/**
    * Copyright 2005-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.rice.ksb.api.registry;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.CoreConstants;
  import org.kuali.rice.core.api.mo.AbstractDataTransferObject;
  import org.kuali.rice.core.api.mo.ModelBuilder;
  import org.kuali.rice.core.api.util.jaxb.QNameAsStringAdapter;
  import org.w3c.dom.Element;
  
  import javax.xml.bind.annotation.XmlAccessType;
  import javax.xml.bind.annotation.XmlAccessorType;
  import javax.xml.bind.annotation.XmlAnyElement;
  import javax.xml.bind.annotation.XmlElement;
  import javax.xml.bind.annotation.XmlRootElement;
  import javax.xml.bind.annotation.XmlType;
  import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
  import javax.xml.namespace.QName;
  import java.io.Serializable;
  import java.util.Collection;
  
  /**
   * Immutable implementation of the {@link ServiceInfoContract} interface.
   * Includes standard configuration information about a service that has been
   * published to the service registry.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  @XmlRootElement(name = ServiceInfo.Constants.ROOT_ELEMENT_NAME)
  @XmlAccessorType(XmlAccessType.NONE)
  @XmlType(name = ServiceInfo.Constants.TYPE_NAME, propOrder = {
      ServiceInfo.Elements.SERVICE_ID,
      ServiceInfo.Elements.SERVICE_NAME,
      ServiceInfo.Elements.ENDPOINT_URL,
      ServiceInfo.Elements.INSTANCE_ID,
      ServiceInfo.Elements.APPLICATION_ID,
      ServiceInfo.Elements.SERVER_IP_ADDRESS,
      ServiceInfo.Elements.TYPE,
      ServiceInfo.Elements.SERVICE_VERSION,
      ServiceInfo.Elements.STATUS,
      ServiceInfo.Elements.SERVICE_DESCRIPTOR_ID,
      ServiceInfo.Elements.CHECKSUM,
      CoreConstants.CommonElements.VERSION_NUMBER,
      CoreConstants.CommonElements.FUTURE_ELEMENTS
  })
  public final class ServiceInfo extends AbstractDataTransferObject implements ServiceInfoContract {
  
  	private static final long serialVersionUID = 4793306414624564991L;
  	
  	@XmlElement(name = Elements.SERVICE_ID, required = false)
      private final String serviceId;
  	
  	@XmlJavaTypeAdapter(QNameAsStringAdapter.class)
      @XmlElement(name = Elements.SERVICE_NAME, required = true)
      private final QName serviceName;
      
      @XmlElement(name = Elements.ENDPOINT_URL, required = true)
      private final String endpointUrl;
      
      @XmlElement(name = Elements.INSTANCE_ID, required = true)
      private final String instanceId;
      
      @XmlElement(name = Elements.APPLICATION_ID, required = true)
      private final String applicationId;
      
      @XmlElement(name = Elements.SERVER_IP_ADDRESS, required = true)
      private final String serverIpAddress;
      
      @XmlElement(name = Elements.TYPE, required = true)
      private final String type;
      
      @XmlElement(name = Elements.SERVICE_VERSION, required = true)
      private final String serviceVersion;
      
      @XmlJavaTypeAdapter(ServiceEndpointStatus.Adapter.class)
      @XmlElement(name = Elements.STATUS, required = true)
      private final String status;
      
      @XmlElement(name = Elements.SERVICE_DESCRIPTOR_ID, required = false)
      private final String serviceDescriptorId;
      
      @XmlElement(name = Elements.CHECKSUM, required = true)
      private final String checksum;
      
     @XmlElement(name = CoreConstants.CommonElements.VERSION_NUMBER, required = false)
     private final Long versionNumber;
     
     @SuppressWarnings("unused")
     @XmlAnyElement
     private final Collection<Element> _futureElements = null;
 
