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/GuardingDynamicLinkerExporter.java

/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package jdk.dynalink.linker;

import java.security.Permission;
import java.util.List;
import java.util.ServiceLoader;
import java.util.function.Supplier;
import jdk.dynalink.DynamicLinkerFactory;

/**
 * A class acting as a supplier of guarding dynamic linkers that can be
 * automatically loaded by other language runtimes. Language runtimes wishing
 * to export their own linkers should subclass this class and implement the
 * {@link #get()} method to return a list of exported linkers and declare the
 * subclass in
 * {@code /META-INF/services/jdk.dynalink.linker.GuardingDynamicLinkerExporter}
 * resource of their distribution (typically, JAR file) so that dynamic linker
 * factories can discover them using the {@link ServiceLoader} mechanism. Note
 * that instantiating this class is tied to a security check for the
 * {@code RuntimePermission("dynalink.exportLinkersAutomatically")} when a
 * security manager is present, to ensure that only trusted runtimes can
 * automatically export their linkers into other runtimes.
 * @see DynamicLinkerFactory#setClassLoader(ClassLoader)
 */
public abstract class GuardingDynamicLinkerExporter implements Supplier<List<GuardingDynamicLinker>> {
    /**
     * The name of the runtime permission for creating instances of this class.
     * Granting this permission to a language runtime allows it to export its
     * linkers for automatic loading into other language runtimes.
     */
    public static final String AUTOLOAD_PERMISSION_NAME = "dynalink.exportLinkersAutomatically";

    private static final Permission AUTOLOAD_PERMISSION = new RuntimePermission(AUTOLOAD_PERMISSION_NAME);

    /**
     * Creates a new linker exporter. If there is a security manager installed
     * checks for the
     * {@code RuntimePermission("dynalink.exportLinkersAutomatically")} runtime
     * permission. This ensures only language runtimes granted this permission
     * will be allowed to export their linkers for automatic loading.
     * @throws SecurityException if the necessary runtime permission is not
     * granted.
     */
    protected GuardingDynamicLinkerExporter() {
        final SecurityManager sm = System.getSecurityManager();
        if (sm != null) {
            sm.checkPermission(AUTOLOAD_PERMISSION);
        }
    }
}

jdk/dynalink/linker/GuardingDynamicLinkerExporter.java

 

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