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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 | |||||||||||||||
InfrastructureObjectProvider.java | 100% | 84.6% | 100% | 90.5% |
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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.HashMap;
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import java.util.Map;
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import org.apache.hivemind.ErrorLog;
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import org.apache.hivemind.Location;
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import org.apache.hivemind.internal.Module;
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import org.apache.hivemind.service.ObjectProvider;
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import org.apache.hivemind.util.PropertyUtils;
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import org.apache.tapestry.services.Infrastructure;
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/**
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* An ObjectProvider that streamlines access to the central
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* {@link org.apache.tapestry.services.Infrastructure}object. The locator for this provider is the
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* name of a property of the Infrastructure.
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*
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* @author Howard Lewis Ship
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* @since 4.0
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*/
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public class InfrastructureObjectProvider implements ObjectProvider |
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{ |
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private ErrorLog _errorLog;
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private Infrastructure _infrastructure;
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private Map _cache = new HashMap(); |
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public synchronized Object provideObject(Module contributingModule, Class propertyType, |
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String locator, Location location) |
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{ |
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Object result = _cache.get(locator); |
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if (result == null) |
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{ |
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result = readProperty(locator, location); |
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_cache.put(locator, result); |
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} |
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return result;
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} |
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Object readProperty(String locator, Location location) |
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{ |
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try
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{ |
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if (PropertyUtils.isReadable(_infrastructure, locator))
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return PropertyUtils.read(_infrastructure, locator);
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return _infrastructure.getProperty(locator);
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} |
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catch (Throwable ex)
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{ |
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_errorLog.error(ImplMessages.unableToReadInfrastructureProperty( |
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locator, |
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_infrastructure, |
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ex), location, ex); |
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return null; |
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} |
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} |
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public void setErrorLog(ErrorLog errorLog) |
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{ |
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_errorLog = errorLog; |
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} |
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public void setInfrastructure(Infrastructure infrastructure) |
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{ |
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_infrastructure = infrastructure; |
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} |
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} |
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