Coverage Summary for Class: FolderGenerator (org.kitodo.forms)

 /*
  * (c) Kitodo. Key to digital objects e. V. <contact@kitodo.org>
  *
  * This file is part of the Kitodo project.
  *
  * It is licensed under GNU General Public License version 3 or later.
  *
  * For the full copyright and license information, please read the
  * GPL3-License.txt file that was distributed with this source code.
  */
 
 package org.kitodo.forms;
 
 import java.util.Objects;
 
 import org.kitodo.data.database.beans.Folder;
 
 /**
  * An encapsulation to access the generator properties of the folder.
  */
 public class FolderGenerator {
     /**
      * Generator method that changes the DPI of an image.
      */
     private static final String CHANGE_DPI = "changeDpi";
 
     /**
      * Generator method that creates a derivative for an image.
      */
     private static final String CREATE_DERIVATIVE = "createDerivative";
 
     /**
      * Generator method that changes the size (in pixel) of the image.
      */
     private static final String GET_SIZED_WEB_IMAGE = "getSizedWebImage";
 
     /**
      * Multiplier used to display percentage.
      */
     private static final double PERCENT = 100.0d;
 
     /**
      * Image resoulution in DPI.
      */
     private int dpi = 300;
 
     /**
      * Scale factor.
      */
     private double factor = 1.00d;
 
     /**
      * {@code Folder.this}.
      */
     private final Folder folder;
 
     /**
      * Image width in pixels.
      */
     private int width = 150;
 
     /**
      * Creates a new generator for this folder.
      *
      * @param folder
      *            {@code Folder.this}
      */
     public FolderGenerator(Folder folder) {
         this.folder = folder;
         if (Objects.nonNull(folder)) {
             this.width = folder.getImageSize().orElse(width);
             this.factor = folder.getDerivative().orElse(factor);
             this.dpi = folder.getDpi().orElse(dpi);
         }
     }
 
     /**
      * Returns the image resolution in DPI.
      *
      * @return the DPI
      */
     public int getDpi() {
         return dpi;
     }
 
     /**
      * Returns the scale factor to set.
      *
      * @return the scale factor
      */
     public double getFactor() {
         return factor * PERCENT;
     }
 
     /**
      * Returns the selected generator method.
      *
      * @return the generator methodd
      */
     public String getMethod() {
         if (folder.getDerivative().isPresent()) {
             return CREATE_DERIVATIVE;
         } else if (folder.getDpi().isPresent()) {
             return CHANGE_DPI;
         } else if (folder.getImageSize().isPresent()) {
             return GET_SIZED_WEB_IMAGE;
         } else {
             return "";
         }
     }
 
     /**
      * Sets the image width in pixels.
      *
      * @return the image width
      */
     public int getWidth() {
         return width;
     }
 
     /**
      * Sets the image resolution in DPI.
      *
      * @param dpi
      *            resolution to set
      */
     public void setDpi(int dpi) {
         this.dpi = dpi;
         setMethod(getMethod());
     }
 
     /**
      * Sets the scale factor.
      *
      * @param factor
      *            scale factor to set
      */
     public void setFactor(double factor) {
         this.factor = factor / PERCENT;
         setMethod(getMethod());
     }
 
     /**
      * Sets the generator method.
      *
      * @param method
      *            method to set
      */
     public void setMethod(String method) {
         folder.setDerivative(method.equals(CREATE_DERIVATIVE) ? factor : null);
         folder.setDpi(method.equals(CHANGE_DPI) ? dpi : null);
         folder.setImageSize(method.equals(GET_SIZED_WEB_IMAGE) ? width : null);
     }
 
     /**
      * Sets the image width in pixels.
      *
      * @param width
      *            image width
      */
     public void setWidth(int width) {
         this.width = width;
         setMethod(getMethod());
     }
 }