1 files changed, 153 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1-RC4/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/FileServiceImpl.java b/tags/java/sca/1.5.1-RC4/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/FileServiceImpl.java
new file mode 100644
index 0000000000..2adb623876
--- /dev/null
+++ b/tags/java/sca/1.5.1-RC4/modules/domain-manager/src/main/java/org/apache/tuscany/sca/domain/manager/impl/FileServiceImpl.java
@@ -0,0 +1,153 @@
+/*
+ * 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.tuscany.sca.domain.manager.impl;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URLConnection;
+import java.net.URLDecoder;
+import java.util.List;
+import java.util.logging.Logger;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletException;
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.fileupload.FileItem;
+import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.fileupload.servlet.ServletFileUpload;
+import org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Property;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Scope;
+import org.osoa.sca.annotations.Service;
+
+/**
+ * Implementation of a servlet component supporting file upload/download.
+ *
+ * @version $Rev$ $Date$
+ */
+@Scope("COMPOSITE")
+@Service(Servlet.class)
+public class FileServiceImpl extends HttpServlet {
+    private static final long serialVersionUID = -4560385595481971616L;
+    
+    private static final Logger logger = Logger.getLogger(FileServiceImpl.class.getName());
+
+    @Property
+    public String directoryName;
+    
+    @Reference
+    public DomainManagerConfiguration domainManagerConfiguration;
+    
+    private ServletFileUpload upload;
+    
+    /**
+     * Initialize the component.
+     */
+    @Init
+    public void initialize() throws IOException {
+        upload = new ServletFileUpload(new DiskFileItemFactory());
+    }
+    
+    @Override
+    public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
+
+        // Upload files
+        String rootDirectory = domainManagerConfiguration.getRootDirectory();
+        try {
+            for (FileItem item: (List<FileItem>)upload.parseRequest(request)) {
+                if (!item.isFormField()) {
+                    File directory = new File(rootDirectory + "/" + directoryName);
+                    if (!directory.exists()) {
+                        directory.mkdirs();
+                    }
+                    logger.fine("post " + item.getName());
+                    item.write(new File(directory, item.getName()));
+                }
+            }
+            
+            // Redirect to the admin page
+            response.sendRedirect("/ui/files");
+        }
+        catch (Exception e) {
+            throw new IOException(e.toString());
+        }
+    }
+    
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        
+        // Download a file
+        String requestURI = URLDecoder.decode(request.getRequestURI(), "UTF-8");
+        String path = requestURI.substring(request.getServletPath().length());
+        if (path.startsWith("/")) {
+            path = path.substring(1);
+        }
+        logger.fine("get " + path);
+        
+        try {
+            
+            // Analyze the given path
+            URI uri = URI.create(path);
+            String scheme = uri.getScheme();
+            if (scheme == null) {
+
+                // If no scheme is specified then the path identifies file
+                // inside our directory
+                String rootDirectory = domainManagerConfiguration.getRootDirectory();
+                uri = new File(rootDirectory + "/" + directoryName, path).toURI();
+                
+            } else if (!scheme.equals("file")) {
+                
+                // If the scheme does not identify a local file, just redirect to the server
+                // hosting the file
+                response.sendRedirect(path);
+            }
+            
+            // Read the file and write to response 
+            URLConnection connection = uri.toURL().openConnection();
+            connection.setUseCaches(false);
+            connection.connect();
+            InputStream is = connection.getInputStream();
+            ServletOutputStream os = response.getOutputStream();
+            byte[] buffer = new byte[4096];
+            for (;;) {
+                int n = is.read(buffer);
+                if (n < 0) {
+                    break;
+                }
+                os.write(buffer, 0, n);
+            }
+            is.close();
+            os.flush();
+            
+      } catch (FileNotFoundException e) {
+          response.sendError(HttpServletResponse.SC_NOT_FOUND);
+      }
+    }
+    
+}