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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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| 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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815
| 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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| 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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| 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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| 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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| 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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| } |