001 /** 002 * Copyright 2005-2011 The Kuali Foundation 003 * 004 * Licensed under the Educational Community License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.opensource.org/licenses/ecl2.php 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 package org.kuali.rice.ksb.api.registry; 017 018 import org.apache.commons.lang.StringUtils; 019 import org.kuali.rice.core.api.CoreConstants; 020 import org.kuali.rice.core.api.mo.AbstractDataTransferObject; 021 import org.kuali.rice.core.api.mo.ModelBuilder; 022 import org.kuali.rice.core.api.util.jaxb.QNameAsStringAdapter; 023 import org.w3c.dom.Element; 024 025 import javax.xml.bind.annotation.XmlAccessType; 026 import javax.xml.bind.annotation.XmlAccessorType; 027 import javax.xml.bind.annotation.XmlAnyElement; 028 import javax.xml.bind.annotation.XmlElement; 029 import javax.xml.bind.annotation.XmlRootElement; 030 import javax.xml.bind.annotation.XmlType; 031 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter; 032 import javax.xml.namespace.QName; 033 import java.io.Serializable; 034 import java.util.Collection; 035 036 /** 037 * Immutable implementation of the {@link ServiceInfoContract} interface. 038 * Includes standard configuration information about a service that has been 039 * published to the service registry. 040 * 041 * @author Kuali Rice Team (rice.collab@kuali.org) 042 * 043 */ 044 @XmlRootElement(name = ServiceInfo.Constants.ROOT_ELEMENT_NAME) 045 @XmlAccessorType(XmlAccessType.NONE) 046 @XmlType(name = ServiceInfo.Constants.TYPE_NAME, propOrder = { 047 ServiceInfo.Elements.SERVICE_ID, 048 ServiceInfo.Elements.SERVICE_NAME, 049 ServiceInfo.Elements.ENDPOINT_URL, 050 ServiceInfo.Elements.INSTANCE_ID, 051 ServiceInfo.Elements.APPLICATION_ID, 052 ServiceInfo.Elements.SERVER_IP_ADDRESS, 053 ServiceInfo.Elements.TYPE, 054 ServiceInfo.Elements.SERVICE_VERSION, 055 ServiceInfo.Elements.STATUS, 056 ServiceInfo.Elements.SERVICE_DESCRIPTOR_ID, 057 ServiceInfo.Elements.CHECKSUM, 058 CoreConstants.CommonElements.VERSION_NUMBER, 059 CoreConstants.CommonElements.FUTURE_ELEMENTS 060 }) 061 public final class ServiceInfo extends AbstractDataTransferObject implements ServiceInfoContract { 062 063 private static final long serialVersionUID = 4793306414624564991L; 064 065 @XmlElement(name = Elements.SERVICE_ID, required = false) 066 private final String serviceId; 067 068 @XmlJavaTypeAdapter(QNameAsStringAdapter.class) 069 @XmlElement(name = Elements.SERVICE_NAME, required = true) 070 private final QName serviceName; 071 072 @XmlElement(name = Elements.ENDPOINT_URL, required = true) 073 private final String endpointUrl; 074 075 @XmlElement(name = Elements.INSTANCE_ID, required = true) 076 private final String instanceId; 077 078 @XmlElement(name = Elements.APPLICATION_ID, required = true) 079 private final String applicationId; 080 081 @XmlElement(name = Elements.SERVER_IP_ADDRESS, required = true) 082 private final String serverIpAddress; 083 084 @XmlElement(name = Elements.TYPE, required = true) 085 private final String type; 086 087 @XmlElement(name = Elements.SERVICE_VERSION, required = true) 088 private final String serviceVersion; 089 090 @XmlJavaTypeAdapter(ServiceEndpointStatus.Adapter.class) 091 @XmlElement(name = Elements.STATUS, required = true) 092 private final String status; 093 094 @XmlElement(name = Elements.SERVICE_DESCRIPTOR_ID, required = false) 095 private final String serviceDescriptorId; 096 097 @XmlElement(name = Elements.CHECKSUM, required = true) 098 private final String checksum; 099 100 @XmlElement(name = CoreConstants.CommonElements.VERSION_NUMBER, required = false) 101 private final Long versionNumber; 102 103 @SuppressWarnings("unused") 104 @XmlAnyElement 105 private final Collection<Element> _futureElements = null; 106 107 /** 108 * Private constructor used only by JAXB. 109 * 110 */ 111 private ServiceInfo() { 112 this.serviceId = null; 113 this.serviceName = null; 114 this.endpointUrl = null; 115 this.instanceId = null; 116 this.applicationId = null; 117 this.serverIpAddress = null; 118 this.type = null; 119 this.serviceVersion = null; 120 this.status = null; 121 this.serviceDescriptorId = null; 122 this.checksum = null; 123 this.versionNumber = null; 124 } 125 126 private ServiceInfo(Builder builder) { 127 this.serviceId = builder.getServiceId(); 128 this.serviceName = builder.getServiceName(); 129 this.endpointUrl = builder.getEndpointUrl(); 130 this.instanceId = builder.getInstanceId(); 131 this.applicationId = builder.getApplicationId(); 132 this.serverIpAddress = builder.getServerIpAddress(); 133 this.type = builder.getType(); 134 this.serviceVersion = builder.getServiceVersion(); 135 ServiceEndpointStatus builderStatus = builder.getStatus(); 136 this.status = builderStatus == null ? null : builderStatus.getCode(); 137 this.serviceDescriptorId = builder.getServiceDescriptorId(); 138 this.checksum = builder.getChecksum(); 139 this.versionNumber = builder.getVersionNumber(); 140 } 141 142 @Override 143 public String getServiceId() { 144 return this.serviceId; 145 } 146 147 @Override 148 public QName getServiceName() { 149 return this.serviceName; 150 } 151 152 @Override 153 public String getEndpointUrl() { 154 return this.endpointUrl; 155 } 156 157 @Override 158 public String getInstanceId() { 159 return this.instanceId; 160 } 161 162 @Override 163 public String getApplicationId() { 164 return this.applicationId; 165 } 166 167 @Override 168 public String getServerIpAddress() { 169 return this.serverIpAddress; 170 } 171 172 @Override 173 public String getType() { 174 return this.type; 175 } 176 177 @Override 178 public String getServiceVersion() { 179 return this.serviceVersion; 180 } 181 182 @Override 183 public ServiceEndpointStatus getStatus() { 184 return ServiceEndpointStatus.fromCode(this.status); 185 } 186 187 @Override 188 public String getServiceDescriptorId() { 189 return this.serviceDescriptorId; 190 } 191 192 @Override 193 public String getChecksum() { 194 return this.checksum; 195 } 196 197 @Override 198 public Long getVersionNumber() { 199 return this.versionNumber; 200 } 201 202 /** 203 * A builder which can be used to construct {@link ServiceInfo} instances. 204 * Enforces the constraints of the {@link ServiceInfoContract}. 205 */ 206 public final static class Builder 207 implements Serializable, ModelBuilder, ServiceInfoContract 208 { 209 210 private static final long serialVersionUID = 4424090938369742940L; 211 212 private String serviceId; 213 private QName serviceName; 214 private String endpointUrl; 215 private String instanceId; 216 private String applicationId; 217 private String serverIpAddress; 218 private String type; 219 private String serviceVersion; 220 private ServiceEndpointStatus status; 221 private String serviceDescriptorId; 222 private String checksum; 223 private Long versionNumber; 224 225 private Builder() {} 226 227 public static Builder create() { 228 return new Builder(); 229 } 230 231 public static Builder create(ServiceInfoContract contract) { 232 if (contract == null) { 233 throw new IllegalArgumentException("contract was null"); 234 } 235 Builder builder = create(); 236 builder.setServiceId(contract.getServiceId()); 237 builder.setServiceName(contract.getServiceName()); 238 builder.setEndpointUrl(contract.getEndpointUrl()); 239 builder.setInstanceId(contract.getInstanceId()); 240 builder.setApplicationId(contract.getApplicationId()); 241 builder.setServerIpAddress(contract.getServerIpAddress()); 242 builder.setType(contract.getType()); 243 builder.setServiceVersion(contract.getServiceVersion()); 244 builder.setStatus(contract.getStatus()); 245 builder.setServiceDescriptorId(contract.getServiceDescriptorId()); 246 builder.setChecksum(contract.getChecksum()); 247 builder.setVersionNumber(contract.getVersionNumber()); 248 return builder; 249 } 250 251 public ServiceInfo build() { 252 validateAll(); 253 return new ServiceInfo(this); 254 } 255 256 @Override 257 public String getServiceId() { 258 return this.serviceId; 259 } 260 261 @Override 262 public QName getServiceName() { 263 return this.serviceName; 264 } 265 266 @Override 267 public String getEndpointUrl() { 268 return this.endpointUrl; 269 } 270 271 @Override 272 public String getInstanceId() { 273 return this.instanceId; 274 } 275 276 @Override 277 public String getApplicationId() { 278 return this.applicationId; 279 } 280 281 @Override 282 public String getServerIpAddress() { 283 return this.serverIpAddress; 284 } 285 286 @Override 287 public String getType() { 288 return this.type; 289 } 290 291 @Override 292 public String getServiceVersion() { 293 return this.serviceVersion; 294 } 295 296 @Override 297 public ServiceEndpointStatus getStatus() { 298 return this.status; 299 } 300 301 @Override 302 public String getServiceDescriptorId() { 303 return this.serviceDescriptorId; 304 } 305 306 @Override 307 public String