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package com.google.code.jetm.reporting.xml; |
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import java.io.IOException; |
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import java.io.Reader; |
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import java.io.Writer; |
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import java.util.Collection; |
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import java.util.LinkedList; |
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import java.util.List; |
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import org.jdom.CDATA; |
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import org.jdom.Document; |
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import org.jdom.Element; |
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import org.jdom.JDOMException; |
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import org.jdom.Namespace; |
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import org.jdom.input.SAXBuilder; |
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import org.jdom.output.XMLOutputter; |
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import com.google.code.jetm.reporting.AggregateBinder; |
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import etm.core.aggregation.Aggregate; |
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29 | 1 | public class XmlAggregateBinder implements AggregateBinder { |
30 | 1 | private final Namespace jetmNamespace = Namespace |
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.getNamespace("http://code.google.com/p/jetm-reporting-utilities/jetm-measurement"); |
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public void bind(Collection<? extends Aggregate> aggregates, Writer writer) { |
37 | 1 | final Element rootElement = new Element("measurements", jetmNamespace); |
38 | 1 | for (Aggregate aggregate : aggregates) |
39 | 1 | rootElement.addContent(toElement(aggregate)); |
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try { |
42 | 1 | new XMLOutputter().output(rootElement, writer); |
43 | 0 | } catch (IOException e) { |
44 | 0 | throw new RuntimeException("Failed to write aggregate data to XML.", e); |
45 | 1 | } |
46 | 1 | } |
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@SuppressWarnings("unchecked") |
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public Collection<Aggregate> unbind(Reader reader) { |
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Document document; |
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try { |
55 | 1 | document = new SAXBuilder().build(reader); |
56 | 0 | } catch (JDOMException e) { |
57 | 0 | throw new RuntimeException("Failed to read XML data from reader.", e); |
58 | 0 | } catch (IOException e) { |
59 | 0 | throw new RuntimeException("Failed to read XML data from reader.", e); |
60 | 1 | } |
61 | 1 | final List<Aggregate> aggregates = new LinkedList<Aggregate>(); |
62 | 1 | for (Element element : (List<Element>) document.getRootElement().getChildren("measurement", |
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jetmNamespace)) |
64 | 1 | aggregates.add(fromElement(element)); |
65 | 1 | return aggregates; |
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} |
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private Aggregate fromElement(Element element) { |
76 | 1 | final String measurementName = element.getChildText("measurementName", jetmNamespace); |
77 | 1 | final double min = Double.parseDouble(element.getChildText("min", jetmNamespace)); |
78 | 1 | final double max = Double.parseDouble(element.getChildText("max", jetmNamespace)); |
79 | 1 | final double total = Double.parseDouble(element.getChildText("total", jetmNamespace)); |
80 | 1 | final long measurements = Long.parseLong(element |
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.getChildText("measurements", jetmNamespace)); |
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83 | 1 | return new XmlAggregate(min, max, total, measurements, measurementName); |
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} |
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private Element toElement(Aggregate aggregate) { |
95 | 1 | final Element element = new Element("measurement", jetmNamespace); |
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97 | 1 | final Element nameElement = new Element("measurementName", jetmNamespace); |
98 | 1 | nameElement.setContent(new CDATA(aggregate.getName())); |
99 | 1 | element.addContent(nameElement); |
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101 | 1 | final Element minElement = new Element("min", jetmNamespace); |
102 | 1 | minElement.setText(Double.toString(aggregate.getMin())); |
103 | 1 | element.addContent(minElement); |
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105 | 1 | final Element maxElement = new Element("max", jetmNamespace); |
106 | 1 | maxElement.setText(Double.toString(aggregate.getMax())); |
107 | 1 | element.addContent(maxElement); |
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109 | 1 | final Element totalElement = new Element("total", jetmNamespace); |
110 | 1 | totalElement.setText(Double.toString(aggregate.getTotal())); |
111 | 1 | element.addContent(totalElement); |
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113 | 1 | final Element measurementsElement = new Element("measurements", jetmNamespace); |
114 | 1 | measurementsElement.setText(Long.toString(aggregate.getMeasurements())); |
115 | 1 | element.addContent(measurementsElement); |
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117 | 1 | return element; |
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} |
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} |