REPO-164 / REPO-1086 - V1 REST API: Lock Node

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@129643 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

config/alfresco/public-rest-context.xml

@@ -153,6 +153,7 @@
                 <entry key="org.alfresco.rest.framework.core.exceptions.UnsupportedResourceOperationException" value="#{T(org.springframework.extensions.webscripts.Status).STATUS_METHOD_NOT_ALLOWED}" />
                 <entry key="org.alfresco.rest.framework.core.exceptions.ConstraintViolatedException" value="#{T(org.springframework.extensions.webscripts.Status).STATUS_CONFLICT}" />
                 <entry key="org.alfresco.service.cmr.lock.NodeLockedException" value="#{T(org.springframework.extensions.webscripts.Status).STATUS_CONFLICT}" />
+                <entry key="org.alfresco.service.cmr.lock.UnableToAquireLockException" value="422" />
                 <entry key="org.alfresco.service.cmr.repository.DuplicateChildNodeNameException" value="#{T(org.springframework.extensions.webscripts.Status).STATUS_CONFLICT}" />
                 <entry key="org.alfresco.rest.framework.core.exceptions.StaleEntityException" value="#{T(org.springframework.extensions.webscripts.Status).STATUS_CONFLICT}" />
                 <entry key="org.alfresco.rest.framework.core.exceptions.RequestEntityTooLargeException" value="#{T(org.springframework.extensions.webscripts.Status).STATUS_REQUEST_ENTITY_TOO_LARGE}" />

source/java/org/alfresco/rest/api/Nodes.java

@@ -28,21 +28,22 @@ package org.alfresco.rest.api;
 import java.io.InputStream;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
+import java.util.Set;
-
+
 import org.alfresco.rest.api.model.AssocChild;
 import org.alfresco.rest.api.model.AssocTarget;
-import org.alfresco.rest.api.model.Document;
+import org.alfresco.rest.api.model.Document;
-import org.alfresco.rest.api.model.Folder;
+import org.alfresco.rest.api.model.Folder;
-import org.alfresco.rest.api.model.Node;
+import org.alfresco.rest.api.model.LockInfo;
+import org.alfresco.rest.api.model.Node;
 import org.alfresco.rest.api.model.UserInfo;
 import org.alfresco.rest.framework.resource.content.BasicContentInfo;
 import org.alfresco.rest.framework.resource.content.BinaryResource;
 import org.alfresco.rest.framework.resource.parameters.CollectionWithPagingInfo;
 import org.alfresco.rest.framework.resource.parameters.Parameters;
-import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.repository.NodeRef;
-import org.alfresco.service.cmr.repository.StoreRef;
+import org.alfresco.service.cmr.repository.StoreRef;
-import org.alfresco.service.namespace.QName;
+import org.alfresco.service.namespace.QName;
 import org.springframework.extensions.webscripts.servlet.FormData;
 
 /**
@@ -244,6 +245,15 @@ public interface Nodes
      * @return
      */
     List<AssocTarget> addTargets(String sourceNodeId, List<AssocTarget> entities);
+    
+    /**
+     * Lock a node
+     * @param nodeId
+     * @param lockInfo
+     * @param parameters
+     * @return
+     */
+    Node lock(String nodeId, LockInfo lockInfo, Parameters parameters);
 
     /**
      * API Constants - query parameters, etc

source/java/org/alfresco/rest/api/impl/NodesImpl.java

@@ -22,11 +22,33 @@
  * You should have received a copy of the GNU Lesser General Public License
  * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
  * #L%
- */
+ */
 package org.alfresco.rest.api.impl;
 
