Java Code Examples for jdk.internal.dynalink.beans.StaticClass

The following examples show how to use jdk.internal.dynalink.beans.StaticClass. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
private Object createProperty(final String name) {
    final int len = args.length;

    for (int i = len - 1; i > -1; i--) {
        final Object obj = args[i];

        if (obj instanceof StaticClass) {
            if (((StaticClass)obj).getRepresentedClass().getSimpleName().equals(name)) {
                return obj;
            }
        } else if (obj instanceof NativeJavaPackage) {
            final String pkgName  = ((NativeJavaPackage)obj).getName();
            final String fullName = pkgName.isEmpty() ? name : (pkgName + "." + name);
            final Context context = Global.instance().getContext();
            try {
                return StaticClass.forClass(context.findClass(fullName));
            } catch (final ClassNotFoundException e) {
                // IGNORE
            }
        }
    }
    return null;
}
 
Example 2
private StaticClass getInstanceAdapterClass(final ProtectionDomain protectionDomain) {
    CodeSource codeSource = protectionDomain.getCodeSource();
    if(codeSource == null) {
        codeSource = MINIMAL_PERMISSION_DOMAIN.getCodeSource();
    }
    StaticClass instanceAdapterClass = instanceAdapters.get(codeSource);
    if(instanceAdapterClass != null) {
        return instanceAdapterClass;
    }
    // Any "unknown source" code source will default to no permission domain.
    final ProtectionDomain effectiveDomain = codeSource.equals(MINIMAL_PERMISSION_DOMAIN.getCodeSource()) ?
            MINIMAL_PERMISSION_DOMAIN : protectionDomain;

    instanceAdapterClass = instanceAdapterGenerator.generateClass(commonLoader, effectiveDomain);
    final StaticClass existing = instanceAdapters.putIfAbsent(codeSource, instanceAdapterClass);
    return existing == null ? instanceAdapterClass : existing;
}
 
Example 3
Source Project: TencentKona-8   Source File: ScriptRuntime.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
 * ECMA 11.8.6 - The strict instanceof operator - generic implementation
 *
 * @param obj first object to compare
 * @param clazz type to check against
 *
 * @return true if {@code obj} is an instanceof {@code clazz}
 */
public static boolean INSTANCEOF(final Object obj, final Object clazz) {
    if (clazz instanceof ScriptFunction) {
        if (obj instanceof ScriptObject) {
            return ((ScriptObject)clazz).isInstance((ScriptObject)obj);
        }
        return false;
    }

    if (clazz instanceof StaticClass) {
        return ((StaticClass)clazz).getRepresentedClass().isInstance(obj);
    }

    if (clazz instanceof JSObject) {
        return ((JSObject)clazz).isInstance(obj);
    }

    // provide for reverse hook
    if (obj instanceof JSObject) {
        return ((JSObject)obj).isInstanceOf(clazz);
    }

    throw typeError("instanceof.on.non.object");
}
 
Example 4
Source Project: jdk8u60   Source File: NativeJavaImporter.java    License: GNU General Public License v2.0 6 votes vote down vote up
private Object createProperty(final String name) {
    final int len = args.length;

    for (int i = len - 1; i > -1; i--) {
        final Object obj = args[i];

        if (obj instanceof StaticClass) {
            if (((StaticClass)obj).getRepresentedClass().getSimpleName().equals(name)) {
                return obj;
            }
        } else if (obj instanceof NativeJavaPackage) {
            final String pkgName  = ((NativeJavaPackage)obj).getName();
            final String fullName = pkgName.isEmpty() ? name : (pkgName + "." + name);
            final Context context = Global.instance().getContext();
            try {
                return StaticClass.forClass(context.findClass(fullName));
            } catch (final ClassNotFoundException e) {
                // IGNORE
            }
        }
    }
    return null;
}
 
Example 5
Source Project: jdk8u60   Source File: ScriptRuntime.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
 * ECMA 11.8.6 - The strict instanceof operator - generic implementation
 *
 * @param obj first object to compare
 * @param clazz type to check against
 *
 * @return true if {@code obj} is an instanceof {@code clazz}
 */
public static boolean INSTANCEOF(final Object obj, final Object clazz) {
    if (clazz instanceof ScriptFunction) {
        if (obj instanceof ScriptObject) {
            return ((ScriptObject)clazz).isInstance((ScriptObject)obj);
        }
        return false;
    }

    if (clazz instanceof StaticClass) {
        return ((StaticClass)clazz).getRepresentedClass().isInstance(obj);
    }

    if (clazz instanceof JSObject) {
        return ((JSObject)clazz).isInstance(obj);
    }