getChecksum() { 308 return this.checksum; 309 } 310 311 @Override 312 public Long getVersionNumber() { 313 return this.versionNumber; 314 } 315 316 public void setServiceId(String serviceId) { 317 this.serviceId = serviceId; 318 } 319 320 public void setServiceName(QName serviceName) { 321 validateServiceName(serviceName); 322 this.serviceName = serviceName; 323 } 324 325 public void setEndpointUrl(String endpointUrl) { 326 validateEndpointUrl(endpointUrl); 327 this.endpointUrl = endpointUrl; 328 } 329 330 public void setInstanceId(String instanceId) { 331 validateInstanceId(instanceId); 332 this.instanceId = instanceId; 333 } 334 335 public void setApplicationId(String applicationId) { 336 validateApplicationId(applicationId); 337 this.applicationId = applicationId; 338 } 339 340 public void setServerIpAddress(String serverIpAddress) { 341 validateServerIpAddress(serverIpAddress); 342 this.serverIpAddress = serverIpAddress; 343 } 344 345 public void setType(String type) { 346 validateType(type); 347 this.type = type; 348 } 349 350 public void setServiceVersion(String serviceVersion) { 351 validateServiceVersion(serviceVersion); 352 this.serviceVersion = serviceVersion; 353 } 354 355 public void setStatus(ServiceEndpointStatus status) { 356 validateStatus(status); 357 this.status = status; 358 } 359 360 public void setServiceDescriptorId(String serviceDescriptorId) { 361 this.serviceDescriptorId = serviceDescriptorId; 362 } 363 364 public void setChecksum(String checksum) { 365 validateChecksum(checksum); 366 this.checksum = checksum; 367 } 368 369 public void setVersionNumber(Long versionNumber) { 370 this.versionNumber = versionNumber; 371 } 372 373 private void assertNotNull(String name, Object object) { 374 if (object == null) { 375 throw new IllegalArgumentException(name + " was null"); 376 } 377 } 378 379 private void assertNotBlank(String name, String value) { 380 assertNotNull(name, value); 381 if (StringUtils.isBlank(value)) { 382 throw new IllegalArgumentException(name + " was blank"); 383 } 384 } 385 386 private void validateServiceName(QName serviceName) { 387 assertNotNull("serviceName", serviceName); 388 } 389 390 private void validateEndpointUrl(String endpointUrl) { 391 assertNotBlank("endpointUrl", endpointUrl); 392 } 393 394 private void validateInstanceId(String instanceId) { 395 assertNotBlank("instanceId", instanceId); 396 } 397 398 private void validateApplicationId(String applicationId) { 399 assertNotBlank("applicationId", applicationId); 400 } 401 402 private void validateServerIpAddress(String serverIpAddress) { 403 assertNotBlank("serverIpAddress", serverIpAddress); 404 } 405 406 private void validateType(String type) { 407 assertNotBlank("type", type); 408 } 409 410 private void validateServiceVersion(String serviceVersion) { 411 assertNotBlank("serviceVersion", serviceVersion); 412 } 413 414 private void validateStatus(ServiceEndpointStatus status) { 415 assertNotNull("status", status); 416 } 417 418 private void validateChecksum(String checksum) { 419 assertNotBlank("checksum", checksum); 420 } 421 422 private void validateAll() { 423 validateServiceName(serviceName); 424 validateEndpointUrl(endpointUrl); 425 validateInstanceId(instanceId); 426 validateApplicationId(applicationId); 427 validateServerIpAddress(serverIpAddress); 428 validateType(type); 429 validateServiceVersion(serviceVersion); 430 validateStatus(status); 431 validateChecksum(checksum); 432 } 433 434 } 435 436 437 /** 438 * Defines some internal constants used on this class. 439 * 440 */ 441 static class Constants { 442 443 final static String ROOT_ELEMENT_NAME = "serviceInfo"; 444 final static String TYPE_NAME = "ServiceInfoType"; 445 } 446 447 448 /** 449 * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML. 450 * 451 */ 452 static class Elements { 453 454 final static String SERVICE_ID = "serviceId"; 455 final static String SERVICE_NAME = "serviceName"; 456 final static String ENDPOINT_URL = "endpointUrl"; 457 final static String INSTANCE_ID = "instanceId"; 458 final static String APPLICATION_ID = "applicationId"; 459 final static String SERVER_IP_ADDRESS = "serverIpAddress"; 460 final static String TYPE = "type"; 461 final static String SERVICE_VERSION = "serviceVersion"; 462 final static String STATUS = "status"; 463 final static String SERVICE_DESCRIPTOR_ID = "serviceDescriptorId"; 464 final static String CHECKSUM = "checksum"; 465 466 } 467 468 } 469