Java Code Examples for javax.servlet.http.HttpServletResponse#SC_PARTIAL_CONTENT

/**
 * Async version of {@link org.eclipse.jetty.server.Response#sendError(int, String)}.
 */
private void sendErrorAsync(int statusCode, String reasonPhrase) {
    servletResponse.setHeader(HttpHeaders.Names.EXPIRES, null);
    servletResponse.setHeader(HttpHeaders.Names.LAST_MODIFIED, null);
    servletResponse.setHeader(HttpHeaders.Names.CACHE_CONTROL, null);
    servletResponse.setHeader(HttpHeaders.Names.CONTENT_TYPE, null);
    servletResponse.setHeader(HttpHeaders.Names.CONTENT_LENGTH, null);
    setStatus(servletResponse, statusCode, Optional.of(reasonPhrase));

    // If we are allowed to have a body
    if (statusCode != HttpServletResponse.SC_NO_CONTENT &&
            statusCode != HttpServletResponse.SC_NOT_MODIFIED &&
            statusCode != HttpServletResponse.SC_PARTIAL_CONTENT &&
            statusCode >= HttpServletResponse.SC_OK) {
        servletResponse.setHeader(HttpHeaders.Names.CACHE_CONTROL, "must-revalidate,no-cache,no-store");
        servletResponse.setContentType(MimeTypes.Type.TEXT_HTML_8859_1.toString());
        byte[] errorContent = errorResponseContentCreator
                .createErrorContent(servletRequest.getRequestURI(), statusCode, Optional.ofNullable(reasonPhrase));
        servletResponse.setContentLength(errorContent.length);
        servletOutputStreamWriter.sendErrorContentAndCloseAsync(ByteBuffer.wrap(errorContent));
    } else {
        servletResponse.setContentLength(0);
        servletOutputStreamWriter.close();
    }
}
 

public ServerStatus _doIt() {
	try {
		
		// check the org first
		
		URI targetURI = URIUtil.toURI(target.getUrl());
		URI orgsURI = targetURI.resolve("/v2/organizations"); //$NON-NLS-1$

		GetMethod getOrgsMethod = new GetMethod(orgsURI.toString());
		ServerStatus confStatus = HttpUtil.configureHttpMethod(getOrgsMethod, target.getCloud());
		if (!confStatus.isOK())
			return confStatus;
		
		ServerStatus getOrgsStatus = HttpUtil.executeMethod(getOrgsMethod);
		if (!getOrgsStatus.isOK() && getOrgsStatus.getHttpCode() != HttpServletResponse.SC_PARTIAL_CONTENT)
			return getOrgsStatus;

		JSONObject result = getOrgsStatus.getJsonData();
		JSONArray orgs = result.getJSONArray("resources"); //$NON-NLS-1$

		if (orgs.length() == 0)
			return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Organization not found", null);

		Org organization = getOrganization(orgs, orgName);
		if (organization == null)
			return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Organization not found", null);
		
		// now get the space
		
		String spaceUrl = organization.getCFJSON().getJSONObject("entity").getString("spaces_url"); //$NON-NLS-1$//$NON-NLS-2$
		URI spaceURI = targetURI.resolve(spaceUrl);

		GetMethod getSpaceMethod = new GetMethod(spaceURI.toString());
		confStatus = HttpUtil.configureHttpMethod(getSpaceMethod, target.getCloud());
		if (!confStatus.isOK())
			return confStatus;

		ServerStatus getSpaceStatus = HttpUtil.executeMethod(getSpaceMethod);
		if (!getSpaceStatus.isOK())
			return getSpaceStatus;

		result = getSpaceStatus.getJsonData();
		JSONArray spaces = result.getJSONArray("resources"); //$NON-NLS-1$

		if (spaces.length() == 0)
			return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Space not found", null);

		Space space = getSpace(spaces, spaceName);
		if (space == null)
			return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Space not found", null);

		return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, space.toJSON());
	} catch (Exception e) {
		String msg = NLS.bind("An error occured when performing operation {0}", commandName); //$NON-NLS-1$
		logger.error(msg, e);
		return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, msg, e);
	}
}
 

private void handleGetBlob(HttpServletRequest request,
        HttpServletResponse response, BlobStore blobStore,
        String containerName, String blobName)
        throws IOException, S3Exception {
    int status = HttpServletResponse.SC_OK;
    GetOptions options = new GetOptions();

    String ifMatch = request.getHeader(HttpHeaders.IF_MATCH);
    if (ifMatch != null) {
        options.ifETagMatches(ifMatch);
    }

    String ifNoneMatch = request.getHeader(HttpHeaders.IF_NONE_MATCH);
    if (ifNoneMatch != null) {
        options.ifETagDoesntMatch(ifNoneMatch);
    }

    long ifModifiedSince = request.getDateHeader(
            HttpHeaders.IF_MODIFIED_SINCE);
    if (ifModifiedSince != -1) {
        options.ifModifiedSince(new Date(ifModifiedSince));
    }

    long ifUnmodifiedSince = request.getDateHeader(
            HttpHeaders.IF_UNMODIFIED_SINCE);
    if (ifUnmodifiedSince != -1) {
        options.ifUnmodifiedSince(new Date(ifUnmodifiedSince));
    }

    String range = request.getHeader(HttpHeaders.RANGE);
    if (range != null && range.startsWith("bytes=") &&
            // ignore multiple ranges
            range.indexOf(',') == -1) {
        range = range.substring("bytes=".length());
        String[] ranges = range.split("-", 2);
        if (ranges[0].isEmpty()) {
            options.tail(Long.parseLong(ranges[1]));
        } else if (ranges[1].isEmpty()) {
            options.startAt(Long.parseLong(ranges[0]));
        } else {
            options.range(Long.parseLong(ranges[0]),
                    Long.parseLong(ranges[1]));
        }
        status = HttpServletResponse.SC_PARTIAL_CONTENT;
    }

    Blob blob = blobStore.getBlob(containerName, blobName, options);
    if (blob == null) {
        throw new S3Exception(S3ErrorCode.NO_SUCH_KEY);
    }

    response.setStatus(status);

    String corsOrigin = request.getHeader(HttpHeaders.ORIGIN);
    if (!Strings.isNullOrEmpty(corsOrigin) &&
            corsRules.isOriginAllowed(corsOrigin)) {
        response.addHeader(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN,
                corsOrigin);
        response.addHeader(HttpHeaders.ACCESS_CONTROL_ALLOW_METHODS, "GET");
    }

    addMetadataToResponse(request, response, blob.getMetadata());
    // TODO: handles only a single range due to jclouds limitations
    Collection<String> contentRanges =
            blob.getAllHeaders().get(HttpHeaders.CONTENT_RANGE);
    if (!contentRanges.isEmpty()) {
        response.addHeader(HttpHeaders.CONTENT_RANGE,
                contentRanges.iterator().next());
        response.addHeader(HttpHeaders.ACCEPT_RANGES,
                "bytes");
    }

    try (InputStream is = blob.getPayload().openStream();
         OutputStream os = response.getOutputStream()) {
        ByteStreams.copy(is, os);
        os.flush();
    }
}
 

/** Create an HTTP Partial Content response. The calendar converter will use this
 * response when a calendar is only partially updated.
 *
 * @param statusMessage A message describing which calendar components were
 * not updated
 * @return Create an HTTP Partial Content response.
 */
public static ResponseProperties createPartialContentResponse(String statusMessage) {
    return new ResponseProperties(HttpServletResponse.SC_PARTIAL_CONTENT, statusMessage);
}