     /**
      * Private constructor used only by JAXB.
      * 
      */
     private ServiceInfo() {
         this.serviceId = null;
         this.serviceName = null;
         this.endpointUrl = null;
         this.instanceId = null;
         this.applicationId = null;
         this.serverIpAddress = null;
         this.type = null;
         this.serviceVersion = null;
         this.status = null;
         this.serviceDescriptorId = null;
         this.checksum = null;
         this.versionNumber = null;
     }
 
     private ServiceInfo(Builder builder) {
         this.serviceId = builder.getServiceId();
         this.serviceName = builder.getServiceName();
         this.endpointUrl = builder.getEndpointUrl();
         this.instanceId = builder.getInstanceId();
         this.applicationId = builder.getApplicationId();
         this.serverIpAddress = builder.getServerIpAddress();
         this.type = builder.getType();
         this.serviceVersion = builder.getServiceVersion();
         ServiceEndpointStatus builderStatus = builder.getStatus();
         this.status = builderStatus == null ? null : builderStatus.getCode();
         this.serviceDescriptorId = builder.getServiceDescriptorId();
         this.checksum = builder.getChecksum();
         this.versionNumber = builder.getVersionNumber();
     }
 
     @Override
     public String getServiceId() {
         return this.serviceId;
     }
 
     @Override
     public QName getServiceName() {
         return this.serviceName;
     }
 
     @Override
     public String getEndpointUrl() {
         return this.endpointUrl;
     }
     
     @Override
     public String getInstanceId() {
         return this.instanceId;
     }
 
     @Override
     public String getApplicationId() {
         return this.applicationId;
     }
 
     @Override
     public String getServerIpAddress() {
         return this.serverIpAddress;
     }
     
     @Override
     public String getType() {
     	return this.type;
     }
     
     @Override
     public String getServiceVersion() {
     	return this.serviceVersion;
     }
     
     @Override
     public ServiceEndpointStatus getStatus() {
     	return ServiceEndpointStatus.fromCode(this.status);
     }
 
     @Override
     public String getServiceDescriptorId() {
         return this.serviceDescriptorId;
     }
     
     @Override
     public String getChecksum() {
         return this.checksum;
     }
 
     @Override
     public Long getVersionNumber() {
         return this.versionNumber;
     }
 
     /**
      * A builder which can be used to construct {@link ServiceInfo} instances.
      * Enforces the constraints of the {@link ServiceInfoContract}.
      */
     public final static class Builder
         implements Serializable, ModelBuilder, ServiceInfoContract
     {
 
 		private static final long serialVersionUID = 4424090938369742940L;
 
 		private String serviceId;
         private QName serviceName;
         private String endpointUrl;
         private String instanceId;
         private String applicationId;
         private String serverIpAddress;
         private String type;
         private String serviceVersion;
         private ServiceEndpointStatus status;
         private String serviceDescriptorId;
         private String checksum;
         private Long versionNumber;
 
         private Builder() {}
 
         public static Builder create() {
             return new Builder();
         }
 
         public static Builder create(ServiceInfoContract contract) {
             if (contract == null) {
                 throw new IllegalArgumentException("contract was null");
             }
             Builder builder = create();
             builder.setServiceId(contract.getServiceId());
             builder.setServiceName(contract.getServiceName());
             builder.setEndpointUrl(contract.getEndpointUrl());
             builder.setInstanceId(contract.getInstanceId());
             builder.setApplicationId(contract.getApplicationId());
             builder.setServerIpAddress(contract.getServerIpAddress());
             builder.setType(contract.getType());
             builder.setServiceVersion(contract.getServiceVersion());
             builder.setStatus(contract.getStatus());
             builder.setServiceDescriptorId(contract.getServiceDescriptorId());
             builder.setChecksum(contract.getChecksum());
             builder.setVersionNumber(contract.getVersionNumber());
             return builder;
         }
 
         public ServiceInfo build() {
         	validateAll();
             return new ServiceInfo(this);
         }
 
         @Override
         public String getServiceId() {
             return this.serviceId;
         }
 
         @Override
         public QName getServiceName() {
             return this.serviceName;
         }
 
         @Override
         public String getEndpointUrl() {
             return this.endpointUrl;
         }
         
         @Override
         public String getInstanceId() {
             return this.instanceId;
         }
 
         @Override
         public String getApplicationId() {
             return this.applicationId;
         }
 
         @Override
         public String getServerIpAddress() {
             return this.serverIpAddress;
         }
         
         @Override
         public String getType() {
         	return this.type;
         }
         
         @Override
         public String getServiceVersion() {
         	return this.serviceVersion;
         }
 
         @Override
         public ServiceEndpointStatus getStatus() {
         	return this.status;
         }
         
         @Override
         public String getServiceDescriptorId() {
             return this.serviceDescriptorId;
         }
         
         @Override
         public String getChecksum() {
             return this.checksum;
         }
 
