corba/src/share/classes/com/sun/corba/se/impl/orbutil/ObjectStreamField.java - edge/openjdk - Git at Google

 /*
  * Copyright (c) 2001, 2003, 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 com.sun.corba.se.impl.orbutil;

 import java.lang.reflect.Field;
 import java.lang.Comparable;
 import java.util.Hashtable;

 /**
  * This is duplicated here somewhat in haste since we can't
  * expose this class outside of the com.sun.corba.se.impl.io
  * package for security reasons.
  */
 /**
  * A description of a field in a serializable class.
  * A array of these is used to declare the persistent fields of
  * a class.
  *
  */
 class ObjectStreamField implements Comparable {
     /**
      * 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_1_3_1.getSignature(clazz);
         } else {
             type = 'L';
             typeString = ObjectStreamClass_1_3_1.getSignature(clazz);
         }

         if (typeString != null)
             signature = typeString;
         else
             signature = String.valueOf(type);

     }

     ObjectStreamField(Field field) {
         this(field.getName(), field.getType());
         this.field = field;
     }

     /**
      * Create an ObjectStreamField containing a reflected Field.
      */
     ObjectStreamField(String n, char t, Field f, String ts)
     {
         name = n;
         type = t;
         field = 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 = -1;
     }

     /*
      * 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_1_3_1.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
      * NOT USED, since this class is used only in ObjectStreamClass_1_3_1,
      * which is used only in RepositoryId_1_3_1.
     public long getFieldID( Class cl ) {
         if (fieldID == -1) {
             if (typeString != null)
                 fieldID = getFieldIDNative( cl, getName(), typeString );
             else
                 fieldID = getFieldIDNative( cl, getName(), getSignature() );
         }
         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 3 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 = -1;
     // private static native long getFieldIDNative(Class c, String fieldName, String fieldSig);
 }
	/*
	* Copyright (c) 2001, 2003, 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 com.sun.corba.se.impl.orbutil;

	import java.lang.reflect.Field;
	import java.lang.Comparable;
	import java.util.Hashtable;

	/**
	* This is duplicated here somewhat in haste since we can't
	* expose this class outside of the com.sun.corba.se.impl.io
	* package for security reasons.
	*/
	/**
	* A description of a field in a serializable class.
	* A array of these is used to declare the persistent fields of
	* a class.
	*
	*/
	class ObjectStreamField implements Comparable {
	/**
	* 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_1_3_1.getSignature(clazz);
	} else {
	type = 'L';
	typeString = ObjectStreamClass_1_3_1.getSignature(clazz);
	}

	if (typeString != null)
	signature = typeString;
	else
	signature = String.valueOf(type);

	}

	ObjectStreamField(Field field) {
	this(field.getName(), field.getType());
	this.field = field;
	}

	/**
	* Create an ObjectStreamField containing a reflected Field.
	*/
	ObjectStreamField(String n, char t, Field f, String ts)
	{
	name = n;
	type = t;
	field = 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 = -1;
	}

	/*
	* 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_1_3_1.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
	* NOT USED, since this class is used only in ObjectStreamClass_1_3_1,
	* which is used only in RepositoryId_1_3_1.
	public long getFieldID( Class cl ) {
	if (fieldID == -1) {
	if (typeString != null)
	fieldID = getFieldIDNative( cl, getName(), typeString );
	else
	fieldID = getFieldIDNative( cl, getName(), getSignature() );
	}
	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 3 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 = -1;
	// private static native long getFieldIDNative(Class c, String fieldName, String fieldSig);
	}