eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/element/NumberWithLabelElement.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.ui.element;
  10
  11 import org.apache.commons.lang3.StringUtils;
  12
  13 /**
  14  * <p>NumberWithLabelElement class.</p>
  15  *
  16  * @author n.hoffmann
  17  * @created Mar 22, 2010
  18  */
  19 public abstract class NumberWithLabelElement extends TextWithLabelElement {
  20
  21
  22         protected NumberFormatException exception;
  23
  24         /**
  25          * <p>Constructor for NumberWithLabelElement.</p>
  26          *
  27          * @param toolkit a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory} object.
  28          * @param parentElement a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement} object.
  29          * @param labelString a {@link java.lang.String} object.
  30          * @param initialNumber a {@link java.lang.Number} object.
  31          * @param style a int.
  32          */
  33         public NumberWithLabelElement(CdmFormFactory toolkit,
  34                         ICdmFormElement parentElement, String labelString,
  35                         Number initialNumber, int style) {
  36                 super(toolkit, parentElement, labelString, null, null, style);
  37                 setNumber(initialNumber);
  38         }
  39
  40         /**
  41      * <p>Constructor for NumberWithLabelElement.</p>
  42      *
  43      * @param toolkit a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory} object.
  44      * @param parentElement a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement} object.
  45      * @param labelString a {@link java.lang.String} object.
  46      * @param initialNumber a {@link java.lang.Number} object.
  47      * @param style a int.
  48      */
  49     public NumberWithLabelElement(CdmFormFactory toolkit,
  50             ICdmFormElement parentElement, String labelString,
  51             Number initialNumber, Integer height, Integer length, int style) {
  52         super(toolkit, parentElement, labelString, null, null, style);
  53         setNumber(initialNumber);
  54     }
  55
  56
  57         /**
  58          * <p>setNumber</p>
  59          *
  60          * @param number a {@link java.lang.Number} object.
  61          */
  62         public void setNumber(Number number) {
  63                 super.setText(getStringRepresentation(number));
  64         }
  65
  66         /**
  67          * Get the value of this field as an {@link Integer}.
  68          * @return the Integer value or null if {@link NumberFormatException} occurs.
  69          */
  70         public Integer getInteger() {
  71             if(super.getText()!=null){
  72                 String text = super.getText().trim();
  73                 try {
  74                     return StringUtils.isBlank(text) ? null : new Integer(text);
  75                 } catch (NumberFormatException e) {
  76                     exception = e;
  77                 }
  78             }
  79                 return null;
  80         }
  81
  82         /**
  83          * Get the value of this field as a {@link Float}.
  84          * @return the Float value or null if {@link NumberFormatException} occurs.
  85          */
  86         public Float getFloat(){
  87             String text = super.getText();
  88             try {
  89                 return StringUtils.isBlank(text) ? null : new Float(text);
  90             } catch (NumberFormatException e) {
  91                 exception = e;
  92             }
  93             return null;
  94         }
  95
  96         /**
  97          * Get the value of this field as an {@link Double}.
  98          * @return the Double value or null if {@link NumberFormatException} occurs.
  99          */
 100         public Double getDouble(){
 101             String text = super.getText();
 102             try {
 103                 return StringUtils.isBlank(text) ? null : new Double(text);
 104             } catch (NumberFormatException e) {
 105                 exception = e;
 106             }
 107             return null;
 108         }
 109
 110         private String getStringRepresentation(Object number){
 111                 if(number != null){
 112                         return number.toString();
 113                 }
 114                 return null;
 115         }
 116
 117
 118
 119
 120
 121         /**
 122          * <p>Getter for the field <code>exception</code>.</p>
 123          *
 124          * @return the exception
 125          */
 126         public NumberFormatException getException() {
 127                 return exception;
 128         }
 129 }