    // provide for reverse hook
    if (obj instanceof JSObject) {
        return ((JSObject)obj).isInstanceOf(clazz);
    }

    throw typeError("instanceof.on.non.object");
}
 
Example 6
private Object createProperty(final String name) {
    final int len = args.length;

    for (int i = len - 1; i > -1; i--) {
        final Object obj = args[i];

        if (obj instanceof StaticClass) {
            if (((StaticClass)obj).getRepresentedClass().getSimpleName().equals(name)) {
                return obj;
            }
        } else if (obj instanceof NativeJavaPackage) {
            final String pkgName  = ((NativeJavaPackage)obj).getName();
            final String fullName = pkgName.isEmpty() ? name : (pkgName + "." + name);
            final Context context = Global.instance().getContext();
            try {
                return StaticClass.forClass(context.findClass(fullName));
            } catch (final ClassNotFoundException e) {
                // IGNORE
            }
        }
    }
    return null;
}
 
Example 7
/**
 * ECMA 11.8.6 - The strict instanceof operator - generic implementation
 *
 * @param obj first object to compare
 * @param clazz type to check against
 *
 * @return true if {@code obj} is an instanceof {@code clazz}
 */
public static boolean INSTANCEOF(final Object obj, final Object clazz) {
    if (clazz instanceof ScriptFunction) {
        if (obj instanceof ScriptObject) {
            return ((ScriptObject)clazz).isInstance((ScriptObject)obj);
        }
        return false;
    }

    if (clazz instanceof StaticClass) {
        return ((StaticClass)clazz).getRepresentedClass().isInstance(obj);
    }

    if (clazz instanceof JSObject) {
        return ((JSObject)clazz).isInstance(obj);
    }

    // provide for reverse hook
    if (obj instanceof JSObject) {
        return ((JSObject)obj).isInstanceOf(clazz);
    }

    throw typeError("instanceof.on.non.object");
}
 
Example 8
private StaticClass getInstanceAdapterClass(final ProtectionDomain protectionDomain) {
    CodeSource codeSource = protectionDomain.getCodeSource();
    if(codeSource == null) {
        codeSource = MINIMAL_PERMISSION_DOMAIN.getCodeSource();
    }
    StaticClass instanceAdapterClass = instanceAdapters.get(codeSource);
    if(instanceAdapterClass != null) {
        return instanceAdapterClass;
    }
    // Any "unknown source" code source will default to no permission domain.
    final ProtectionDomain effectiveDomain = codeSource.equals(MINIMAL_PERMISSION_DOMAIN.getCodeSource()) ?
            MINIMAL_PERMISSION_DOMAIN : protectionDomain;

    instanceAdapterClass = instanceAdapterGenerator.generateClass(commonLoader, effectiveDomain);
    final StaticClass existing = instanceAdapters.putIfAbsent(codeSource, instanceAdapterClass);
    return existing == null ? instanceAdapterClass : existing;
}
 
Example 9
Source Project: openjdk-jdk8u   Source File: ScriptRuntime.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
 * ECMA 11.8.6 - The strict instanceof operator - generic implementation
 *
 * @param obj first object to compare
 * @param clazz type to check against
 *
 * @return true if {@code obj} is an instanceof {@code clazz}
 */
public static boolean INSTANCEOF(final Object obj, final Object clazz) {
    if (clazz instanceof ScriptFunction) {
        if (obj instanceof ScriptObject) {
            return ((ScriptObject)clazz).isInstance((ScriptObject)obj);
        }
        return false;
    }

    if (clazz instanceof StaticClass) {
        return ((StaticClass)clazz).getRepresentedClass().isInstance(obj);
    }

    if (clazz instanceof JSObject) {
        return ((JSObject)clazz).isInstance(obj);
    }

