/*
    * Copyright 2016-2016 Hippo B.V. (http://www.onehippo.com)
    * 
    * 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 org.onehippo.forge.gallerymagick.core.command;
  
  import java.io.File;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  abstract public class AbstractImageMagickCommandTest extends AbstractMagickCommandTest {
  
      private static Logger log = LoggerFactory.getLogger(AbstractImageMagickCommandTest.class);
  
      private static boolean _convertCommandAvailable;
  
      static {
          final String executableFromSysProp = ImageMagickCommand.getExecutableFromSystemProperty("convert");
  
          if (executableFromSysProp != null) {
              _convertCommandAvailable = new File(executableFromSysProp).exists();
          } else {
              if (!_convertCommandAvailable && new File("/bin/convert").isFile()) {
                  _convertCommandAvailable = true;
              }
              if (!_convertCommandAvailable && new File("/usr/bin/convert").isFile()) {
                  _convertCommandAvailable = true;
              }
              if (!_convertCommandAvailable && new File("/usr/local/bin/convert").isFile()) {
                  _convertCommandAvailable = true;
              }
              if (!_convertCommandAvailable && new File("/opt/local/bin/convert").isFile()) {
                  _convertCommandAvailable = true;
              }
          }
      }
  
      protected static boolean isImageMagickAvailable() {
          if (_convertCommandAvailable) {
              return true;
          }
  
          log.warn("Image Magick convert command not found.");
          return false;
      }
  }