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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 | |||||||||||||||
TypeConverterWrapper.java | 100% | 100% | 100% | 100% |
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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.coerce;
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import java.util.Iterator;
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import java.util.List;
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import org.apache.hivemind.lib.util.StrategyRegistry;
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import org.apache.hivemind.lib.util.StrategyRegistryImpl;
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/**
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* A service implementation that works around an
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* {@link org.apache.hivemind.lib.util.StrategyRegistry}. The registry is contructed from a
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* configuration that follows the <code>tapestry.coerce.Converters</code> schema (a List of
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* {@link org.apache.tapestry.coerce.TypeConverterContribution}plus an additional converter for
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* nulls.
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*
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* @author Howard M. Lewis Ship
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* @since 4.0
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*/
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public class TypeConverterWrapper implements TypeConverter |
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{ |
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private StrategyRegistry _registry = new StrategyRegistryImpl(); |
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private List _contributions;
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private TypeConverter _nullConverter;
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public void initializeService() |
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{ |
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Iterator i = _contributions.iterator(); |
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while (i.hasNext())
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{ |
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TypeConverterContribution c = (TypeConverterContribution) i.next(); |
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_registry.register(c.getSubjectClass(), c.getConverter()); |
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} |
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} |
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public Object convertValue(Object value)
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{ |
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if (value == null) |
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{ |
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if (_nullConverter == null) |
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return null; |
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return _nullConverter.convertValue(null); |
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} |
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TypeConverter delegate = (TypeConverter) _registry.getStrategy(value.getClass()); |
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return delegate.convertValue(value);
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} |
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/**
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* Sets the List of {@link org.apache.tapestry.coerce.TypeConverterContribution}s.
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*/
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public void setContributions(List contributions) |
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{ |
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_contributions = contributions; |
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} |
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/**
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* Sets the converter used to convert null.
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*/
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public void setNullConverter(TypeConverter nullConverter) |
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{ |
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_nullConverter = nullConverter; |
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} |
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} |
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