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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
Default.java | 0% | 0% | 0% | 0% |
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// Copyright 2004, 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.tapestry.bean;
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import org.apache.tapestry.IBinding;
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/**
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* A helper bean to assist with providing defaults for unspecified
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* parameters. It is initalized
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* with an {@link IBinding} and a default value. It's value property
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* is either the value of the binding, but if the binding is null,
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* or the binding returns null, the default value is returned.
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*
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* @author Howard Lewis Ship
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* @since 1.0.5
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*
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**/
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public class Default |
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{ |
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private IBinding binding;
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private Object defaultValue;
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public void resetForPool() |
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{ |
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binding = null;
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defaultValue = null;
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} |
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public void setBinding(IBinding value) |
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{ |
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binding = value; |
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} |
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public IBinding getBinding()
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{ |
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return binding;
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} |
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public void setDefaultValue(Object value) |
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{ |
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defaultValue = value; |
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} |
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public Object getDefaultValue()
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{ |
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return defaultValue;
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} |
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/**
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* Returns the value of the binding. However, if the binding is null, or the binding
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* returns null, then the defaultValue is returned instead.
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*
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**/
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public Object getValue()
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{ |
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if (binding == null) |
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return defaultValue;
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Object value = binding.getObject(); |
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if (value == null) |
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return defaultValue;
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return value;
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} |
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/** @since 3.0 **/
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public void discardFromPool() |
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{ |
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} |
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} |
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