src/web/org/codehaus/groovy/grails/web/binding/CurrencyEditor.java

   1 /* Copyright 2004-2005 the original author or authors.
   2  *
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at
   6  *
   7  *      http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15 package org.codehaus.groovy.grails.web.binding;
  16
  17 import org.apache.commons.lang.StringUtils;
  18
  19 import java.beans.PropertyEditorSupport;
  20 import java.util.Currency;
  21
  22 /**
  23  * A Property editor for converting instances of java.util.Currency
  24  *
  25  * @author Graeme Rocher
  26  * @since 14-Feb-2006
  27  */
  28 public class CurrencyEditor extends PropertyEditorSupport {
  29     public void setAsText(String text) throws IllegalArgumentException {
  30         if(StringUtils.isBlank(text)) {
  31             setValue(null);
  32         }
  33         try {
  34             setValue(Currency.getInstance(text));
  35         } catch (IllegalArgumentException e) {
  36             // ignore and just set to null
  37             setValue(null);
  38         }
  39     }
  40
  41     public String getAsText() {
  42         Currency c = (Currency)getValue();
  43         if(c == null) {
  44             return "";
  45         }
  46         else {
  47             return c.getCurrencyCode();
  48         }
  49     }
  50 }