src/share/classes/java/io/ObjectInputStream.java

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rev 3186 : 6880112: Project Coin: Port JDK core library code to use diamond operator


 196  *
 197  * @author      Mike Warres
 198  * @author      Roger Riggs
 199  * @see java.io.DataInput
 200  * @see java.io.ObjectOutputStream
 201  * @see java.io.Serializable
 202  * @see <a href="../../../platform/serialization/spec/input.html"> Object Serialization Specification, Section 3, Object Input Classes</a>
 203  * @since   JDK1.1
 204  */
 205 public class ObjectInputStream
 206     extends InputStream implements ObjectInput, ObjectStreamConstants
 207 {
 208     /** handle value representing null */
 209     private static final int NULL_HANDLE = -1;
 210 
 211     /** marker for unshared objects in internal handle table */
 212     private static final Object unsharedMarker = new Object();
 213 
 214     /** table mapping primitive type names to corresponding class objects */
 215     private static final HashMap<String, Class<?>> primClasses
 216         = new HashMap<String, Class<?>>(8, 1.0F);
 217     static {
 218         primClasses.put("boolean", boolean.class);
 219         primClasses.put("byte", byte.class);
 220         primClasses.put("char", char.class);
 221         primClasses.put("short", short.class);
 222         primClasses.put("int", int.class);
 223         primClasses.put("long", long.class);
 224         primClasses.put("float", float.class);
 225         primClasses.put("double", double.class);
 226         primClasses.put("void", void.class);
 227     }
 228 
 229     private static class Caches {
 230         /** cache of subclass security audit results */
 231         static final ConcurrentMap<WeakClassKey,Boolean> subclassAudits =
 232             new ConcurrentHashMap<WeakClassKey,Boolean>();
 233 
 234         /** queue for WeakReferences to audited subclasses */
 235         static final ReferenceQueue<Class<?>> subclassAuditsQueue =
 236             new ReferenceQueue<Class<?>>();
 237     }
 238 
 239     /** filter stream for handling block data conversion */
 240     private final BlockDataInputStream bin;
 241     /** validation callback list */
 242     private final ValidationList vlist;
 243     /** recursion depth */
 244     private int depth;
 245     /** whether stream is closed */
 246     private boolean closed;
 247 
 248     /** wire handle -> obj/exception map */
 249     private final HandleTable handles;
 250     /** scratch field for passing handle values up/down call stack */
 251     private int passHandle = NULL_HANDLE;
 252     /** flag set when at end of field value block with no TC_ENDBLOCKDATA */
 253     private boolean defaultDataEnd = false;
 254 
 255     /** buffer for reading primitive field values */
 256     private byte[] primVals;




 196  *
 197  * @author      Mike Warres
 198  * @author      Roger Riggs
 199  * @see java.io.DataInput
 200  * @see java.io.ObjectOutputStream
 201  * @see java.io.Serializable
 202  * @see <a href="../../../platform/serialization/spec/input.html"> Object Serialization Specification, Section 3, Object Input Classes</a>
 203  * @since   JDK1.1
 204  */
 205 public class ObjectInputStream
 206     extends InputStream implements ObjectInput, ObjectStreamConstants
 207 {
 208     /** handle value representing null */
 209     private static final int NULL_HANDLE = -1;
 210 
 211     /** marker for unshared objects in internal handle table */
 212     private static final Object unsharedMarker = new Object();
 213 
 214     /** table mapping primitive type names to corresponding class objects */
 215     private static final HashMap<String, Class<?>> primClasses
 216         = new HashMap<>(8, 1.0F);
 217     static {
 218         primClasses.put("boolean", boolean.class);
 219         primClasses.put("byte", byte.class);
 220         primClasses.put("char", char.class);
 221         primClasses.put("short", short.class);
 222         primClasses.put("int", int.class);
 223         primClasses.put("long", long.class);
 224         primClasses.put("float", float.class);
 225         primClasses.put("double", double.class);
 226         primClasses.put("void", void.class);
 227     }
 228 
 229     private static class Caches {
 230         /** cache of subclass security audit results */
 231         static final ConcurrentMap<WeakClassKey,Boolean> subclassAudits =
 232             new ConcurrentHashMap<>();
 233 
 234         /** queue for WeakReferences to audited subclasses */
 235         static final ReferenceQueue<Class<?>> subclassAuditsQueue =
 236             new ReferenceQueue<>();
 237     }
 238 
 239     /** filter stream for handling block data conversion */
 240     private final BlockDataInputStream bin;
 241     /** validation callback list */
 242     private final ValidationList vlist;
 243     /** recursion depth */
 244     private int depth;
 245     /** whether stream is closed */
 246     private boolean closed;
 247 
 248     /** wire handle -> obj/exception map */
 249     private final HandleTable handles;
 250     /** scratch field for passing handle values up/down call stack */
 251     private int passHandle = NULL_HANDLE;
 252     /** flag set when at end of field value block with no TC_ENDBLOCKDATA */
 253     private boolean defaultDataEnd = false;
 254 
 255     /** buffer for reading primitive field values */
 256     private byte[] primVals;