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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 | |||||||||||||||
InjectMessagesWorker.java | - | 100% | 100% | 100% |
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// Copyright 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.enhance;
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import java.lang.reflect.Modifier;
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import org.apache.hivemind.ErrorLog;
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import org.apache.hivemind.Messages;
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import org.apache.hivemind.service.BodyBuilder;
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import org.apache.hivemind.service.MethodSignature;
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import org.apache.tapestry.services.ComponentMessagesSource;
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import org.apache.tapestry.spec.IComponentSpecification;
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/**
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* Injects the read-only {@link org.apache.tapestry.IComponent#getMessages() messages}property into
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* all components.
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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 InjectMessagesWorker implements EnhancementWorker |
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{ |
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final String MESSAGES_PROPERTY = "messages";
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private ErrorLog _errorLog;
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private ComponentMessagesSource _componentMessagesSource;
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final MethodSignature METHOD_SIGNATURE = new MethodSignature(Messages.class, "getMessages", |
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null, null); |
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public void performEnhancement(EnhancementOperation op, IComponentSpecification spec) |
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{ |
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try
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{ |
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op.claimProperty(MESSAGES_PROPERTY); |
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String sourceField = op.addInjectedField("_$componentMessagesSource", _componentMessagesSource);
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op.addField("_$messages", Messages.class); |
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BodyBuilder builder = new BodyBuilder();
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builder.begin(); |
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builder.addln("if (_$messages == null)");
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builder.addln(" _$messages = {0}.getMessages(this);", sourceField);
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builder.addln("return _$messages;");
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builder.end(); |
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op.addMethod(Modifier.PUBLIC, METHOD_SIGNATURE, builder.toString()); |
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} |
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catch (Exception ex)
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{ |
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_errorLog.error(EnhanceMessages.errorAddingProperty(MESSAGES_PROPERTY, op |
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.getBaseClass(), ex), null, ex);
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} |
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} |
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public void setComponentMessagesSource(ComponentMessagesSource componentMessagesSource) |
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{ |
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_componentMessagesSource = componentMessagesSource; |
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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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} |
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