Moving to root below branch label

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2005 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/version/common/VersionImpl.java

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+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * 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.alfresco.repo.version.common;
+
+import java.io.Serializable;
+import java.util.Date;
+import java.util.Map;
+
+import org.alfresco.repo.version.VersionModel;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.repository.StoreRef;
+import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
+import org.alfresco.service.cmr.repository.datatype.TypeConverter;
+import org.alfresco.service.cmr.version.Version;
+import org.alfresco.service.cmr.version.VersionServiceException;
+import org.alfresco.service.cmr.version.VersionType;
+
+
+/**
+ * Version class implementation.
+ * 
+ * Used to represent the data about a version stored in a version store.
+ * 
+ * @author Roy Wetherall
+ */
+public class VersionImpl implements Version
+{
+    /**
+     * Serial version UID
+     */
+    private static final long serialVersionUID = 3257567304324888881L;
+    
+    /**
+     * Error message(s)
+     */
+    private static final String ERR_NO_NODE_REF = "A valid node reference must be supplied when creating a verison.";       
+    
+    /**
+     * The properties of the version
+     */
+    private Map<String, Serializable> versionProperties = null;
+    
+    /**
+     * The node reference that represents the frozen state of the versioned object
+     */
+    private NodeRef nodeRef = null;        
+    
+    /**
+     * Constructor that initialises the state of the version object.
+     * 
+     * @param  versionProperties  the version properties
+     * @param  nodeRef            the forzen state node reference
+     */
+    public VersionImpl(
+            Map<String, Serializable> versionProperties, 
+            NodeRef nodeRef)
+    {
+        if (nodeRef == null)
+        {
+            // Exception - a node ref must be specified
+            throw new VersionServiceException(VersionImpl.ERR_NO_NODE_REF);
+        }
+        
+        this.versionProperties = versionProperties;
+        this.nodeRef = nodeRef;        
+    }
+    
+
+    /**
+     * Helper method to get the created date from the version property data.
+     * 
+     * @return the date the version was created
+     */
+    public Date getCreatedDate()
+    {
+        return (Date)this.versionProperties.get(VersionModel.PROP_CREATED_DATE);
+    }
+    
+    public String getCreator()
+    {
+        return (String)this.versionProperties.get(VersionModel.PROP_CREATOR);
+    }
+
+    /**
+     * Helper method to get the version label from the version property data.
+     * 
+     * @return the version label
+     */
+    public String getVersionLabel()
+    {
+        return (String)this.versionProperties.get(VersionModel.PROP_VERSION_LABEL);
+    }    
+    
+    /**
+     * Helper method to get the version type.
+     * 
+     * @return  the value of the version type as an enum value
+     */
+    public VersionType getVersionType()
+    {
+        return (VersionType)this.versionProperties.get(VersionModel.PROP_VERSION_TYPE);
+    }
+    
+    /**
+     * Helper method to get the version description.
+     * 
+     * @return the version description
+     */
+    public String getDescription()
+    {
+        return (String)this.versionProperties.get(PROP_DESCRIPTION);
+    }
+    
+    /**
+     * @see org.alfresco.service.cmr.version.Version#getVersionProperties()
+     */
+    public Map<String, Serializable> getVersionProperties()
+    {
+        return this.versionProperties;
+    }
+
+    /**
+     * @see org.alfresco.service.cmr.version.Version#getVersionProperty(java.lang.String)
+     */
+    public Serializable getVersionProperty(String name)
+    {
+        Serializable result = null;
+        if (this.versionProperties != null)
+        {
+            result = this.versionProperties.get(name);
+        }
+        return result;
+    }
+    
+    /**
+     * @see org.alfresco.service.cmr.version.Version#getVersionedNodeRef()
+     */
+    public NodeRef getVersionedNodeRef()
+    {
+        String storeProtocol = (String)this.versionProperties.get(VersionModel.PROP_FROZEN_NODE_STORE_PROTOCOL);
+        String storeId = (String)this.versionProperties.get(VersionModel.PROP_FROZEN_NODE_STORE_ID);
+        String nodeId = (String)this.versionProperties.get(VersionModel.PROP_FROZEN_NODE_ID);
+        return new NodeRef(new StoreRef(storeProtocol, storeId), nodeId);
+    }
+
+    /**
+     * @see org.alfresco.service.cmr.version.Version#getFrozenStateNodeRef()
+     */
+    public NodeRef getFrozenStateNodeRef()
+    {
+        return this.nodeRef;
+    }
+    
+    /**
+     * Static block to register the version type converters
+     */
+    static
+    {
+        DefaultTypeConverter.INSTANCE.addConverter(
+                String.class, 
+                VersionType.class, 
+                new TypeConverter.Converter<String, VersionType>()
+                {
+                    public VersionType convert(String source)
+                    {
+                        return VersionType.valueOf(source);
+                    }
+        
+                });
+        
+        DefaultTypeConverter.INSTANCE.addConverter(
+                VersionType.class,
+                String.class,
+                new TypeConverter.Converter<VersionType, String>()
+                {
+                    public String convert(VersionType source)
+                    {
+                        return source.toString();
+                    }
+        
+                });
+    }
+ }