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| 30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| ServiceLoader.java | 68.2% | 77.3% | 88.9% | 76.3% |
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| 1 |
/**
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| 2 |
* @(#)ServiceLoader.java
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| 3 |
*
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|
| 4 |
* JFoxSOAF, Service-Oriented Application Framework
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| 5 |
*
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|
| 6 |
* Copyright(c) JFoxSOAF Team
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| 7 |
*
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| 8 |
* Licensed under the GNU LGPL, Version 2.1 (the "License");
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| 9 |
* you may not use this file except in compliance with the License.
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| 10 |
* You may obtain a copy of the License at
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| 11 |
*
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| 12 |
* http://www.gnu.org/copyleft/lesser.html
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| 13 |
*
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| 14 |
* Unless required by applicable law or agreed to in writing, software
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| 15 |
* distributed under the License is distributed on an "AS IS" BASIS,
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| 16 |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 17 |
* See the License for the specific language governing permissions and
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| 18 |
* limitations under the License.
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| 19 |
*
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| 20 |
* For more information, please visit:
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| 21 |
* http://www.jfox.cn/confluence/display/JFoxSOAF/Home
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| 22 |
* http://www.huihoo.org/jfox/jfoxsoaf
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| 23 |
*/
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| 24 |
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| 25 |
package org.huihoo.jfox.soaf.container;
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| 26 |
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| 27 |
import java.io.IOException;
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| 28 |
import java.io.InputStream;
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| 29 |
import java.io.InputStreamReader;
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| 30 |
import java.util.ArrayList;
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| 31 |
import java.util.Collection;
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| 32 |
import java.util.Iterator;
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| 33 |
import java.util.LinkedList;
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| 34 |
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| 35 |
import org.apache.commons.logging.Log;
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| 36 |
import org.apache.commons.logging.LogFactory;
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| 37 |
import org.exolab.castor.xml.MarshalException;
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| 38 |
import org.exolab.castor.xml.ValidationException;
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| 39 |
import org.huihoo.jfox.soaf.exception.ServiceConfigurationException;
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| 40 |
import org.huihoo.jfox.soaf.schema.config.Configuration;
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| 41 |
import org.huihoo.jfox.soaf.schema.config.ConfigurationEntry;
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| 42 |
import org.huihoo.jfox.soaf.schema.config.Interceptor;
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| 43 |
import org.huihoo.jfox.soaf.schema.service.Service;
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| 44 |
import org.huihoo.jfox.soaf.schema.service.ServiceEntry;
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| 45 |
import org.huihoo.jfox.soaf.util.resource.ResourceHelper;
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| 46 |
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| 47 |
/**
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| 48 |
* <p>
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| 49 |
* Service Configration load proxy.
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| 50 |
* </p>
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| 51 |
*
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| 52 |
* @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
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| 53 |
* @version $Revision: 1.3 $ $Date: 2005/05/22 06:46:48 $
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| 54 |
* @version Revision: 1.0
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| 55 |
*/
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| 56 |
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| 57 |
public class ServiceLoader { |
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| 58 |
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| 59 |
private ServiceContainer serviceContainer = ServiceContainer.getInstance();
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| 60 |
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| 61 |
private static ServiceLoader serviceLoader; |
|
| 62 |
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| 63 |
private boolean serviceLoaded = false; |
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| 64 |
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| 65 |
private Collection serviceSchemaColl = new LinkedList(); |
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| 66 |
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| 67 |
private Collection interceptorColl = new ArrayList(); |
|
| 68 |
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| 69 |
private Collection serviceEntryColl = new ArrayList(); |
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| 70 |
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| 71 |
private InterceptorManager interceptorManager = new InterceptorManagerImpl(); |
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| 72 |
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| 73 |
private final Log logger = LogFactory.getLog(getClass());
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| 74 |
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| 75 |
/**
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| 76 |
* Singleton instance
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| 77 |
*
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|
| 78 |
* @return
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|
| 79 |
*/
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|
| 80 | 8 |
public static ServiceLoader getInstance() { |
| 81 | 8 |
if (serviceLoader == null) { |
| 82 | 4 |
serviceLoader = new ServiceLoader();
|
| 83 |
} |
|
| 84 | 8 |
return serviceLoader;
|
| 85 |
} |
|
| 86 |
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| 87 |
/**
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|
| 88 |
* Init services.