    // provide for reverse hook
    if (obj instanceof JSObject) {
        return ((JSObject)obj).isInstanceOf(clazz);
    }

    throw typeError("instanceof.on.non.object");
}
 
Example 10
private StaticClass getInstanceAdapterClass(final ProtectionDomain protectionDomain) {
    CodeSource codeSource = protectionDomain.getCodeSource();
    if(codeSource == null) {
        codeSource = MINIMAL_PERMISSION_DOMAIN.getCodeSource();
    }
    StaticClass instanceAdapterClass = instanceAdapters.get(codeSource);
    if(instanceAdapterClass != null) {
        return instanceAdapterClass;
    }
    // Any "unknown source" code source will default to no permission domain.
    final ProtectionDomain effectiveDomain = codeSource.equals(MINIMAL_PERMISSION_DOMAIN.getCodeSource()) ?
            MINIMAL_PERMISSION_DOMAIN : protectionDomain;

    instanceAdapterClass = instanceAdapterGenerator.generateClass(commonLoader, effectiveDomain);
    final StaticClass existing = instanceAdapters.putIfAbsent(codeSource, instanceAdapterClass);
    return existing == null ? instanceAdapterClass : existing;
}
 
Example 11
Source Project: openjdk-8   Source File: NativeJavaImporter.java    License: GNU General Public License v2.0 6 votes vote down vote up
private Object createProperty(final String name) {
    final int len = args.length;

    for (int i = len - 1; i > -1; i--) {
        final Object obj = args[i];

        if (obj instanceof StaticClass) {
            if (((StaticClass)obj).getRepresentedClass().getSimpleName().equals(name)) {
                return obj;
            }
        } else if (obj instanceof NativeJavaPackage) {
            final String pkgName  = ((NativeJavaPackage)obj).getName();
            final String fullName = pkgName.isEmpty() ? name : (pkgName + "." + name);
            final Context context = Global.instance().getContext();
            try {
                return StaticClass.forClass(context.findClass(fullName));
            } catch (final ClassNotFoundException e) {
                // IGNORE
            }
        }
    }
    return null;
}
 
Example 12
Source Project: openjdk-8   Source File: JavaAdapterFactory.java    License: GNU General Public License v2.0 6 votes vote down vote up
private StaticClass getInstanceAdapterClass(final ProtectionDomain protectionDomain) {
    CodeSource codeSource = protectionDomain.getCodeSource();
    if(codeSource == null) {
        codeSource = MINIMAL_PERMISSION_DOMAIN.getCodeSource();
    }
    StaticClass instanceAdapterClass = instanceAdapters.get(codeSource);
    if(instanceAdapterClass != null) {
        return instanceAdapterClass;
    }
    // Any "unknown source" code source will default to no permission domain.
    final ProtectionDomain effectiveDomain = codeSource.equals(MINIMAL_PERMISSION_DOMAIN.getCodeSource()) ?
            MINIMAL_PERMISSION_DOMAIN : protectionDomain;

    instanceAdapterClass = instanceAdapterGenerator.generateClass(commonLoader, effectiveDomain);
    final StaticClass existing = instanceAdapters.putIfAbsent(codeSource, instanceAdapterClass);
    return existing == null ? instanceAdapterClass : existing;
}
 
Example 13
/**
 * ECMA 11.8.6 - The strict instanceof operator - generic implementation
 *
 * @param obj first object to compare
 * @param clazz type to check against
 *
 * @return true if {@code obj} is an instanceof {@code clazz}
 */
public static boolean INSTANCEOF(final Object obj, final Object clazz) {
    if (clazz instanceof ScriptFunction) {
        if (obj instanceof ScriptObject) {
            return ((ScriptObject)clazz).isInstance((ScriptObject)obj);
        }
        return false;
    }

    if (clazz instanceof StaticClass) {
        return ((StaticClass)clazz).getRepresentedClass().isInstance(obj);
    }

    if (clazz instanceof JSObject) {
        return ((JSObject)clazz).isInstance(obj);
    }

    // provide for reverse hook
    if (obj instanceof JSObject) {
        return ((JSObject)obj).isInstanceOf(clazz);
    }

    throw typeError("instanceof.on.non.object");
}
 
Example 14
private StaticClass getInstanceAdapterClass(final ProtectionDomain protectionDomain) {
    CodeSource codeSource = protectionDomain.getCodeSource();
    if(codeSource == null) {
        codeSource = MINIMAL_PERMISSION_DOMAIN.getCodeSource();
    }
    StaticClass instanceAdapterClass = instanceAdapters.get(codeSource);
    if(instanceAdapterClass != null) {
        return instanceAdapterClass;
    }
    // Any "unknown source" code source will default to no permission domain.
    final ProtectionDomain effectiveDomain = codeSource.equals(MINIMAL_PERMISSION_DOMAIN.getCodeSource()) ?
            MINIMAL_PERMISSION_DOMAIN : protectionDomain;

    instanceAdapterClass = instanceAdapterGenerator.generateClass(commonLoader, effectiveDomain);
    final StaticClass existing = instanceAdapters.putIfAbsent(codeSource, instanceAdapterClass);
    return existing == null ? instanceAdapterClass : existing;
}
 
