001/* NameClassPair.java -- 002 Copyright (C) 2001, 2005, 2006 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package javax.naming; 040 041import java.io.Serializable; 042 043/** 044 * <code>NameClassPair</code> represents the name-classname mapping pair 045 * of a binding in a context. 046 * <p> 047 * Bindings are mappings of a name to an object and this class is used to 048 * specify the mapping of the name to the class type of the bound object. 049 * As classname the fully qualified classname is used. 050 * </p> 051 * 052 * @author Tom Tromey (tromey@redhat.com) 053 * @since 1.3 054 */ 055public class NameClassPair implements Serializable 056{ 057 private static final long serialVersionUID = 5620776610160863339L; 058 059 /** 060 * Constructs an instance with the given name and classname. 061 * 062 * @param name the name of the binding relative to the target context 063 * (may not be <code>null</code>) 064 * @param className the name of the class. If <code>null</code> the bound 065 * object is also <code>null</code> 066 */ 067 public NameClassPair (String name, String className) 068 { 069 this (name, className, true); 070 } 071 072 /** 073 * Constructs an instance with the given name and classname and a 074 * flag indicating if the name is relative to the target context. 075 * 076 * @param name the name of the binding (may not be <code>null</code>) 077 * @param className the name of the class. If <code>null</code> the bound 078 * object is also <code>null</code> 079 * @param isRelative flag indicating if the name is relative or not 080 */ 081 public NameClassPair (String name, String className, boolean isRelative) 082 { 083 this.name = name; 084 this.className = className; 085 this.isRel = isRelative; 086 } 087 088 /** 089 * Returns the classname of the binding. 090 * @return The fully qualified classname or <code>null</code> if the 091 * bound object is null. 092 */ 093 public String getClassName () 094 { 095 return className; 096 } 097 098 /** 099 * 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}