+import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Serializable;
+import java.math.BigInteger;
+import java.nio.charset.Charset;
+import java.util.AbstractList;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.StringTokenizer;
+import java.util.concurrent.ConcurrentHashMap;
+
 import org.alfresco.model.ApplicationModel;
-import org.alfresco.model.ContentModel;
+import org.alfresco.model.ContentModel;
 import org.alfresco.model.QuickShareModel;
 import org.alfresco.query.PagingRequest;
 import org.alfresco.query.PagingResults;
@@ -34,6 +56,7 @@ import org.alfresco.repo.action.executer.ContentMetadataExtracter;
 import org.alfresco.repo.activities.ActivityType;
 import org.alfresco.repo.content.ContentLimitViolationException;
 import org.alfresco.repo.content.MimetypeMap;
+import org.alfresco.repo.lock.mem.Lifetime;
 import org.alfresco.repo.model.Repository;
 import org.alfresco.repo.model.filefolder.FileFolderServiceImpl;
 import org.alfresco.repo.node.getchildren.FilterProp;
@@ -53,13 +76,14 @@ import org.alfresco.repo.transaction.RetryingTransactionHelper;
 import org.alfresco.repo.version.VersionModel;
 import org.alfresco.rest.antlr.WhereClauseParser;
 import org.alfresco.rest.api.Activities;
-import org.alfresco.rest.api.Nodes;
+import org.alfresco.rest.api.Nodes;
 import org.alfresco.rest.api.QuickShareLinks;
 import org.alfresco.rest.api.model.AssocChild;
 import org.alfresco.rest.api.model.AssocTarget;
-import org.alfresco.rest.api.model.Document;
+import org.alfresco.rest.api.model.Document;
-import org.alfresco.rest.api.model.Folder;
+import org.alfresco.rest.api.model.Folder;
-import org.alfresco.rest.api.model.Node;
+import org.alfresco.rest.api.model.LockInfo;
+import org.alfresco.rest.api.model.Node;
 import org.alfresco.rest.api.model.PathInfo;
 import org.alfresco.rest.api.model.PathInfo.ElementInfo;
 import org.alfresco.rest.api.model.QuickShareLink;
@@ -68,9 +92,9 @@ import org.alfresco.rest.api.nodes.NodeAssocService;
 import org.alfresco.rest.framework.core.exceptions.ApiException;
 import org.alfresco.rest.framework.core.exceptions.ConstraintViolatedException;
 import org.alfresco.rest.framework.core.exceptions.DisabledServiceException;
-import org.alfresco.rest.framework.core.exceptions.EntityNotFoundException;
+import org.alfresco.rest.framework.core.exceptions.EntityNotFoundException;
 import org.alfresco.rest.framework.core.exceptions.InsufficientStorageException;
-import org.alfresco.rest.framework.core.exceptions.InvalidArgumentException;
+import org.alfresco.rest.framework.core.exceptions.InvalidArgumentException;
 import org.alfresco.rest.framework.core.exceptions.NotFoundException;
 import org.alfresco.rest.framework.core.exceptions.PermissionDeniedException;
 import org.alfresco.rest.framework.core.exceptions.RequestEntityTooLargeException;
@@ -95,8 +119,9 @@ import org.alfresco.service.cmr.activities.ActivityInfo;
 import org.alfresco.service.cmr.activities.ActivityPoster;
 import org.alfresco.service.cmr.dictionary.AspectDefinition;
 import org.alfresco.service.cmr.dictionary.DataTypeDefinition;
-import org.alfresco.service.cmr.dictionary.DictionaryService;
+import org.alfresco.service.cmr.dictionary.DictionaryService;
 import org.alfresco.service.cmr.dictionary.PropertyDefinition;
+import org.alfresco.service.cmr.lock.LockService;
 import org.alfresco.service.cmr.model.FileExistsException;
 import org.alfresco.service.cmr.model.FileFolderService;
 import org.alfresco.service.cmr.model.FileInfo;
@@ -109,11 +134,11 @@ import org.alfresco.service.cmr.repository.ContentWriter;
 import org.alfresco.service.cmr.repository.DuplicateChildNodeNameException;
 import org.alfresco.service.cmr.repository.InvalidNodeRefException;
 import org.alfresco.service.cmr.repository.MimetypeService;
-import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.repository.NodeRef;
-import org.alfresco.service.cmr.repository.NodeService;
+import org.alfresco.service.cmr.repository.NodeService;
 import org.alfresco.service.cmr.repository.Path;
 import org.alfresco.service.cmr.repository.Path.Element;
-import org.alfresco.service.cmr.repository.StoreRef;
+import org.alfresco.service.cmr.repository.StoreRef;
 import org.alfresco.service.cmr.security.AccessStatus;
 import org.alfresco.service.cmr.security.AuthorityService;
 import org.alfresco.service.cmr.security.OwnableService;
@@ -126,7 +151,7 @@ import org.alfresco.service.cmr.usage.ContentQuotaException;
 import org.alfresco.service.cmr.version.VersionService;
 import org.alfresco.service.cmr.version.VersionType;
 import org.alfresco.service.namespace.NamespaceService;
-import org.alfresco.service.namespace.QName;
+import org.alfresco.service.namespace.QName;
 import org.alfresco.util.Pair;
 import org.alfresco.util.PropertyCheck;
 import org.apache.commons.lang.StringUtils;
@@ -134,33 +159,11 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.springframework.dao.ConcurrencyFailureException;
 import org.springframework.extensions.surf.util.Content;
-import org.springframework.extensions.webscripts.servlet.FormData;
+import org.springframework.extensions.webscripts.servlet.FormData;
 
