001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: * Free SoftwareFoundation, Inc.
023: * 59 Temple Place, Suite 330
024: * Boston, MA 02111-1307 USA
025: *
026: * @author Scott Ferguson
027: */
028:
029: package com.caucho.ejb.hessian;
030:
031: import com.caucho.ejb.RemoteExceptionWrapper;
032: import com.caucho.ejb.protocol.AbstractHomeHandle;
033: import com.caucho.ejb.protocol.ClientContainer;
034:
035: import javax.ejb.EJBHome;
036: import java.rmi.RemoteException;
037:
038: /**
039: * Implementation for a home handle.
040: */
041: public class HessianHomeHandle extends AbstractHomeHandle {
042: private transient ClientContainer client;
043: private transient EJBHome home;
044:
045: private String url;
046:
047: /**
048: * Null arg constructor for serialization.
049: */
050: public HessianHomeHandle() {
051: }
052:
053: /**
054: * Creates a new HomeHandle.
055: *
056: * @param url the url for the bean
057: */
058: public HessianHomeHandle(String url) {
059: this .url = url;
060: }
061:
062: /**
063: * Creates a new HomeHandle.
064: *
065: * @param url the url for the bean
066: */
067: public HessianHomeHandle(EJBHome home, String url) {
068: this .url = url;
069:
070: this .home = home;
071: }
072:
073: /**
074: * Returns the EJBHome object associated with the handle.
075: */
076: public EJBHome getEJBHome() throws RemoteException {
077: if (home == null) {
078: try {
079: home = HessianClientContainer.find(url).getHomeStub();
080: } catch (Exception e) {
081: throw RemoteExceptionWrapper.create(e);
082: }
083: }
084:
085: return home;
086: }
087:
088: /**
089: * Returns the handle's server id.
090: */
091: public String getServerId() {
092: return url;
093: }
094:
095: /**
096: * Returns the full URL
097: */
098: public String getURL(String protocol) {
099: return url;
100: }
101:
102: /**
103: * The printed representation of the handle is the url.
104: */
105: public String toString() {
106: return url;
107: }
108: }
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