Example 15
Source Project: openjdk-8   Source File: NativeJavaPackage.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
 * Handle creation of new attribute.
 * @param desc the call site descriptor
 * @param request the link request
 * @return Link to be invoked at call site.
 */
@Override
public GuardedInvocation noSuchProperty(final CallSiteDescriptor desc, final LinkRequest request) {
    final String propertyName = desc.getNameToken(2);
    final String fullName     = name.isEmpty() ? propertyName : name + "." + propertyName;

    final Context context = Context.getContextTrusted();

    Class<?> javaClass = null;
    try {
        javaClass = context.findClass(fullName);
    } catch (final NoClassDefFoundError | ClassNotFoundException e) {
        //ignored
    }

    if (javaClass == null) {
        set(propertyName, new NativeJavaPackage(fullName, getProto()), false);
    } else {
        set(propertyName, StaticClass.forClass(javaClass), false);
    }

    return super.lookup(desc, request);
}
 
Example 16
Source Project: TencentKona-8   Source File: ScriptUtils.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Convert the given object to the given type.
 *
 * @param obj object to be converted
 * @param type destination type to convert to. type is either a Class
 * or nashorn representation of a Java type returned by Java.type() call in script.
 * @return converted object
 */
public static Object convert(final Object obj, final Object type) {
    if (obj == null) {
        return null;
    }

    final Class<?> clazz;
    if (type instanceof Class) {
        clazz = (Class<?>)type;
    } else if (type instanceof StaticClass) {
        clazz = ((StaticClass)type).getRepresentedClass();
    } else {
        throw new IllegalArgumentException("type expected");
    }

    final LinkerServices linker = Bootstrap.getLinkerServices();
    final Object objToConvert = unwrap(obj);
    final MethodHandle converter = linker.getTypeConverter(objToConvert.getClass(),  clazz);
    if (converter == null) {
        // no supported conversion!
        throw new UnsupportedOperationException("conversion not supported");
    }

    try {
        return converter.invoke(objToConvert);
    } catch (final RuntimeException | Error e) {
        throw e;
    } catch (final Throwable t) {
        throw new RuntimeException(t);
    }
}
 
Example 17
Source Project: TencentKona-8   Source File: NativeJava.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns name of a java type {@link StaticClass}.
 * @param self not used
 * @param type the type whose name is returned
 * @return name of the given type
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object typeName(final Object self, final Object type) {
    if (type instanceof StaticClass) {
        return ((StaticClass)type).getRepresentedClass().getName();
    } else if (type instanceof Class) {
        return ((Class<?>)type).getName();
    } else {
        return UNDEFINED;
    }
}
 
Example 18
Source Project: openjdk-8   Source File: Bootstrap.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns if the given object is a "callable"
 * @param obj object to be checked for callability
 * @return true if the obj is callable
 */
public static boolean isCallable(final Object obj) {
    if (obj == ScriptRuntime.UNDEFINED || obj == null) {
        return false;
    }

    return obj instanceof ScriptFunction ||
        ((obj instanceof JSObject) && ((JSObject)obj).isFunction()) ||
        isDynamicMethod(obj) ||
        isFunctionalInterfaceObject(obj) ||
        obj instanceof StaticClass;
}
 
Example 19
Source Project: openjdk-8   Source File: ScriptUtils.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Convert the given object to the given type.
 *
 * @param obj object to be converted
 * @param type destination type to convert to
 * @return converted object
 */
public static Object convert(final Object obj, final Object type) {
    if (obj == null) {
        return null;
    }

    final Class<?> clazz;
    if (type instanceof Class) {
        clazz = (Class<?>)type;
    } else if (type instanceof StaticClass) {
        clazz = ((StaticClass)type).getRepresentedClass();
    } else {
        throw new IllegalArgumentException("type expected");
    }

    final LinkerServices linker = Bootstrap.getLinkerServices();
    final MethodHandle converter = linker.getTypeConverter(obj.getClass(),  clazz);
    if (converter == null) {
        // no supported conversion!
        throw new UnsupportedOperationException("conversion not supported");
    }

    try {
        return converter.invoke(obj);
    } catch (final RuntimeException | Error e) {
        throw e;
    } catch (final Throwable t) {
        throw new RuntimeException(t);
    }
}
 
