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/*****************************************************************************
* Copyright (c) 2015 Christian W. Damus and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Christian W. Damus - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.bundles.tests.apireport;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Enumeration;
import java.util.LinkedList;
import java.util.Queue;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.papyrus.bundles.tests.Activator;
/**
* Encapsulation of the report resources in the workspace metadata area.
*/
public class ReportFixture {
private static final IPath XML_REPORTS = new Path("apireports/xml"); //$NON-NLS-1$
private static final IPath HTML_REPORTS = new Path("apireports/html"); //$NON-NLS-1$
private static final IPath XML_REPORT_FILE = XML_REPORTS.append("api.xml"); //$NON-NLS-1$
private static final IPath HTML_REPORT_FILE = HTML_REPORTS.append("api.html"); //$NON-NLS-1$
private final File xmlReportFile;
private final File htmlReportFile;
/**
* Initializes the XML and HTML outputs of the API report. For example, certain
* stylesheets and images are emitted if necessary for the HTML report.
*
* @param baseOutputDir
* the base directory in which to generate the resulting reports
*
* @throws IOException
* on any problem in initializing the contents of the output directory
*/
public ReportFixture(IPath baseOutputDir) throws IOException {
super();
xmlReportFile = baseOutputDir.append(XML_REPORT_FILE).toFile();
htmlReportFile = baseOutputDir.append(HTML_REPORT_FILE).toFile();
ensureContents(xmlReportFile.getParentFile(), XML_REPORTS);
ensureContents(htmlReportFile.getParentFile(), HTML_REPORTS);
}
public File getXMLReportFile() {
return xmlReportFile;
}
public File getHTMLReportFile() {
return htmlReportFile;
}
private void ensureContents(File directory, IPath resourcePath) throws IOException {
if (!directory.exists()) {
directory.mkdirs();
}
IPath base = new Path(directory.getAbsolutePath());
// Initial queue of resources to fetch
Queue<String> queue = new LinkedList<>();
enqueueResources(new Path("resources").append(resourcePath).toString(), queue); //$NON-NLS-1$
for (String next = queue.poll(); next != null; next = queue.poll()) {
// Enqueue further resources
enqueueResources(next, queue);
IPath path = new Path(next);
if (!path.hasTrailingSeparator()) {
// It's a file to be copied
URL url = Activator.getDefault().getBundle().getEntry(next);
if (url != null) {
// Strip the "resources" segment also (the +1)
copyResource(url, base.append(path.removeFirstSegments(resourcePath.segmentCount() + 1)));
}
}
}
}
private void enqueueResources(String basePath, Queue<? super String> queue) {
Enumeration<String> entries = Activator.getDefault().getBundle().getEntryPaths(basePath);
if (entries != null) {
while (entries.hasMoreElements()) {
queue.add(entries.nextElement());
}
}
}
private void copyResource(URL source, IPath destination) throws IOException {
File localFile = destination.toFile();
if (!localFile.exists()) {
if (!localFile.getParentFile().exists()) {
localFile.getParentFile().mkdirs();
}
try (InputStream input = source.openStream()) {
Files.copy(input, Paths.get(localFile.getAbsolutePath()));
}
}
}
}
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