Example usage for org.springframework.util StringUtils hasLength

List of usage examples for org.springframework.util StringUtils hasLength

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Introduction

In this page you can find the example usage for org.springframework.util StringUtils hasLength.

Prototype

public static boolean hasLength(@Nullable String str)

Source Link

Document

Check that the given String is neither null nor of length 0.

Usage

From source file:com.vmware.thinapp.common.util.AfUtil.java

/**
 * Convert to a UNC path.// ww  w.  j  a va2s . com
 *
 * @param server a file share server hostname or ip.
 * @param share a share
 * @param path a path
 * @return a UNC formatted string.
 */
public static String toUNC(String server, String share, String path) {
    if (StringUtils.hasLength(path)) {
        return String.format("//%s/%s/%s", server, share, path).replace("/", "\\");
    }
    return String.format("//%s/%s", server, share).replace("/", "\\");
}

From source file:com.vmware.thinapp.common.util.AfUtil.java

/**
 * Extract filename for the HTTP response header.
 *
 * @param response a ClientHttpResponse.
 * @return a filename if found or null.//from   w w  w .  j  a v a  2s .c om
 */
public static final String getFilenameFromResponseHeader(ClientHttpResponse response) {
    String contentDisposition = response.getHeaders().getFirst(AfUtil.CONTENT_DISPOSITION);
    if (StringUtils.hasLength(contentDisposition)) {
        return AfUtil.getFilenameFromContentDisposition(contentDisposition);
    }
    return null;
}

From source file:com.vmware.thinapp.common.util.AfUtil.java

/**
 * Attempt to download the icon specified by the given URL.  If the resource at the URL
 * has a content type of image/*, the binary data for this resource will be downloaded.
 *
 * @param iconUrlStr URL of the image resource to access
 * @return the binary data and content type of the image resource at the given URL, null
 * if the URL is invalid, the resource does not have a content type starting with image/, or
 * on some other failure./* w  ww  .j  a v a2  s.c o m*/
 */
public static final @Nullable IconInfo getIconInfo(String iconUrlStr) {
    if (!StringUtils.hasLength(iconUrlStr)) {
        log.debug("No icon url exists.");
        return null;
    }
    URL iconUrl = null;
    try {
        // Need to encode any invalid characters before creating the URL object
        iconUrl = new URL(UriUtils.encodeHttpUrl(iconUrlStr, "UTF-8"));
    } catch (MalformedURLException ex) {
        log.debug("Malformed icon URL string: {}", iconUrlStr, ex);
        return null;
    } catch (UnsupportedEncodingException ex) {
        log.debug("Unable to encode icon URL string: {}", iconUrlStr, ex);
        return null;
    }

    // Open a connection with the given URL
    final URLConnection conn;
    final InputStream inputStream;
    try {
        conn = iconUrl.openConnection();
        inputStream = conn.getInputStream();
    } catch (IOException ex) {
        log.debug("Unable to open connection to URL: {}", iconUrlStr, ex);
        return null;
    }

    String contentType = conn.getContentType();
    int sizeBytes = conn.getContentLength();

    try {
        // Make sure the resource has an appropriate content type
        if (!conn.getContentType().startsWith("image/")) {
            log.debug("Resource at URL {} does not have a content type of image/*.", iconUrlStr);
            return null;
            // Make sure the resource is not too large
        } else if (sizeBytes > MAX_ICON_SIZE_BYTES) {
            log.debug("Image resource at URL {} is too large: {}", iconUrlStr, sizeBytes);
            return null;
        } else {
            // Convert the resource to a byte array
            byte[] iconBytes = ByteStreams.toByteArray(new InputSupplier<InputStream>() {
                @Override
                public InputStream getInput() throws IOException {
                    return inputStream;
                }
            });
            return new IconInfo(iconBytes, contentType);
        }
    } catch (IOException e) {
        log.debug("Error reading resource data.", e);
        return null;
    } finally {
        Closeables.closeQuietly(inputStream);
    }
}

From source file:com.wavemaker.runtime.server.ControllerBase.java

@Override
public ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) {

    if (request == null) {
        throw new WMRuntimeException(MessageResource.SERVER_NOREQUEST);
    } else if (response == null) {
        throw new WMRuntimeException(MessageResource.SERVER_NORESPONSE);
    }/*from www.j  a  v a2  s .co m*/

    ModelAndView ret;
    try {
        this.runtimeAccess.setStartTime(System.currentTimeMillis());
        // add logging
        StringBuilder logEntry = new StringBuilder();
        HttpSession session = request.getSession(false);
        if (session != null) {
            logEntry.append("session " + session.getId() + ", ");
        }
        logEntry.append("thread " + Thread.currentThread().getId());
        NDC.push(logEntry.toString());

        // default responses to the DEFAULT_ENCODING
        response.setCharacterEncoding(ServerConstants.DEFAULT_ENCODING);

        getServletEventNotifier().executeStartRequest();
        initializeRuntime(request, response);

