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Posted to commits@sling.apache.org by ro...@apache.org on 2017/11/07 09:52:04 UTC

[sling-org-apache-sling-jcr-webdav] 02/05: SLING-4825 - support Jackrabbit DeleteHandler - contributed by Satya Deep Maheshwari, thanks!

This is an automated email from the ASF dual-hosted git repository.

rombert pushed a commit to annotated tag org.apache.sling.jcr.webdav-2.3.2
in repository https://gitbox.apache.org/repos/asf/sling-org-apache-sling-jcr-webdav.git

commit f82f58f1aab04321e6f946d4730bcd6c72aa5ecd
Author: Bertrand Delacretaz <bd...@apache.org>
AuthorDate: Mon Sep 14 12:50:16 2015 +0000

    SLING-4825 - support Jackrabbit DeleteHandler - contributed by Satya Deep Maheshwari, thanks!
    
    git-svn-id: https://svn.apache.org/repos/asf/sling/trunk/bundles/jcr/webdav@1702935 13f79535-47bb-0310-9956-ffa450edef68
---
 pom.xml                                            |  4 +-
 .../webdav/impl/handler/DefaultHandlerService.java | 15 +++++-
 .../webdav/impl/handler/SlingDeleteManager.java    | 63 ++++++++++++++++++++++
 .../webdav/impl/helper/SlingResourceConfig.java    | 12 ++++-
 .../webdav/impl/servlets/SlingWebDavServlet.java   | 23 +++++++-
 5 files changed, 111 insertions(+), 6 deletions(-)

diff --git a/pom.xml b/pom.xml
index d34c785..134f1dc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,7 +56,7 @@
                     <instructions>
                         <Bundle-Category>sling,jcr</Bundle-Category>
                         <Export-Package>
-                            org.apache.jackrabbit.server.io;version=2.3;provide:=true
+                            org.apache.jackrabbit.server.io;version=2.4;provide:=true
                         </Export-Package>
                         <Private-Package>
                             org.apache.jackrabbit.server,
@@ -115,7 +115,7 @@
         <dependency>
             <groupId>org.apache.jackrabbit</groupId>
             <artifactId>jackrabbit-jcr-server</artifactId>
-            <version>2.6.4</version>
+            <version>2.11.0</version>
             <scope>compile</scope>
         </dependency>
 
diff --git a/src/main/java/org/apache/sling/jcr/webdav/impl/handler/DefaultHandlerService.java b/src/main/java/org/apache/sling/jcr/webdav/impl/handler/DefaultHandlerService.java
index 4575ba5..3021e6b 100644
--- a/src/main/java/org/apache/sling/jcr/webdav/impl/handler/DefaultHandlerService.java
+++ b/src/main/java/org/apache/sling/jcr/webdav/impl/handler/DefaultHandlerService.java
@@ -26,6 +26,8 @@ import org.apache.felix.scr.annotations.Properties;
 import org.apache.felix.scr.annotations.Property;
 import org.apache.felix.scr.annotations.Service;
 import org.apache.jackrabbit.server.io.DefaultHandler;
+import org.apache.jackrabbit.server.io.DeleteContext;
+import org.apache.jackrabbit.server.io.DeleteHandler;
 import org.apache.jackrabbit.server.io.ExportContext;
 import org.apache.jackrabbit.server.io.IOHandler;
 import org.apache.jackrabbit.server.io.IOManager;
@@ -58,7 +60,8 @@ import javax.jcr.RepositoryException;
     @Property(name = SlingWebDavServlet.TYPE_NONCOLLECTIONS, value = SlingWebDavServlet.TYPE_NONCOLLECTIONS_DEFAULT, propertyPrivate = false),
     @Property(name = SlingWebDavServlet.TYPE_CONTENT, value = SlingWebDavServlet.TYPE_CONTENT_DEFAULT, propertyPrivate = false) })
 @Service
-public class DefaultHandlerService implements IOHandler, PropertyHandler, CopyMoveHandler {
+public class DefaultHandlerService implements IOHandler, PropertyHandler, CopyMoveHandler,
+        DeleteHandler {
 
     private DefaultHandler delegatee;
 