-import java.io.BufferedInputStream;
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.Serializable;
-import java.math.BigInteger;
-import java.nio.charset.Charset;
-import java.util.AbstractList;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.StringTokenizer;
-import java.util.concurrent.ConcurrentHashMap;
-
 /**
- * Centralises access to file/folder/node services and maps between representations.
+ * Centralises access to file/folder/node services and maps between representations.
- *
+ *
  * Note:
  * This class was originally used for returning some basic node info when listing Favourites.
  *
@@ -181,14 +184,12 @@ public class NodesImpl implements Nodes
     private enum Type
     {
         // Note: ordered
-        DOCUMENT, FOLDER
+        DOCUMENT, FOLDER
-    }
+    }
-
+
-    private static final String DEFAULT_MIMETYPE = MimetypeMap.MIMETYPE_BINARY;
+    private NodeService nodeService;
-
-    private NodeService nodeService;
     private DictionaryService dictionaryService;
-    private FileFolderService fileFolderService;
+    private FileFolderService fileFolderService;
     private NamespaceService namespaceService;
     private PermissionService permissionService;
     private MimetypeService mimetypeService;
@@ -200,12 +201,13 @@ public class NodesImpl implements Nodes
     private AuthorityService authorityService;
     private ThumbnailService thumbnailService;
     private SiteService siteService;
-    private ActivityPoster poster;
+    private ActivityPoster poster;
-    private RetryingTransactionHelper retryingTransactionHelper;
+    private RetryingTransactionHelper retryingTransactionHelper;
-    private NodeAssocService nodeAssocService;
+    private NodeAssocService nodeAssocService;
-
+    private LockService lockService;
-    private enum Activity_Type
+
-    {
+    private enum Activity_Type
+    {
         ADDED, UPDATED, DELETED, DOWNLOADED
     }
 
@@ -250,12 +252,13 @@ public class NodesImpl implements Nodes
         this.personService = sr.getPersonService();
         this.ownableService = sr.getOwnableService();
         this.authorityService = sr.getAuthorityService();
-        this.thumbnailService = sr.getThumbnailService();
+        this.thumbnailService = sr.getThumbnailService();
-        this.siteService =  sr.getSiteService();
+        this.siteService =  sr.getSiteService();
-        this.retryingTransactionHelper = sr.getRetryingTransactionHelper();
+        this.retryingTransactionHelper = sr.getRetryingTransactionHelper();
-
+        this.lockService = sr.getLockService();
-        if (defaultIgnoreTypesAndAspects != null)
+
-        {
+        if (defaultIgnoreTypesAndAspects != null)
+        {
             ignoreQNames = new HashSet<>(defaultIgnoreTypesAndAspects.size());
             for (String type : defaultIgnoreTypesAndAspects)
             {
@@ -908,7 +911,7 @@ public class NodesImpl implements Nodes
                     // special case: do not return "create" (as an allowable op) for file/content types - note: 'type' can be null
                     continue;
                 }
-                else if (perm.equals(PermissionService.DELETE) && (isSpecialNodeDoNotDelete(nodeRef, nodeTypeQName)))
+                else if (perm.equals(PermissionService.DELETE) && (isSpecialNode(nodeRef, nodeTypeQName)))
                 {
                     // special case: do not return "delete" (as an allowable op) for specific system nodes
                     continue;
@@ -1503,7 +1506,7 @@ public class NodesImpl implements Nodes
     {
         NodeRef nodeRef = validateOrLookupNode(nodeId, null);
 
-        if (isSpecialNodeDoNotDelete(nodeRef, getNodeType(nodeRef)))
+        if (isSpecialNode(nodeRef, getNodeType(nodeRef)))
         {
             throw new PermissionDeniedException("Cannot delete: " + nodeId);
         }
@@ -1927,9 +1930,9 @@ public class NodesImpl implements Nodes
         }
     }
 
