Java Code Examples for org.apache.jackrabbit.webdav.DavResource#exists()

/**
 * @see DavResource#removeMember(DavResource)
 */
public void removeMember(DavResource member) throws DavException {
	if (!exists() || !member.exists()) {
		throw new DavException(DavServletResponse.SC_NOT_FOUND);
	}
	if (isLocked(this) || isLocked(member)) {
		throw new DavException(DavServletResponse.SC_LOCKED);
	}

	try {
		Resource resource = resourceService.getResource(member.getLocator().getResourcePath(), session);
		// set the requesting person
		resource.setRequestedPerson(this.resource.getRequestedPerson());

		resourceService.deleteResource(resource, session);
	} catch (DavException de) {
		throw de;
	} catch (Exception e) {
		throw new RuntimeException(e);
	}
}
 

/**
 * {@inheritDoc}
 */
protected boolean isPreconditionValid(WebdavRequest request, DavResource resource) {
	if (resource.getDisplayName().toLowerCase().equals("thumbs.db"))
		return false;

	return !resource.exists() || request.matchesIfHeader(resource);
}
 

/**
 * @param request the HTTP request
 * @param response the server's response
 * @param resource the DAV resource
 * @param sendContent
 * 
 * @throws IOException generic I/O error
 */
private void spoolResource(WebdavRequest request, WebdavResponse response, DavResource resource,
		boolean sendContent) throws IOException {

	if (!resource.exists()) {
		response.sendError(HttpServletResponse.SC_NOT_FOUND);
		return;
	}

	long modSince = request.getDateHeader("If-Modified-Since");
	if (modSince > UNDEFINED_TIME) {
		long modTime = resource.getModificationTime();
		// test if resource has been modified. note that formatted
		// modification
		// time lost the milli-second precision
		if (modTime != UNDEFINED_TIME && (modTime / 1000 * 1000) <= modSince) {
			// resource has not been modified since the time indicated in
			// the
			// 'If-Modified-Since' header.
			response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
			return;
		}
	}

	// spool resource properties and ev. resource content.
	OutputStream out = (sendContent) ? response.getOutputStream() : null;
	resource.spool(getOutputContext(response, out));
}
 

/**
 * The PUT method
 * 
 * @param request the HTTP request
 * @param response the server's response
 * @param resource the DAV resource
 * 
 * @throws IOException generic I/O error
 * @throws DavException error in the DAV communication
 */
protected void doPut(WebdavRequest request, WebdavResponse response, DavResource resource)
		throws IOException, DavException {
	log.debug("************doPut*****************");
	if (log.isDebugEnabled())
		log.debug("[ADD] Document {}", resource.getDisplayName());

	try {
		DavResource parentResource = resource.getCollection();
		if (parentResource == null || !parentResource.exists()) {
			// parent does not exist
			response.sendError(DavServletResponse.SC_CONFLICT);
			return;
		}

		int status;
		// test if resource already exists
		if (resource.exists()) {
			status = DavServletResponse.SC_NO_CONTENT;
		} else {
			status = DavServletResponse.SC_CREATED;
		}

		parentResource.addMember(resource, getInputContext(request, request.getInputStream()));

		getResourceFactory().putInCache((com.logicaldoc.webdav.session.DavSession) parentResource.getSession(),
				parentResource);

		response.setStatus(status);
	} catch (Exception e) {
	}
}
 

/**
 * The MKCOL method
 * 
 * @param request the HTTP request
 * @param response the server's response
 * @param resource the DAV resource
 * 
 * @throws IOException generic I/O error
 * @throws DavException error in the DAV communication
 */
protected void doMkCol(WebdavRequest request, WebdavResponse response, DavResource resource)
		throws IOException, DavException {

