/*
* @(#)OpenType.java 3.27 03/12/19
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package javax.management.openmbean;
// java import
//
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
// jmx import
//
/**
* The OpenType
class is the parent abstract class of all classes which describe the actual open type
* of open data values.
*
* An open type is defined by: *
ALLOWED_CLASSNAMES = { "java.lang.Void", "java.lang.Boolean", "java.lang.Character", "java.lang.Byte", "java.lang.Short", "java.lang.Integer", "java.lang.Long", "java.lang.Float", "java.lang.Double", "java.lang.String", "java.math.BigDecimal", "java.math.BigInteger", "java.util.Date", "javax.management.ObjectName", CompositeData.class.getName(), TabularData.class.getName() } ;* */ public static final String[] ALLOWED_CLASSNAMES = { "java.lang.Void", "java.lang.Boolean", "java.lang.Character", "java.lang.Byte", "java.lang.Short", "java.lang.Integer", "java.lang.Long", "java.lang.Float", "java.lang.Double", "java.lang.String", "java.math.BigDecimal", "java.math.BigInteger", "java.util.Date", "javax.management.ObjectName", CompositeData.class.getName(), // better refer to these two class names like this, rather than hardcoding a string, TabularData.class.getName() } ; // in case the package of these classes should change (who knows...) /** * @serial The fully qualified Java class name of open data values this type describes. */ private String className; /** * @serial The type description (should not be null or empty). */ private String description; /** * @serial The name given to this type (should not be null or empty). */ private String typeName; /** * @serial Tells if this type describes an array (checked in constructor). */ private transient boolean isArray = false; /* *** Constructor *** */ /** * Constructs an
OpenType
instance (actually a subclass instance as OpenType
is abstract),
* checking for the validity of the given parameters.
* The validity constraints are described below for each parameter.
* java.lang.Class
.
* For example, a 3-dimensional array of Strings has for class name
* "[[[Ljava.lang.String;
" (without the quotes).
* [[[Ljava.lang.String;
" (without the quotes).
*
* @return the class name.
*/
public String getClassName() {
return className;
}
/**
* Returns the name of this OpenType
instance.
*
* @return the type name.
*/
public String getTypeName() {
return typeName;
}
/**
* Returns the text description of this OpenType
instance.
*
* @return the description.
*/
public String getDescription() {
return description;
}
/**
* Returns true
if the open data values this open
* type describes are arrays, false
otherwise.
*
* @return true if this is an array type.
*/
public boolean isArray() {
return isArray;
}
/**
* Tests whether obj is a value for this open type.
*
* @param obj the object to be tested for validity.
*
* @return true
if obj is a value for this
* open type, false
otherwise.
*/
public abstract boolean isValue(Object obj) ;
/* *** Methods overriden from class Object *** */
/**
* Compares the specified obj
parameter with this
* open type instance for equality.
*
* @param obj the object to compare to.
*
* @return true if this object and obj
are equal.
*/
public abstract boolean equals(Object obj) ;
public abstract int hashCode() ;
/**
* Returns a string representation of this open type instance.
*
* @return the string representation.
*/
public abstract String toString() ;
/**
* Deserializes an {@link OpenType} from an {@link ObjectInputStream}.
*/
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException {
in.defaultReadObject();
isArray = (className.startsWith("["));
}
}