-    // special case: additional delete validation (pending common lower-level service support)
+    // special case: additional node validation (pending common lower-level service support)
-    // for blacklist of system nodes that should not be deleted, eg. Company Home, Sites, Data Dictionary
+    // for blacklist of system nodes that should not be deleted or locked, eg. Company Home, Sites, Data Dictionary
-    private boolean isSpecialNodeDoNotDelete(NodeRef nodeRef, QName type)
+    private boolean isSpecialNode(NodeRef nodeRef, QName type)
     {
         // Check for Company Home, Sites and Data Dictionary (note: must be tenant-aware)
 
@@ -2180,7 +2183,7 @@ public class NodesImpl implements Nodes
             else
             {
                 // move
-                if ((! nodeRef.equals(parentNodeRef)) && isSpecialNodeDoNotDelete(nodeRef, getNodeType(nodeRef)))
+                if ((! nodeRef.equals(parentNodeRef)) && isSpecialNode(nodeRef, getNodeType(nodeRef)))
                 {
                     throw new PermissionDeniedException("Cannot move: "+nodeRef.getId());
                 }
@@ -2900,12 +2903,50 @@ public class NodesImpl implements Nodes
             {
                 result.add(name);
             }
-        }
+        }
-        return result;
+        return result;
-    }
+    }
+
+    @Override
+    public Node lock(String nodeId, LockInfo lockInfo, Parameters parameters)
+    {
+        NodeRef nodeRef = validateOrLookupNode(nodeId, null);
 
-    /**
+        if (isSpecialNode(nodeRef, getNodeType(nodeRef)))
-     * @author Jamal Kaabi-Mofrad
+        {
+            throw new PermissionDeniedException("Current user doesn't have permission to lock node " + nodeId);
+        }
+
+        lockInfo = validateLockInformation(lockInfo);
+        lockService.lock(nodeRef, lockInfo.getType(), lockInfo.getTimeToExpire(), lockInfo.getLifetime(), lockInfo.getIncludeChildren());
+        
+        return getFolderOrDocument(nodeId, parameters);
+    }
+    
+    private LockInfo validateLockInformation(LockInfo lockInfo)
+    {
+        // Set default values for the lock details.
+        if (lockInfo.getType() == null)
+        {
+            lockInfo.setType(LockInfo.LockType2.ALLOW_OWNER_CHANGES.name());
+        }
+        if (lockInfo.getLifetime() == null)
+        {
+            lockInfo.setLifetime(Lifetime.PERSISTENT.name());
+        }
+        if (lockInfo.getIncludeChildren() == null)
+        {
+            lockInfo.setIncludeChildren(false);
+        }
+        if (lockInfo.getTimeToExpire() == null)
+        {
+            lockInfo.setTimeToExpire(0);
+        }
+        return lockInfo;
+    }
+
+    /**
+     * @author Jamal Kaabi-Mofrad
      */
     /*
     private static class ContentInfoWrapper implements BasicContentInfo

