Java Code Examples for spark.utils.StringUtils#isEmpty()

The following examples show how to use spark.utils.StringUtils#isEmpty() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
public String index(Request request, Response response) throws IOException {
    String prefix = request.queryParams(PREFIX_PARAM);
    if (StringUtils.isEmpty(prefix)) {
        throw HaltApiResponses.haltBecauseRequiredParamMissing(PREFIX_PARAM);
    }

    List<CommandSnippet> commandSnippets = commandRepositoryService.lookupCommand(prefix);

    String etag = etagFor(commandSnippets);

    if (fresh(request, etag)) {
        return notModified(response);
    }

    setEtagHeader(response, etag);
    return writerForTopLevelObject(request, response, outputWriter -> CommandSnippetsRepresenter.toJSON(outputWriter, commandSnippets, prefix));
}
 
Example 2
Source Project: minitwit   File: User.java    License: MIT License 5 votes vote down vote up
public String validate() {
	String error = null;
	
	if(StringUtils.isEmpty(username)) {
		error = "You have to enter a username";
	} else if(!EMAIL_ADDRESS_REGEX.matcher(email).matches()) {
		error = "You have to enter a valid email address";
	} else if(StringUtils.isEmpty(password)) {
		error = "You have to enter a password";
	} else if(!password.equals(password2)) {
		error = "The two passwords do not match";
	}
	
	return error;
}
 
Example 3
Source Project: ha-bridge   File: User.java    License: Apache License 2.0 5 votes vote down vote up
public String validate() {
	String error = null;
	
	if(StringUtils.isEmpty(username)) {
		error = "You have to enter a username";
	} else if(StringUtils.isEmpty(password)) {
		error = "You have to enter a password";
	} else if(!password.equals(password2)) {
		error = "The two passwords do not match";
	}
	
	return error;
}
 
Example 4
private boolean verifySignatureAndPublicKey(String signature, String subordinatePublicKey, HttpLocalizedOperationResult result) throws Exception {
    if (StringUtils.isEmpty(signature)) {
        result.unprocessableEntity(String.format("Please provide '%s' field.", SIGNATURE_KEY));
        return false;
    }

    if (StringUtils.isEmpty(subordinatePublicKey)) {
        result.unprocessableEntity(String.format("Please provide '%s' field.", SUBORDINATE_PUBLIC_KEY));
        return false;
    }

    String masterPublicKey = FileUtils.readFileToString(new File(systemEnvironment.getUpdateServerPublicKeyPath()), "utf8");

    boolean isVerified;
    try {
        isVerified = EncryptionHelper.verifyRSASignature(subordinatePublicKey, signature, masterPublicKey);
    } catch (Exception e) {
        isVerified = false;
    }

    if (!isVerified) {
        result.unprocessableEntity(String.format("Invalid '%s' or '%s' provided.", SIGNATURE_KEY, SUBORDINATE_PUBLIC_KEY));
        return false;
    }

    return true;
}