Source Code Cross Referenced for RegistryCacheImpl.java in  » ESB » open-esb » com » sun » jbi » binding » jms » deploy » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » ESB » open esb » com.sun.jbi.binding.jms.deploy 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * BEGIN_HEADER - DO NOT EDIT
003:         *
004:         * The contents of this file are subject to the terms
005:         * of the Common Development and Distribution License
006:         * (the "License").  You may not use this file except
007:         * in compliance with the License.
008:         *
009:         * You can obtain a copy of the license at
010:         * https://open-esb.dev.java.net/public/CDDLv1.0.html.
011:         * See the License for the specific language governing
012:         * permissions and limitations under the License.
013:         *
014:         * When distributing Covered Code, include this CDDL
015:         * HEADER in each file and include the License file at
016:         * https://open-esb.dev.java.net/public/CDDLv1.0.html.
017:         * If applicable add the following below this CDDL HEADER,
018:         * with the fields enclosed by brackets "[]" replaced with
019:         * your own identifying information: Portions Copyright
020:         * [year] [name of copyright owner]
021:         */
022:
023:        /*
024:         * @(#)RegistryCacheImpl.java
025:         * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved.
026:         *
027:         * END_HEADER - DO NOT EDIT
028:         */
029:        package com.sun.jbi.binding.jms.deploy;
030:
031:        import com.sun.jbi.StringTranslator;
032:
033:        import com.sun.jbi.binding.jms.EndpointBean;
034:        import com.sun.jbi.binding.jms.JMSBindingContext;
035:        import com.sun.jbi.binding.jms.JMSBindingResources;
036:
037:        import java.util.HashMap;
038:        import java.util.Iterator;
039:
040:        import java.util.Set;
041:
042:        import java.util.logging.Logger;
043:
044:        /**
045:         * This is a registry which maintains the servicename, endpoint name    across
046:         * the bean object.
047:         *
048:         * @author Sun Microsystems Inc.
049:         */
050:        public final class RegistryCacheImpl implements  RegistryImplementor,
051:                JMSBindingResources {
052:            /**
053:             * Singleton reference.
054:             */
055:            private static RegistryCacheImpl sMe;
056:
057:            /**
058:             * List of all registered channels.
059:             */
060:            private HashMap mDeployments;
061:
062:            /**
063:             * Logger object.
064:             */
065:            private Logger mLog;
066:
067:            /**
068:             * Helper for i18n.
069:             */
070:            private StringTranslator mTranslator;
071:
072:            /**
073:             * Private constructor.
074:             */
075:            public RegistryCacheImpl() {
076:                mDeployments = new HashMap();
077:                mLog = JMSBindingContext.getInstance().getLogger();
078:                mTranslator = JMSBindingContext.getInstance()
079:                        .getStringTranslator();
080:            }
081:
082:            /**
083:             * Returns the keys.
084:             *
085:             * @return Iterator to keys.
086:             */
087:            public Iterator getAllKeys() {
088:                return mDeployments.keySet().iterator();
089:            }
090:
091:            /**
092:             * Returns the values.
093:             *
094:             * @return Collection of values.
095:             */
096:            public java.util.Collection getAllValues() {
097:                return mDeployments.values();
098:            }
099:
100:            /**
101:             * Used to find a registered endpoint which matches the specified service.
102:             *
103:             * @param str the service to match against.
104:             *
105:             * @return the appropriate endpoint bean, or no such endpoint exists.
106:             */
107:            public Object getValue(String str) {
108:                EndpointBean eb = null;
109:
110:                try {
111:                    eb = (EndpointBean) mDeployments.get(str);
112:                } catch (Exception e) {
113:                    ;
114:                }
115:
116:                return eb;
117:            }
118:
119:            /**
120:             * Removes all the entries from the registry.
121:             */
122:            public void clearRegistry() {
123:                if (mDeployments == null) {
124:                    return;
125:                }
126:
127:                mDeployments = new HashMap();
128:            }
129:
130:            /**
131:             * Checks if the registry contains the given key.
132:             *
133:             * @param str key.
134:             *
135:             * @return true if it contains.
136:             */
137:            public boolean containsKey(String str) {
138:                Set keyset = mDeployments.keySet();
139:                Iterator iter = keyset.iterator();
140:
141:                while (iter.hasNext()) {
142:                    String ser = (String) iter.next();
143:                    EndpointBean eb = (EndpointBean) mDeployments.get(ser);
144:
145:                    if (eb.getUniqueName().trim().equals(str)) {
146:                        return true;
147:                    }
148:                }
149:
150:                return false;
151:            }
152:
153:            /**
154:             * Initialises the registry.
155:             *
156:             * @param properties properties.
157:             *
158:             * @throws javax.jbi.JBIException exception if registry cnnnot be cleared.
159:             */
160:            public void init(java.util.Properties properties)
161:                    throws javax.jbi.JBIException {
162:                clearRegistry();
163:            }
164:
165:            /**
166:             * Registers a key.
167:             *
168:             * @param str key.
169:             * @param obj value.
170:             *
171:             * @return registered key.
172:             */
173:            public synchronized String registerKey(String str, Object obj) {
174:                mLog.info(mTranslator.getString(JMS_REGISTER_ENDPOINT, str));
175:
176:                try {
177:                    mDeployments.put(str, obj);
178:                } catch (Exception e) {
179:                    ;
180:                }
181:
182:                return str;
183:            }
184:
185:            /**
186:             * Removes the key.
187:             *
188:             * @param str key.
189:             */
190:            public synchronized void removeKey(String str) {
191:                mLog.info(mTranslator.getString(JMS_DEREGISTER_ENDPOINT, str));
192:
193:                EndpointBean eb = null;
194:
195:                try {
196:                    eb = (EndpointBean) mDeployments.remove(str);
197:                } catch (Exception e) {
198:                    ;
199:                }
200:
201:                if (eb == null) {
202:                    mLog.severe(mTranslator.getString(
203:                            JMS_DEREGISTER_ENDPOINT_FAILED, str));
204:                }
205:            }
206:
207:            /**
208:             * Serializes the registry.
209:             *
210:             * @throws javax.jbi.JBIException jbi exception.
211:             */
212:            public void serialize() throws javax.jbi.JBIException {
213:            }
214:        }
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