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/*
* Copyright 2011 gitblit.com.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.gitblit.wicket.pages;
import java.awt.Color;
import java.awt.Dimension;
import java.text.MessageFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.basic.Label;
import org.eclipse.jgit.lib.Repository;
import org.wicketstuff.googlecharts.ChartAxis;
import org.wicketstuff.googlecharts.ChartAxisType;
import org.wicketstuff.googlecharts.ChartProvider;
import org.wicketstuff.googlecharts.ChartType;
import org.wicketstuff.googlecharts.IChartData;
import org.wicketstuff.googlecharts.LineStyle;
import org.wicketstuff.googlecharts.MarkerType;
import org.wicketstuff.googlecharts.ShapeMarker;
import com.gitblit.models.Metric;
import com.gitblit.utils.MetricUtils;
import com.gitblit.utils.StringUtils;
import com.gitblit.wicket.CacheControl;
import com.gitblit.wicket.CacheControl.LastModified;
import com.gitblit.wicket.WicketUtils;
import com.gitblit.wicket.charting.SecureChart;
@CacheControl(LastModified.REPOSITORY)
public class MetricsPage extends RepositoryPage {
public MetricsPage(PageParameters params) {
super(params);
Repository r = getRepository();
if (StringUtils.isEmpty(objectId)) {
add(new Label("branchTitle", getRepositoryModel().HEAD));
} else {
add(new Label("branchTitle", objectId));
}
Metric metricsTotal = null;
List<Metric> metrics = MetricUtils.getDateMetrics(r, objectId, true, null, getTimeZone());
metricsTotal = metrics.remove(0);
if (metricsTotal == null) {
add(new Label("branchStats", ""));
} else {
add(new Label("branchStats",
MessageFormat.format(getString("gb.branchStats"), metricsTotal.count,
metricsTotal.tag, getTimeUtils().duration(metricsTotal.duration))));
}
insertLinePlot("commitsChart", metrics);
insertBarPlot("dayOfWeekChart", getDayOfWeekMetrics(r, objectId));
insertPieChart("authorsChart", getAuthorMetrics(r, objectId));
}
private void insertLinePlot(String wicketId, List<Metric> metrics) {
if ((metrics != null) && (metrics.size() > 0)) {
IChartData data = WicketUtils.getChartData(metrics);
ChartProvider provider = new ChartProvider(new Dimension(400, 100), ChartType.LINE,
data);
ChartAxis dateAxis = new ChartAxis(ChartAxisType.BOTTOM);
dateAxis.setLabels(new String[] { metrics.get(0).name,
metrics.get(metrics.size() / 2).name, metrics.get(metrics.size() - 1).name });
provider.addAxis(dateAxis);
ChartAxis commitAxis = new ChartAxis(ChartAxisType.LEFT);
commitAxis.setLabels(new String[] { "",
String.valueOf((int) WicketUtils.maxValue(metrics)) });
provider.addAxis(commitAxis);
provider.setLineStyles(new LineStyle[] { new LineStyle(2, 4, 0), new LineStyle(0, 4, 1) });
provider.addShapeMarker(new ShapeMarker(MarkerType.CIRCLE, Color.decode("#002060"), 1, -1, 5));
add(new SecureChart(wicketId, provider));
} else {
add(WicketUtils.newBlankImage(wicketId));
}
}
private void insertBarPlot(String wicketId, List<Metric> metrics) {
if ((metrics != null) && (metrics.size() > 0)) {
IChartData data = WicketUtils.getChartData(metrics);
ChartProvider provider = new ChartProvider(new Dimension(400, 100),
ChartType.BAR_VERTICAL_SET, data);
ChartAxis dateAxis = new ChartAxis(ChartAxisType.BOTTOM);
List<String> labels = new ArrayList<String>();
for (Metric metric : metrics) {
labels.add(metric.name);
}
dateAxis.setLabels(labels.toArray(new String[labels.size()]));
provider.addAxis(dateAxis);
ChartAxis commitAxis = new ChartAxis(ChartAxisType.LEFT);
commitAxis.setLabels(new String[] { "",
String.valueOf((int) WicketUtils.maxValue(metrics)) });
provider.addAxis(commitAxis);
add(new SecureChart(wicketId, provider));
} else {
add(WicketUtils.newBlankImage(wicketId));
}
}
private void insertPieChart(String wicketId, List<Metric> metrics) {
if ((metrics != null) && (metrics.size() > 0)) {
IChartData data = WicketUtils.getChartData(metrics);
List<String> labels = new ArrayList<String>();
for (Metric metric : metrics) {
labels.add(metric.name);
}
ChartProvider provider = new ChartProvider(new Dimension(800, 200), ChartType.PIE, data);
provider.setPieLabels(labels.toArray(new String[labels.size()]));
add(new SecureChart(wicketId, provider));
} else {
add(WicketUtils.newBlankImage(wicketId));
}
}
private List<Metric> getDayOfWeekMetrics(Repository repository, String objectId) {
List<Metric> list = MetricUtils.getDateMetrics(repository, objectId, false, "E", getTimeZone());
SimpleDateFormat sdf = new SimpleDateFormat("E");
Calendar cal = Calendar.getInstance();
List<Metric> sorted = new ArrayList<Metric>();
int firstDayOfWeek = cal.getFirstDayOfWeek();
int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
// rewind date to first day of week
cal.add(Calendar.DATE, firstDayOfWeek - dayOfWeek);
for (int i = 0; i < 7; i++) {
String day = sdf.format(cal.getTime());
for (Metric metric : list) {
if (metric.name.equals(day)) {
sorted.add(metric);
list.remove(metric);
break;
}
}
cal.add(Calendar.DATE, 1);
}
return sorted;
}
private List<Metric> getAuthorMetrics(Repository repository, String objectId) {
List<Metric> authors = MetricUtils.getAuthorMetrics(repository, objectId, true);
Collections.sort(authors, new Comparator<Metric>() {
@Override
public int compare(Metric o1, Metric o2) {
if (o1.count > o2.count) {
return -1;
} else if (o1.count < o2.count) {
return 1;
}
return 0;
}
});
if (authors.size() > 10) {
return authors.subList(0, 9);
}
return authors;
}
@Override
protected String getPageName() {
return getString("gb.metrics");
}
@Override
protected Class<? extends BasePage> getRepoNavPageClass() {
return SummaryPage.class;
}
}
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