001 /*
002 * Copyright 2005-2008 The Kuali Foundation
003 *
004 *
005 * Licensed under the Educational Community License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 * http://www.opensource.org/licenses/ecl2.php
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.kuali.rice.ksb.messaging;
018
019 import java.util.ArrayList;
020 import java.util.List;
021
022 import org.apache.commons.lang.StringUtils;
023 import org.kuali.rice.core.config.ConfigContext;
024 import org.springframework.beans.factory.BeanInitializationException;
025
026 /**
027 * A KSBExporter which only exports the service if the specified property is set
028 * to true.
029 *
030 * @author Kuali Rice Team (kuali-rice@googlegroups.com)
031 */
032 public class PropertyConditionalKSBExporter extends KSBExporter {
033
034 private List<String> exportIf = new ArrayList<String>();
035 private List<String> exportUnless = new ArrayList<String>();
036 private boolean exportIfPropertyNotSet = true;
037
038 public void afterPropertiesSet() throws Exception {
039 if (shouldRemoteThisService()) {
040 super.afterPropertiesSet();
041 }
042 }
043
044 protected boolean shouldRemoteThisService() throws Exception {
045 if (exportIf.isEmpty() && exportUnless.isEmpty()) {
046 return true;
047 }
048 boolean remoteThisService = false;
049 String serviceValue = null;
050 // Check the value in the clients config file for services in the list
051 // of property named 'exportIf' loaded by Spring.
052 // if any are ="true" then set boolean to true and exit loop, so far the
053 // service will be published.
054 for (String expIf : exportIf) {
055 serviceValue = ConfigContext.getCurrentContextConfig().getProperty(expIf);
056 // if any are true, set boolean and exit loop.
057 if (!StringUtils.isBlank(serviceValue)) {
058 remoteThisService = new Boolean(serviceValue);
059 if (remoteThisService) {
060 break;
061 }
062 } else if (exportIfPropertyNotSet) {
063 remoteThisService = true;
064 break;
065 }
066 }
067 // Check a second list, if any are ="true" DON"T publish the service.
068 for (String expUnless : exportUnless) {
069 serviceValue = ConfigContext.getCurrentContextConfig()
070 .getProperty(expUnless);
071 // if any are true, set boolean and exit loop.
072 if (!StringUtils.isBlank(serviceValue)) {
073 remoteThisService = new Boolean(serviceValue);
074 if (remoteThisService) {
075 remoteThisService = new Boolean("false");
076 break;
077 }
078 }
079 }
080 return remoteThisService;
081 }
082
083 public List getExportIf() {
084 return this.exportIf;
085 }
086
087 public void setExportIf(List exportIf) throws BeanInitializationException {
088 this.exportIf = exportIf;
089 }
090
091 public List getExportUnless() {
092 return this.exportUnless;
093 }
094
095 public void setExportUnless(List exportUnless)
096 throws BeanInitializationException {
097 this.exportUnless = exportUnless;
098 }
099
100 public boolean isExportIfPropertyNotSet() {
101 return this.exportIfPropertyNotSet;
102 }
103
104 public void setExportIfPropertyNotSet(boolean exportIfPropertyNotSet) {
105 this.exportIfPropertyNotSet = exportIfPropertyNotSet;
106 }
107
108 }