Examples with UnavailableException javax.servlet.UnavailableException used on opensource projects

Example 26 with UnavailableException

use of javax.servlet.UnavailableException in project spring-security-oauth by spring-projects.

the class SparklrController method photo.

@RequestMapping("/sparklr/photos/{id}")
public ResponseEntity<BufferedImage> photo(@PathVariable String id, HttpServletRequest request) throws Exception {
    InputStream photo = sparklrService.loadSparklrPhoto(id);
    if (photo == null) {
        throw new UnavailableException("The requested photo does not exist");
    }
    BufferedImage body;
    MediaType contentType = MediaType.IMAGE_JPEG;
    Iterator<ImageReader> imageReaders = ImageIO.getImageReadersByMIMEType(contentType.toString());
    if (imageReaders.hasNext()) {
        ImageReader imageReader = imageReaders.next();
        ImageReadParam irp = imageReader.getDefaultReadParam();
        imageReader.setInput(new MemoryCacheImageInputStream(photo), true);
        body = imageReader.read(0, irp);
    } else {
        throw new HttpMessageNotReadableException("Could not find javax.imageio.ImageReader for Content-Type [" + contentType + "]");
    }
    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.IMAGE_JPEG);
    request.setAttribute(HandlerMapping.PRODUCIBLE_MEDIA_TYPES_ATTRIBUTE, Collections.singleton(MediaType.IMAGE_JPEG));
    return new ResponseEntity<BufferedImage>(body, headers, HttpStatus.OK);
}

Example 27 with UnavailableException

use of javax.servlet.UnavailableException in project spring-security-oauth by spring-projects.

the class SparklrRedirectController method photo.

@RequestMapping("/sparklr/redirect/{id}")
public ResponseEntity<BufferedImage> photo(@PathVariable String id) throws Exception {
    InputStream photo = sparklrService.loadSparklrPhoto(id);
    if (photo == null) {
        throw new UnavailableException("The requested photo does not exist");
    }
    BufferedImage body;
    MediaType contentType = MediaType.IMAGE_JPEG;
    Iterator<ImageReader> imageReaders = ImageIO.getImageReadersByMIMEType(contentType.toString());
    if (imageReaders.hasNext()) {
        ImageReader imageReader = imageReaders.next();
        ImageReadParam irp = imageReader.getDefaultReadParam();
        imageReader.setInput(new MemoryCacheImageInputStream(photo), true);
        body = imageReader.read(0, irp);
    } else {
        throw new HttpMessageNotReadableException("Could not find javax.imageio.ImageReader for Content-Type [" + contentType + "]");
    }
    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.IMAGE_JPEG);
    return new ResponseEntity<BufferedImage>(body, headers, HttpStatus.OK);
}

Example 28 with UnavailableException

use of javax.servlet.UnavailableException in project spring-security-oauth by spring-projects.

the class SparklrController method photo.

@RequestMapping("/sparklr/photos/{id}")
public ResponseEntity<BufferedImage> photo(@PathVariable String id) throws Exception {
    InputStream photo = sparklrService.loadSparklrPhoto(id);
    if (photo == null) {
        throw new UnavailableException("The requested photo does not exist");
    }
    BufferedImage body;
    MediaType contentType = MediaType.IMAGE_JPEG;
    Iterator<ImageReader> imageReaders = ImageIO.getImageReadersByMIMEType(contentType.toString());
    if (imageReaders.hasNext()) {
        ImageReader imageReader = imageReaders.next();
        ImageReadParam irp = imageReader.getDefaultReadParam();
        imageReader.setInput(new MemoryCacheImageInputStream(photo), true);
        body = imageReader.read(0, irp);
    } else {
        throw new HttpMessageNotReadableException("Could not find javax.imageio.ImageReader for Content-Type [" + contentType + "]");
    }
    HttpHeaders headers = new HttpHeaders();
    headers.setContentType(MediaType.IMAGE_JPEG);
    return new ResponseEntity<BufferedImage>(body, headers, HttpStatus.OK);
}

Example 29 with UnavailableException

use of javax.servlet.UnavailableException in project opennms by OpenNMS.

the class ImportAssetsServlet method init.

/**
 * Looks up the <code>redirect.success</code> parameter in the servlet's
 * configuration. If not present, this servlet will throw an exception so it will
 * be marked unavailable.
 *
 * @throws javax.servlet.ServletException if any.
 */
@Override
public void init() throws ServletException {
    ServletConfig config = this.getServletConfig();
    this.redirectSuccess = config.getInitParameter("redirect.success");
    if (this.redirectSuccess == null) {
        throw new UnavailableException("Require a redirect.success init parameter.");
    }
    this.model = new AssetModel();
}

Example 30 with UnavailableException

use of javax.servlet.UnavailableException in project Payara by payara.

the class SecurityUtil method execute.

/**
 * Perform work as a particular <code>Subject</code>. Here the work
 * will be granted to a <code>null</code> subject.
 *
 * @param method the method to apply the security restriction
 * @param targetObject the <code>Servlet</code> on which the method will
 * be called.
 * @param targetArguments <code>Object</code> array contains the
 * runtime parameters instance.
 * @param principal the <code>Principal</code> to which the security
 * privilege apply..
 */
private static void execute(final Method method, final Object targetObject, final Object[] targetArguments, Principal principal) throws java.lang.Exception {
    try {
        Subject subject = null;
        PrivilegedExceptionAction<Void> pea = new PrivilegedExceptionAction<Void>() {

            public Void run() throws Exception {
                method.invoke(targetObject, targetArguments);
                return null;
            }
        };
        // The first argument is always the request object
        if (targetArguments != null && targetArguments[0] instanceof HttpServletRequest) {
            HttpServletRequest request = (HttpServletRequest) targetArguments[0];
            boolean hasSubject = false;
            HttpSession session = request.getSession(false);
            if (session != null) {
                subject = (Subject) session.getAttribute(Globals.SUBJECT_ATTR);
                hasSubject = (subject != null);
            }
            if (subject == null) {
                subject = new Subject();
                if (principal != null) {
                    subject.getPrincipals().add(principal);
                }
            }
            if (session != null && !hasSubject) {
                session.setAttribute(Globals.SUBJECT_ATTR, subject);
            }
        }
        Subject.doAsPrivileged(subject, pea, null);
    } catch (PrivilegedActionException pe) {
        Throwable e;
        if (pe.getException() instanceof InvocationTargetException) {
            e = ((InvocationTargetException) pe.getException()).getTargetException();
        } else {
            e = pe;
        }
        if (log.isLoggable(Level.FINE)) {
            log.log(Level.FINE, LogFacade.PRIVILEGE_ACTION_EXCEPTION, e);
        }
        if (e instanceof UnavailableException)
            throw (UnavailableException) e;
        else if (e instanceof ServletException)
            throw (ServletException) e;
        else if (e instanceof IOException)
            throw (IOException) e;
        else if (e instanceof RuntimeException)
            throw (RuntimeException) e;
        else
            throw new ServletException(e.getMessage(), e);
    }
}