JDK 11 jdk.scripting.nashorn.jmod is the JMOD file for JDK 11 Scripting Nashorn module.

JDK 11 Scripting Nashorn module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.scripting.nashorn.jmod.

JDK 11 Scripting Nashorn module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Scripting Nashorn module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.scripting.nashorn.

You can click and view the content of each source code file in the list below.

⏎ jdk/nashorn/internal/runtime/NativeJavaPackage.java

/*
 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package jdk.nashorn.internal.runtime;

import static jdk.nashorn.internal.runtime.ECMAErrors.typeError;
import static jdk.nashorn.internal.runtime.UnwarrantedOptimismException.isValid;

import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import jdk.dynalink.CallSiteDescriptor;
import jdk.dynalink.beans.BeansLinker;
import jdk.dynalink.beans.StaticClass;
import jdk.dynalink.linker.GuardedInvocation;
import jdk.dynalink.linker.LinkRequest;
import jdk.dynalink.linker.support.Guards;
import jdk.nashorn.internal.lookup.MethodHandleFactory;
import jdk.nashorn.internal.lookup.MethodHandleFunctionality;
import jdk.nashorn.internal.objects.annotations.Attribute;
import jdk.nashorn.internal.objects.annotations.Function;
import jdk.nashorn.internal.runtime.linker.NashornCallSiteDescriptor;

/**
 * An object that exposes Java packages and classes as its properties. Packages are exposed as objects that have further
 * sub-packages and classes as their properties. Normally, three instances of this class are exposed as built-in objects
 * in Nashorn: {@code "Packages"}, {@code "java"}, and {@code "javax"}. Typical usages are:
 * <pre>
 * var list = new java.util.ArrayList()
 * var sprocket = new Packages.com.acme.Sprocket()
 * </pre>
 * or you can store the type objects in a variable for later reuse:
 * <pre>
 * var ArrayList = java.util.ArrayList
 * var list = new ArrayList
 * </pre>
 * You can also use {@link jdk.nashorn.internal.objects.NativeJava#type(Object, Object)} to access Java classes. These two statements are mostly
 * equivalent:
 * <pre>
 * var listType1 = java.util.ArrayList
 * var listType2 = Java.type("java.util.ArrayList")
 * </pre>
 * The difference is that {@code Java.type()} will throw an error if the class does not exist, while the first
 * expression will return an empty object, as it must treat all non-existent classes as potentially being further
 * subpackages. As such, {@code Java.type()} has the potential to catch typos earlier. A further difference is that
 * {@code Java.type()} doesn't recognize {@code .} (dot) as the separator between outer class name and inner class name,
 * it only recognizes the dollar sign. These are equivalent:
 * <pre>
 * var ftype1 = java.awt.geom.Arc2D$Float
 * var ftype2 = java.awt.geom.Arc2D.Float
 * var ftype3 = Java.asType("java.awt.geom.Arc2D$Float")
 * var ftype4 = Java.asType("java.awt.geom.Arc2D").Float
 * </pre>
 */
public final class NativeJavaPackage extends ScriptObject {
    private static final MethodHandleFunctionality MH = MethodHandleFactory.getFunctionality();
    private static final MethodHandle CLASS_NOT_FOUND = findOwnMH("classNotFound", Void.TYPE, NativeJavaPackage.class);
    private static final MethodHandle TYPE_GUARD = Guards.getClassGuard(NativeJavaPackage.class);

    /** Full name of package (includes path.) */
    private final String name;

    /**
     * Public constructor to be accessible from {@link jdk.nashorn.internal.objects.Global}
     * @param name  package name
     * @param proto proto
     */
    public NativeJavaPackage(final String name, final ScriptObject proto) {
        super(proto, null);
        // defense-in-path, check here for sensitive packages
        Context.checkPackageAccess(name);
        this.name = name;
    }

    @Override
    public String getClassName() {
        return "JavaPackage";
    }

    @Override
    public boolean equals(final Object other) {
        if (other instanceof NativeJavaPackage) {
            return name.equals(((NativeJavaPackage)other).name);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return name == null ? 0 : name.hashCode();
    }

    /**
     * Get the full name of the package
     * @return the name
     */
    public String getName() {
        return name;
    }

    @Override
    public String safeToString() {
        return toString();
    }

    @Override
    public String toString() {
        return "[JavaPackage " + name + "]";
    }

    @Override
    public Object getDefaultValue(final Class<?> hint) {
        if (hint == String.class) {
            return toString();
        }

        return super.getDefaultValue(hint);
    }

    @Override
    protected GuardedInvocation findNewMethod(final CallSiteDescriptor desc, final LinkRequest request) {
        return createClassNotFoundInvocation(desc);
    }

