apiserver.services.pdf.controllers.MergeController.java Source code

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Here is the source code for apiserver.services.pdf.controllers.MergeController.java

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package apiserver.services.pdf.controllers;

/*******************************************************************************
 Copyright (c) 2013 Mike Nimer.
    
 This file is part of ApiServer Project.
    
 The ApiServer Project is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
    
 The ApiServer Project is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
    
 You should have received a copy of the GNU General Public License
 along with the ApiServer Project.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

import apiserver.core.common.ResponseEntityHelper;
import apiserver.core.connectors.coldfusion.services.BinaryJob;
import apiserver.services.cache.model.Document;
import apiserver.services.pdf.gateways.PdfGateway;
import apiserver.services.pdf.gateways.jobs.MergePdfJob;
import com.wordnik.swagger.annotations.Api;
import com.wordnik.swagger.annotations.ApiOperation;
import com.wordnik.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestPart;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.Map;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
 * User: mnimer
 * Date: 9/15/12
 */
@Controller
@RestController
@Api(value = "/pdf", description = "[PDF]")
@RequestMapping("/pdf")
public class MergeController {
    @Qualifier("mergePdfFormApiGateway")
    @Autowired
    public PdfGateway gateway;

    private @Value("#{applicationProperties.defaultReplyTimeout}") Integer defaultTimeout;

    /**
     * Merge two pdf files into one.
     * @param file1
     * @param file2
     * @return
     * @throws InterruptedException
     * @throws java.util.concurrent.ExecutionException
     * @throws java.util.concurrent.TimeoutException
     * @throws java.io.IOException
     * @throws Exception
     */
    @ApiOperation(value = "Merge two pdf files into one.")
    @RequestMapping(value = "/merge", method = RequestMethod.POST, produces = "application/pdf")
    public ResponseEntity<byte[]> mergePdfDocuments(
            @ApiParam(name = "file1", required = true) @RequestPart("file1") MultipartFile file1,
            @ApiParam(name = "file2", required = true) @RequestPart("file2") MultipartFile file2)
            throws InterruptedException, ExecutionException, TimeoutException, IOException, Exception {
        MergePdfJob job = new MergePdfJob();
        job.setFile1(new Document(file1));
        job.setFile2(new Document(file2));

        Future<Map> future = gateway.mergePdf(job);
        BinaryJob payload = (BinaryJob) future.get(defaultTimeout, TimeUnit.MILLISECONDS);

        byte[] fileBytes = payload.getPdfBytes();
        String contentType = "application/pdf";
        ResponseEntity<byte[]> result = ResponseEntityHelper.processFile(fileBytes, contentType, false);
        return result;
    }

}