Source for javax.naming.NameClassPair

   1: /* NameClassPair.java --
   2:    Copyright (C) 2001, 2005, 2006  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package javax.naming;
  40: 
  41: import java.io.Serializable;
  42: 
  43: /**
  44:  * <code>NameClassPair</code> represents the name-classname mapping pair 
  45:  * of a binding in a context.
  46:  * <p>
  47:  * Bindings are mappings of a name to an object and this class is used to
  48:  * specify the mapping of the name to the class type of the bound object.
  49:  * As classname the fully qualified classname is used.
  50:  * </p>
  51:  * 
  52:  * @author Tom Tromey (tromey@redhat.com)
  53:  * @since 1.3
  54:  */
  55: public class NameClassPair implements Serializable
  56: {
  57:   private static final long serialVersionUID = 5620776610160863339L;
  58: 
  59:   /**
  60:    * Constructs an instance with the given name and classname.
  61:    * 
  62:    * @param name the name of the binding relative to the target context
  63:    * (may not be <code>null</code>)
  64:    * @param className the name of the class. If <code>null</code> the bound
  65:    * object is also <code>null</code>
  66:    */
  67:   public NameClassPair (String name, String className)
  68:   {
  69:     this (name, className, true);
  70:   }
  71: 
  72:   /**
  73:    * Constructs an instance with the given name and classname and a 
  74:    * flag indicating if the name is relative to the target context.
  75:    * 
  76:    * @param name the name of the binding (may not be <code>null</code>)
  77:    * @param className the name of the class. If <code>null</code> the bound
  78:    * object is also <code>null</code>
  79:    * @param isRelative flag indicating if the name is relative or not
  80:    */
  81:   public NameClassPair (String name, String className, boolean isRelative)
  82:   {
  83:     this.name = name;
  84:     this.className = className;
  85:     this.isRel = isRelative;
  86:   }
  87: 
  88:   /**
  89:    * Returns the classname of the binding.
  90:    * @return The fully qualified classname or <code>null</code> if the 
  91:    * bound object is null.
  92:    */
  93:   public String getClassName ()
  94:   {
  95:     return className;
  96:   }
  97: 
  98:   /**
  99:    * Returns the name of the binding.
 100:    * @return The name.
 101:    */
 102:   public String getName ()
 103:   {
 104:     return name;
 105:   }
 106: 
 107:   /**
 108:    * Checks whether the name is relative to the target context or not.
 109:    * @return <code>true</code> if the name is relative, 
 110:    * <code>false</code> otherwise.
 111:    */
 112:   public boolean isRelative ()
 113:   {
 114:     return isRel;
 115:   }
 116: 
 117:   /**
 118:    * Sets the classname of the bound object.
 119:    * @param name the classname to set (maybe <code>null</code>)
 120:    */
 121:   public void setClassName (String name)
 122:   {
 123:     this.className = name;
 124:   }
 125: 
 126:   /**
 127:    * Sets the name of the binding.
 128:    * @param name the name to set
 129:    */
 130:   public void setName (String name)
 131:   {
 132:     this.name = name;
 133:   }
 134: 
 135:   /**
 136:    * Sets if the name is relative to the target context.
 137:    * @param r <code>true</code> to mark as relative
 138:    */
 139:   public void setRelative (boolean r)
 140:   {
 141:     this.isRel = r;
 142:   }
 143:   
 144:   /**
 145:    * Sets the full name for this binding. Setting the full name by this 
 146:    * method is the only way to initialize full names of bindings if 
 147:    * supported by a specific naming system.
 148:    * 
 149:    * @param fullName the full name of this binding. If not set or set to 
 150:    * <code>null</code> the <code>getNameInNamespace()</code> method will
 151:    * throw an exception
 152:    * 
 153:    * @see #getNameInNamespace()
 154:    * 
 155:    * @since 1.5
 156:    */
 157:   public void setNameInNamespace(String fullName) 
 158:   {
 159:     this.fullName = fullName;
 160:   }
 161:   
 162:   /**
 163:    * Returns the full name for this binding. The full name of a binding is
 164:    * defined as the absolute name in its own namespace and is not valid 
 165:    * outside.
 166:    * 
 167:    * @return The full name in the bindings namespace.
 168:    * @throws UnsupportedOperationException if no full name is applicable in 
 169:    * the specific naming system.
 170:    * 
 171:    * @see Context#getNameInNamespace()
 172:    * 
 173:    * @since 1.5
 174:    */
 175:   public String getNameInNamespace()
 176:   {
 177:     if (this.fullName == null)
 178:       throw new UnsupportedOperationException();
 179:     
 180:     return this.fullName;
 181:   }
 182: 
 183:   /**
 184:    * Returns the string representation.
 185:    * @return The string <code>getName() + ":" + getClassName()</code>.
 186:    */
 187:   public String toString ()
 188:   {
 189:     // Specified by class documentation.
 190:     return name + ":" + className;
 191:   }
 192: 
 193:   // These field names are fixed by the serialization spec.
 194:   private String name;
 195:   private String className;
 196:   private boolean isRel;
 197:   private String fullName;
 198: }