	log.debug("doMkCol");
	if (log.isDebugEnabled())
		log.debug("[ADD] Directory {}", resource.getDisplayName());
	try {
		DavResource parentResource = resource.getCollection();
		if (parentResource == null || !parentResource.exists() || !parentResource.isCollection()) {
			// parent does not exist or is not a collection
			response.sendError(DavServletResponse.SC_CONFLICT);
			return;
		}
		// shortcut: mkcol is only allowed on deleted/non-existing resources
		if (resource.exists()) {
			response.sendError(DavServletResponse.SC_METHOD_NOT_ALLOWED);
		}

		if (request.getContentLength() > 0 || request.getHeader("Transfer-Encoding") != null) {
			parentResource.addMember(resource, getInputContext(request, request.getInputStream()));
		} else {
			parentResource.addMember(resource, getInputContext(request, null));
		}
		response.setStatus(DavServletResponse.SC_CREATED);
	} catch (Exception e) {
		e.printStackTrace();
	}
}
 

/**
 * Validate the given destination resource and return the proper status
 * code: Any return value greater/equal than
 * {@link DavServletResponse#SC_NO_CONTENT} indicates an error.
 * 
 * @param destResource destination resource to be validated.
 * @param request the HTTP request
 * 
 * @return status code indicating whether the destination is valid.
 */
private int validateDestination(DavResource destResource, WebdavRequest request) throws DavException {

	String destHeader = request.getHeader(HEADER_DESTINATION);
	if (destHeader == null || "".equals(destHeader)) {
		return DavServletResponse.SC_BAD_REQUEST;
	}
	if (destResource.getLocator().equals(request.getRequestLocator())) {
		return DavServletResponse.SC_FORBIDDEN;
	}

	int status;
	if (destResource.exists()) {
		if (request.isOverwrite()) {
			// matching if-header required for existing resources
			if (!request.matchesIfHeader(destResource)) {
				return DavServletResponse.SC_PRECONDITION_FAILED;
			} else {
				// overwrite existing resource
				destResource.getCollection().removeMember(destResource);
				status = DavServletResponse.SC_NO_CONTENT;
			}
		} else {
			// cannot copy/move to an existing item, if overwrite is not
			// forced
			return DavServletResponse.SC_PRECONDITION_FAILED;
		}
	} else {
		// destination does not exist >> copy/move can be performed
		status = DavServletResponse.SC_CREATED;
	}
	return status;
}
 

/**
 * The PROPFIND method
 * 
 * @param request the HTTP request
 * @param response the server's response
 * @param resource the DAV resource
 * 
 * @throws IOException generic I/O error
 */
protected void doPropFind(WebdavRequest request, WebdavResponse response, DavResource resource)
		throws IOException, DavException {

	log.debug("doPropFind");
	if (log.isDebugEnabled())
		log.debug("[READ] FINDING {} {}",
				(resource.isCollection() ? "DOCUMENTS WITHIN THE FOLDER" : "JUST THE DOCUMENT"),
				resource.getDisplayName());

	if (!resource.exists()) {
		log.warn("Resource not found: {}", resource.getResourcePath());
		response.sendError(DavServletResponse.SC_NOT_FOUND);
		return;
	}

	DavPropertyNameSet requestProperties = request.getPropFindProperties();

	if (log.isDebugEnabled()) {
		DavPropertyNameIterator iter = requestProperties.iterator();
		StringBuffer sb = new StringBuffer("Requested properties: ");
		while (iter.hasNext()) {
			sb.append(((DavPropertyName) iter.next()).getName());
			sb.append(",");
		}
		log.debug(sb.toString());
	}

	int propfindType = request.getPropFindType();

	int depth = Context.get().getProperties().getInt("webdav.depth", 1);
	String headerDepth = request.getHeader("Depth");
	if (StringUtils.isNotEmpty(headerDepth)) {
		if ("infinity".equals(headerDepth))
			depth = request.getDepth(DEPTH_INFINITY);
		else {
			depth = Integer.parseInt(headerDepth);
		}
	}

	MultiStatus mstatus = new MultiStatus();
	mstatus.addResourceProperties(resource, requestProperties, propfindType, depth);

	response.sendMultiStatus(mstatus);
}