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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 | |||||||||||||||
DirectCallback.java | 75% | 95.7% | 100% | 93.3% |
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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.callback;
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import org.apache.hivemind.ApplicationRuntimeException;
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import org.apache.tapestry.IComponent;
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import org.apache.tapestry.IDirect;
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import org.apache.tapestry.IPage;
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import org.apache.tapestry.IRequestCycle;
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import org.apache.tapestry.Tapestry;
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/**
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* Simple callback for re-invoking a {@link IDirect} trigger.
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*
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* @author Howard Lewis Ship
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* @since 0.2.9
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*/
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public class DirectCallback implements ICallback |
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{ |
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/**
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* @since 2.0.4
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*/
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private static final long serialVersionUID = -8888847655917503471L; |
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private String _pageName;
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private String _componentIdPath;
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private Object[] _parameters;
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public String toString()
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{ |
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StringBuffer buffer = new StringBuffer("DirectCallback["); |
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buffer.append(_pageName); |
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buffer.append('/'); |
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buffer.append(_componentIdPath); |
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if (_parameters != null) |
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{ |
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String sep = " ";
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for (int i = 0; i < _parameters.length; i++) |
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{ |
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buffer.append(sep); |
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buffer.append(_parameters[i]); |
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sep = ", ";
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} |
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} |
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buffer.append(']'); |
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return buffer.toString();
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} |
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/**
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* Creates a new DirectCallback for the component. The parameters (which may be null) is
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* retained, not copied.
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*/
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public DirectCallback(IDirect component, Object[] parameters)
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{ |
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_pageName = component.getPage().getPageName(); |
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_componentIdPath = component.getIdPath(); |
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_parameters = parameters; |
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} |
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/**
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* Locates the {@link IDirect}component that was previously identified (and whose page and id
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* path were stored). Invokes {@link IRequestCycle#setListenerParameters(Object[])(Object[])}to
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* restore the service parameters, then invokes {@link IDirect#trigger(IRequestCycle)}on the
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* component.
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*/
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public void performCallback(IRequestCycle cycle) |
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{ |
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IPage page = cycle.getPage(_pageName); |
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IComponent component = page.getNestedComponent(_componentIdPath); |
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IDirect direct = null;
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try
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{ |
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direct = (IDirect) component; |
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} |
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catch (ClassCastException ex)
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{ |
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throw new ApplicationRuntimeException(Tapestry.format( |
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"DirectCallback.wrong-type",
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component.getExtendedId()), component, null, ex);
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} |
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cycle.setListenerParameters(_parameters); |
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direct.trigger(cycle); |
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} |
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} |
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