| package org.apache.turbine.services.intake.model; |
| |
| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001-2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache Turbine" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache Turbine", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| import org.apache.commons.lang.StringUtils; |
| |
| import org.apache.turbine.services.intake.IntakeException; |
| import org.apache.turbine.services.intake.validator.DoubleValidator; |
| import org.apache.turbine.services.intake.xmlmodel.XmlField; |
| |
| /** |
| * Creates Double Field objects. |
| * |
| * @deprecated Use the Fulcrum Intake component instead. |
| * @version $Id$ |
| */ |
| public class DoubleField |
| extends Field |
| { |
| /** |
| * Constructor. |
| * |
| * @param field xml field definition object |
| * @param group xml group definition object |
| * @throws IntakeException thrown by superclass |
| */ |
| public DoubleField(XmlField field, Group group) |
| throws IntakeException |
| { |
| super(field, group); |
| } |
| |
| /** |
| * Sets the default value for a Double Field |
| * |
| * @param prop Parameter for the default values |
| */ |
| public void setDefaultValue(String prop) |
| { |
| defaultValue = null; |
| |
| if (prop == null) |
| { |
| return; |
| } |
| |
| defaultValue = new Double(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-existant. |
| * |
| * @param prop The value to use if the field is empty. |
| */ |
| public void setEmptyValue(String prop) |
| { |
| emptyValue = null; |
| |
| if (prop == null) |
| { |
| return; |
| } |
| |
| emptyValue = new Double(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. |
| */ |
| protected Object getSafeEmptyValue() |
| { |
| if (isMultiValued) |
| { |
| return new double[0]; |
| } |
| else |
| { |
| return (null == getEmptyValue()) |
| ? new Double(0.0) : getEmptyValue(); |
| } |
| } |
| |
| /** |
| * A suitable validator. |
| * |
| * @return A suitable validator |
| */ |
| protected String getDefaultValidator() |
| { |
| return DoubleValidator.class.getName(); |
| } |
| |
| /** |
| * Sets the value of the field from data in the parser. |
| */ |
| protected void doSetValue() |
| { |
| if (isMultiValued) |
| { |
| String[] inputs = parser.getStrings(getKey()); |
| double[] values = new double[inputs.length]; |
| for (int i = 0; i < inputs.length; i++) |
| { |
| values[i] = StringUtils.isNotEmpty(inputs[i]) |
| ? new Double(inputs[i]).doubleValue() |
| : ((Double) getEmptyValue()).doubleValue(); |
| } |
| setTestValue(values); |
| } |
| else |
| { |
| String val = parser.getString(getKey()); |
| setTestValue(StringUtils.isNotEmpty(val) |
| ? new Double(val) : (Double) getEmptyValue()); |
| } |
| } |
| |
| } |