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src/java.base/share/classes/jdk/internal/module/ModuleInfo.java

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rev 51958 : 8211122: Reduce the number of internal classes made accessible to jdk.unsupported
Reviewed-by: alanb, dfuchs, kvn


  31 import java.io.IOException;
  32 import java.io.InputStream;
  33 import java.io.UncheckedIOException;
  34 import java.lang.module.InvalidModuleDescriptorException;
  35 import java.lang.module.ModuleDescriptor;
  36 import java.lang.module.ModuleDescriptor.Builder;
  37 import java.lang.module.ModuleDescriptor.Requires;
  38 import java.lang.module.ModuleDescriptor.Exports;
  39 import java.lang.module.ModuleDescriptor.Opens;
  40 import java.nio.ByteBuffer;
  41 import java.nio.BufferUnderflowException;
  42 import java.util.ArrayList;
  43 import java.util.Collections;
  44 import java.util.HashMap;
  45 import java.util.HashSet;
  46 import java.util.List;
  47 import java.util.Map;
  48 import java.util.Set;
  49 import java.util.function.Supplier;
  50 
  51 import jdk.internal.misc.JavaLangModuleAccess;
  52 import jdk.internal.misc.SharedSecrets;
  53 
  54 import static jdk.internal.module.ClassFileConstants.*;
  55 
  56 
  57 /**
  58  * Read module information from a {@code module-info} class file.
  59  *
  60  * @implNote The rationale for the hand-coded reader is startup performance
  61  * and fine control over the throwing of InvalidModuleDescriptorException.
  62  */
  63 
  64 public final class ModuleInfo {
  65 
  66     private final int JAVA_MIN_SUPPORTED_VERSION = 53;
  67     private final int JAVA_MAX_SUPPORTED_VERSION = 55;
  68 
  69     private static final JavaLangModuleAccess JLMA
  70         = SharedSecrets.getJavaLangModuleAccess();
  71 
  72     // supplies the set of packages when ModulePackages attribute not present




  31 import java.io.IOException;
  32 import java.io.InputStream;
  33 import java.io.UncheckedIOException;
  34 import java.lang.module.InvalidModuleDescriptorException;
  35 import java.lang.module.ModuleDescriptor;
  36 import java.lang.module.ModuleDescriptor.Builder;
  37 import java.lang.module.ModuleDescriptor.Requires;
  38 import java.lang.module.ModuleDescriptor.Exports;
  39 import java.lang.module.ModuleDescriptor.Opens;
  40 import java.nio.ByteBuffer;
  41 import java.nio.BufferUnderflowException;
  42 import java.util.ArrayList;
  43 import java.util.Collections;
  44 import java.util.HashMap;
  45 import java.util.HashSet;
  46 import java.util.List;
  47 import java.util.Map;
  48 import java.util.Set;
  49 import java.util.function.Supplier;
  50 
  51 import jdk.internal.access.JavaLangModuleAccess;
  52 import jdk.internal.access.SharedSecrets;
  53 
  54 import static jdk.internal.module.ClassFileConstants.*;
  55 
  56 
  57 /**
  58  * Read module information from a {@code module-info} class file.
  59  *
  60  * @implNote The rationale for the hand-coded reader is startup performance
  61  * and fine control over the throwing of InvalidModuleDescriptorException.
  62  */
  63 
  64 public final class ModuleInfo {
  65 
  66     private final int JAVA_MIN_SUPPORTED_VERSION = 53;
  67     private final int JAVA_MAX_SUPPORTED_VERSION = 55;
  68 
  69     private static final JavaLangModuleAccess JLMA
  70         = SharedSecrets.getJavaLangModuleAccess();
  71 
  72     // supplies the set of packages when ModulePackages attribute not present
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