001: /*
002: * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/naming/EjbRef.java,v 1.2 2001/03/22 17:20:04 craigmcc Exp $
003: * $Revision: 1.2 $
004: * $Date: 2001/03/22 17:20:04 $
005: *
006: * ====================================================================
007: *
008: * The Apache Software License, Version 1.1
009: *
010: * Copyright (c) 1999 The Apache Software Foundation. All rights
011: * reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions
015: * are met:
016: *
017: * 1. Redistributions of source code must retain the above copyright
018: * notice, this list of conditions and the following disclaimer.
019: *
020: * 2. Redistributions in binary form must reproduce the above copyright
021: * notice, this list of conditions and the following disclaimer in
022: * the documentation and/or other materials provided with the
023: * distribution.
024: *
025: * 3. The end-user documentation included with the redistribution, if
026: * any, must include the following acknowlegement:
027: * "This product includes software developed by the
028: * Apache Software Foundation (http://www.apache.org/)."
029: * Alternately, this acknowlegement may appear in the software itself,
030: * if and wherever such third-party acknowlegements normally appear.
031: *
032: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
033: * Foundation" must not be used to endorse or promote products derived
034: * from this software without prior written permission. For written
035: * permission, please contact apache@apache.org.
036: *
037: * 5. Products derived from this software may not be called "Apache"
038: * nor may "Apache" appear in their names without prior written
039: * permission of the Apache Group.
040: *
041: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
042: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
043: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
044: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
045: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
046: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
047: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
048: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
049: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
050: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
051: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
052: * SUCH DAMAGE.
053: * ====================================================================
054: *
055: * This software consists of voluntary contributions made by many
056: * individuals on behalf of the Apache Software Foundation. For more
057: * information on the Apache Software Foundation, please see
058: * <http://www.apache.org/>.
059: *
060: * [Additional notices, if required by prior licensing conditions]
061: *
062: */
063:
064: package org.apache.naming;
065:
066: import java.util.Hashtable;
067: import javax.naming.Reference;
068: import javax.naming.Context;
069: import javax.naming.StringRefAddr;
070:
071: /**
072: * Represents a reference address to an EJB.
073: *
074: * @author Remy Maucherat
075: * @version $Revision: 1.2 $ $Date: 2001/03/22 17:20:04 $
076: */
077:
078: public class EjbRef extends Reference {
079:
080: // -------------------------------------------------------------- Constants
081:
082: /**
083: * Default factory for this reference.
084: */
085: public static final String DEFAULT_FACTORY = org.apache.naming.factory.Constants.DEFAULT_EJB_FACTORY;
086:
087: /**
088: * EJB type address type.
089: */
090: public static final String TYPE = "type";
091:
092: /**
093: * Remote interface classname address type.
094: */
095: public static final String REMOTE = "remote";
096:
097: /**
098: * Link address type.
099: */
100: public static final String LINK = "link";
101:
102: // ----------------------------------------------------------- Constructors
103:
104: /**
105: * EJB Reference.
106: *
107: * @param ejbType EJB type
108: * @param home Home interface classname
109: * @param remote Remote interface classname
110: * @param link EJB link
111: */
112: public EjbRef(String ejbType, String home, String remote,
113: String link) {
114: this (ejbType, home, remote, link, null, null);
115: }
116:
117: /**
118: * EJB Reference.
119: *
120: * @param ejbType EJB type
121: * @param home Home interface classname
122: * @param remote Remote interface classname
123: * @param link EJB link
124: */
125: public EjbRef(String ejbType, String home, String remote,
126: String link, String factory, String factoryLocation) {
127: super (home, factory, factoryLocation);
128: StringRefAddr refAddr = null;
129: if (ejbType != null) {
130: refAddr = new StringRefAddr(TYPE, ejbType);
131: add(refAddr);
132: }
133: if (remote != null) {
134: refAddr = new StringRefAddr(REMOTE, remote);
135: add(refAddr);
136: }
137: if (link != null) {
138: refAddr = new StringRefAddr(LINK, link);
139: add(refAddr);
140: }
141: }
142:
143: // ----------------------------------------------------- Instance Variables
144:
145: // -------------------------------------------------------- RefAddr Methods
146:
147: // ------------------------------------------------------ Reference Methods
148:
149: /**
150: * Retrieves the class name of the factory of the object to which this
151: * reference refers.
152: */
153: public String getFactoryClassName() {
154: String factory = super .getFactoryClassName();
155: if (factory != null) {
156: return factory;
157: } else {
158: factory = System.getProperty(Context.OBJECT_FACTORIES);
159: if (factory != null) {
160: return null;
161: } else {
162: return DEFAULT_FACTORY;
163: }
164: }
165: }
166:
167: // ------------------------------------------------------------- Properties
168:
169: }
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