jdk8-mips64-public/corba: src/share/classes/sun/rmi/rmic/iiop/ValueType.java@e324dfb90c9e (annotated)

src/share/classes/sun/rmi/rmic/iiop/ValueType.java@e324dfb90c9e (annotated)

src/share/classes/sun/rmi/rmic/iiop/ValueType.java

Wed, 28 Mar 2012 02:50:50 -0700

author: mbankal
date: Wed, 28 Mar 2012 02:50:50 -0700
changeset 371: e324dfb90c9e
parent 158: 91006f157c46
child 748: 6845b95cba6b
permissions: -rw-r--r--

7079902: Refine CORBA data models
Reviewed-by: coffeys

 /*
  * Copyright (c) 1998, 2007, Oracle and/or its affiliates. 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.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.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 sun.rmi.rmic.iiop;
 import java.util.Vector;
 import sun.tools.java.ClassNotFound;
 import sun.tools.java.ClassDeclaration;
 import sun.tools.java.ClassDefinition;
 import sun.tools.java.MemberDefinition;
 import java.util.Hashtable;
 import java.io.ObjectStreamClass;
 import java.io.ObjectStreamField;
 /**
  * ValueType represents any non-special class which does inherit from
  * java.io.Serializable and does not inherit from java.rmi.Remote.
  * <p>
  * The static forValue(...) method must be used to obtain an instance, and
  * will return null if the ClassDefinition is non-conforming.
  *
  * @author      Bryan Atsatt
  */
 public class ValueType extends ClassType {
     private boolean isCustom;
     //_____________________________________________________________________
     // Public Interfaces
     //_____________________________________________________________________
     /**
      * Create an ValueType object for the given class.
      *
      * If the class is not a properly formed or if some other error occurs, the
      * return value will be null, and errors will have been reported to the
      * supplied BatchEnvironment.
      */
     public static ValueType forValue(ClassDefinition classDef,
                                      ContextStack stack,
                                      boolean quiet) {
         if (stack.anyErrors()) return null;
         // Do we already have it?
         sun.tools.java.Type theType = classDef.getType();
         String typeKey = theType.toString();
         Type existing = getType(typeKey,stack);
         if (existing != null) {
             if (!(existing instanceof ValueType)) return null; // False hit.
             // Yep, so return it...
             return (ValueType) existing;
         }
         // Is this java.lang.Class?
         boolean javaLangClass = false;
         if (classDef.getClassDeclaration().getName() == idJavaLangClass) {
             // Yes, so replace classDef with one for
             // javax.rmi.CORBA.ClassDesc...
             javaLangClass = true;
             BatchEnvironment env = stack.getEnv();
             ClassDeclaration decl = env.getClassDeclaration(idClassDesc);
             ClassDefinition def = null;
             try {
                 def = decl.getClassDefinition(env);
             } catch (ClassNotFound ex) {
                 classNotFound(stack,ex);
                 return null;
             }
             classDef = def;
         }
         // Could this be a value?
         if (couldBeValue(stack,classDef)) {
             // Yes, so check it...
             ValueType it = new ValueType(classDef,stack,javaLangClass);
             putType(typeKey,it,stack);
             stack.push(it);
             if (it.initialize(stack,quiet)) {
                 stack.pop(true);
                 return it;
             } else {
                 removeType(typeKey,stack);
                 stack.pop(false);
                 return null;
             }
         } else {
             return null;
         }
     }
     /**
      * Return a string describing this type.
      */
     public String getTypeDescription () {
         String result = addExceptionDescription("Value");
         if (isCustom) {
             result = "Custom " + result;
         }
         if (isIDLEntity) {
             result = result + " [IDLEntity]";
         }
         return result;
     }
     /**
      * Return true if this type is a "custom" type (i.e.
      * it implements java.io.Externalizable or has a
      * method with the following signature:
      *
      *  private void writeObject(java.io.ObjectOutputStream out);
      *
      */
     public boolean isCustom () {
         return isCustom;
     }
     //_____________________________________________________________________
     // Subclass/Internal Interfaces
     //_____________________________________________________________________
     /**
      * Create a ValueType instance for the given class.  The resulting
      * object is not yet completely initialized.
      */
     private ValueType(ClassDefinition classDef,
                       ContextStack stack,
                       boolean isMappedJavaLangClass) {
         super(stack,classDef,TYPE_VALUE | TM_CLASS | TM_COMPOUND);
         isCustom = false;
         // If this is the mapped version of java.lang.Class,
         // set the non-IDL names back to java.lang.Class...
         if (isMappedJavaLangClass) {
