photark-jcr/src/main/java/org/apache/photark/upload/PhotoUploadServlet.java

/*
 * 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.photark.upload;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;

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.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.photark.Image;
import org.apache.photark.services.album.Album;
import org.apache.photark.services.album.jcr.AlbumImpl;
import org.apache.photark.services.gallery.Gallery;
import org.apache.photark.services.gallery.jcr.GalleryImpl;

public class PhotoUploadServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
    public static final long MAX_UPLOAD_ZIP_IN_MEGS = 30;

    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
        doPost(request, response);
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
        response.setContentType("text/html");

        boolean isMultipartContent = ServletFileUpload.isMultipartContent(request);
        if (!isMultipartContent) {
            return;
        }

        FileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        upload.setSizeMax(MAX_UPLOAD_ZIP_IN_MEGS * 1024 * 1024);

        try {
            List<FileItem> fields = upload.parseRequest(request);
            System.out.println("Number of fields: " + fields.size());
            Iterator<FileItem> it = fields.iterator();

            if (!it.hasNext()) {
                System.out.println("No fields found");
                return;
            }

            String albumName = "";
            StringBuffer sb = new StringBuffer();
            while (it.hasNext()) {
                FileItem fileItem = it.next();

                if (fileItem.getFieldName().equalsIgnoreCase("albumname")) {
                    albumName = fileItem.getString();
                }
                boolean isFormField = fileItem.isFormField();
                
                if (!isFormField) {
                    String fileName = fileItem.getName();
                    System.out.println("fileName:"+fileName);
                    InputStream inStream = fileItem.getInputStream();

                    FileUploader uploader = new FileUploader();
                    List<Image> pictures = uploader.uploadFile(new BufferedInputStream(inStream), fileName);

                    for (Image picture : pictures) {
                        addPictureToAlbum(albumName, picture);
                    }
                    sb.append("file=uploaded/" + fileName);
                    sb.append(",name=" + fileName);
                    sb.append(",error=Not recognized file type");
                }
            }
            PrintWriter out = response.getWriter();
            out.write(sb.toString());

        } catch (FileUploadException e) {
            System.out.println("Error: " + e.getMessage());
            e.printStackTrace();
        } catch (Exception e) {
            System.out.println("Error: " + e.getMessage());
            e.printStackTrace();
        }
    }

    /**
     * @param albumName String
     * @param picture Picture
     */
    private void addPictureToAlbum(String albumName, Image image) {
    	Gallery gallery = new GalleryImpl();
    	gallery.addAlbum(albumName);
        Album album = new AlbumImpl(albumName);
        album.addPicture(image);
    }
}