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package org.netbeans.api.autoupdate;
import java.beans.PropertyVetoException;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.net.URLStreamHandler;
import java.net.URLStreamHandlerFactory;
import java.util.Enumeration;
import junit.framework.Assert;
import org.netbeans.junit.Manager;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileSystem;
import org.openide.filesystems.FileUtil;
import org.openide.filesystems.LocalFileSystem;
import org.openide.filesystems.MultiFileSystem;
import org.openide.filesystems.Repository;
import org.openide.filesystems.XMLFileSystem;
import org.openide.util.Lookup;
import org.openide.util.lookup.Lookups;
import org.openide.util.lookup.ProxyLookup;
/**
* Inspired by org.netbeans.api.project.TestUtil.
*
* @author Miloslav Metelka, Jan Lahoda
*/
public class IDEInitializer extends ProxyLookup {
public static IDEInitializer DEFAULT_LOOKUP = null;
private static FileSystem lfs;
static {
IDEInitializer.class.getClassLoader ().setDefaultAssertionStatus (true);
System.setProperty ("org.openide.util.Lookup", IDEInitializer.class.getName ());
Assert.assertEquals (IDEInitializer.class, Lookup.getDefault ().getClass ());
}
public IDEInitializer () {
Assert.assertNull (DEFAULT_LOOKUP);
DEFAULT_LOOKUP = this;
URL.setURLStreamHandlerFactory (new MyURLHandlerFactory ());
}
/**
* Set the global default lookup with the specified content.
*
* @param layers xml-layer URLs to be present in the system filesystem.
* @param instances object instances to be present in the default lookup.
*/
public static void setup (
String[] layers,
Object[] instances
) {
ClassLoader classLoader = IDEInitializer.class.getClassLoader ();
File workDir = new File (Manager.getWorkDirPath ());
URL[] urls = new URL [layers.length];
int i, k = urls.length;
for (i = 0; i < k; i++)
urls [i] = classLoader.getResource (layers [i]);
// 1) create repository
XMLFileSystem systemFS = new XMLFileSystem ();
lfs = FileUtil.createMemoryFileSystem();
try {
systemFS.setXmlUrls (urls);
} catch (Exception ex) {
ex.printStackTrace ();
}
MyFileSystem myFileSystem = new MyFileSystem (
new FileSystem [] {lfs, systemFS}
);
Repository repository = new Repository (myFileSystem);
Object[] lookupContent = new Object [instances.length + 1];
lookupContent [0] = repository;
System.arraycopy (instances, 0, lookupContent, 1, instances.length);
DEFAULT_LOOKUP.setLookups (new Lookup[] {
Lookups.fixed (lookupContent),
Lookups.metaInfServices (classLoader),
Lookups.singleton (classLoader),
});
Assert.assertEquals (myFileSystem, Repository.getDefault ().getDefaultFileSystem ());
}
public static void cleanWorkDir () {
try {
Enumeration en = lfs.getRoot ().getChildren (false);
while (en.hasMoreElements ())
((FileObject) en.nextElement ()).delete ();
} catch (IOException ex) {
ex.printStackTrace ();
}
}
private static class MyFileSystem extends MultiFileSystem {
public MyFileSystem (FileSystem[] fileSystems) {
super (fileSystems);
try {
setSystemName ("TestFS");
} catch (PropertyVetoException ex) {
ex.printStackTrace();
}
}
}
private static class MyURLHandlerFactory implements URLStreamHandlerFactory {
public URLStreamHandler createURLStreamHandler(String protocol) {
if (protocol.equals ("nbfs")) {
return FileUtil.nbfsURLStreamHandler ();
}
return null;
}
}
}
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