001    /**
002     * Copyright 2005-2012 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 java.io.Serializable;
019    import java.util.Collection;
020    
021    import javax.xml.bind.annotation.XmlAccessType;
022    import javax.xml.bind.annotation.XmlAccessorType;
023    import javax.xml.bind.annotation.XmlAnyElement;
024    import javax.xml.bind.annotation.XmlElement;
025    import javax.xml.bind.annotation.XmlRootElement;
026    import javax.xml.bind.annotation.XmlType;
027    
028    import org.kuali.rice.core.api.CoreConstants;
029    import org.kuali.rice.core.api.mo.AbstractDataTransferObject;
030    import org.kuali.rice.core.api.mo.ModelBuilder;
031    import org.w3c.dom.Element;
032    
033    /**
034     * Immutable implementation of the {@link ServiceEndpointContract} interface.
035     * Represents a service endpoint that has been published to the service registry.
036     * Includes both a {@link ServiceInfo} and {@link ServiceDescriptor} which
037     * compose the two different pieces of information about a service endpoint.
038     * 
039     * @author Kuali Rice Team (rice.collab@kuali.org)
040     *
041     */
042    @XmlRootElement(name = ServiceEndpoint.Constants.ROOT_ELEMENT_NAME)
043    @XmlAccessorType(XmlAccessType.NONE)
044    @XmlType(name = ServiceEndpoint.Constants.TYPE_NAME, propOrder = {
045                    ServiceEndpoint.Elements.INFO,
046                    ServiceEndpoint.Elements.DESCRIPTOR,
047                    CoreConstants.CommonElements.FUTURE_ELEMENTS
048    })
049    public final class ServiceEndpoint extends AbstractDataTransferObject implements ServiceEndpointContract {
050    
051            private static final long serialVersionUID = -2295962329997871877L;
052        
053            @XmlElement(name = Elements.INFO, required = false)
054        private final ServiceInfo info;
055            
056        @XmlElement(name = Elements.DESCRIPTOR, required = false)
057        private final ServiceDescriptor descriptor;
058        
059        @SuppressWarnings("unused")
060        @XmlAnyElement
061        private final Collection<Element> _futureElements = null;
062    
063        /**
064         * Private constructor used only by JAXB.
065         */
066        private ServiceEndpoint() {
067            this.info = null;
068            this.descriptor = null;
069        }
070        
071        private ServiceEndpoint(Builder builder) {
072            this.info = builder.getInfo().build();
073            this.descriptor = builder.getDescriptor().build();
074        }
075        
076        @Override
077        public ServiceInfo getInfo() {
078            return this.info;
079        }
080        
081        @Override
082        public ServiceDescriptor getDescriptor() {
083            return this.descriptor;
084        }
085    
086        /**
087         * A builder which can be used to construct {@link ServiceEndpoint} instances.  Enforces the constraints of the {@link ServiceEndpointContract}.
088         */
089        public final static class Builder implements Serializable, ModelBuilder, ServiceEndpointContract {
090    
091                    private static final long serialVersionUID = -1783718474634197837L;
092    
093                    private ServiceInfo.Builder info;
094            private ServiceDescriptor.Builder descriptor;
095    
096            private Builder(ServiceInfo.Builder info, ServiceDescriptor.Builder descriptor) {
097                setInfo(info);
098                setDescriptor(descriptor);
099            }
100    
101            public static Builder create(ServiceInfo.Builder info, ServiceDescriptor.Builder descriptor) {
102                return new Builder(info, descriptor);
103            }
104    
105            public static Builder create(ServiceEndpointContract contract) {
106                if (contract == null) {
107                    throw new IllegalArgumentException("contract was null");
108                }
109                Builder builder = create(ServiceInfo.Builder.create(contract.getInfo()), ServiceDescriptor.Builder.create(contract.getDescriptor()));
110                return builder;
111            }
112    
113            public ServiceEndpoint build() {
114                return new ServiceEndpoint(this);
115            }
116    
117            @Override
118            public ServiceInfo.Builder getInfo() {
119                return this.info;
120            }
121            
122            @Override
123            public ServiceDescriptor.Builder getDescriptor() {
124                return this.descriptor;
125            }
126            
127            public void setInfo(ServiceInfo.Builder info) {
128                if (info == null) {
129                    throw new IllegalArgumentException("info was null");
130                }
131                this.info = info;
132            }
133    
134            public void setDescriptor(ServiceDescriptor.Builder descriptor) {
135                    if (descriptor == null) {
136                    throw new IllegalArgumentException("descriptor was null");
137                }
138                this.descriptor = descriptor;
139            }
140            
141        }
142    
143    
144        /**
145         * Defines some internal constants used on this class.
146         */
147        static class Constants {
148    
149            final static String ROOT_ELEMENT_NAME = "serviceEndpoint";
150            final static String TYPE_NAME = "ServiceEndpointType";
151    
152        }
153    
154    
155        /**
156         * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML.
157         */
158        static class Elements {
159    
160            final static String INFO = "info";
161            final static String DESCRIPTOR = "descriptor";
162    
163        }
164        
165    }