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1: /* TransientContextExt.java -- 2: Copyright (C) 2005 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 gnu.CORBA.NamingService; 40: 41: import org.omg.CORBA.NO_IMPLEMENT; 42: import org.omg.CORBA.Object; 43: import org.omg.CORBA.portable.Delegate; 44: import org.omg.CORBA.portable.ObjectImpl; 45: import org.omg.CosNaming.BindingIteratorHolder; 46: import org.omg.CosNaming.BindingListHolder; 47: import org.omg.CosNaming.NameComponent; 48: import org.omg.CosNaming.NamingContext; 49: import org.omg.CosNaming.NamingContextPackage.AlreadyBound; 50: import org.omg.CosNaming.NamingContextPackage.CannotProceed; 51: import org.omg.CosNaming.NamingContextPackage.InvalidName; 52: import org.omg.CosNaming.NamingContextPackage.NotEmpty; 53: import org.omg.CosNaming.NamingContextPackage.NotFound; 54: import org.omg.CosNaming._NamingContextExtImplBase; 55: 56: /** 57: * This naming context that adds the the string based extensions, 58: * defined by {@link NamingContextExt}. The basic functionality 59: * is handled by the enclosed instance of the {@link NamingContext}. 60: * 61: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 62: */ 63: public class Ext 64: extends _NamingContextExtImplBase 65: { 66: /** 67: * The older version of the naming context, where all relevant calls 68: * are forwarded. 69: */ 70: private final NamingContext classic; 71: 72: /** 73: * The converter class converts between string and array form of the 74: * name. 75: */ 76: private NameTransformer converter = new NameTransformer(); 77: 78: /** 79: * Create the extensions for the given instance of the context. 80: * 81: * @param previous_version the previous version of the naming context. 82: */ 83: public Ext(NamingContext previous_version) 84: { 85: classic = previous_version; 86: } 87: 88: /** 89: * Sets a delegate to this context and, if appropriated, also 90: * sets the same delegate to the enclosing 'classic' context. 91: * 92: * @param a_delegate a delegate to set. 93: */ 94: public void _set_delegate(Delegate a_delegate) 95: { 96: super._set_delegate(a_delegate); 97: if (classic instanceof ObjectImpl) 98: ((ObjectImpl) classic)._set_delegate(a_delegate); 99: } 100: 101: /** {@inheritDoc} */ 102: public void bind(NameComponent[] a_name, Object an_object) 103: throws NotFound, CannotProceed, InvalidName, AlreadyBound 104: { 105: classic.bind(a_name, an_object); 106: } 107: 108: /** {@inheritDoc} */ 109: public void bind_context(NameComponent[] a_name, NamingContext context) 110: throws NotFound, CannotProceed, InvalidName, AlreadyBound 111: { 112: classic.bind_context(a_name, context); 113: } 114: 115: /** {@inheritDoc} */ 116: public NamingContext bind_new_context(NameComponent[] a_name) 117: throws NotFound, AlreadyBound, CannotProceed, 118: InvalidName 119: { 120: return classic.bind_new_context(a_name); 121: } 122: 123: /** {@inheritDoc} */ 124: public void destroy() 125: throws NotEmpty 126: { 127: classic.destroy(); 128: } 129: 130: /** {@inheritDoc} */ 131: public void list(int amount, BindingListHolder a_list, 132: BindingIteratorHolder an_iter 133: ) 134: { 135: classic.list(amount, a_list, an_iter); 136: } 137: 138: /** {@inheritDoc} */ 139: public NamingContext new_context() 140: { 141: return classic.new_context(); 142: } 143: 144: /** {@inheritDoc} */ 145: public void rebind(NameComponent[] a_name, Object an_object) 146: throws NotFound, CannotProceed, InvalidName 147: { 148: classic.rebind(a_name, an_object); 149: } 150: 151: /** {@inheritDoc} */ 152: public void rebind_context(NameComponent[] a_name, NamingContext context) 153: throws NotFound, CannotProceed, InvalidName 154: { 155: classic.rebind_context(a_name, context); 156: } 157: 158: /** {@inheritDoc} */ 159: public Object resolve(NameComponent[] a_name) 160: throws NotFound, CannotProceed, InvalidName 161: { 162: return classic.resolve(a_name); 163: } 164: 165: /** 166: * Resolves the name, represented in the form of the string. The name 167: * is first parsed into an array representation, then the call 168: * is forwarded to the {@link resolve(NameComponent[])}. 169: * 170: * @param a_name_string a name to resolve. 171: * 172: * @return the resolved object. 173: * 174: * @throws NotFound if the name cannot be resolved. 175: * @throws InvalidName if the name is invalid. 176: * @throws CannotProceed on unexpected circumstances. 177: */ 178: public Object resolve_str(String a_name_string) 179: throws NotFound, CannotProceed, InvalidName 180: { 181: return resolve(to_name(a_name_string)); 182: } 183: 184: /** 185: * Convert the name string representation into array representation. 186: * 187: * @param a_name_string a string to convert. 188: * @return a converted array of the name components 189: * 190: * @throws InvalidName on parsing error. 191: */ 192: public NameComponent[] to_name(String a_name_string) 193: throws InvalidName 194: { 195: return converter.toName(a_name_string); 196: } 197: 198: /** 199: * Convert a name component array representation into string representation. 200: * 201: * @param a_name a name to convert. 202: * 203: * @return a string form. 204: * 205: * @throws InvalidName if the passed name is invalid. 206: */ 207: public String to_string(NameComponent[] a_name) 208: throws InvalidName 209: { 210: return converter.toString(a_name); 211: } 212: 213: /** 214: * This method is not yet implemented. 215: * FIXME TODO implement it. 216: */ 217: public String to_url(String an_address, String a_name_string) 218: throws org.omg.CosNaming.NamingContextExtPackage.InvalidAddress, 219: InvalidName 220: { 221: throw new NO_IMPLEMENT("Method to_url() not yet implemented."); 222: } 223: 224: /** {@inheritDoc} */ 225: public void unbind(NameComponent[] a_name) 226: throws NotFound, CannotProceed, InvalidName 227: { 228: classic.unbind(a_name); 229: } 230: }