com.gelecekonline.web.UploadController.java Source code

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Here is the source code for com.gelecekonline.web.UploadController.java

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/*******************************************************************************
 * Copyright 2012 Muharrem Tac
 * 
 * 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 com.gelecekonline.web;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.servlet.http.HttpServletRequest;

import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.commons.CommonsMultipartFile;

import com.gelecekonline.web.model.Talep;
import com.gelecekonline.web.model.Yanit;

@Controller
public class UploadController {

    /**
     * rneimizde dizin adi C:/uploadornek olarak belirlendi ancak siz bu dizin adini degistirebilirsiniz
     */
    private static final String DIZIN_ADI = "C:/uploadornek";

    /**
     * API'ye Android uygulamasi tarafindan soyle erisilecektir: http://localhost:8080/uploadserver/api/upload
     * @param talep
     * @param result
     * @param request
     * @return
     */
    @RequestMapping("/api/upload")
    @ResponseBody
    public Yanit uploadGonder(Talep talep, BindingResult result, HttpServletRequest request) {

        Yanit yanit = null;
        try {
            /**
             * Istemci tarafindan gonderilen dosyanin da ayni isimde bir veri icermesi gerekiyor.Yani "dosya" ve "dosyaAdi" seklinde gonderilmelidir
             * dosyaAdi ile istemciden sunucuya Android cihazdaki dosya adini da gonderebiliyoruz. Bunun yaninda Talep nesnesine
             * baska parametreler ekleyerek cok sayida bilgi de gonderebiliriz
             */
            String dosyaAdi = talep.getDosyaAdi();
            CommonsMultipartFile dosya = talep.getDosya();
            if (dosya != null) {
                InputStream inputStream = dosya.getInputStream();
                File dizin = new File(DIZIN_ADI);
                if (!dizin.exists()) {
                    System.out.println("dizin yoktu, olusturuluyor: " + DIZIN_ADI);
                    boolean res = dizin.mkdir();
                    if (res) {
                        System.out.println("dizin yaratildi");
                    }

                }
                OutputStream out = new FileOutputStream(new File(DIZIN_ADI + "/" + dosyaAdi));
                int read = 0;
                byte[] bytes = new byte[1024];

                while ((read = inputStream.read(bytes)) != -1) {
                    out.write(bytes, 0, read);
                }
                inputStream.close();
                out.flush();
                out.close();
                yanit = new Yanit();
                yanit.setYanitMesaji("Upload gerceklesti");
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        return yanit;

    }
}