    @Override
    protected GuardedInvocation findCallMethod(final CallSiteDescriptor desc, final LinkRequest request) {
        return createClassNotFoundInvocation(desc);
    }

    private static GuardedInvocation createClassNotFoundInvocation(final CallSiteDescriptor desc) {
        // If NativeJavaPackage is invoked either as a constructor or as a function, throw a ClassNotFoundException as
        // we can assume the user attempted to instantiate a non-existent class.
        final MethodType type = desc.getMethodType();
        return new GuardedInvocation(
                MH.dropArguments(CLASS_NOT_FOUND, 1, type.parameterList().subList(1, type.parameterCount())),
                type.parameterType(0) == NativeJavaPackage.class ? null : TYPE_GUARD);
    }

    @SuppressWarnings("unused")
    private static void classNotFound(final NativeJavaPackage pkg) throws ClassNotFoundException {
        throw new ClassNotFoundException(pkg.name);
    }

    /**
     * "No such property" call placeholder.
     *
     * This can never be called as we override {@link ScriptObject#noSuchProperty}. We do declare it here as it's a signal
     * to {@link WithObject} that it's worth trying doing a {@code noSuchProperty} on this object.
     *
     * @param self self reference
     * @param name property name
     * @return never returns
     */
    @Function(attributes = Attribute.NOT_ENUMERABLE)
    public static Object __noSuchProperty__(final Object self, final Object name) {
        throw new AssertionError("__noSuchProperty__ placeholder called");
    }

    /**
     * "No such method call" placeholder
     *
     * This can never be called as we override {@link ScriptObject#noSuchMethod}. We do declare it here as it's a signal
     * to {@link WithObject} that it's worth trying doing a noSuchProperty on this object.
     *
     * @param self self reference
     * @param args arguments to method
     * @return never returns
     */
    @Function(attributes = Attribute.NOT_ENUMERABLE)
    public static Object __noSuchMethod__(final Object self, final Object... args) {
        throw new AssertionError("__noSuchMethod__ placeholder called");
    }

    /**
     * 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 = NashornCallSiteDescriptor.getOperand(desc);
        createProperty(propertyName);
        return super.lookup(desc, request);
    }

    @Override
    protected Object invokeNoSuchProperty(final Object key, final boolean isScope, final int programPoint) {
        if (!(key instanceof String)) {
            return super.invokeNoSuchProperty(key, isScope, programPoint);
        }
        final Object retval = createProperty((String) key);
        if (isValid(programPoint)) {
            throw new UnwarrantedOptimismException(retval, programPoint);
        }
        return retval;
    }

    @Override
    public GuardedInvocation noSuchMethod(final CallSiteDescriptor desc, final LinkRequest request) {
        return noSuchProperty(desc, request);
    }

    private static MethodHandle findOwnMH(final String name, final Class<?> rtype, final Class<?>... types) {
        return MH.findStatic(MethodHandles.lookup(), NativeJavaPackage.class, name, MH.type(rtype, types));
    }

    private Object createProperty(final String propertyName) {
        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
        }

        // Check for explicit constructor signature use
        // Example: new (java.awt["Color(int, int,int)"])(2, 3, 4);
        final int openBrace = propertyName.indexOf('(');
        final int closeBrace = propertyName.lastIndexOf(')');
        if (openBrace != -1 || closeBrace != -1) {
            final int lastChar = propertyName.length() - 1;
            if (openBrace == -1 || closeBrace != lastChar) {
                throw typeError("improper.constructor.signature", propertyName);
            }

            // get the class name and try to load it
            final String className = name + "." + propertyName.substring(0, openBrace);
            try {
                javaClass = context.findClass(className);
            } catch (final NoClassDefFoundError | ClassNotFoundException e) {
                throw typeError(e, "no.such.java.class", className);
            }

            // try to find a matching constructor
            final Object constructor = BeansLinker.getConstructorMethod(
                    javaClass, propertyName.substring(openBrace + 1, lastChar));
            if (constructor != null) {
                set(propertyName, constructor, 0);
                return constructor;
            }
            // we didn't find a matching constructor!
            throw typeError("no.such.java.constructor", propertyName);
        }

        final Object propertyValue;
        if (javaClass == null) {
            propertyValue = new NativeJavaPackage(fullName, getProto());
        } else {
            propertyValue = StaticClass.forClass(javaClass);
        }

        set(propertyName, propertyValue, 0);
        return propertyValue;
    }
}

⏎ jdk/nashorn/internal/runtime/NativeJavaPackage.java

Or download all of them as a single archive file:

File name: jdk.scripting.nashorn-11.0.1-src.zip
File size: 1390965 bytes
Release date: 2018-11-04
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