             setNames(idJavaLangClass,IDL_CLASS_MODULE,IDL_CLASS);
         }
     }
     //_____________________________________________________________________
     // Internal Interfaces
     //_____________________________________________________________________
     /**
      * Initialize this instance.
      */
     private static boolean couldBeValue(ContextStack stack, ClassDefinition classDef) {
         boolean result = false;
         ClassDeclaration classDecl = classDef.getClassDeclaration();
         BatchEnvironment env = stack.getEnv();
         try {
             // Make sure it's not remote...
             if (env.defRemote.implementedBy(env, classDecl)) {
                 failedConstraint(10,false,stack,classDef.getName());
             } else {
                 // Make sure it's Serializable...
                 if (!env.defSerializable.implementedBy(env, classDecl)) {
                     failedConstraint(11,false,stack,classDef.getName());
                 } else {
                     result = true;
                 }
             }
         } catch (ClassNotFound e) {
             classNotFound(stack,e);
         }
         return result;
     }
     /**
      * Initialize this instance.
      */
     private boolean initialize (ContextStack stack, boolean quiet) {
         ClassDefinition ourDef = getClassDefinition();
         ClassDeclaration ourDecl = getClassDeclaration();
         try {
             // Make sure our parentage is ok...
             if (!initParents(stack)) {
                 failedConstraint(12,quiet,stack,getQualifiedName());
                 return false;
             }
             // We're ok, so make up our collections...
             Vector directInterfaces = new Vector();
             Vector directMethods = new Vector();
             Vector directMembers = new Vector();
             // Get interfaces...
             if (addNonRemoteInterfaces(directInterfaces,stack) != null) {
                 // Get methods...
                 if (addAllMethods(ourDef,directMethods,false,false,stack) != null) {
                     // Update parent class methods
                     if (updateParentClassMethods(ourDef,directMethods,false,stack) != null) {
                     // Get constants and members...
                     if (addAllMembers(directMembers,false,false,stack)) {
                         // We're ok, so pass 'em up...
                         if (!initialize(directInterfaces,directMethods,directMembers,stack,quiet)) {
                             return false;
                         }
                         // Is this class Externalizable?
                         boolean externalizable = false;
                         if (!env.defExternalizable.implementedBy(env, ourDecl)) {
                             // No, so check to see if we have a serialPersistentField
                             // that will modify the members.
                             if (!checkPersistentFields(getClassInstance(),quiet)) {
                                 return false;
                             }
                         } else {
                             // Yes.
                             externalizable = true;
                         }
                         // Should this class be considered "custom"? It is if
                         // it is Externalizable OR if it has a method with the
                         // following signature:
                         //
                         //  private void writeObject(java.io.ObjectOutputStream out);
                         //
                         if (externalizable) {
                             isCustom = true;
                         } else {
                             for (MemberDefinition member = ourDef.getFirstMember();
                                  member != null;
                                  member = member.getNextMember()) {
                                 if (member.isMethod() &&
                                     !member.isInitializer() &&
                                     member.isPrivate() &&
                                     member.getName().toString().equals("writeObject")) {
                                     // Check return type, arguments and exceptions...
                                     sun.tools.java.Type methodType = member.getType();
                                     sun.tools.java.Type rtnType = methodType.getReturnType();
                                     if (rtnType == sun.tools.java.Type.tVoid) {
                                         // Return type is correct. How about arguments?
                                         sun.tools.java.Type[] args = methodType.getArgumentTypes();
                                         if (args.length == 1 &&
                                             args[0].getTypeSignature().equals("Ljava/io/ObjectOutputStream;")) {
                                             // Arguments are correct, so it is a custom
                                             // value type...
                                             isCustom = true;
                                         }
                                     }
