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[lgpl/argeo-commons.git] / org.argeo.server.jcr.mvc / src / org / argeo / jackrabbit / remote / IOHandlerWrapper.java

diff --git a/org.argeo.server.jcr.mvc/src/org/argeo/jackrabbit/remote/IOHandlerWrapper.java b/org.argeo.server.jcr.mvc/src/org/argeo/jackrabbit/remote/IOHandlerWrapper.java
new file mode 100644 (file)
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+++ b/org.argeo.server.jcr.mvc/src/org/argeo/jackrabbit/remote/IOHandlerWrapper.java
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+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed 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.argeo.jackrabbit.remote;
+
+import java.io.IOException;
+
+import org.apache.jackrabbit.server.io.ExportContext;
+import org.apache.jackrabbit.server.io.IOHandler;
+import org.apache.jackrabbit.server.io.IOManager;
+import org.apache.jackrabbit.server.io.ImportContext;
+import org.apache.jackrabbit.webdav.DavResource;
+import org.argeo.ArgeoException;
+
+/** Wraps an IOHandler so that it can be injected a posteriori */
+public class IOHandlerWrapper implements IOHandler {
+       private IOManager ioManager = null;
+       private IOHandler ioHandler = null;
+
+       public void setIOHandler(IOHandler ioHandler) {
+               if ((this.ioHandler != null) && (ioHandler != null))
+                       throw new ArgeoException(
+                                       "There is already an IO Handler registered");
+               this.ioHandler = ioHandler;
+               if (ioManager != null && this.ioHandler != null)
+                       ioHandler.setIOManager(ioManager);
+       }
+
+       public IOHandler getIOHandler() {
+               return ioHandler;
+       }
+
+       public IOManager getIOManager() {
+               return ioManager;
+       }
+
+       public void setIOManager(IOManager ioManager) {
+               this.ioManager = ioManager;
+               if (ioHandler != null)
+                       ioHandler.setIOManager(ioManager);
+       }
+
+       public String getName() {
+               if (ioHandler != null)
+                       return ioHandler.getName();
+               else
+                       return "Empty IOHandler Wrapper";
+       }
+
+       public boolean canImport(ImportContext context, boolean isCollection) {
+               if (ioHandler != null)
+                       return ioHandler.canImport(context, isCollection);
+               return false;
+       }
+
+       public boolean canImport(ImportContext context, DavResource resource) {
+               if (ioHandler != null)
+                       return ioHandler.canImport(context, resource);
+               return false;
+       }
+
+       public boolean importContent(ImportContext context, boolean isCollection)
+                       throws IOException {
+               if (ioHandler != null)
+                       ioHandler.importContent(context, isCollection);
+               return false;
+       }
+
+       public boolean importContent(ImportContext context, DavResource resource)
+                       throws IOException {
+               if (ioHandler != null)
+                       ioHandler.importContent(context, resource);
+               return false;
+       }
+
+       public boolean canExport(ExportContext context, boolean isCollection) {
+               if (ioHandler != null)
+                       ioHandler.canExport(context, isCollection);
+               return false;
+       }
+
+       public boolean canExport(ExportContext context, DavResource resource) {
+               if (ioHandler != null)
+                       ioHandler.canExport(context, resource);
+               return false;
+       }
+
+       public boolean exportContent(ExportContext context, boolean isCollection)
+                       throws IOException {
+               if (ioHandler != null)
+                       ioHandler.exportContent(context, isCollection);
+               return false;
+       }
+
+       public boolean exportContent(ExportContext context, DavResource resource)
+                       throws IOException {
+               if (ioHandler != null)
+                       ioHandler.exportContent(context, resource);
+               return false;
+       }
+
+}