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|
| 89 |
*
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|
| 90 |
* @param configFile
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| 91 |
* @throws ServiceConfigurationException
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|
| 92 |
*/
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|
| 93 | 4 |
public synchronized void initService(String configFile) |
| 94 |
throws ServiceConfigurationException {
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|
| 95 | 4 |
if (!isServiceLoaded()) {
|
| 96 | 4 |
try {
|
| 97 | 4 |
InputStream is = ResourceHelper.getResourceAsStream(configFile); |
| 98 | 4 |
loadConfig(loadServiceConfigration(is)); |
| 99 |
} catch (Throwable e) {
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|
| 100 | 0 |
throw new ServiceConfigurationException( |
| 101 |
"Failed to init serivce config file jfoxsoaf-config.xml "
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|
| 102 |
+ e, e); |
|
| 103 |
} |
|
| 104 | 4 |
serviceContainer.start(); |
| 105 | 4 |
serviceLoaded = true;
|
| 106 |
} |
|
| 107 |
} |
|
| 108 |
|
|
| 109 |
/**
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|
| 110 |
* Init services from input stream.
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|
| 111 |
*
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|
| 112 |
* @param is
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|
| 113 |
* @throws ServiceConfigurationException
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|
| 114 |
*/
|
|
| 115 | 0 |
public synchronized void initService(InputStream is) |
| 116 |
throws ServiceConfigurationException {
|
|
| 117 | 0 |
if (!isServiceLoaded()) {
|
| 118 | 0 |
try {
|
| 119 | 0 |
loadConfig(loadServiceConfigration(is)); |
| 120 |
} catch (Throwable e) {
|
|
| 121 | 0 |
e.printStackTrace(); |
| 122 | 0 |
throw new ServiceConfigurationException( |
| 123 |
"Failed to init serivce config file jfoxsoaf-config.xml "
|
|
| 124 |
+ e, e); |
|
| 125 |
|
|
| 126 |
} |
|
| 127 | 0 |
serviceContainer.start(); |
| 128 | 0 |
serviceLoaded = true;
|
| 129 |
} |
|
| 130 |
} |
|
| 131 |
|
|
| 132 |
/**
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|
| 133 |
* Load service configration file.
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|
| 134 |
*
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|
| 135 |
* @return Service
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|
| 136 |
* @throws Throwable
|
|
| 137 |
*/
|
|
| 138 | 4 |
private Configuration loadServiceConfigration(InputStream is)
|
| 139 |
throws ServiceConfigurationException {
|
|
| 140 | 4 |
InputStreamReader isr = null;
|
| 141 | 4 |
Configuration config = null;
|
| 142 | 4 |
try {
|
| 143 | 4 |
isr = new InputStreamReader(is);
|
| 144 | 4 |
config = Configuration.unmarshal(isr); |
| 145 |
} catch (MarshalException e) {
|
|
| 146 | 0 |
throw new ServiceConfigurationException( |
| 147 |
"Failed to marshal service configuration " + e, e);
|
|
| 148 |
} catch (ValidationException e) {
|
|
| 149 | 0 |
throw new ServiceConfigurationException( |
| 150 |
"Failed to validate service configuration " + e, e);
|
|
| 151 |
} finally {
|
|
| 152 | 4 |
if (is != null) { |
| 153 | 4 |
try {
|
| 154 | 4 |
is.close(); |
| 155 |
} catch (IOException e) {
|
|
| 156 | 0 |
e.printStackTrace(); |
| 157 |
} |
|
| 158 |
} |
|
| 159 |
|
|
| 160 | 4 |
if (isr != null) { |
| 161 | 4 |
try {
|
| 162 | 4 |
isr.close(); |
| 163 |
} catch (IOException e) {
|
|
| 164 | 0 |
e.printStackTrace(); |
| 165 |
} |
|
| 166 |
} |
|
| 167 |
} |
|
| 168 | 4 |
return config;
|
| 169 |
} |
|
| 170 |
|
|
| 171 |
/**
|
|
| 172 |
* Load all configuration service.
