/*

  * Copyright 2006-2011 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.kim.api.group;

 import org.apache.commons.lang.StringUtils;

 import org.apache.commons.lang.builder.EqualsBuilder;

 import org.apache.commons.lang.builder.HashCodeBuilder;

 import org.apache.commons.lang.builder.ToStringBuilder;

 import org.kuali.rice.core.api.CoreConstants;

 import org.kuali.rice.core.api.mo.ModelBuilder;

 import org.kuali.rice.core.api.mo.ModelObjectComplete;

 import org.kuali.rice.core.util.jaxb.SqlTimestampAdapter;

 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 java.io.Serializable;

 import java.sql.Timestamp;

 import java.util.Collection;

 @XmlRootElement(name = GroupMember.Constants.ROOT_ELEMENT_NAME)

 @XmlAccessorType(XmlAccessType.NONE)

 @XmlType(name = GroupMember.Constants.TYPE_NAME, propOrder = {

         GroupMember.Elements.ID,

         GroupMember.Elements.GROUP_ID,

         GroupMember.Elements.MEMBER_ID,

         GroupMember.Elements.TYPE_CODE,

         CoreConstants.CommonElements.ACTIVE_FROM_DATE,

         CoreConstants.CommonElements.ACTIVE_TO_DATE,

         CoreConstants.CommonElements.VERSION_NUMBER,

         CoreConstants.CommonElements.OBJECT_ID,

         CoreConstants.CommonElements.FUTURE_ELEMENTS

 })

 public class GroupMember implements GroupMemberContract, ModelObjectComplete  {

     @XmlElement(name = Elements.ID, required = false)

     private final String id;

     @XmlElement(name = Elements.GROUP_ID, required = true)

     private final String groupId;

     @XmlElement(name = Elements.MEMBER_ID, required = true)

     private final String memberId;

     @XmlElement(name = Elements.TYPE_CODE, required = true)

     private final String typeCode;

     @XmlElement(name = CoreConstants.CommonElements.ACTIVE_FROM_DATE, required = false)

     @XmlJavaTypeAdapter(SqlTimestampAdapter.class)

     private final Timestamp activeFromDate;

     @XmlElement(name = CoreConstants.CommonElements.ACTIVE_TO_DATE, required = false)

     @XmlJavaTypeAdapter(SqlTimestampAdapter.class)

         private final Timestamp activeToDate;

     @XmlElement(name = CoreConstants.CommonElements.VERSION_NUMBER, required = false)

     private final Long versionNumber;

     @XmlElement(name = CoreConstants.CommonElements.OBJECT_ID, required = false)

     private final String objectId;

     @SuppressWarnings("unused")

     @XmlAnyElement

     private final Collection<Element> _futureElements = null;

     private GroupMember() {

         this.id = null;

         this.groupId = null;

         this.memberId = null;

         this.typeCode = null;

         this.versionNumber = null;

         this.objectId = null;

         this.activeFromDate = null;

         this.activeToDate = null;

     }

     public GroupMember(Builder builder) {

         this.id = builder.getId();

         this.groupId = builder.getGroupId();

         this.memberId = builder.getMemberId();

         this.typeCode = builder.getTypeCode();

         this.versionNumber = builder.getVersionNumber();

         this.objectId = builder.getObjectId();

         this.activeFromDate = builder.getActiveFromDate();

         this.activeToDate = builder.getActiveToDate();

     }

     public static class Builder implements GroupMemberContract, ModelBuilder, Serializable {

         private String id;

         private String groupId;

         private String memberId;

         private String typeCode;

         private Timestamp activeFromDate;

         private Timestamp activeToDate;

         private Long versionNumber;

         private String objectId;

         private Builder(String groupId, String memberId, String typeCode) {

             setGroupId(groupId);

             setMemberId(memberId);

             setTypeCode(typeCode);

         }

         /**

          * creates a Parameter with the required fields.

          */

         public static Builder create(String groupId, String memberId, String typeCode) {

             return new Builder(groupId, memberId, typeCode);

         }

         /**

          * creates a GroupMember from an existing {@link org.kuali.rice.kim.api.group.GroupMemberContract}.