source/java/org/alfresco/rest/api/model/LockInfo.java

@@ -0,0 +1,120 @@
+/*
+ * #%L
+ * Alfresco Remote API
+ * %%
+ * Copyright (C) 2005 - 2016 Alfresco Software Limited
+ * %%
+ * This file is part of the Alfresco software. 
+ * If the software was purchased under a paid Alfresco license, the terms of 
+ * the paid license agreement will prevail.  Otherwise, the software is 
+ * provided under the following open source license terms:
+ * 
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ * #L%
+ */
+package org.alfresco.rest.api.model;
+
+import org.alfresco.repo.lock.mem.Lifetime;
+import org.alfresco.service.cmr.lock.LockType;
+
+/**
+ * Representation of a lock info
+ *
+ * @author Ancuta Morarasu
+ */
+public class LockInfo
+{
+    private Integer timeToExpire;
+    private Boolean includeChildren;
+    private LockType2 type;
+    private Lifetime lifetime;
+    
+    /**
+     * Lock Type enum that maps to the current values in {@link org.alfresco.service.cmr.lock.LockType}.
+     * These values describe better the meanings of the lock types.
+     */
+    @SuppressWarnings("deprecation")
+    public static enum LockType2
+    {
+        FULL(LockType.READ_ONLY_LOCK),
+        ALLOW_ADD_CHILDREN(LockType.NODE_LOCK),
+        ALLOW_OWNER_CHANGES(LockType.WRITE_LOCK);
+        
+        private LockType type;
+        
+        private LockType2(LockType type)
+        {
+            this.type = type;
+        }
+        public LockType getType()
+        {
+            return type;
+        }
+    }
+    
+    public LockInfo() {}
+
+    public void setTimeToExpire(Integer timeToExpire)
+    {
+        this.timeToExpire = timeToExpire;
+    }
+
+    public Integer getTimeToExpire()
+    {
+        return timeToExpire;
+    }
+
+    public void setIncludeChildren(Boolean includeChildren)
+    {
+        this.includeChildren = includeChildren;
+    }
+    
+    public Boolean getIncludeChildren()
+    {
+        return includeChildren;
+    }
+    
+    public LockType getType()
+    {
+        return type != null ? type.getType() : null;
+    }
+
+    public void setType(String type)
+    {
+        this.type = LockType2.valueOf(type);
+    }
+
+    public Lifetime getLifetime()
+    {
+        return lifetime;
+    }
+
+    public void setLifetime(String lifetimeStr)
+    {
+        this.lifetime = Lifetime.valueOf(lifetimeStr);
+    }
+
+    @Override
+    public String toString()
+    {
+        final StringBuilder sb = new StringBuilder("LockInfo{");
+        sb.append("includeChildren='").append(includeChildren).append('\'');
+        sb.append(", timeToExpire=").append(timeToExpire).append('\'');
+        sb.append(", type=").append(type).append('\'');
+        sb.append(", lifetime=").append(lifetime).append('\'');
+        sb.append('}');
+        return sb.toString();
+    }
+
+}

source/java/org/alfresco/rest/api/nodes/NodesEntityResource.java

@@ -25,28 +25,29 @@
  */
 package org.alfresco.rest.api.nodes;
 
-import org.alfresco.rest.api.Nodes;
+import java.io.InputStream;
-import org.alfresco.rest.api.model.Node;
+
-import org.alfresco.rest.api.model.NodeTarget;
+import javax.servlet.http.HttpServletResponse;
-import org.alfresco.rest.framework.Operation;
+
-import org.alfresco.rest.framework.BinaryProperties;
+import org.alfresco.rest.api.Nodes;
-import org.alfresco.rest.framework.WebApiDescription;
+import org.alfresco.rest.api.model.LockInfo;
-import org.alfresco.rest.framework.WebApiParam;
+import org.alfresco.rest.api.model.Node;
-import org.alfresco.rest.framework.core.exceptions.EntityNotFoundException;
+import org.alfresco.rest.api.model.NodeTarget;
-import org.alfresco.rest.framework.resource.EntityResource;
+import org.alfresco.rest.framework.BinaryProperties;
-import org.alfresco.rest.framework.resource.actions.interfaces.BinaryResourceAction;
+import org.alfresco.rest.framework.Operation;
-import org.alfresco.rest.framework.resource.actions.interfaces.EntityResourceAction;
+import org.alfresco.rest.framework.WebApiDescription;
-import org.alfresco.rest.framework.resource.content.BasicContentInfo;
+import org.alfresco.rest.framework.WebApiParam;
-import org.alfresco.rest.framework.resource.content.BinaryResource;
+import org.alfresco.rest.framework.core.exceptions.EntityNotFoundException;
-import org.alfresco.rest.framework.resource.parameters.Parameters;
+import org.alfresco.rest.framework.resource.EntityResource;
-import org.alfresco.rest.framework.webscripts.WithResponse;
+import org.alfresco.rest.framework.resource.actions.interfaces.BinaryResourceAction;
-import org.alfresco.util.ParameterCheck;
+import org.alfresco.rest.framework.resource.actions.interfaces.EntityResourceAction;
-import org.apache.lucene.store.Lock;
+import org.alfresco.rest.framework.resource.content.BasicContentInfo;
+import org.alfresco.rest.framework.resource.content.BinaryResource;
+import org.alfresco.rest.framework.resource.parameters.Parameters;
+import org.alfresco.rest.framework.webscripts.WithResponse;
+import org.alfresco.util.ParameterCheck;
 import org.springframework.beans.factory.InitializingBean;
 