|
|
| 173 |
*
|
|
| 174 |
* @param service
|
|
| 175 |
*/
|
|
| 176 | 4 |
public void loadConfig(Configuration config) throws Throwable { |
| 177 | 4 |
processConfig(config); |
| 178 | 4 |
loadService(serviceSchemaColl); |
| 179 | 4 |
interceptorManager |
| 180 |
.processInterceptor(interceptorColl, serviceEntryColl); |
|
| 181 |
} |
|
| 182 |
|
|
| 183 |
/**
|
|
| 184 |
* Load service schema.
|
|
| 185 |
*
|
|
| 186 |
* @param serviceSchemaColl
|
|
| 187 |
* @throws ServiceConfigurationException
|
|
| 188 |
*/
|
|
| 189 | 4 |
private void loadService(Collection serviceSchemaColl) |
| 190 |
throws ServiceConfigurationException {
|
|
| 191 | 4 |
InputStream is = null;
|
| 192 | 4 |
InputStreamReader isr = null;
|
| 193 | 4 |
Iterator iter = serviceSchemaColl.iterator(); |
| 194 | 4 |
Service service; |
| 195 | 4 |
try {
|
| 196 | 4 |
while (iter.hasNext()) {
|
| 197 | 16 |
is = ResourceHelper.getResourceAsStream((String) iter.next()); |
| 198 | 16 |
isr = new InputStreamReader(is);
|
| 199 | 16 |
service = Service.unmarshal(isr); |
| 200 | 16 |
processService(service); |
| 201 |
} |
|
| 202 |
} catch (Exception e) {
|
|
| 203 | 0 |
throw new ServiceConfigurationException("Failed to load service " |
| 204 |
+ e, e); |
|
| 205 |
} finally {
|
|
| 206 | 4 |
if (is != null) { |
| 207 | 4 |
try {
|
| 208 | 4 |
is.close(); |
| 209 |
} catch (IOException e1) {
|
|
| 210 | 0 |
e1.printStackTrace(); |
| 211 |
} |
|
| 212 |
|
|
| 213 |
} |
|
| 214 |
|
|
| 215 | 4 |
if (isr != null) { |
| 216 | 4 |
try {
|
| 217 | 4 |
isr.close(); |
| 218 |
} catch (IOException e1) {
|
|
| 219 | 0 |
e1.printStackTrace(); |
| 220 |
} |
|
| 221 |
} |
|
| 222 |
} |
|
| 223 |
} |
|
| 224 |
|
|
| 225 |
/**
|
|
| 226 |
* Add service to service entry collection.
|
|
| 227 |
*
|
|
| 228 |
* @param service
|
|
| 229 |
*/
|
|
| 230 | 16 |
private void processService(Service service) { |
| 231 | 16 |
ServiceEntry[] serviceEntry = service.getServiceEntry(); |
| 232 | 16 |
for (int i = 0; i < serviceEntry.length; i++) { |
| 233 | 28 |
serviceEntryColl.add(serviceEntry[i]); |
| 234 |
} |
|
| 235 |
} |
|
| 236 |
|
|
| 237 |
/**
|
|
| 238 |
* Is service loaded?
|
|
| 239 |
*
|
|
| 240 |
* @return boolean
|
|
| 241 |
*/
|
|
| 242 | 12 |
public boolean isServiceLoaded() { |
| 243 | 12 |
return this.serviceLoaded; |
| 244 |
} |
|
| 245 |
|
|
| 246 |
/**
|
|
| 247 |
* Add service schema and interceptor to collection.
|
|
| 248 |
*
|
|
| 249 |
* @param config
|
|
| 250 |
*/
|
|
| 251 | 4 |
private void processConfig(Configuration config) { |
| 252 | 4 |
ConfigurationEntry[] configEntry = config.getServiceConfiguration() |
| 253 |
.getConfigurationEntry(); |
|
| 254 | 4 |
Interceptor[] interceptor = config.getSystemInterceptor() |
| 255 |
.getInterceptor(); |
|
| 256 | 4 |
for (int i = 0; i < configEntry.length; i++) { |
| 257 | 16 |
logger.info("Load service schema : " + configEntry[i].getValue());
|
| 258 | 16 |
serviceSchemaColl.add(configEntry[i].getValue()); |
| 259 |
} |
|
| 260 |
|
|
| 261 | 4 |
for (int i = 0; i < interceptor.length; i++) { |
| 262 | 8 |
interceptorColl.add(interceptor[i].getValue()); |
| 263 |
} |
|
| 264 |
} |
|
| 265 |
} |
|
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