@@ -168,4 +171,14 @@ public class DefaultHandlerService implements IOHandler, PropertyHandler, CopyMo
     public boolean move(CopyMoveContext context, DavResource source, DavResource destination) throws DavException {
       return delegatee.move(context, source, destination);
     }
+
+    public boolean delete(DeleteContext deleteContext, DavResource davResource)
+            throws DavException {
+        return delegatee.delete(deleteContext, davResource);
+    }
+
+    public boolean canDelete(DeleteContext deleteContext,
+            DavResource davResource) {
+        return delegatee.canDelete(deleteContext, davResource);
+    }
 }
diff --git a/src/main/java/org/apache/sling/jcr/webdav/impl/handler/SlingDeleteManager.java b/src/main/java/org/apache/sling/jcr/webdav/impl/handler/SlingDeleteManager.java
new file mode 100644
index 0000000..156a720
--- /dev/null
+++ b/src/main/java/org/apache/sling/jcr/webdav/impl/handler/SlingDeleteManager.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache 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.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.apache.sling.jcr.webdav.impl.handler;
+
+import org.apache.jackrabbit.server.io.DeleteHandler;
+import org.apache.jackrabbit.server.io.DeleteManagerImpl;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.component.ComponentContext;
+
+/**
+ * DeleteManager service that uses a ServiceTracker to find available
+ * DeleteHandler.
+ */
+public class SlingDeleteManager extends DeleteManagerImpl {
+
+    private static final DeleteHandler[] DELETEHANDLERS_PROTOTYPE = new DeleteHandler[0];
+    private final SlingHandlerManager<DeleteHandler> handlerManager;
+
+    public SlingDeleteManager(final String referenceName) {
+        handlerManager = new SlingHandlerManager<DeleteHandler>(referenceName);
+    }
+
+    @Override
+    public void addDeleteHandler(DeleteHandler propertyHandler) {
+        throw new UnsupportedOperationException(
+                "This DeleteManager only supports registered DeleteHandler services");
+    }
+
+    @Override
+    public DeleteHandler[] getDeleteHandlers() {
+        return this.handlerManager.getHandlers(DELETEHANDLERS_PROTOTYPE);
+    }
+
+    public void setComponentContext(ComponentContext componentContext) {
+        this.handlerManager.setComponentContext(componentContext);
+    }
+
+    public void bindDeleteHandler(final ServiceReference deleteHandlerReference) {
+        this.handlerManager.bindHandler(deleteHandlerReference);
+    }
+
+    public void unbindDeleteHandler(final ServiceReference deleteHandlerReference) {
+        this.handlerManager.unbindHandler(deleteHandlerReference);
+    }
+
+}
diff --git a/src/main/java/org/apache/sling/jcr/webdav/impl/helper/SlingResourceConfig.java b/src/main/java/org/apache/sling/jcr/webdav/impl/helper/SlingResourceConfig.java
index b0e16da..8f94274 100644
--- a/src/main/java/org/apache/sling/jcr/webdav/impl/helper/SlingResourceConfig.java
+++ b/src/main/java/org/apache/sling/jcr/webdav/impl/helper/SlingResourceConfig.java
@@ -19,6 +19,7 @@
 package org.apache.sling.jcr.webdav.impl.helper;
 
 import org.apache.jackrabbit.server.io.CopyMoveManager;
+import org.apache.jackrabbit.server.io.DeleteManager;
 import org.apache.jackrabbit.server.io.IOManager;
 import org.apache.jackrabbit.server.io.PropertyManager;
 import org.apache.jackrabbit.webdav.simple.DefaultItemFilter;
@@ -48,6 +49,8 @@ public class SlingResourceConfig extends ResourceConfig {
 
     private final CopyMoveManager copyMoveManager;
 
+    private final DeleteManager deleteManager;
+
     private final String servletContextPath;
 
     private final Dictionary<String, String> servletInitParams;
@@ -56,11 +59,13 @@ public class SlingResourceConfig extends ResourceConfig {
             Dictionary<?, ?> config,
             IOManager ioManager,
             PropertyManager propertyManager,
-            CopyMoveManager copyMoveManager) {
+            CopyMoveManager copyMoveManager,
+            DeleteManager deleteManager) {
         super(new SlingTikaDetector(mimeTypeService));
         this.ioManager = ioManager;
         this.propertyManager = propertyManager;
         this.copyMoveManager = copyMoveManager;
+        this.deleteManager = deleteManager;
         collectionTypes = OsgiUtil.toStringArray(
             config.get(SlingWebDavServlet.COLLECTION_TYPES),
             SlingWebDavServlet.COLLECTION_TYPES_DEFAULT);
@@ -126,6 +131,11 @@ public class SlingResourceConfig extends ResourceConfig {
     }
 