-import javax.servlet.http.HttpServletResponse;
-import java.io.InputStream;
-
 /**
  * An implementation of an Entity Resource for a Node (file or folder)
  *
@@ -169,6 +170,15 @@ public class NodesEntityResource implements
     {
         return nodes.moveOrCopyNode(nodeId, target.getTargetParentId(), target.getName(), parameters, false);
     }
+    
+    @Operation("lock")
+    @WebApiDescription(title = "Lock Node",
+            description="Places a lock on a node.",
+            successStatus = HttpServletResponse.SC_OK)
+    public Node lock(String nodeId, LockInfo lockInfo, Parameters parameters, WithResponse withResponse)
+    {
+        return nodes.lock(nodeId, lockInfo, parameters);
+    }
 
 }
 

source/test-java/org/alfresco/rest/api/tests/NodeApiTest.java

@@ -35,6 +35,21 @@ import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.UUID;
+
 import org.alfresco.repo.content.ContentLimitProvider.SimpleFixedLimitProvider;
 import org.alfresco.repo.content.MimetypeMap;
 import org.alfresco.repo.security.authentication.AuthenticationUtil;
@@ -57,7 +72,6 @@ import org.alfresco.rest.api.tests.client.data.Folder;
 import org.alfresco.rest.api.tests.client.data.Node;
 import org.alfresco.rest.api.tests.client.data.PathInfo;
 import org.alfresco.rest.api.tests.client.data.PathInfo.ElementInfo;
-import org.alfresco.rest.api.tests.client.data.SiteMember;
 import org.alfresco.rest.api.tests.client.data.SiteRole;
 import org.alfresco.rest.api.tests.client.data.UserInfo;
 import org.alfresco.rest.api.tests.util.MultiPartBuilder;
@@ -70,26 +84,12 @@ import org.alfresco.service.cmr.security.PermissionService;
 import org.alfresco.service.cmr.site.SiteVisibility;
 import org.alfresco.util.GUID;
 import org.alfresco.util.TempFileProvider;
+import org.apache.http.HttpStatus;
 import org.json.simple.JSONObject;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.UUID;
-
 /**
  * V1 REST API tests for Nodes (files, folders and custom node types)
  * 
@@ -3573,6 +3573,138 @@ public class NodeApiTest extends AbstractSingleNetworkSiteTest
         // some cleanup
         deleteNode(folderId, true, 204);
     }
+    
+    /**
+     * Tests lock of a node
+     * <p>POST:</p>
+     * {@literal <host>:<port>/alfresco/api/-default-/public/alfresco/versions/1/nodes/<nodeId>/lock}
+     */
+   @Test
+    public void testLock() throws Exception
+    {
+        setRequestContext(user1);
+        
+        // create folder
+        Folder folderResp = createFolder(Nodes.PATH_MY, "folderT");
+        String folderId = folderResp.getId();
+
+        // create doc d1
+        String d1Name = "content" + RUNID + "_1l";
+        Document d1 = createTextFile(folderId, d1Name, "The quick brown fox jumps over the lazy dog 1.");
+        String d1Id = d1.getId();
+
+        Map<String, String> body = new HashMap<>();
+        body.put("includeChildren", "true");
+        body.put("timeToExpire", "60");
+        body.put("type", "FULL");
+        body.put("lifetime", "PERSISTENT");
+
+        HttpResponse response = post(URL_NODES, d1Id, "lock", toJsonAsStringNonNull(body).getBytes(), null, null, 200);
+        Document documentResp = RestApiUtil.parseRestApiEntry(response.getJsonResponse(), Document.class);
+
+        assertEquals(d1Name, documentResp.getName());
+        assertEquals(d1Id, documentResp.getId());
+        assertEquals("READ_ONLY_LOCK", documentResp.getProperties().get("cm:lockType"));
+        assertNotNull(documentResp.getProperties().get("cm:lockOwner"));
+        
+        // Empty lock body, the default values are used
+        post("nodes/"+folderId+"/lock", "{}", null, 200);
+        
+        // Test delete on a folder which contains a locked node - NodeLockedException
+        deleteNode(folderId, true, HttpStatus.SC_CONFLICT);
+        
+        // Test lock children
+        // create folder
+        Folder folderA = createFolder(Nodes.PATH_MY, "folderA");
+        String folderAId = folderA.getId();
