functions.UploadImage.java Source code

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Here is the source code for functions.UploadImage.java

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/*********************************************************************************
 * 
 *   Copyright 2014 BOUSSEJRA Malik Olivier, HALDEBIQUE Geoffroy, ROYER Johan
 *
 *   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 functions;

import java.io.File;
import java.io.IOException;

import models.Image;

import org.apache.commons.io.FileUtils;

import play.Play;
import play.mvc.Http.MultipartFormData.FilePart;

public class UploadImage {

    /**
     * Upload une image sur le serveur.
     * Vrifie au pralable que c'est bien un fichier image.
     * @param filePart : l'image  uploader
     * @return l'image si l'image est valide, null sinon
     */
    public static Image upload(FilePart filePart) throws IOException {
        if (isImage(filePart)) {
            File image = filePart.getFile();
            String fileName = filePart.getFilename();
            Image i = new Image(fileName);
            String path = Play.application().configuration().getString("image.path") + i.image_chemin;
            File destinationFile = new File(path);
            FileUtils.copyFile(image, destinationFile);
            i.save();
            return i;
        } else
            return null;
    }

    /**
     * Vrifie que le fichier est bien une image
     * @param filePart : le fichier que l'on teste
     * @return VRAI ou FAUX
     */
    private static boolean isImage(FilePart filePart) {
        if (filePart != null) {
            return filePart.getContentType().startsWith("image");
        } else {
            return false;
        }
    }
}