                                 }
                             }
                         }
                         }
                         return true;
                     }
                 }
             }
         } catch (ClassNotFound e) {
             classNotFound(stack,e);
         }
         return false;
     }
     private boolean checkPersistentFields (Class clz, boolean quiet) {
         // Do we have a writeObject method?
         for (int i = 0; i < methods.length; i++) {
             if (methods[i].getName().equals("writeObject") &&
                 methods[i].getArguments().length == 1) {
                 Type returnType = methods[i].getReturnType();
                 Type arg = methods[i].getArguments()[0];
                 String id = arg.getQualifiedName();
                 if (returnType.isType(TYPE_VOID) &&
                     id.equals("java.io.ObjectOutputStream")) {
                     // Got one, so there's nothing to do...
                     return true;
                 }
             }
         }
         // Do we have a valid serialPersistentField array?
         MemberDefinition spfDef = null;
         for (int i = 0; i < members.length; i++) {
             if (members[i].getName().equals("serialPersistentFields")) {
                 Member member = members[i];
                 Type type = member.getType();
                 Type elementType = type.getElementType();
                 // We have a member with the correct name. Make sure
                 // we have the correct signature...
                 if (elementType != null &&
                     elementType.getQualifiedName().equals(
                                                           "java.io.ObjectStreamField")
                     ) {
                     if (member.isStatic() &&
                         member.isFinal() &&
                         member.isPrivate()) {
                         // We have the correct signature
                         spfDef = member.getMemberDefinition();
                     } else {
                         // Bad signature...
                         failedConstraint(4,quiet,stack,getQualifiedName());
                         return false;
                     }
                 }
             }
         }
         // If we do not have a serialPersistentField,
         // there's nothing to do, so return with no error...
         if (spfDef == null) {
             return true;
         }
         // Ok, now we must examine the contents of the array -
         // then validate them...
         Hashtable fields = getPersistentFields(clz);
         boolean result = true;
         for (int i = 0; i < members.length; i++) {
             String fieldName = members[i].getName();
             String fieldType = members[i].getType().getSignature();
             // Is this field present in the array?
             String type = (String) fields.get(fieldName);
             if (type == null) {
                 // No, so mark it transient...
                 members[i].setTransient();
             } else {
                 // Yes, does the type match?
                 if (type.equals(fieldType)) {
                     // Yes, so remove it from the fields table...
                     fields.remove(fieldName);
                 } else {
                     // No, so error...
                     result = false;
                     failedConstraint(2,quiet,stack,fieldName,getQualifiedName());
                 }
             }
         }
         // Ok, we've checked all of our fields. Are there any left in the "array"?
         // If so, it's an error...
         if (result && fields.size() > 0) {
             result = false;
             failedConstraint(9,quiet,stack,getQualifiedName());
         }
         // Return result...
         return result;
     }
     /**
      * Get the names and types of all the persistent fields of a Class.
      */
     private Hashtable getPersistentFields (Class clz) {
         Hashtable result = new Hashtable();
         ObjectStreamClass osc = ObjectStreamClass.lookup(clz);
         if (osc != null) {
             ObjectStreamField[] fields = osc.getFields();
             for (int i = 0; i < fields.length; i++) {
                 String typeSig;
                 String typePrefix = String.valueOf(fields[i].getTypeCode());
                 if (fields[i].isPrimitive()) {
                     typeSig = typePrefix;
                 } else {
                     if (fields[i].getTypeCode() == '[') {
                         typePrefix = "";
                     }
                     typeSig = typePrefix + fields[i].getType().getName().replace('.','/');
                     if (typeSig.endsWith(";")) {
                         typeSig = typeSig.substring(0,typeSig.length()-1);
                     }
                 }
                 result.put(fields[i].getName(),typeSig);
             }
         }
         return result;
     }
 }

Mercurial > jdk8-mips64-public > corba / annotate

src/share/classes/sun/rmi/rmic/iiop/ValueType.java@e324dfb90c9e (annotated)

src/share/classes/sun/rmi/rmic/iiop/ValueType.java