+
+        // create 2 children files
+        String dA1Name = "content" + RUNID + "_A1";
+        Document dA1 = createTextFile(folderAId, dA1Name, "A1 content");
+        String dA1Id = dA1.getId();
+        
+        String dA2Name = "content" + RUNID + "_A2";
+        Document dA2 = createTextFile(folderId, dA2Name, "A2 content");
+        String dA2Id = dA2.getId();
+
+        body = new HashMap<>();
+        body.put("includeChildren", "true");
+        body.put("timeToExpire", "60");
+        body.put("type", "FULL");
+        body.put("lifetime", "EPHEMERAL");
+
+        // lock the folder
+        response = post(URL_NODES, folderAId, "lock", toJsonAsStringNonNull(body).getBytes(), null, null, 200);
+        documentResp = RestApiUtil.parseRestApiEntry(response.getJsonResponse(), Document.class);
+
+        assertEquals("folderA", documentResp.getName());
+        assertEquals(folderAId, documentResp.getId());
+        assertNotNull(documentResp.getProperties().get("cm:lockType"));
+        assertNotNull(documentResp.getProperties().get("cm:lockOwner"));
+        
+        Map<String, String> params = Collections.singletonMap("include", "aspectNames,properties");
+        response = getAll(getNodeChildrenUrl(folderAId), null, params, 200);
+        List<Node> nodes = RestApiUtil.parseRestApiEntries(response.getJsonResponse(), Node.class);
+        // Test if children nodes are locked as well.
+        for (Node child : nodes)
+        {
+            assertNotNull(child.getProperties().get("cm:lockType"));
+            assertNotNull(child.getProperties().get("cm:lockOwner"));
+        }
+        
+        Folder folderB = createFolder(Nodes.PATH_MY, "folderB");
+        String folderBId = folderB.getId();
+        
+        body = new HashMap<>();
+        body.put("timeToExpire", "-100"); // values lower than 0 are considered as no expiry time
+        post("nodes/" + folderBId + "/lock", toJsonAsStringNonNull(body), null, 200);
+
+        // -ve tests
+
+        // Missing target node
+        body = new HashMap<>();
+        body.put("timeToExpire", "60");
+
+        post("nodes/" + "fakeId" + "/lock", toJsonAsStringNonNull(body), null, 404);
+        
+        // Cannot lock Data Dictionary node
+        params = new HashMap<>();
+        params.put(Nodes.PARAM_RELATIVE_PATH, "/Data Dictionary");
+        response = getSingle(NodesEntityResource.class, getRootNodeId(), params, 200);
+        Node nodeResp = RestApiUtil.parseRestApiEntry(response.getJsonResponse(), Node.class);
+        String ddNodeId = nodeResp.getId();
+
+        setRequestContext(networkAdmin);
+        post("nodes/"+ddNodeId+"/lock", toJsonAsStringNonNull(body), null, 403);
+
+        // Lock node already locked by another user - UnableToAquireLockException
+        post("nodes/"+folderId+"/lock", "{}", null, 422);
+        
+        // Invalid lock body values
+        setRequestContext(user1);
+        
+        Folder folderC = createFolder(Nodes.PATH_MY, "folderC");
+        String folderCId = folderB.getId();
+        body = new HashMap<>();
+        body.put("includeChildren", "true123");
+        post("nodes/"+folderBId+"/lock", toJsonAsStringNonNull(body), null, 400);
+        
+        body = new HashMap<>();
+        body.put("type", "FULL123");
+        post("nodes/"+folderBId+"/lock", toJsonAsStringNonNull(body), null, 400);
+        
+        body = new HashMap<>();
+        body.put("lifetime", "PERSISTENT123");        
+        post("nodes/"+folderBId+"/lock", toJsonAsStringNonNull(body), null, 400);
+        
+        body = new HashMap<>();
+        body.put("timeToExpire", "NaN");
+        post("nodes/"+folderBId+"/lock", toJsonAsStringNonNull(body), null, 400);
+        
+        body = new HashMap<>();
+        body.put("invalid_property", "true");
+        post("nodes/"+folderBId+"/lock", toJsonAsStringNonNull(body), null, 400);
+    }
 
     @Override
     public String getScope()