         @Override
         public Long getVersionNumber() {
             return this.versionNumber;
         }
 
         public void setServiceId(String serviceId) {
             this.serviceId = serviceId;
         }
 
         public void setServiceName(QName serviceName) {
             validateServiceName(serviceName);
             this.serviceName = serviceName;
         }
 
         public void setEndpointUrl(String endpointUrl) {
             validateEndpointUrl(endpointUrl);
             this.endpointUrl = endpointUrl;
         }
         
         public void setInstanceId(String instanceId) {
             validateInstanceId(instanceId);
             this.instanceId = instanceId;
         }
 
         public void setApplicationId(String applicationId) {
             validateApplicationId(applicationId);
             this.applicationId = applicationId;
         }
 
         public void setServerIpAddress(String serverIpAddress) {
         	validateServerIpAddress(serverIpAddress);
             this.serverIpAddress = serverIpAddress;
         }
         
         public void setType(String type) {
         	validateType(type);
         	this.type = type;
         }
         
         public void setServiceVersion(String serviceVersion) {
         	validateServiceVersion(serviceVersion);
         	this.serviceVersion = serviceVersion;
         }
         
         public void setStatus(ServiceEndpointStatus status) {
         	validateStatus(status);
         	this.status = status;
         }
 
         public void setServiceDescriptorId(String serviceDescriptorId) {
             this.serviceDescriptorId = serviceDescriptorId;
         }
         
         public void setChecksum(String checksum) {
             validateChecksum(checksum);
             this.checksum = checksum;
         }
 
         public void setVersionNumber(Long versionNumber) {
             this.versionNumber = versionNumber;
         }
         
         private void assertNotNull(String name, Object object) {
         	if (object == null) {
         		throw new IllegalArgumentException(name + " was null");
         	}
         }
         
         private void assertNotBlank(String name, String value) {
         	assertNotNull(name, value);
         	if (StringUtils.isBlank(value)) {
         		throw new IllegalArgumentException(name + " was blank");
         	}
         }
         
         private void validateServiceName(QName serviceName) {
         	assertNotNull("serviceName", serviceName);
         }
         
         private void validateEndpointUrl(String endpointUrl) {
         	assertNotBlank("endpointUrl", endpointUrl);
         }
         
         private void validateInstanceId(String instanceId) {
         	assertNotBlank("instanceId", instanceId);
         }
         
         private void validateApplicationId(String applicationId) {
         	assertNotBlank("applicationId", applicationId);
         }
         
         private void validateServerIpAddress(String serverIpAddress) {
         	assertNotBlank("serverIpAddress", serverIpAddress);
         }
         
         private void validateType(String type) {
         	assertNotBlank("type", type);
         }
 
         private void validateServiceVersion(String serviceVersion) {
         	assertNotBlank("serviceVersion", serviceVersion);
         }
         
         private void validateStatus(ServiceEndpointStatus status) {
         	assertNotNull("status", status);
         }
         
         private void validateChecksum(String checksum) {
         	assertNotBlank("checksum", checksum);
         }
         
         private void validateAll() {
         	validateServiceName(serviceName);
             validateEndpointUrl(endpointUrl);
             validateInstanceId(instanceId);
             validateApplicationId(applicationId);
             validateServerIpAddress(serverIpAddress);
             validateType(type);
             validateServiceVersion(serviceVersion);
             validateStatus(status);
             validateChecksum(checksum);
         }
 
     }
 
 
     /**
      * Defines some internal constants used on this class.
      * 
      */
     static class Constants {
 
         final static String ROOT_ELEMENT_NAME = "serviceInfo";
         final static String TYPE_NAME = "ServiceInfoType";
     }
 
 
     /**
      * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML.
      * 
      */
     static class Elements {
 
         final static String SERVICE_ID = "serviceId";
         final static String SERVICE_NAME = "serviceName";
         final static String ENDPOINT_URL = "endpointUrl";
         final static String INSTANCE_ID = "instanceId";
         final static String APPLICATION_ID = "applicationId";
         final static String SERVER_IP_ADDRESS = "serverIpAddress";
         final static String TYPE = "type";
         final static String SERVICE_VERSION = "serviceVersion";
         final static String STATUS = "status";
         final static String SERVICE_DESCRIPTOR_ID = "serviceDescriptorId";
         final static String CHECKSUM = "checksum";
 
     }
 
 }