Example usage for com.google.common.base Strings nullToEmpty

Introduction

In this page you can find the example usage for com.google.common.base Strings nullToEmpty.

Prototype

public static String nullToEmpty(@Nullable String string)

Source Link

Document

Returns the given string if it is non-null; the empty string otherwise.

Usage

From source file:org.ambraproject.wombat.service.CitationDownloadServiceImpl.java

private static StringBuilder appendRisCitationLine(StringBuilder builder, String key, String value) {
    return builder.append(Objects.requireNonNull(key)).append("  - ").append(Strings.nullToEmpty(value))
            .append('\n');
}

From source file:com.google.testing.security.firingrange.tests.reflected.Charsets.java

@Override
public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String echoedParam = Strings.nullToEmpty(request.getParameter(ECHOED_PARAM));
    String template = Templates.getTemplate(request, getClass());
    String restrictedCharsets = Splitter.on('/').splitToList(request.getPathInfo()).get(2);
    switch (restrictedCharsets) {
    case "SpaceDoubleQuoteSlashEquals":
        if (containsChars(echoedParam, '=', '\\', '"', ' ')) {
            Responses.sendError(response, "Invalid param.", 400);
            return;
        }//from   w  ww  .j  av a  2s.co m
        break;
    case "DoubleQuoteSinglequote":
        if (containsChars(echoedParam, '"', '\'')) {
            Responses.sendError(response, "Invalid param.", 400);
            return;
        }
        break;
    default:
        Responses.sendError(response, "Invalid charset.", 400);
        return;
    }
    Responses.sendXssed(response, Templates.replacePayload(template, echoedParam));
}

From source file:org.openqa.selenium.environment.webserver.GeneratedJsTestServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String symbol = Strings.nullToEmpty(req.getPathInfo()).replace("../", "").replace("/", "$");
    byte[] data = ("<!DOCTYPE html>\n" + "<html>\n" + "<head>\n"
            + "<meta http-equiv=\"X-UA-Compatible\" content=\"IE-Edge\">\n" + "<!-- File generated by "
            + getClass().getName() + " -->\n" + "<title>" + req.getPathInfo() + "</title>\n"
            + "<script src=\"/third_party/closure/goog/base.js\"></script>\n"
            + "<script src=\"/javascript/deps.js\"></script>\n" + "<script>\n" + "  (function() {\n"
            + "    var path = '../../.." + req.getPathInfo() + "';\n" + "    goog.addDependency(path, ['"
            + symbol + "'],\n" + "        goog.dependencies_.requires['../../.." + req.getPathInfo()
            + "'] || [],\n" + "        !!goog.dependencies_.pathIsModule[path]);\n" + "    goog.require('"
            + symbol + "');\n" + "  })()\n" + "</script></head><body></body></html>").getBytes(Charsets.UTF_8);

    resp.setStatus(HttpServletResponse.SC_OK);
    resp.setContentType(MediaType.HTML_UTF_8.toString());
    resp.setContentLength(data.length);//  w w  w.j a  v  a  2 s  .co m

    OutputStream stream = resp.getOutputStream();
    stream.write(data);
    stream.flush();
    stream.close();
}

From source file:org.attribyte.api.http.AuthScheme.java

/**
 * Creates an authentication scheme.//from   w  w w. ja v  a 2s . c o  m
 * <p>
 *    Must not contain the quote character.
 * </p>
 * @param scheme The scheme name.
 * @param realm The realm.
 * @throws java.lang.UnsupportedOperationException if the realm contains the quote character.
 */
protected AuthScheme(final String scheme, final String realm) {
    if (realm.contains("\"")) {
        throw new UnsupportedOperationException("The 'realm' must not contain the quote character");
    }

    this.scheme = scheme.intern();
    this.realm = Strings.nullToEmpty(realm);
    this.authenticateResponseHeader = this.scheme + " realm=\"" + this.realm + "\"";
}

From source file:io.macgyver.plugin.metrics.RegexMetricFilter.java

public RegexMetricFilter excludes(String s) {

    Splitter.on(CharMatcher.anyOf(" \n\t\r,;|")).omitEmptyStrings().splitToList(Strings.nullToEmpty(s))
            .forEach(it -> {//from   ww  w  . j a v a 2  s . c  o  m

                exclude(Pattern.compile(it));

            });
    return this;
}

From source file:net.anyflow.lannister.httphandler.Topics.java

@Override
public String service() {
    String filter = Strings.nullToEmpty(httpRequest().parameter("filter"));

    switch (filter) {
    case "":
    case "all":
        return allString();

    default://w ww.ja v  a2 s  .  co m
        return null;
    }
}

From source file:org.apache.jackrabbit.oak.security.authorization.permission.PermissionUtil.java

@Nonnull
public static String getEntryName(@Nullable String accessControlledPath) {
    String path = Strings.nullToEmpty(accessControlledPath);
    return String.valueOf(path.hashCode());
}

From source file:org.dcache.xrootd.protocol.messages.ErrorResponse.java

public ErrorResponse(T request, int errnum, String errmsg) {
    super(request, XrootdProtocol.kXR_error);
    this.errnum = errnum;
    this.errmsg = Strings.nullToEmpty(errmsg);
    LOGGER.info("Xrootd-Error-Response: ErrorNr={} ErrorMsg={}", errnum, errmsg);
}

From source file:it.reply.orchestrator.validator.DeploymentRequestValidator.java

@Override
public void validate(Object target, Errors errors) {
    if (target == null) {
        errors.reject("request.null", "Deployment request is null");
        return;/*from ww w . java2  s  .c o m*/
    }

    DeploymentRequest deploymentRequest = (DeploymentRequest) target;
    String callbackUrl = deploymentRequest.getCallback();
    if (callbackUrl != null) {
        if (Strings.nullToEmpty(callbackUrl).trim().isEmpty()) {
            errors.rejectValue("callback", "callback.blank", "Callback URL is blank");
        } else {
            try {
                URI.create(callbackUrl).toURL();
            } catch (Exception ex) {
                errors.rejectValue("callback", "callback.malformed", "Callback URL is malformed");
            }
        }
    }
}

From source file:org.attribyte.api.pubsub.HTTPUtil.java

/**
 * Returns true if string is null, or empty after trimmed.
 * @param str The string./*  ww  w  .j a  v  a 2s .co m*/
 * @return Is the string null or empty?
 */
private static boolean isTrimmedEmpty(final String str) {
    return Strings.nullToEmpty(str).trim().isEmpty();
}