     @Override
+    public DeleteManager getDeleteManager() {
+        return deleteManager;
+    }
+
+    @Override
     public boolean isCollectionResource(Item item) {
         if (item.isNode()) {
             Node node = (Node) item;
diff --git a/src/main/java/org/apache/sling/jcr/webdav/impl/servlets/SlingWebDavServlet.java b/src/main/java/org/apache/sling/jcr/webdav/impl/servlets/SlingWebDavServlet.java
index c031a98..cdd488e 100644
--- a/src/main/java/org/apache/sling/jcr/webdav/impl/servlets/SlingWebDavServlet.java
+++ b/src/main/java/org/apache/sling/jcr/webdav/impl/servlets/SlingWebDavServlet.java
@@ -37,6 +37,7 @@ import org.apache.felix.scr.annotations.References;
 import org.apache.felix.scr.annotations.Service;
 import org.apache.jackrabbit.server.SessionProvider;
 import org.apache.jackrabbit.server.io.CopyMoveHandler;
+import org.apache.jackrabbit.server.io.DeleteHandler;
 import org.apache.jackrabbit.server.io.IOHandler;
 import org.apache.jackrabbit.server.io.PropertyHandler;
 import org.apache.jackrabbit.webdav.DavException;
@@ -47,6 +48,7 @@ import org.apache.jackrabbit.webdav.simple.SimpleWebdavServlet;
 import org.apache.sling.commons.mime.MimeTypeService;
 import org.apache.sling.jcr.api.SlingRepository;
 import org.apache.sling.jcr.webdav.impl.handler.SlingCopyMoveManager;
+import org.apache.sling.jcr.webdav.impl.handler.SlingDeleteManager;
 import org.apache.sling.jcr.webdav.impl.handler.SlingIOManager;
 import org.apache.sling.jcr.webdav.impl.handler.SlingPropertyManager;
 import org.apache.sling.jcr.webdav.impl.helper.SlingLocatorFactory;
@@ -76,7 +78,8 @@ import org.osgi.service.http.NamespaceException;
     @References({
         @Reference(name = SlingWebDavServlet.IOHANDLER_REF_NAME, referenceInterface = IOHandler.class, cardinality = ReferenceCardinality.OPTIONAL_MULTIPLE, policy = ReferencePolicy.DYNAMIC),
         @Reference(name = SlingWebDavServlet.PROPERTYHANDLER_REF_NAME, referenceInterface = PropertyHandler.class, cardinality = ReferenceCardinality.OPTIONAL_MULTIPLE, policy = ReferencePolicy.DYNAMIC),
-        @Reference(name = SlingWebDavServlet.COPYMOVEHANDLER_REF_NAME, referenceInterface = CopyMoveHandler.class, cardinality = ReferenceCardinality.OPTIONAL_MULTIPLE, policy = ReferencePolicy.DYNAMIC)
+        @Reference(name = SlingWebDavServlet.COPYMOVEHANDLER_REF_NAME, referenceInterface = CopyMoveHandler.class, cardinality = ReferenceCardinality.OPTIONAL_MULTIPLE, policy = ReferencePolicy.DYNAMIC),
+        @Reference(name = SlingWebDavServlet.DELETEHANDLER_REF_NAME, referenceInterface = DeleteHandler.class, cardinality = ReferenceCardinality.OPTIONAL_MULTIPLE, policy = ReferencePolicy.DYNAMIC)
 })
 public class SlingWebDavServlet extends SimpleWebdavServlet {
 
@@ -136,6 +139,8 @@ public class SlingWebDavServlet extends SimpleWebdavServlet {
 
     static final String COPYMOVEHANDLER_REF_NAME = "CopyMoveHandler";
 
+    static final String DELETEHANDLER_REF_NAME = "DeleteHandler";
+
     @Reference
     private SlingRepository repository;
 
@@ -154,6 +159,9 @@ public class SlingWebDavServlet extends SimpleWebdavServlet {
     private final SlingCopyMoveManager copyMoveManager = new SlingCopyMoveManager(
         COPYMOVEHANDLER_REF_NAME);
 
+    private final SlingDeleteManager deleteManager = new SlingDeleteManager(
+            DELETEHANDLER_REF_NAME);
+
     private SlingResourceConfig resourceConfig;
 
     private DavLocatorFactory locatorFactory;
@@ -221,12 +229,14 @@ public class SlingWebDavServlet extends SimpleWebdavServlet {
         this.ioManager.setComponentContext(context);
         this.propertyManager.setComponentContext(context);
         this.copyMoveManager.setComponentContext(context);
+        this.deleteManager.setComponentContext(context);
 
         resourceConfig = new SlingResourceConfig(mimeTypeService,
             context.getProperties(),
             ioManager,
             propertyManager,
-            copyMoveManager);
+            copyMoveManager,
+            deleteManager);
 
         // Register servlet, and set the contextPath field to signal successful
         // registration
@@ -267,6 +277,7 @@ public class SlingWebDavServlet extends SimpleWebdavServlet {
     }
 
     public void bindCopyMoveHandler(final ServiceReference copyMoveHandlerReference) {
+
         this.copyMoveManager.bindCopyMoveHandler(copyMoveHandlerReference);
     }
 
@@ -274,6 +285,14 @@ public class SlingWebDavServlet extends SimpleWebdavServlet {
         this.copyMoveManager.unbindCopyMoveHandler(copyMoveHandlerReference);
     }
 
+    public void bindDeleteHandler(final ServiceReference deleteHandlerReference) {
+        this.deleteManager.bindDeleteHandler(deleteHandlerReference);
+    }
+
+    public void unbindDeleteHandler(final ServiceReference deleteHandlerReference) {
+        this.deleteManager.unbindDeleteHandler(deleteHandlerReference);
+    }
+
     /** Overridden as the base class uses sendError that we don't want (SLING-2443) */
     @Override
     protected void sendUnauthorized(WebdavRequest request, WebdavResponse response, DavException error) throws IOException {

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