001: /**
002: * JOnAS: Java(TM) Open Application Server
003: * Copyright (C) 2005 Red Hat
004: * Contact: jonas-team@objectweb.org
005: *
006: * This library is free software; you can redistribute it and/or
007: * modify it under the terms of the GNU Lesser General Public
008: * License as published by the Free Software Foundation; either
009: * version 2.1 of the License, or any later version.
010: *
011: * This library is distributed in the hope that it will be useful,
012: * but WITHOUT ANY WARRANTY; without even the implied warranty of
013: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014: * Lesser General Public License for more details.
015: *
016: * You should have received a copy of the GNU Lesser General Public
017: * License along with this library; if not, write to the Free Software
018: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
019: * USA
020: *
021: * --------------------------------------------------------------------------
022: * $Id: Protocols.java 7382 2005-09-15 03:16:23Z ashah $
023: * --------------------------------------------------------------------------
024: */package org.objectweb.jonas.container;
025:
026: import java.util.Iterator;
027: import java.util.SortedSet;
028: import java.util.StringTokenizer;
029: import java.util.TreeSet;
030:
031: /**
032: * Class used to manage protocol names
033: */
034:
035: public class Protocols {
036:
037: /**
038: * JRMP protocol
039: */
040: public static final String RMI_JRMP = "jrmp";
041:
042: /**
043: * JRMP protocol
044: */
045: public static final String RMI_IRMI = "irmi";
046:
047: /**
048: * IIOP protocol
049: */
050: public static final String RMI_IIOP = "iiop";
051:
052: /**
053: * JEREMIE protocol
054: */
055: public static final String JEREMIE = "jeremie";
056:
057: /**
058: * CMI protocol
059: */
060: public static final String CMI_RMI = "cmi";
061:
062: /**
063: * List of protocols
064: */
065: private SortedSet protocolNames = new TreeSet();
066:
067: /**
068: * Build a new object to check protocols
069: * @param pns names of protocols
070: */
071: public Protocols(String pns) {
072: this (pns, false);
073: }
074:
075: public Protocols(String pns, boolean configure) {
076: if (pns != null && pns.length() > 0) {
077: StringTokenizer st = new StringTokenizer(pns, ",", false);
078: while (st.hasMoreTokens()) {
079: protocolNames.add(st.nextToken().trim());
080: }
081: }
082:
083: if (configure) {
084: if (protocolNames.size() == 0) {
085: protocolNames.add(RMI_JRMP);
086: protocolNames.add(JEREMIE);
087: }
088:
089: if (protocolNames.contains(CMI_RMI)
090: || protocolNames.contains(RMI_IRMI)) {
091: protocolNames.add(RMI_JRMP);
092: }
093:
094: if (protocolNames.contains(RMI_JRMP)) {
095: protocolNames.add(RMI_IRMI);
096: }
097: }
098: }
099:
100: /**
101: * Return true if the given protocol is supported
102: * @param pn protocol name
103: * @return true if the given protocol is supported
104: */
105: public boolean isSupported(String pn) {
106: return protocolNames.contains(pn)
107: || (pn.equals(RMI_IRMI) && protocolNames
108: .contains(RMI_JRMP))
109: || (pn.equals(RMI_JRMP) && protocolNames
110: .contains(RMI_IRMI));
111: }
112:
113: /**
114: * Return true if the given protocol is supported
115: * @param pns protocol names
116: * @return true if the given protocol is supported
117: */
118: public boolean isSupported(Protocols pns) {
119: for (Iterator it = pns.iterator(); it.hasNext();) {
120: if (isSupported((String) it.next())) {
121: return true;
122: }
123: }
124:
125: return false;
126: }
127:
128: public Iterator iterator() {
129: return protocolNames.iterator();
130: }
131:
132: /**
133: * Return comma-separated list of protocol names
134: */
135: public String list() {
136: StringBuffer buf = new StringBuffer();
137: for (Iterator it = iterator(); it.hasNext();) {
138: buf.append(it.next());
139: if (it.hasNext()) {
140: buf.append(",");
141: }
142: }
143:
144: return buf.toString();
145: }
146:
147: public String toString() {
148: return list();
149: }
150: }
|