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package org.eclipse.emf.refactor.metrics.core;
import java.util.LinkedList;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.refactor.metrics.interfaces.IMetricCalculator;
public class MetricLoader {
public static LinkedList<Metric> loadMetrics() {
LinkedList<Metric> metrics = new LinkedList<Metric>();
IConfigurationElement[] rawMetrics = Platform.getExtensionRegistry()
.getConfigurationElementsFor(ExtensionPointTags.EXTENSION_POINT_NAME);
for (IConfigurationElement element : rawMetrics) {
try {
if (element.getName().equals(ExtensionPointTags.METRIC_TAG)) {
Metric metric = createMetric(element);
if (null != metric) {
metrics.add(metric);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
java.util.Collections.sort(metrics);
return metrics;
}
private static Metric createMetric(IConfigurationElement rawMetric) {
try {
final String name = rawMetric.getAttribute(ExtensionPointTags.METRIC_NAME_TAG);
final String id = rawMetric.getAttribute(ExtensionPointTags.METRIC_ID_TAG);
final String description = rawMetric
.getAttribute(ExtensionPointTags.METRIC_DESCRIPTION_TAG);
final String metamodel = rawMetric
.getAttribute(ExtensionPointTags.METRIC_METAMODEL_TAG);
final String context = rawMetric.getAttribute(ExtensionPointTags.METRIC_CONTEXT_TAG);
final IMetricCalculator calculateClass = (IMetricCalculator) rawMetric
.createExecutableExtension(ExtensionPointTags.METRIC_CALCULATE_CLASS_TAG);
return new Metric(name, description, metamodel, context, calculateClass, id);
} catch (Throwable e) {
e.printStackTrace();
return null;
}
}
}
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