Package org.apache.openmeetings.converter

Source Code of org.apache.openmeetings.converter.GenerateImage

/*
* 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.openmeetings.converter;

import static org.apache.openmeetings.util.OmFileHelper.bigImagePrefix;
import static org.apache.openmeetings.util.OmFileHelper.chatImagePrefix;
import static org.apache.openmeetings.util.OmFileHelper.getUploadProfilesUserDir;
import static org.apache.openmeetings.util.OmFileHelper.JPG_EXTENTION;
import static org.apache.openmeetings.util.OmFileHelper.profileFileName;
import static org.apache.openmeetings.util.OmFileHelper.profileImagePrefix;
import static org.apache.openmeetings.util.OmFileHelper.thumbImagePrefix;
import static org.apache.openmeetings.util.OpenmeetingsVariables.webAppRootKey;

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

import org.apache.commons.transaction.util.FileHelper;
import org.apache.openmeetings.db.dao.user.UserDao;
import org.apache.openmeetings.db.entity.user.User;
import org.apache.openmeetings.util.OmFileHelper;
import org.apache.openmeetings.util.process.ConverterProcessResult;
import org.apache.openmeetings.util.process.ConverterProcessResultList;
import org.apache.openmeetings.util.process.ProcessHelper;
import org.red5.logging.Red5LoggerFactory;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;

public class GenerateImage extends BaseConverter {

  private static final Logger log = Red5LoggerFactory.getLogger(GenerateImage.class, webAppRootKey);

  @Autowired
  private UserDao usersDao;
  @Autowired
  private GenerateThumbs generateThumbs;

  public ConverterProcessResultList convertImage(String fileName, String fileExt,
      String roomName, String fileNameShort, boolean fullProcessing)
      throws Exception {

    ConverterProcessResultList returnMap = new ConverterProcessResultList();

    File fileFullPath = new File(OmFileHelper.getUploadTempRoomDir(roomName), fileName + fileExt);

    File destinationFile = OmFileHelper.getNewFile(OmFileHelper.getUploadRoomDir(roomName), fileName, ".jpg");

    log.debug("##### convertImage destinationFile: " + destinationFile);

    ConverterProcessResult processJPG = convertSingleJpg(fileFullPath.getCanonicalPath(), destinationFile);
    ConverterProcessResult processThumb = generateThumbs.generateThumb(thumbImagePrefix, destinationFile, 50);

    returnMap.addItem("processJPG", processJPG);
    returnMap.addItem("processThumb", processThumb);

    // Delete old one
    fileFullPath.delete();

    return returnMap;
  }

  public ConverterProcessResultList convertImageUserProfile(File file, Long users_id, boolean skipConvertion) throws Exception {
    ConverterProcessResultList returnMap = new ConverterProcessResultList();
   
    // User Profile Update
    for (File f : getUploadProfilesUserDir(users_id).listFiles(new FileFilter() {
      public boolean accept(File pathname) {
        return pathname.getName().endsWith(JPG_EXTENTION);
      }
    })) {
      FileHelper.removeRec(f);
    }
   
    File destinationFile = OmFileHelper.getNewFile(getUploadProfilesUserDir(users_id), profileFileName, JPG_EXTENTION);
    if (!skipConvertion) {
      returnMap.addItem("processJPG", convertSingleJpg(file.getCanonicalPath(), destinationFile));
    } else {
      FileHelper.copy(file, destinationFile);
    }
    returnMap.addItem("processThumb1", generateThumbs.generateThumb(chatImagePrefix, destinationFile, 40));
    returnMap.addItem("processThumb2", generateThumbs.generateThumb(profileImagePrefix, destinationFile, 126));
    returnMap.addItem("processThumb3", generateThumbs.generateThumb(bigImagePrefix, destinationFile, 240));

    if (!skipConvertion) {
      // Delete old one
      file.delete();
    }

    String pictureuri = destinationFile.getName();
    User us = usersDao.get(users_id);
    us.setUpdatetime(new java.util.Date());
    us.setPictureuri(pictureuri);
    usersDao.update(us, users_id);

    //FIXME: After uploading a new picture all other clients should refresh
    //scopeApplicationAdapter.updateUserSessionObject(users_id, pictureuri);

    return returnMap;
  }

  /**
   * -density 150 -resize 800
   * @throws IOException
   *
   */
  private ConverterProcessResult convertSingleJpg(String inputFile, File outputfile) throws IOException {
    String[] argv = new String[] { getPathToImageMagick(), inputFile, outputfile.getCanonicalPath() };

    return ProcessHelper.executeScript("generateBatchThumbByWidth", argv);
  }

  public ConverterProcessResult convertImageByTypeAndSize(String inputFile,
      String outputfile, int width, int height) {
    String[] argv = new String[] { getPathToImageMagick(), "-size",
        width + "x" + height, inputFile, outputfile };
    return ProcessHelper.executeScript("convertImageByTypeAndSizeAndDepth", argv);
  }

  public ConverterProcessResult convertImageByTypeAndSizeAndDepth(
      String inputFile, String outputfile, int width, int height,
      int depth) {
    String[] argv = new String[] { getPathToImageMagick(), "-size",
        width + "x" + height, "-depth", Integer.toString(depth),
        inputFile, outputfile };
    return ProcessHelper.executeScript("convertImageByTypeAndSizeAndDepth", argv);
  }

}
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