, int)
*/
@Override
public V8Object add(final String key, final int value) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#add(java.lang.String, java.lang.String)
*/
@Override
public V8Object add(final String key, final String value) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#add(java.lang.String, com.eclipsesource.v8.V8Value)
*/
@Override
public V8Object add(final String key, final V8Value value) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#addUndefined(java.lang.String)
*/
@Override
public V8Object addUndefined(final String key) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#contains(java.lang.String)
*/
@Override
public boolean contains(final String key) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#executeArrayFunction(java.lang.String, com.eclipsesource.v8.V8Array)
*/
@Override
public V8Array executeArrayFunction(final String name, final V8Array parameters) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#executeBooleanFunction(java.lang.String, com.eclipsesource.v8.V8Array)
*/
@Override
public boolean executeBooleanFunction(final String name, final V8Array parameters) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#executeDoubleFunction(java.lang.String, com.eclipsesource.v8.V8Array)
*/
@Override
public double executeDoubleFunction(final String name, final V8Array parameters) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#executeIntegerFunction(java.lang.String, com.eclipsesource.v8.V8Array)
*/
@Override
public int executeIntegerFunction(final String name, final V8Array parameters) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#executeObjectFunction(java.lang.String, com.eclipsesource.v8.V8Array)
*/
@Override
public V8Object executeObjectFunction(final String name, final V8Array parameters) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#executeStringFunction(java.lang.String, com.eclipsesource.v8.V8Array)
*/
@Override
public String executeStringFunction(final String name, final V8Array parameters) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#executeVoidFunction(java.lang.String, com.eclipsesource.v8.V8Array)
*/
@Override
public void executeVoidFunction(final String name, final V8Array parameters) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#getArray(java.lang.String)
*/
@Override
public V8Array getArray(final String key) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#getBoolean(java.lang.String)
*/
@Override
public boolean getBoolean(final String key) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#getDouble(java.lang.String)
*/
@Override
public double getDouble(final String key) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#getInteger(java.lang.String)
*/
@Override
public int getInteger(final String key) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#getKeys()
*/
@Override
public String[] getKeys() {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#getObject(java.lang.String)
*/
@Override
public V8Object getObject(final String key) throws V8ResultUndefined {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#getString(java.lang.String)
*/
@Override
public String getString(final String key) throws V8ResultUndefined {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#getType(java.lang.String)
*/
@Override
public int getType(final String key) throws V8ResultUndefined {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#registerJavaMethod(com.eclipsesource.v8.JavaCallback, java.lang.String)
*/
@Override
public V8Object registerJavaMethod(final JavaCallback callback, final String jsFunctionName) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#registerJavaMethod(com.eclipsesource.v8.JavaVoidCallback, java.lang.String)
*/
@Override
public V8Object registerJavaMethod(final JavaVoidCallback callback, final String jsFunctionName) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#registerJavaMethod(java.lang.Object, java.lang.String, java.lang.String, java.lang.Class[], boolean)
*/
@Override
public V8Object registerJavaMethod(final Object object, final String methodName, final String jsFunctionName, final Class[] parameterTypes, final boolean includeReceiver) {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
* @see com.eclipsesource.v8.V8Object#setPrototype(com.eclipsesource.v8.V8Object)
*/
@Override
public V8Object setPrototype(final V8Object value) {
throw new UnsupportedOperationException();
}
}
}