        // execute the request
        ret = executeRequest(request, response);

        getServletEventNotifier().executeEndRequest();
    } catch (Throwable t) {
        this.logger.error(t.getMessage(), t);
        String message = t.getMessage();
        if (!StringUtils.hasLength(message)) {
            message = t.toString();
        }
        if (this.serviceResponse != null && !this.serviceResponse.isPollingRequest()
                && this.serviceResponse.getConnectionTimeout() > 0
                && System.currentTimeMillis()
                        - this.runtimeAccess.getStartTime() > (this.serviceResponse.getConnectionTimeout() - 3)
                                * 1000) {
            this.serviceResponse.addError(t);
        }
        return handleError(message, t);
    } finally {
        RuntimeAccess.setRuntimeBean(null);
        NDC.pop();
        NDC.remove();
    }

    return ret;
}

From source file:com.wavemaker.studio.StudioService.java

@ExposeToClient
public FileUploadResponse uploadJar(MultipartFile file) {
    FileUploadResponse ret = new FileUploadResponse();
    try {/*from   w  w  w .  j a  va  2s  .co  m*/
        String filename = file.getOriginalFilename();
        String filenameExtension = StringUtils.getFilenameExtension(filename);
        if (!StringUtils.hasLength(filenameExtension)) {
            throw new IOException("Please upload a jar file");
        }
        if (!"jar".equals(filenameExtension)) {
            throw new IOException("Please upload a jar file, not a " + filenameExtension + " file");
        }
        Folder destinationFolder = this.fileSystem.getStudioWebAppRootFolder().getFolder("WEB-INF/lib");
        File destinationFile = destinationFolder.getFile(filename);
        destinationFile.getContent().write(file.getInputStream());
        ret.setPath(destinationFile.getName());

        // Copy jar to common/lib in WaveMaker Home
        Folder commonLib = fileSystem.getWaveMakerHomeFolder().getFolder(CommonConstants.COMMON_LIB);
        commonLib.createIfMissing();
        File destinationJar = commonLib.getFile(filename);
        destinationJar.getContent().write(file.getInputStream());

        // Copy jar to project's lib
        com.wavemaker.tools.io.ResourceFilter included = FilterOn.antPattern("*.jar");
        commonLib.find().include(included).files()
                .copyTo(this.projectManager.getCurrentProject().getRootFolder().getFolder("lib"));
    } catch (IOException e) {
        ret.setError(e.getMessage());
    }
    return ret;
}

From source file:com.wavemaker.tools.cloudfoundry.spinup.authentication.SharedSecretPropagation.java

/**
 * Get the shared secret for the currently running application. This method assumes that some other process has
 * {@link #sendTo(CloudFoundryClient, SharedSecret, CloudApplication) sent} the {@link SharedSecret} to the running
 * application./* w  ww  .  j ava2  s  . c  om*/
 * 
 * @param required
 * 
 * @return the shared secret
 * @throw IllegalStateException if the secret cannot be obtained
 */
public SharedSecret getForSelf(boolean required) throws IllegalStateException {
    try {
        String secret = getEnv(ENV_KEY);
        if (!StringUtils.hasLength(secret) && !required) {
            return null;
        }
        Assert.state(StringUtils.hasLength(secret), "No shared secret has been propagated");
        return SharedSecret.fromBytes(Hex.decodeHex(secret.toCharArray()));
    } catch (DecoderException e) {
        throw new IllegalStateException("Unable to decode shared secret key", e);
    }
}

From source file:com.wavemaker.tools.cloudfoundry.spinup.DefaultSpinupService.java

/**
 * @return The actual controller URL to use.
 *///from ww w . ja va  2s . c  o  m
private String getControllerUrl() {
    if (StringUtils.hasLength(this.controllerUrl)) {
        return this.controllerUrl;
    }
    String systemEnv = System.getenv(CLOUD_CONTROLLER_VARIABLE_NAME);
    if (StringUtils.hasLength(systemEnv)) {
        return systemEnv;
    }
    systemEnv = System.getProperty(CLOUD_CONTROLLER_VARIABLE_NAME);
    if (StringUtils.hasLength(systemEnv)) {
        return systemEnv;
    }
    return "http://api.cloudfoundry.com";
}

From source file:com.wavemaker.tools.compiler.ProjectCompiler.java

private Iterable<java.io.File> getStandardClassPath() {
    String catalinaBase = System.getProperty("catalina.base");
    if (!StringUtils.hasLength(catalinaBase)) {
        this.logger.warn("Unable to locate running tomcat instance, servlet-api jar will not be available");
        return null;
    }//  w  w  w  . j av  a2 s  .c  om
    return Collections.singleton(new java.io.File(catalinaBase + "/lib/servlet-api.jar"));
}

From source file:com.wavemaker.tools.deployment.cloudfoundry.CloudFoundryDeploymentTarget.java

private AuthenticationToken getAuthenticationToken() {
    RuntimeAccess runtimeAccess = RuntimeAccess.getInstance();
    if (runtimeAccess == null) {
        return null;
    }// ww  w  .  j  a v a 2 s  .co m
    Cookie cookie = WebUtils.getCookie(runtimeAccess.getRequest(), "wavemaker_authentication_token");
    if (cookie == null || !StringUtils.hasLength(cookie.getValue())) {
        return null;
    }
    SharedSecret sharedSecret = this.propagation.getForSelf(false);
    if (sharedSecret == null) {
        return null;
    }
    AuthenticationToken authenticationToken = sharedSecret.decrypt(TransportToken.decode(cookie.getValue()));
    return authenticationToken;
}

From source file:com.wavemaker.tools.project.AbstractDeploymentManager.java

public static Deployments readDeployments(Project project, StudioFileSystem fileSystem) {
    com.wavemaker.tools.io.File file = fileSystem.getCommonFolder().getFile(DEPLOYMENTS_FILE);
    String content = file.exists() ? file.getContent().asString() : "";
    if (!StringUtils.hasLength(content)) {
        return new Deployments();
    }/*from  www .j a v a 2  s . c  o  m*/
    JSON result = JSONUnmarshaller.unmarshal(content);
    Assert.isTrue(result instanceof JSONObject, file.toString() + " is in an unexpected format.");
    return (Deployments) JSONUtils.toBean((JSONObject) result, Deployments.class);
}