Example 20
Source Project: openjdk-8   Source File: JavaAdapterFactory.java    License: GNU General Public License v2.0 5 votes vote down vote up
private static StaticClass getAdapterClassFor(final Class<?>[] types, ScriptObject classOverrides, final ProtectionDomain protectionDomain) {
    assert types != null && types.length > 0;
    final SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        for (Class<?> type : types) {
            // check for restricted package access
            Context.checkPackageAccess(type);
            // check for classes, interfaces in reflection
            ReflectionCheckLinker.checkReflectionAccess(type, true);
        }
    }
    return getAdapterInfo(types).getAdapterClass(classOverrides, protectionDomain);
}
 
Example 21
Source Project: TencentKona-8   Source File: Bootstrap.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns if the given object is a "callable"
 * @param obj object to be checked for callability
 * @return true if the obj is callable
 */
public static boolean isCallable(final Object obj) {
    if (obj == ScriptRuntime.UNDEFINED || obj == null) {
        return false;
    }

    return obj instanceof ScriptFunction ||
        isJSObjectFunction(obj) ||
        BeansLinker.isDynamicMethod(obj) ||
        obj instanceof BoundCallable ||
        isFunctionalInterfaceObject(obj) ||
        obj instanceof StaticClass;
}
 
Example 22
Source Project: TencentKona-8   Source File: Bootstrap.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns true if the given object is a strict callable
 * @param callable the callable object to be checked for strictness
 * @return true if the obj is a strict callable, false if it is a non-strict callable.
 * @throws ECMAException with {@code TypeError} if the object is not a callable.
 */
public static boolean isStrictCallable(final Object callable) {
    if (callable instanceof ScriptFunction) {
        return ((ScriptFunction)callable).isStrict();
    } else if (isJSObjectFunction(callable)) {
        return ((JSObject)callable).isStrictFunction();
    } else if (callable instanceof BoundCallable) {
        return isStrictCallable(((BoundCallable)callable).getCallable());
    } else if (BeansLinker.isDynamicMethod(callable) ||
            callable instanceof StaticClass ||
            isFunctionalInterfaceObject(callable)) {
        return false;
    }
    throw notFunction(callable);
}
 
Example 23
@Override
public GuardedInvocation getGuardedInvocation(final LinkRequest linkRequest, final LinkerServices linkerServices) throws Exception {
    final LinkRequest request = linkRequest.withoutRuntimeContext(); // Nashorn has no runtime context
    final Object self = request.getReceiver();
    if (self.getClass() != StaticClass.class) {
        return null;
    }
    final Class<?> receiverClass = ((StaticClass) self).getRepresentedClass();

    Bootstrap.checkReflectionAccess(receiverClass, true);
    final CallSiteDescriptor desc = request.getCallSiteDescriptor();
    // We intercept "new" on StaticClass instances to provide additional capabilities
    if ("new".equals(desc.getNameToken(CallSiteDescriptor.OPERATOR))) {
        if (! Modifier.isPublic(receiverClass.getModifiers())) {
            throw ECMAErrors.typeError("new.on.nonpublic.javatype", receiverClass.getName());
        }

        // make sure new is on accessible Class
        Context.checkPackageAccess(receiverClass);

        // Is the class abstract? (This includes interfaces.)
        if (NashornLinker.isAbstractClass(receiverClass)) {
            // Change this link request into a link request on the adapter class.
            final Object[] args = request.getArguments();
            args[0] = JavaAdapterFactory.getAdapterClassFor(new Class<?>[] { receiverClass }, null,
                    linkRequest.getCallSiteDescriptor().getLookup());
            final LinkRequest adapterRequest = request.replaceArguments(request.getCallSiteDescriptor(), args);
            final GuardedInvocation gi = checkNullConstructor(delegate(linkerServices, adapterRequest), receiverClass);
            // Finally, modify the guard to test for the original abstract class.
            return gi.replaceMethods(gi.getInvocation(), Guards.getIdentityGuard(self));
        }
        // If the class was not abstract, just delegate linking to the standard StaticClass linker. Make an
        // additional check to ensure we have a constructor. We could just fall through to the next "return"
        // statement, except we also insert a call to checkNullConstructor() which throws an ECMAScript TypeError
        // with a more intuitive message when no suitable constructor is found.
        return checkNullConstructor(delegate(linkerServices, request), receiverClass);
    }
    // In case this was not a "new" operation, just delegate to the the standard StaticClass linker.
    return delegate(linkerServices, request);
}
 