          */

         public static Builder create(GroupMemberContract contract) {

             if (contract == null) {

                 throw new IllegalArgumentException("contract was null");

             }

             Builder builder = new Builder(contract.getGroupId(), contract.getMemberId(), contract.getTypeCode());

             builder.setId(contract.getId());

             builder.setActiveFromDate(contract.getActiveFromDate());

             builder.setActiveToDate(contract.getActiveToDate());

             builder.setVersionNumber(contract.getVersionNumber());

             builder.setObjectId(contract.getObjectId());

             return builder;

         }

         @Override

         public String getId() {

             return id;

         }

         public void setId(final String id) {

             if (StringUtils.isWhitespace(id)) {

                 throw new IllegalArgumentException("id is blank");

             }

             this.id = id;

         }

         @Override

         public String getGroupId() {

             return groupId;

         }

         public void setGroupId(final String groupId) {

             if (StringUtils.isEmpty(groupId)) {

                 throw new IllegalArgumentException("groupId is empty");

             }

             this.groupId = groupId;

         }

         @Override

         public String getMemberId() {

             return memberId;

         }

         public void setMemberId(final String memberId) {

             if (StringUtils.isEmpty(memberId)) {

                 throw new IllegalArgumentException("memberId is empty");

             }

             this.memberId = memberId;

         }

         @Override

         public String getTypeCode() {

             return typeCode;

         }

         public void setTypeCode(final String typeCode) {

             if (StringUtils.isEmpty(typeCode)) {

                 throw new IllegalArgumentException("typeCode is empty");

             }

             this.typeCode = typeCode;

         }

         @Override

         public Timestamp getActiveFromDate() {

             return activeFromDate;

         }

         public void setActiveFromDate(final Timestamp activeFromDate) {

             this.activeFromDate = activeFromDate;

         }

         @Override

         public Timestamp getActiveToDate() {

             return activeToDate;

         }

         public void setActiveToDate(final Timestamp activeToDate) {

             this.activeToDate = activeToDate;

         }

         @Override

         public Long getVersionNumber() {

             return versionNumber;

         }

         public void setVersionNumber(final Long versionNumber) {

             this.versionNumber = versionNumber;

         }

         @Override

         public String getObjectId() {

             return objectId;

         }

         public void setObjectId(final String objectId) {

             this.objectId = objectId;

         }

         @Override

         public boolean isActive() {

             long asOfDate = System.currentTimeMillis();

                     return (activeFromDate == null || asOfDate >= activeFromDate.getTime()) && (activeToDate == null || asOfDate < activeToDate.getTime());

         }

         @Override

         public boolean isActive(Timestamp activeAsOf) {

             long asOfDate = System.currentTimeMillis();

             if (activeAsOf != null) {

                 asOfDate = activeAsOf.getTime();

             }

             return (activeFromDate == null || asOfDate >= activeFromDate.getTime()) && (activeToDate == null || asOfDate < activeToDate.getTime());

         }

         @Override

         public GroupMember build() {

             return new GroupMember(this);

         }

     }

     public String getId() {

         return id;

     }

     public String getGroupId() {

         return groupId;

     }

     public String getMemberId() {

         return memberId;

     }

     public String getTypeCode() {

         return typeCode;

     }

     public Timestamp getActiveFromDate() {

         return activeFromDate;

     }

     public Timestamp getActiveToDate() {

         return activeToDate;

     }

     public Long getVersionNumber() {

         return versionNumber;

     }

     public String getObjectId() {

         return objectId;

     }

     @Override

     public boolean isActive() {

         long asOfDate = System.currentTimeMillis();

                 return (activeFromDate == null || asOfDate >= activeFromDate.getTime()) && (activeToDate == null || asOfDate < activeToDate.getTime());

     }

     @Override

     public boolean isActive(Timestamp activeAsOf) {

         long asOfDate = System.currentTimeMillis();

                 if (activeAsOf != null) {

                         asOfDate = activeAsOf.getTime();

                 }

                 return (activeFromDate == null || asOfDate >= activeFromDate.getTime()) && (activeToDate == null || asOfDate < activeToDate.getTime());

     }

     @Override

     public int hashCode() {

         return HashCodeBuilder.reflectionHashCode(this, Constants.HASH_CODE_EQUALS_EXCLUDE);

     }

     @Override

     public boolean equals(Object obj) {

         return EqualsBuilder.reflectionEquals(obj, this, Constants.HASH_CODE_EQUALS_EXCLUDE);

     }

     @Override

     public String toString() {

         return ToStringBuilder.reflectionToString(this);

     }

     /**

      * Defines some internal constants used on this class.

      */

     static class Constants {

         final static String ROOT_ELEMENT_NAME = "groupMember";

         final static String TYPE_NAME = "GroupMemberType";

         final static String[] HASH_CODE_EQUALS_EXCLUDE = {CoreConstants.CommonElements.FUTURE_ELEMENTS};

     }

     /**

      * 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 ID = "id";

         final static String GROUP_ID = "groupId";

         final static String MEMBER_ID = "memberId";

         final static String TYPE_CODE = "typeCode";

     }

 }