JDK 11 jdk.dynalink.jmod - Dynamic Linking Module

JDK 11 jdk.dynalink.jmod is the JMOD file for JDK 11 Dynamic Linking module.

JDK 11 Dynamic Linking module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.dynalink.jmod.

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

JDK 11 Dynamic Linking module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.dynalink.

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

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jdk/dynalink/linker/GuardingTypeConverterFactory.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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/*
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/*
   Copyright 2009-2013 Attila Szegedi

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are
   met:
   * Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
   * Neither the name of the copyright holder nor the names of
     contributors may be used to endorse or promote products derived from
     this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
   BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
   BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package jdk.dynalink.linker;

import java.lang.invoke.MethodHandles;
import java.util.function.Supplier;
import jdk.dynalink.SecureLookupSupplier;
import jdk.dynalink.beans.BeansLinker;
import jdk.dynalink.linker.support.TypeUtilities;

/**
 * Optional interface that can be implemented by {@link GuardingDynamicLinker}
 * implementations to provide language-specific type conversion capabilities.
 * Note that if you implement this interface, you will very likely want to
 * implement {@link ConversionComparator} interface too, as your additional
 * language-specific conversions, in absence of a strategy for prioritizing
 * these conversions, will cause more ambiguity for {@link BeansLinker} in
 * selecting the correct overload when trying to link to an overloaded Java
 * method.
 */
public interface GuardingTypeConverterFactory {
    /**
     * Returns a guarded type conversion that receives a value of the specified
     * source type and returns a value converted to the specified target type.
     * Value types can be either primitives or reference types, including
     * interfaces, so you can even provide converters for converting your
     * language's objects to Java interfaces and classes by generating adapters
     * for them.
     * <p>
     * The type of the invocation is <code>(sourceType)&rarr;targetType</code>, while the
     * type of the guard is <code>(sourceType)&rarr;boolean</code>. You are allowed to
     * return unconditional invocations (with no guard) if the source type is
     * specific to your runtime and your runtime only.
     * <p>Note that this method will never be invoked for
     * {@link TypeUtilities#isMethodInvocationConvertible(Class, Class) method
     * invocation conversions} as those can be automatically applied by
     * {@link java.lang.invoke.MethodHandle#asType(MethodType)}.
     * An implementation can assume it is never requested to produce a
     * converter for those conversions. If a language runtime needs to customize
     * method invocation conversions, it should
     * {@link jdk.dynalink.DynamicLinkerFactory#setAutoConversionStrategy(MethodTypeConversionStrategy)
     * set an autoconversion strategy in the dynamic linker factory} instead.
     * <p>Dynalink is at liberty to either cache some of the returned converters
     * or to repeatedly request the converter factory to create the same
     * conversion.
     *
     * @param sourceType source type
     * @param targetType the target type.
     * @param lookupSupplier a supplier for retrieving the lookup of the class
     * on whose behalf a type converter is requested. When a converter is
     * requested as part of linking an {@code invokedynamic} instruction the
     * supplier will return the lookup passed to the bootstrap method, otherwise
     * if the method is invoked from within a
     * {@link LinkerServices#getWithLookup(Supplier, jdk.dynalink.SecureLookupSupplier)}
     * it will delegate to the secure lookup supplier. In any other case,
     * it will return the public lookup. A typical case where the lookup might
     * be needed is when the converter creates a Java adapter class on the fly
     * (e.g. to convert some object from the dynamic language into a Java
     * interface for interoperability). Invoking the {@link Supplier#get()}
     * method on the passed supplier will be subject to the same security checks
     * as {@link SecureLookupSupplier#getLookup()}. An implementation should avoid
     * retrieving the lookup if it is not needed so as to avoid the expense of
     * {@code AccessController.doPrivileged} call.
     * @return a guarded invocation that can take an object (if it passes guard)
     * and return another object that is its representation coerced into the
     * target type. In case the factory is certain it is unable to handle a
     * conversion, it can return null. In case the factory is certain that it
     * can always handle the conversion, it can return an unconditional
     * invocation (one whose guard is null).
     * @throws Exception if there was an error during creation of the converter
     * @see LinkerServices#getWithLookup(Supplier, SecureLookupSupplier)
     */
    public GuardedInvocation convertToType(Class<?> sourceType, Class<?> targetType, Supplier<MethodHandles.Lookup> lookupSupplier) throws Exception;
}

jdk/dynalink/linker/GuardingTypeConverterFactory.java

 

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