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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 | |||||||||||||||
StateBinding.java | 50% | 100% | 100% | 92.3% |
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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.binding;
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import org.apache.hivemind.ApplicationRuntimeException;
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import org.apache.hivemind.Location;
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import org.apache.hivemind.util.Defense;
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import org.apache.tapestry.coerce.ValueConverter;
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import org.apache.tapestry.engine.state.ApplicationStateManager;
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/**
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* Binding used to efficiently query whether an application state object (visit, global and friends)
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* exists without actually creating it (or creating a session).
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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 StateBinding extends AbstractBinding |
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{ |
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private ApplicationStateManager _applicationStateManager;
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private String _objectName;
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public StateBinding(String description, ValueConverter valueConverter, Location location,
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ApplicationStateManager applicationStateManager, String objectName) |
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{ |
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super(description, valueConverter, location);
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Defense.notNull(applicationStateManager, "applicationStateManager");
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Defense.notNull(objectName, "objectName");
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_applicationStateManager = applicationStateManager; |
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_objectName = objectName; |
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} |
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public Object getObject()
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{ |
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try
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{ |
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boolean exists = _applicationStateManager.exists(_objectName);
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return exists ? Boolean.TRUE : Boolean.FALSE;
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} |
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catch (Exception ex)
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{ |
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throw new ApplicationRuntimeException(ex.getMessage(), getLocation(), ex); |
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} |
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} |
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} |
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