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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 | |||||||||||||||
ComponentConstructorFactoryImpl.java | 100% | 92.9% | 83.3% | 90.9% |
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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.services.impl;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.hivemind.ClassResolver;
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import org.apache.hivemind.service.ClassFactory;
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import org.apache.tapestry.enhance.EnhancedClassValidator;
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import org.apache.tapestry.enhance.EnhancementOperationImpl;
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import org.apache.tapestry.enhance.EnhancementWorker;
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import org.apache.tapestry.event.ResetEventListener;
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import org.apache.tapestry.services.ComponentConstructor;
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import org.apache.tapestry.services.ComponentConstructorFactory;
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import org.apache.tapestry.spec.IComponentSpecification;
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/**
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* Implementation of the {@link org.apache.tapestry.services.ComponentConstructorFactory}service
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* interface.
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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 ComponentConstructorFactoryImpl implements ComponentConstructorFactory, |
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ResetEventListener |
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{ |
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private ClassFactory _classFactory;
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private ClassResolver _classResolver;
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private EnhancedClassValidator _validator;
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private EnhancementWorker _chain;
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/**
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* Map of {@link org.apache.tapestry.services.ComponentConstructor}keyed on
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* {@link org.apache.tapestry.spec.IComponentSpecification}.
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*/
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private Map _cachedConstructors = Collections.synchronizedMap(new HashMap()); |
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public void resetEventDidOccur() |
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{ |
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_cachedConstructors.clear(); |
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} |
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public ComponentConstructor getComponentConstructor(IComponentSpecification specification,
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String className) |
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{ |
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ComponentConstructor result = (ComponentConstructor) _cachedConstructors.get(specification); |
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if (result == null) |
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{ |
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Class baseClass = _classResolver.findClass(className); |
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EnhancementOperationImpl eo = new EnhancementOperationImpl(_classResolver,
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specification, baseClass, _classFactory); |
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// Invoking on the chain is the same as invoking on every
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// object in the chain (because method performEnhancement() is type void).
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_chain.performEnhancement(eo, specification); |
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result = eo.getConstructor(); |
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// TODO: This should be optional to work around that IBM JVM bug.
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// Also, to some degree, it should be passed into EnhancementOperationImpl,
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// as it generally only needs to be done if a enhanced class
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// is fabricated.
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_validator.validate(baseClass, result.getComponentClass(), specification); |
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_cachedConstructors.put(specification, result); |
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} |
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return result;
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} |
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public void setClassFactory(ClassFactory classFactory) |
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{ |
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_classFactory = classFactory; |
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} |
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public void setClassResolver(ClassResolver classResolver) |
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{ |
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_classResolver = classResolver; |
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} |
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public void setValidator(EnhancedClassValidator validator) |
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{ |
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_validator = validator; |
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} |
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public void setChain(EnhancementWorker chain) |
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{ |
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_chain = chain; |
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} |
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} |
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