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1   /**
2    * Copyright 2005-2011 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.rice.ksb.messaging.bam.service.impl;
17  
18  import java.lang.reflect.Method;
19  import java.sql.Timestamp;
20  import java.util.List;
21  
22  import javax.xml.namespace.QName;
23  
24  import org.apache.log4j.Logger;
25  import org.kuali.rice.core.api.config.property.Config;
26  import org.kuali.rice.core.api.config.property.ConfigContext;
27  import org.kuali.rice.core.api.reflect.ObjectDefinition;
28  import org.kuali.rice.ksb.api.bus.ServiceConfiguration;
29  import org.kuali.rice.ksb.api.bus.ServiceDefinition;
30  import org.kuali.rice.ksb.messaging.bam.BAMParam;
31  import org.kuali.rice.ksb.messaging.bam.BAMTargetEntry;
32  import org.kuali.rice.ksb.messaging.bam.dao.BAMDAO;
33  import org.kuali.rice.ksb.messaging.bam.service.BAMService;
34  
35  
36  public class BAMServiceImpl implements BAMService {
37  
38  	private static final Logger LOG = Logger.getLogger(BAMServiceImpl.class);
39  
40  	private BAMDAO dao;
41  
42  	public BAMTargetEntry recordClientInvocation(ServiceConfiguration serviceConfiguration, Object target, Method method, Object[] params) {
43  		if (isEnabled()) {
44  			try {
45  				LOG.debug("A call was received... for service: " + serviceConfiguration.getServiceName().toString() + " method: " + method.getName());
46  				BAMTargetEntry bamTargetEntry = getBAMTargetEntry(Boolean.FALSE, serviceConfiguration, target, method, params);
47  				this.dao.save(bamTargetEntry);
48  				return bamTargetEntry;
49  			} catch (Throwable t) {
50  				LOG.error("BAM Failed to record client invocation", t);
51  				return null;
52  			}
53  		}
54  		return null;
55  	}
56  
57  	public BAMTargetEntry recordServerInvocation(Object target, ServiceDefinition serviceDefinition, Method method, Object[] params) {
58  		if (isEnabled()) {
59  			try {
60  				LOG.debug("A call was received... for service: " + target.getClass().getName() + " method: " + method.getName());
61  				BAMTargetEntry bamTargetEntry = getBAMTargetEntry(Boolean.TRUE, serviceDefinition, target, method, params);
62  				this.dao.save(bamTargetEntry);
63  				return bamTargetEntry;
64  			} catch (Throwable t) {
65  				LOG.error("BAM Failed to record server invocation", t);
66  			}
67  		}
68  		return null;
69  	}
70  
71  	public BAMTargetEntry recordClientInvocationError(Throwable throwable, BAMTargetEntry bamTargetEntry) {
72  		if (bamTargetEntry != null) {
73  			try {
74  				setThrowableOnBAMTargetEntry(throwable, bamTargetEntry);
75  				this.dao.save(bamTargetEntry);
76  				return bamTargetEntry;
77  			} catch (Exception e) {
78  				LOG.error("BAM Failed to record client invocation error", e);
79  			}
80  		}
81  		return null;
82  	}
83  
84  	public BAMTargetEntry recordServerInvocationError(Throwable throwable, BAMTargetEntry bamTargetEntry) {
85  		if (bamTargetEntry != null) {
86  			try {
87  				setThrowableOnBAMTargetEntry(throwable, bamTargetEntry);
88  				this.dao.save(bamTargetEntry);
89  				return bamTargetEntry;
90  			} catch (Exception e) {
91  				LOG.error("BAM Failed to record service invocation error", e);
92  			}
93  		}
94  		return null;
95  	}
96  
97  	private void setThrowableOnBAMTargetEntry(Throwable throwable, BAMTargetEntry bamTargetEntry) {
98  		if (throwable != null) {
99  			bamTargetEntry.setExceptionMessage(throwable.getMessage());
100 			bamTargetEntry.setExceptionToString(makeStringfit(throwable.toString()));
101 		}
102 	}
103 
104 	private BAMTargetEntry getBAMTargetEntry(Boolean serverInd, ServiceConfiguration serviceConfiguration, Object target, Method method, Object[] params) {
105 		BAMTargetEntry bamEntry = new BAMTargetEntry();
106 		bamEntry.setServerInvocation(serverInd);
107 		bamEntry.setServiceName(serviceConfiguration.getServiceName().toString());
108 		bamEntry.setServiceURL(serviceConfiguration.getEndpointUrl().toExternalForm());
109 		bamEntry.setTargetToString(makeStringfit(target.toString()));
110 		bamEntry.setMethodName(method.getName());
111 		bamEntry.setThreadName(Thread.currentThread().getName());
112 		bamEntry.setCallDate(new Timestamp(System.currentTimeMillis()));
113 		setBamParams(params, bamEntry);
114 		return bamEntry;
115 	}
116 	
117 	private BAMTargetEntry getBAMTargetEntry(Boolean serverInd, ServiceDefinition serviceDefinition, Object target, Method method, Object[] params) {
118 		BAMTargetEntry bamEntry = new BAMTargetEntry();
119 		bamEntry.setServerInvocation(serverInd);
120 		bamEntry.setServiceName(serviceDefinition.getServiceName().toString());
121 		bamEntry.setServiceURL(serviceDefinition.getEndpointUrl().toExternalForm());
122 		bamEntry.setTargetToString(makeStringfit(target.toString()));
123 		bamEntry.setMethodName(method.getName());
124 		bamEntry.setThreadName(Thread.currentThread().getName());
125 		bamEntry.setCallDate(new Timestamp(System.currentTimeMillis()));
126 		setBamParams(params, bamEntry);
127 		return bamEntry;
128 	}
129 
130 	private void setBamParams(Object[] params, BAMTargetEntry bamEntry) {
131 		if (params == null) {
132 			return;
133 		}
134 		for (int i = 0; i < params.length; i++) {
135 			BAMParam bamParam = new BAMParam();
136 			bamParam.setBamTargetEntry(bamEntry);
137 			bamParam.setParam(params[i].toString());
138 			bamEntry.addBamParam(bamParam);
139 		}
140 	}
141 
142 	private String makeStringfit(String string) {
143 		if (string.length() > 1999) {
144 			return string.substring(0, 1999);
145 		}
146 		return string;
147 	}
148 
149 	public boolean isEnabled() {
150 		return Boolean.valueOf(ConfigContext.getCurrentContextConfig().getProperty(Config.BAM_ENABLED));
151 	}
152 
153 	public BAMDAO getDao() {
154 		return this.dao;
155 	}
156 
157 	public void setDao(BAMDAO dao) {
158 		this.dao = dao;
159 	}
160 
161 	public List<BAMTargetEntry> getCallsForService(QName serviceName) {
162 		return getDao().getCallsForService(serviceName);
163 	}
164 
165 	public List<BAMTargetEntry> getCallsForRemotedClasses(ObjectDefinition objDef) {
166 		return getDao().getCallsForRemotedClasses(objDef);
167 	}
168 
169 	public void clearBAMTables() {
170 		getDao().clearBAMTables();
171 	}
172 
173 	public List<BAMTargetEntry> getCallsForService(QName serviceName, String methodName) {
174 		return getDao().getCallsForService(serviceName, methodName);
175 	}
176 
177 	public List<BAMTargetEntry> getCallsForRemotedClasses(ObjectDefinition objDef, String methodName) {
178 		return getDao().getCallsForRemotedClasses(objDef, methodName);
179 	}
180 }