jdk8-mips64-public/corba: src/share/classes/com/sun/corba/se/impl/io/ObjectStreamField.java@55540e827aef (annotated)

src/share/classes/com/sun/corba/se/impl/io/ObjectStreamField.java@55540e827aef (annotated)

src/share/classes/com/sun/corba/se/impl/io/ObjectStreamField.java

Sat, 01 Dec 2007 00:00:00 +0000

author: duke
date: Sat, 01 Dec 2007 00:00:00 +0000
changeset 1: 55540e827aef
child 158: 91006f157c46
permissions: -rw-r--r--

Initial load

 /*
  * Copyright 1998-2004 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Sun designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Sun in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */
 /*
  * Licensed Materials - Property of IBM
  * RMI-IIOP v1.0
  * Copyright IBM Corp. 1998 1999  All Rights Reserved
  *
  */
 package com.sun.corba.se.impl.io;
 import java.lang.reflect.Field;
 import java.lang.Comparable;
 import java.util.Hashtable;
 import sun.corba.Bridge ;
 import java.security.AccessController ;
 import java.security.PrivilegedAction ;
 /**
  * A description of a field in a serializable class.
  * A array of these is used to declare the persistent fields of
  * a class.
  *
  */
 public class ObjectStreamField implements Comparable
 {
     private static final Bridge bridge =
         (Bridge)AccessController.doPrivileged(
             new PrivilegedAction() {
                 public Object run() {
                     return Bridge.get() ;
                 }
             }
         ) ;
     /**
      * Create a named field with the specified type.
      */
     ObjectStreamField(String n, Class clazz) {
         name = n;
         this.clazz = clazz;
         // Compute the typecode for easy switching
         if (clazz.isPrimitive()) {
             if (clazz == Integer.TYPE) {
                 type = 'I';
             } else if (clazz == Byte.TYPE) {
                 type = 'B';
             } else if (clazz == Long.TYPE) {
                 type = 'J';
             } else if (clazz == Float.TYPE) {
                 type = 'F';
             } else if (clazz == Double.TYPE) {
                 type = 'D';
             } else if (clazz == Short.TYPE) {
                 type = 'S';
             } else if (clazz == Character.TYPE) {
                 type = 'C';
             } else if (clazz == Boolean.TYPE) {
                 type = 'Z';
             }
         } else if (clazz.isArray()) {
             type = '[';
             typeString = ObjectStreamClass.getSignature(clazz);
         } else {
             type = 'L';
             typeString = ObjectStreamClass.getSignature(clazz);
         }
         if (typeString != null)
             signature = typeString;
         else
             signature = String.valueOf(type);
     }
     ObjectStreamField(Field field) {
         this(field.getName(), field.getType());
         setField( field ) ;
     }
     /**
      * Create an ObjectStreamField containing a reflected Field.
      */
     ObjectStreamField(String n, char t, Field f, String ts)
     {
         name = n;
         type = t;
         setField( f ) ;
         typeString = ts;
         if (typeString != null)
             signature = typeString;
         else
             signature = String.valueOf(type);
     }
     /**
      * Get the name of this field.
      */
     public String getName() {
         return name;
     }
     /**
      * Get the type of the field.
      */
     public Class getType() {
         if (clazz != null)
             return clazz;
         switch (type) {
         case 'B': clazz = Byte.TYPE;
             break;
         case 'C': clazz = Character.TYPE;
             break;
         case 'S': clazz = Short.TYPE;
             break;
         case 'I': clazz = Integer.TYPE;
             break;
         case 'J': clazz = Long.TYPE;
             break;
         case 'F': clazz = Float.TYPE;
             break;
         case 'D': clazz = Double.TYPE;
             break;
         case 'Z': clazz = Boolean.TYPE;
             break;
         case '[':
         case 'L':
             clazz = Object.class;
             break;
         }
         return clazz;
     }
     public char getTypeCode() {
         return type;
     }
     public String getTypeString() {
         return typeString;
     }
     Field getField() {
         return field;
     }
     void setField(Field field) {
         this.field = field;
         this.fieldID = bridge.objectFieldOffset( field ) ;
     }
     /*
      * Default constructor creates an empty field.
      * Usually used just to get to the sort functions.
      */
     ObjectStreamField() {
     }
     /**
      * test if this field is a primitive or not.
      */
     public boolean isPrimitive() {
         return (type != '[' && type != 'L');
     }
     /**
      * Compare this with another ObjectStreamField.
      * return -1 if this is smaller, 0 if equal, 1 if greater
      * types that are primitives are "smaller" than objects.
      * if equal, the names are compared.
      */
     public int compareTo(Object o) {
         ObjectStreamField f2 = (ObjectStreamField)o;
         boolean thisprim = (this.typeString == null);
         boolean otherprim = (f2.typeString == null);
         if (thisprim != otherprim) {
             return (thisprim ? -1 : 1);
         }
         return this.name.compareTo(f2.name);
     }
     /**
      * Compare the types of two class descriptors.
      * The match if they have the same primitive types.
      * or if they are both objects and the object types match.
      */
     public boolean typeEquals(ObjectStreamField other) {
         if (other == null || type != other.type)
             return false;
         /* Return true if the primitive types matched */
         if (typeString == null && other.typeString == null)
             return true;
         return ObjectStreamClass.compareClassNames(typeString,
                                                    other.typeString,
                                                    '/');
     }
     /* Returns the signature of the Field.
      *
      */
     public String getSignature() {
         return signature;
     }
     /**
      * Return a string describing this field.
      */
     public String toString() {
         if (typeString != null)
             return typeString + " " + name;
         else
             return type + " " + name;
     }
     public Class getClazz() {
         return clazz;
     }
     /* Returns the Field ID
      *
      */
     public long getFieldID() {
         return fieldID ;
     }
     private String name;                // the name of the field
     private char type;                  // type first byte of the type signature
     private Field field;                // Reflected field
     private String typeString;          // iff object, typename
     private Class clazz;                // the type of this field, if has been resolved
     // the next 2 things are RMI-IIOP specific, it can be easily
     // removed, if we can figure out all place where there are dependencies
     // to this.  Signature is esentially equal to typestring. Then
     // essentially we can use the java.io.ObjectStreamField as such.
     private String signature;   // the signature of the field
     private long fieldID = Bridge.INVALID_FIELD_OFFSET ;
 }

Mercurial > jdk8-mips64-public > corba / annotate

src/share/classes/com/sun/corba/se/impl/io/ObjectStreamField.java@55540e827aef (annotated)

src/share/classes/com/sun/corba/se/impl/io/ObjectStreamField.java