package id.au.ringerc.as7.eclipselinkintegration;
import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.persistence.jpa.Archive;
import org.jboss.vfs.VFS;
import org.jboss.vfs.VirtualFile;
import org.jboss.vfs.VirtualFileFilter;
/**
* This is the guts of the Eclipse-to-JBossAS7 integration for
* automatic entity class discovery. The entry point is
* JBossArchiveFactoryImpl; see there for how to use this.
*
* @author Rich DiCroce
*
*/
public class VFSArchive implements Archive {
protected URL rootUrl;
protected String descriptorLocation;
protected VirtualFile root;
protected Map<String, VirtualFile> files;
public VFSArchive(URL rootUrl, String descriptorLocation) throws URISyntaxException, IOException {
this.rootUrl = rootUrl;
this.descriptorLocation = descriptorLocation;
root = VFS.getChild(rootUrl.toURI());
List<VirtualFile> children = root.getChildrenRecursively(new VirtualFileFilter() {
@Override
public boolean accepts(VirtualFile file) {
return file.isFile();
}
});
files = new HashMap<String, VirtualFile>();
for (VirtualFile file : children) {
files.put(file.getPathNameRelativeTo(root), file);
}
}
@Override
public Iterator<String> getEntries() {
return files.keySet().iterator();
}
@Override
public InputStream getEntry(String entryPath) throws IOException {
return files.containsKey(entryPath) ? files.get(entryPath).openStream() : null;
}
@Override
public URL getEntryAsURL(String entryPath) throws IOException {
return files.containsKey(entryPath) ? files.get(entryPath).asFileURL() : null;
}
@Override
public URL getRootURL() {
return rootUrl;
}
@Override
public InputStream getDescriptorStream() throws IOException {
return files.get(descriptorLocation).openStream();
}
@Override
public void close() {} // nothing to close
}