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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 | |||||||||||||||
BaseComponent.java | 80% | 90% | 100% | 88.2% |
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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;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.tapestry.engine.IPageLoader;
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import org.apache.tapestry.spec.IComponentSpecification;
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/**
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* Base implementation for most components that use an HTML template.
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*
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* @author Howard Lewis Ship
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*/
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public class BaseComponent extends AbstractComponent implements ITemplateComponent |
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{ |
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private static final Log LOG = LogFactory.getLog(BaseComponent.class); |
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private static final int OUTER_INIT_SIZE = 5; |
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private IRender[] _outer;
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private int _outerCount = 0; |
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/**
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* Adds an element as an outer element for the receiver. Outer elements are elements that should
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* be directly rendered by the receiver's <code>render()</code> method. That is, they are
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* top-level elements on the HTML template.
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*/
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public void addOuter(IRender element) |
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{ |
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if (_outer == null) |
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{ |
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_outer = new IRender[OUTER_INIT_SIZE];
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_outer[0] = element; |
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_outerCount = 1; |
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return;
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} |
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// No more room? Make the array bigger.
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if (_outerCount == _outer.length)
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{ |
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IRender[] newOuter; |
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newOuter = new IRender[_outer.length * 2];
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System.arraycopy(_outer, 0, newOuter, 0, _outerCount); |
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_outer = newOuter; |
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} |
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_outer[_outerCount++] = element; |
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} |
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/**
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* Reads the receiver's template and figures out which elements wrap which other elements.
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*/
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private void readTemplate(IRequestCycle cycle, IPageLoader loader) |
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{ |
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loader.loadTemplateForComponent(cycle, this);
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} |
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/**
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* Renders the top level components contained by the receiver.
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*
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* @since 2.0.3
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*/
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protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
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if (LOG.isDebugEnabled())
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LOG.debug("Begin render " + getExtendedId());
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for (int i = 0; i < _outerCount; i++) |
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_outer[i].render(writer, cycle); |
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if (LOG.isDebugEnabled())
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LOG.debug("End render " + getExtendedId());
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} |
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/**
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* Loads the template for the component, then invokes
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* {@link AbstractComponent#finishLoad(IRequestCycle, IPageLoader, IComponentSpecification)}.
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* Subclasses must invoke this method first, before adding any additional behavior, though its
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* usually simpler to override {@link #finishLoad()}instead.
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*/
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public void finishLoad(IRequestCycle cycle, IPageLoader loader, IComponentSpecification specification) |
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{ |
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readTemplate(cycle, loader); |
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super.finishLoad(cycle, loader, specification);
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} |
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} |
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