/**
* Contact the remote WebDAV server and do a PROPFIND lookup, returning a {@link List} of all
* scavenged resources.
*/
private List propfind(Location location) throws IOException {
/* Create the new HttpClient instance associated with the location */
final HttpClient client = new HttpClient(location);
client.addRequestHeader("Depth", "1");
client.setAcceptableStatus(207).connect("PROPFIND", true);
/* Get the XML SAX Parser and parse the output of the PROPFIND */
try {
final SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setValidating(false);
factory.setNamespaceAware(true);
final SAXParser parser = factory.newSAXParser();
final String systemId = location.toString();
final InputSource source = new InputSource(systemId);
final Handler handler = new Handler(location);
source.setByteStream(client.getResponseStream());
parser.parse(source, handler);
return handler.list;
} catch (ParserConfigurationException exception) {
Exception throwable = new IOException("Error creating XML parser");
throw (IOException) throwable.initCause(exception);
} catch (SAXException exception) {
Exception throwable = new IOException("Error creating XML parser");
throw (IOException) throwable.initCause(exception);
} finally {
client.disconnect();
}
}
/** Contact the remote WebDAV server and fetch all properties. */
private void reload(Location location) throws IOException {
/* Do an OPTIONS over onto the location */
location = this.options(location);
/* Do a PROPFIND to figure out the properties and the children */
final Iterator iterator = this.propfind(location).iterator();
final Map children = new HashMap();
while (iterator.hasNext()) {
final Resource resource = (Resource) iterator.next();
final Path path = resource.location.getPath();
if (path.size() == 0) {
resource.location = location.resolve(resource.location);
this.resource = resource;
} else if (path.size() == 1) {
final Path.Element element = (Path.Element) path.get(0);
if ("..".equals(element.getName())) continue;
children.put(element.toString(), resource);
}
}
/* Check if the current resource was discovered */
if (this.resource == null) throw new IOException("Current resource not returned in PROOPFIND");
/* Don't actually allow resources to be modified */
this.children = Collections.unmodifiableMap(children);
}
/**
* A command-line interface to a WebDAV repository.
*
* <p>When invoked from the command line, this class requires one only argument, the URL location
* of the WebDAV repository to connect to.
*
* <p>After connection this method will interact with the user using an extremely simple
* console-based interface.
*/
public static void main(String args[]) throws IOException {
final InputStreamReader r = new InputStreamReader(System.in);
final BufferedReader in = new BufferedReader(r);
WebDavClient client = new WebDavClient(Location.parse(args[0]));
while (true)
try {
System.out.print("[" + client.getLocation() + "] -> ");
args = parse(in.readLine());
if (args == null) break;
if (args[0].equals("list")) {
if (args[1] == null) list(client, System.out);
else list(client.open(args[1]), System.out);
} else if (args[0].equals("refresh")) {
client = client.refresh();
} else if (args[0].equals("get")) {
if (args[1] != null) {
final InputStream input = client.get(args[1]);
final File file = new File(args[2]).getCanonicalFile();
final OutputStream output = new FileOutputStream(file);
final long bytes = StreamTools.copy(input, output);
System.out.println(
"Fetched child \"" + args[1] + "\" to file \"" + file + "\" (" + bytes + " bytes)");
} else System.out.print("Can't \"get\" null");
} else if (args[0].equals("put")) {
if (args[1] != null) {
final File file = new File(args[1]).getCanonicalFile();
final InputStream input = new FileInputStream(file);
final OutputStream output = client.put(args[2], file.length());
final long bytes = StreamTools.copy(input, output);
System.out.println(
"Uploaded file \""
+ file
+ "\" to child \""
+ args[2]
+ "\" ("
+ bytes
+ " bytes)");
} else System.out.print("Can't \"put\" null");
} else if (args[0].equals("mkcol")) {
if (args[1] != null) {
client.mkcol(args[1]);
System.out.println("Created \"" + args[1] + "\"");
} else System.out.print("Can't \"mkcol\" null");
} else if (args[0].equals("delete")) {
if (args[1] != null) {
client.delete(args[1]);
System.out.println("Deleted \"" + args[1] + "\"");
} else System.out.print("Can't \"delete\" null");
} else if (args[0].equals("cd")) {
if (args[1] != null) client = client.open(args[1]);
else System.out.print("Can't \"cd\" to null");
} else if (args[0].equals("quit")) {
break;
} else {
System.out.print("Invalid command \"" + args[0] + "\". ");
System.out.println("Valid commands are:");
System.out.println(" - \"list\" list the children child");
System.out.println(" - \"get\" fetch the specified child");
System.out.println(" - \"put\" put the specified child");
System.out.println(" - \"mkcol\" create a collection");
System.out.println(" - \"delete\" delete a child");
System.out.println(" - \"put\" put the specified resource");
System.out.println(" - \"cd\" change the location");
System.out.println(" - \"refresh\" refresh this location");
System.out.println(" - \"quit\" quit this application");
}
} catch (Exception exception) {
exception.printStackTrace(System.err);
}
System.err.println();
}
