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src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.services/src/jdk/vm/ci/services/JVMCIServiceLocator.java

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*** 22,37 **** */ package jdk.vm.ci.services; import java.util.ArrayList; import java.util.List; /** * Service-provider class for the runtime to locate providers of JVMCI services where the latter are ! * not in packages exported by the JVMCI module. As part of instantiating ! * {@link JVMCIServiceLocator}, all JVMCI packages will be {@linkplain Services#exportJVMCITo(Class) ! * exported} to the module defining the class of the instantiated object. * * While the {@link #getProvider(Class)} method can be used directly, it's usually easier to use * {@link #getProviders(Class)}. */ public abstract class JVMCIServiceLocator { --- 22,40 ---- */ package jdk.vm.ci.services; import java.util.ArrayList; import java.util.List; + import java.util.ServiceLoader; + + import jdk.vm.ci.services.internal.ReflectionAccessJDK; /** * Service-provider class for the runtime to locate providers of JVMCI services where the latter are ! * not in packages exported by the JVMCI module. As part of instantiating a ! * {@link JVMCIServiceLocator}, all JVMCI packages will be opened to the module defining the class ! * of the instantiated object. * * While the {@link #getProvider(Class)} method can be used directly, it's usually easier to use * {@link #getProviders(Class)}. */ public abstract class JVMCIServiceLocator {
*** 47,80 **** @SuppressWarnings("unused") private JVMCIServiceLocator(Void ignore) { } /** ! * Creates a capability for accessing JVMCI. Once successfully instantiated, JVMCI exports all ! * its packages to the module defining the type of this object. * * @throws SecurityException if a security manager has been installed and it denies * {@link JVMCIPermission} */ protected JVMCIServiceLocator() { this(checkPermission()); ! Services.exportJVMCITo(getClass()); } /** * Gets the provider of the service defined by {@code service} or {@code null} if this object * does not have a provider for {@code service}. */ ! public abstract <S> S getProvider(Class<S> service); /** ! * Gets the providers of the service defined by {@code service} by querying the ! * {@link JVMCIServiceLocator} providers obtained by {@link Services#load(Class)}. */ public static <S> List<S> getProviders(Class<S> service) { List<S> providers = new ArrayList<>(); ! for (JVMCIServiceLocator access : Services.load(JVMCIServiceLocator.class)) { S provider = access.getProvider(service); if (provider != null) { providers.add(provider); } } --- 50,90 ---- @SuppressWarnings("unused") private JVMCIServiceLocator(Void ignore) { } /** ! * Creates a capability for accessing JVMCI. Once successfully instantiated, JVMCI opens all its ! * packages to the module defining the type of this object. * * @throws SecurityException if a security manager has been installed and it denies * {@link JVMCIPermission} */ protected JVMCIServiceLocator() { this(checkPermission()); ! ReflectionAccessJDK.openJVMCITo(getClass()); } /** * Gets the provider of the service defined by {@code service} or {@code null} if this object * does not have a provider for {@code service}. */ ! protected abstract <S> S getProvider(Class<S> service); /** ! * Gets the providers of the service defined by {@code service} by querying the available ! * {@link JVMCIServiceLocator} providers. ! * ! * @throws SecurityException if a security manager is present and it denies ! * {@link JVMCIPermission} */ public static <S> List<S> getProviders(Class<S> service) { + SecurityManager sm = System.getSecurityManager(); + if (sm != null) { + sm.checkPermission(new JVMCIPermission()); + } List<S> providers = new ArrayList<>(); ! for (JVMCIServiceLocator access : ServiceLoader.load(JVMCIServiceLocator.class, ClassLoader.getSystemClassLoader())) { S provider = access.getProvider(service); if (provider != null) { providers.add(provider); } }
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