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jeremybenn |
/* Binding.java --
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Copyright (C) 2001, 2005, 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.naming;
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/**
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* <code>Binding</code> represents the name-object mapping of a
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* binding in a context.
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* <p>
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* Bindings are mappings of a name to an object and this class is used to
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* specify such mappings. The bindings of a context are retrieved by the
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* <code>Context#listBindings()</code> methods.
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* </p>
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*
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* @author Tom Tromey (tromey@redhat.com)
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* @since 1.3
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*/
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public class Binding extends NameClassPair
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{
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private static final long serialVersionUID = 8839217842691845890L;
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/**
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* Constructs an instance with the given name and object.
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*
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* @param name the name of the binding relative to the target context
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* (may not be <code>null</code>)
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* @param obj the bound object
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*/
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public Binding (String name, Object obj)
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{
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super (name, null);
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boundObj = obj;
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}
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/**
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* Constructs an instance with the given name and object and a
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* flag indicating if the name is relative to the target context.
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*
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* @param name the name of the binding relative to the target context
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* (may not be <code>null</code>)
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* @param obj the bound object
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* @param isRelative flag indicating if the name is relative or not
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*/
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public Binding (String name, Object obj, boolean isRelative)
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{
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super (name, null, isRelative);
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boundObj = obj;
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}
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/**
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* Constructs an instance with the given name, classname and object.
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*
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* @param name the name of the binding relative to the target context
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* (may not be <code>null</code>)
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* @param className the classname to set (maybe <code>null</code>)
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* @param obj the bound object
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*/
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public Binding (String name, String className, Object obj)
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{
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super (name, className);
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boundObj = obj;
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}
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/**
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* Constructs an instance with the given name, classname, object and a
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* flag indicating if the name is relative to the target context.
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*
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* @param name the name of the binding relative to the target context
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* (may not be <code>null</code>)
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* @param className the classname to set (maybe <code>null</code>)
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* @param isRelative flag indicating if the name is relative or not
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* @param obj the bound object
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*/
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public Binding (String name, String className, Object obj,
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boolean isRelative)
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{
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super (name, className, isRelative);
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boundObj = obj;
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}
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/**
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* Returns the classname of the bound object.
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* <p>
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* Returns the classname if set explicitly. If not and the bound object is
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* not <code>null</code> the classname of the bound object is used.
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* </p>
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*
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* @return The fully qualified classname (may be <code>null</code>).
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*/
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public String getClassName ()
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{
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String r = super.getClassName ();
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if (r != null)
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return r;
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return boundObj == null ? null : boundObj.getClass ().getName ();
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}
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/**
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* Returns the bound object of this binding.
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* @return The bound object (maybe <code>null</code>).
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*/
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public Object getObject ()
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{
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return boundObj;
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}
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/**
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* Sets the bound object of this binding.
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* @param obj the bound object.
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*/
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public void setObject (Object obj)
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{
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boundObj = obj;
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}
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/**
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* Returns the string representation.
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* @return The string as given by the NameClassPair superclass plus
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* the bound objects string representation seperated by a colon.
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*/
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public String toString ()
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{
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// Format specified by the documentation.
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return super.toString () + ":" + boundObj.toString ();
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}
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// This name is fixed by the serialization spec.
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private Object boundObj;
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}
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