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package org.apache.tapestry.engine; |
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import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap; |
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import org.apache.hivemind.ApplicationRuntimeException; |
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import org.apache.hivemind.ClassResolver; |
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import org.apache.hivemind.Resource; |
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import org.apache.tapestry.IScript; |
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import org.apache.tapestry.Tapestry; |
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import org.apache.tapestry.coerce.ValueConverter; |
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import org.apache.tapestry.event.ReportStatusEvent; |
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import org.apache.tapestry.event.ReportStatusListener; |
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import org.apache.tapestry.event.ResetEventListener; |
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import org.apache.tapestry.script.ScriptParser; |
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import org.apache.tapestry.services.ExpressionEvaluator; |
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import org.apache.tapestry.util.xml.DocumentParseException; |
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import java.util.Map; |
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41 | 0 | public class DefaultScriptSource implements IScriptSource, ResetEventListener, ReportStatusListener |
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{ |
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private String _serviceId; |
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private ClassResolver _classResolver; |
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private ExpressionEvaluator _expressionEvaluator; |
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private ValueConverter _valueConverter; |
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53 | 0 | private Map _cache = new ConcurrentHashMap(); |
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public void resetEventDidOccur() |
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{ |
57 | 0 | _cache.clear(); |
58 | 0 | } |
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public void reportStatus(ReportStatusEvent event) |
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{ |
62 | 0 | event.title(_serviceId); |
63 | 0 | event.property("parsed script count", _cache.size()); |
64 | 0 | event.collection("parsed scripts", _cache.keySet()); |
65 | 0 | } |
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public IScript getScript(Resource resource) |
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{ |
69 | 0 | IScript result = (IScript) _cache.get(resource); |
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71 | 0 | if (result != null) |
72 | 0 | return result; |
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74 | 0 | result = parse(resource); |
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76 | 0 | _cache.put(resource, result); |
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78 | 0 | return result; |
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} |
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private IScript parse(Resource resource) |
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{ |
83 | 0 | ScriptParser parser = new ScriptParser(_classResolver, _expressionEvaluator, _valueConverter); |
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try |
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{ |
86 | 0 | return parser.parse(resource); |
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} |
88 | 0 | catch (DocumentParseException ex) |
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{ |
90 | 0 | throw new ApplicationRuntimeException(Tapestry.format("DefaultScriptSource.unable-to-parse-script", |
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resource), ex); |
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} |
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} |
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public void setClassResolver(ClassResolver classResolver) |
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{ |
97 | 0 | _classResolver = classResolver; |
98 | 0 | } |
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public void setExpressionEvaluator(ExpressionEvaluator expressionEvaluator) |
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{ |
103 | 0 | _expressionEvaluator = expressionEvaluator; |
104 | 0 | } |
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public void setValueConverter(ValueConverter valueConverter) |
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{ |
109 | 0 | _valueConverter = valueConverter; |
110 | 0 | } |
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public void setServiceId(String serviceId) |
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{ |
114 | 0 | _serviceId = serviceId; |
115 | 0 | } |
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} |