Example 24
private StaticClass getClassAdapterClass(final ScriptObject classOverrides, final ProtectionDomain protectionDomain) {
    JavaAdapterServices.setClassOverrides(classOverrides);
    try {
        return classAdapterGenerator.generateClass(commonLoader, protectionDomain);
    } finally {
        JavaAdapterServices.setClassOverrides(null);
    }
}
 
Example 25
/**
 * Loads the generated adapter class into the JVM.
 * @param parentLoader the parent class loader for the generated class loader
 * @param protectionDomain the protection domain for the generated class
 * @return the generated adapter class
 */
StaticClass generateClass(final ClassLoader parentLoader, final ProtectionDomain protectionDomain) {
    assert protectionDomain != null;
    return AccessController.doPrivileged(new PrivilegedAction<StaticClass>() {
        @Override
        public StaticClass run() {
            try {
                return StaticClass.forClass(Class.forName(className, true, createClassLoader(parentLoader, protectionDomain)));
            } catch (final ClassNotFoundException e) {
                throw new AssertionError(e); // cannot happen
            }
        }
    }, CREATE_LOADER_ACC_CTXT);
}
 
Example 26
Source Project: jdk8u60   Source File: NativeJava.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns name of a java type {@link StaticClass}.
 * @param self not used
 * @param type the type whose name is returned
 * @return name of the given type
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object typeName(final Object self, final Object type) {
    if (type instanceof StaticClass) {
        return ((StaticClass)type).getRepresentedClass().getName();
    } else if (type instanceof Class) {
        return ((Class<?>)type).getName();
    } else {
        return UNDEFINED;
    }
}
 
Example 27
Source Project: jdk8u60   Source File: JavaAdapterFactory.java    License: GNU General Public License v2.0 5 votes vote down vote up
private static StaticClass getAdapterClassFor(final Class<?>[] types, final ScriptObject classOverrides, final ProtectionDomain protectionDomain) {
    assert types != null && types.length > 0;
    final SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        for (final Class<?> type : types) {
            // check for restricted package access
            Context.checkPackageAccess(type);
            // check for classes, interfaces in reflection
            ReflectionCheckLinker.checkReflectionAccess(type, true);
        }
    }
    return getAdapterInfo(types).getAdapterClass(classOverrides, protectionDomain);
}
 
Example 28
Source Project: hottub   Source File: Bootstrap.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Returns if the given object is a "callable"
 * @param obj object to be checked for callability
 * @return true if the obj is callable
 */
public static boolean isCallable(final Object obj) {
    if (obj == ScriptRuntime.UNDEFINED || obj == null) {
        return false;
    }

    return obj instanceof ScriptFunction ||
        isJSObjectFunction(obj) ||
        BeansLinker.isDynamicMethod(obj) ||
        obj instanceof BoundCallable ||
        isFunctionalInterfaceObject(obj) ||
        obj instanceof StaticClass;
}
 
Example 29
Source Project: jdk8u60   Source File: JavaAdapterFactory.java    License: GNU General Public License v2.0 5 votes vote down vote up
private StaticClass getClassAdapterClass(final ScriptObject classOverrides, final ProtectionDomain protectionDomain) {
    JavaAdapterServices.setClassOverrides(classOverrides);
    try {
        return classAdapterGenerator.generateClass(commonLoader, protectionDomain);
    } finally {
        JavaAdapterServices.setClassOverrides(null);
    }
}
 
Example 30
/**
 * Loads the generated adapter class into the JVM.
 * @param parentLoader the parent class loader for the generated class loader
 * @param protectionDomain the protection domain for the generated class
 * @return the generated adapter class
 */
StaticClass generateClass(final ClassLoader parentLoader, final ProtectionDomain protectionDomain) {
    assert protectionDomain != null;
    return AccessController.doPrivileged(new PrivilegedAction<StaticClass>() {
        @Override
        public StaticClass run() {
            try {
                return StaticClass.forClass(Class.forName(className, true, createClassLoader(parentLoader, protectionDomain)));
            } catch (final ClassNotFoundException e) {
                throw new AssertionError(e); // cannot happen
            }
        }
    }, CREATE_LOADER_ACC_CTXT);
}