| package org.apache.fulcrum.intake.model; |
| |
| /* |
| * 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. |
| */ |
| |
| import org.apache.fulcrum.intake.IntakeException; |
| import org.apache.fulcrum.intake.validator.IntegerValidator; |
| |
| /** |
| * Processor for int fields. |
| * |
| * @version $Id$ |
| */ |
| public class IntegerField |
| extends Field<Integer> |
| { |
| /** Serial version */ |
| private static final long serialVersionUID = -4186153269451228653L; |
| |
| /** |
| * Constructor. |
| * |
| * @param field xml field definition object |
| * @param group xml group definition object |
| * @throws IntakeException thrown by superclass |
| */ |
| public IntegerField(XmlField field, Group group) |
| throws IntakeException |
| { |
| super(field, group); |
| } |
| |
| /** |
| * Sets the default value for an Integer Field |
| * |
| * @param prop Parameter for the default values |
| */ |
| @Override |
| public void setDefaultValue(String prop) |
| { |
| defaultValue = null; |
| |
| if (prop == null) |
| { |
| return; |
| } |
| |
| defaultValue = Integer.valueOf(prop); |
| } |
| |
| /** |
| * Set the empty Value. This value is used if Intake |
| * maps a field to a parameter returned by the user and |
| * the corresponding field is either empty (empty string) |
| * or non-existent. |
| * |
| * @param prop The value to use if the field is empty. |
| */ |
| @Override |
| public void setEmptyValue(String prop) |
| { |
| emptyValue = null; |
| |
| if (prop == null) |
| { |
| return; |
| } |
| |
| emptyValue = Integer.valueOf(prop); |
| } |
| |
| /** |
| * Provides access to emptyValue such that the value returned will be |
| * acceptable as an argument parameter to Method.invoke. Subclasses |
| * that deal with primitive types should ensure that they return an |
| * appropriate value wrapped in the object wrapper class for the |
| * primitive type. |
| * |
| * @return the value to use when the field is empty or an Object that |
| * wraps the empty value for primitive types. |
| */ |
| @Override |
| protected Object getSafeEmptyValue() |
| { |
| if (isMultiValued()) |
| { |
| return new int[0]; |
| } |
| else |
| { |
| return (null == getEmptyValue()) |
| ? Integer.valueOf(0) : getEmptyValue(); |
| } |
| } |
| |
| /** |
| * A suitable validator. |
| * |
| * @return A suitable validator |
| */ |
| @Override |
| protected String getDefaultValidator() |
| { |
| return IntegerValidator.class.getName(); |
| } |
| |
| /** |
| * Sets the value of the field from data in the parser. |
| */ |
| @Override |
| protected void doSetValue() |
| { |
| if (isMultiValued()) |
| { |
| Integer[] inputs = parser.getIntObjects(getKey()); |
| int[] values = new int[inputs.length]; |
| |
| for (int i = 0; i < inputs.length; i++) |
| { |
| values[i] = inputs[i] == null |
| ? (getEmptyValue()).intValue() |
| : inputs[i].intValue(); |
| } |
| |
| setTestValue(values); |
| } |
| else |
| { |
| setTestValue(parser.getIntObject(getKey(), getEmptyValue())); |
| } |
| } |
| |
| } |