Examples with ResourceInfo org.ops4j.pax.web.resources.api.ResourceInfo used on opensource projects

Example 1 with ResourceInfo

use of org.ops4j.pax.web.resources.api.ResourceInfo in project org.ops4j.pax.web by ops4j.

the class AbstractWarJsfResourcehandlerIntegrationTest method testResourceUnavailble.

/**
 * After a JSF thread received a resource, the bundle with the resource might be uninstalled
 * anyway. This can happen before the actual bytes are served.
 * <p>
 * <ol>
 * <li>createResource</li>
 * <li>resourcebundle uninstalled</li>
 * <li>resource.getInputStream</li>
 * </ol>
 * <p>
 * According to the spec, IOException is the only one catched later on.
 */
@Test(expected = IOException.class)
public void testResourceUnavailble() throws Exception {
    ServiceReference<OsgiResourceLocator> sr = bundleContext.getServiceReference(OsgiResourceLocator.class);
    OsgiResourceLocator resourceLocator = bundleContext.getService(sr);
    ResourceInfo resourceInfo = resourceLocator.locateResource("default/2_0/images/iceland.jpg");
    Resource resource = new OsgiResource(resourceInfo.getUrl(), null, "iceland.jpg", null, "default", "2_0", resourceInfo.getLastModified());
    // uninstall bundle
    Arrays.stream(bundleContext.getBundles()).filter(bundle -> bundle.getSymbolicName().equals("jsf-resourcehandler-resourcebundle")).findFirst().orElseThrow(() -> new AssertionError("Bundle 'jsf-resourcehandler-resourcebundle' not found")).uninstall();
    // to fast for tests, resource isn't fully gone yet
    Thread.sleep(1000);
    try {
        resource.getInputStream();
        fail("IOException expected due to missing resource!");
    } finally {
        bundleContext.ungetService(sr);
    }
}

Example 2 with ResourceInfo

use of org.ops4j.pax.web.resources.api.ResourceInfo in project org.ops4j.pax.web by ops4j.

the class OsgiResourceHandler method handleResourceRequest.

@Override
public void handleResourceRequest(FacesContext facesContext) throws IOException {
    final Map<String, String> requestParameterMap = facesContext.getExternalContext().getRequestParameterMap();
    if (!"osgi".equals(requestParameterMap.get(OsgiResource.REQUEST_PARAM_TYPE))) {
        // no OsgiResource...proceed with default ResourceHandler
        super.handleResourceRequest(facesContext);
    }
    String localePrefix = requestParameterMap.get(OsgiResource.REQUEST_PARAM_LOCALE);
    String libraryName = requestParameterMap.get(OsgiResource.REQUEST_PARAM_LIBRARY);
    String libraryVersion = requestParameterMap.get(OsgiResource.REQUEST_PARAM_LIBRARY_VERSION);
    String resourceVersion = requestParameterMap.get(OsgiResource.REQUEST_PARAM_RESOURCE_VERSION);
    String resourceBasePath = ResourceHandlerUtils.calculateResourceBasePath(facesContext);
    if (resourceBasePath == null) {
        // resource base name
        return;
    }
    // We neet to get an instance of HttpServletResponse, but sometimes
    // the response object is wrapped by several instances of
    // ServletResponseWrapper (like ResponseSwitch).
    // Since we are handling a resource, we can expect to get an
    // HttpServletResponse.
    HttpServletResponse httpServletResponse = ResourceHandlerUtils.getHttpServletResponse(facesContext.getExternalContext().getResponse());
    if (httpServletResponse == null) {
        throw new IllegalStateException("Could not obtain an instance of HttpServletResponse.");
    }
    if (ResourceHandlerUtils.isResourceIdentifierExcluded(facesContext, resourceBasePath, excludedResourceExtensions)) {
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    // extract resourceName. if none was found set Response to 404
    String resourceName;
    if (resourceBasePath.startsWith(ResourceHandler.RESOURCE_IDENTIFIER)) {
        resourceName = resourceBasePath.substring(ResourceHandler.RESOURCE_IDENTIFIER.length() + 1);
        if (!ResourceValidationUtils.isValidResourceName(resourceName)) {
            httpServletResponse.setStatus(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
    } else {
        // Does not have the conditions for be a resource call
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    if (libraryName != null && !ResourceValidationUtils.isValidLibraryName(libraryName)) {
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    String resourceIdentifier = createResourceIdentifier(localePrefix, resourceName, resourceVersion, libraryName, libraryVersion);
    OsgiResource resource;
    // in this case we have the full path to the resource, no version-magic needed
    ResourceInfo resourceInfo = getServiceAndExecute(service -> service.locateResource(resourceIdentifier));
    if (resourceInfo == null) {
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    resource = new OsgiResource(resourceInfo.getUrl(), localePrefix, resourceName, resourceVersion, libraryName, libraryVersion, resourceInfo.getLastModified());
    // Resource has not changed, return 304
    if (!resource.userAgentNeedsUpdate(facesContext)) {
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return;
    }
    // serve
    httpServletResponse.setContentType(ResourceHandlerUtils.getContentType(resource, facesContext.getExternalContext()));
    Map<String, String> headers = resource.getResponseHeaders();
    for (Map.Entry<String, String> entry : headers.entrySet()) {
        httpServletResponse.setHeader(entry.getKey(), entry.getValue());
    }
    // Sets the preferred buffer size for the body of the response
    facesContext.getExternalContext().setResponseBufferSize(this.resourceBufferSize);
    // serve up the bytes (taken from trinidad ResourceServlet)
    try {
        // byte[] buffer = new byte[_BUFFER_SIZE];
        byte[] buffer = new byte[this.resourceBufferSize];
        try (InputStream in = resource.getInputStream();
            OutputStream out = httpServletResponse.getOutputStream()) {
            int count = ResourceHandlerUtils.pipeBytes(in, out, buffer);
            // set the content length
            if (!httpServletResponse.isCommitted()) {
                httpServletResponse.setContentLength(count);
            }
        }
    } catch (IOException e) {
        if (logger.isErrorEnabled()) {
            logger.error("Error trying to load resource '{}' with library '{}' : {}", new Object[] { resourceName, libraryName, e.getMessage(), e });
        }
        // return 404
        httpServletResponse.setStatus(HttpServletResponse.SC_NOT_FOUND);
    }
}