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.graylog.plugins.metrics.gelf.converters.GelfTransportsConverter.java

@Override
public GelfTransports convertFrom(String value) {
    try {//from  w  w  w  .j  a  v a 2  s.c  o  m
        return GelfTransports.valueOf(Strings.nullToEmpty(value).toUpperCase(Locale.ENGLISH));
    } catch (IllegalArgumentException e) {
        throw new ParameterException("Couldn't convert value \"" + value + "\" to GELF transport.", e);
    }
}

From source file:org.graylog.plugins.metrics.gelf.converters.GelfMessageLevelConverter.java

@Override
public GelfMessageLevel convertFrom(String value) {
    try {//  ww  w.  j a  v  a  2s  .  co m
        return GelfMessageLevel.valueOf(Strings.nullToEmpty(value).toUpperCase(Locale.ENGLISH));
    } catch (IllegalArgumentException e) {
        throw new ParameterException("Couldn't convert value \"" + value + "\" to GELF message level.", e);
    }
}

From source file:com.indeed.imhotep.sql.ast2.QueryParts.java

public QueryParts(String from, String where, String groupBy, String select, String limit) {
    this.from = Strings.nullToEmpty(from).trim();
    this.where = Strings.nullToEmpty(where).trim();
    this.groupBy = Strings.nullToEmpty(groupBy).trim();
    this.select = Strings.nullToEmpty(select).trim();
    this.limit = Strings.nullToEmpty(limit).trim();
}

From source file:com.github.jsdossier.Parameter.java

Parameter(@Nullable String name, @Nullable JSTypeExpression type, @Nullable String description) {
    this.name = nullToEmpty(name);
    this.type = type;
    this.description = Strings.nullToEmpty(description);
}

From source file:com.eucalyptus.auth.euare.common.oidc.OIDCUtils.java

/**
 * Parse a provider url and throw if invalid.
 *
 * @param issuerIdentifier The URL (must start with "https://")
 * @return A tuple of the host, port and path for the provider
 * @throws IllegalArgumentException If the url is invalid
 *///from  w  w w.  j ava 2s. c om
public static OIDCIssuerIdentifier parseIssuerIdentifier(final String issuerIdentifier)
        throws IllegalArgumentException {
    try {
        if (issuerIdentifier == null) {
            throw new IllegalArgumentException("Null issuer identifier");
        }
        final URI uri = new URI(issuerIdentifier);
        if (!"https".equalsIgnoreCase(uri.getScheme()) && !"http".equalsIgnoreCase(uri.getScheme())) {
            throw new IllegalArgumentException(
                    "Invalid scheme " + uri.getScheme() + " for issuer identifier: " + issuerIdentifier);
        }
        if (uri.getQuery() != null || uri.getFragment() != null) {
            throw new IllegalArgumentException("Query or fragment not permitted: " + issuerIdentifier);
        }
        return new OIDCIssuerIdentifier(uri.getHost(), uri.getPort(), Strings.nullToEmpty(uri.getPath())); //TODO:STEVE: what about only /?
    } catch (URISyntaxException e) {
        throw new IllegalArgumentException(e.getMessage(), e);
    }
}

From source file:org.graylog.plugins.metrics.slf4j.converters.LoggingLevelConverter.java

@Override
public Slf4jReporter.LoggingLevel convertFrom(String value) {
    try {/*from www .  j  a  v  a2s .c o  m*/
        return Slf4jReporter.LoggingLevel.valueOf(Strings.nullToEmpty(value).toUpperCase(Locale.ENGLISH));
    } catch (IllegalArgumentException e) {
        throw new ParameterException("Couldn't convert value \"" + value + "\" to log level.", e);
    }
}

From source file:appeng.integration.modules.jei.JeiRuntimeAdapter.java

@Override
public String getSearchText() {
    return Strings.nullToEmpty(runtime.getItemListOverlay().getFilterText());
}

From source file:org.graylog.plugins.metrics.datadog.converters.DatadogTransportConverter.java

@Override
public DatadogTransport convertFrom(String value) {
    try {//from  w w w . j  a v  a 2 s  .  c o m
        return DatadogTransport.valueOf(Strings.nullToEmpty(value).toUpperCase(Locale.ENGLISH));
    } catch (IllegalArgumentException e) {
        throw new ParameterException("Couldn't convert value \"" + value + "\" to Datadog transport.", e);
    }
}

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

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String echoedParam = Strings.nullToEmpty(request.getParameter(ECHOED_PARAM));
    String json;//www. j a  v  a2s  .  c  o m
    if (echoedParam.isEmpty()) {
        json = "{'foobar':'foo'}";
    } else {
        json = echoedParam + "({'foobar':'foo'});";
    }
    Responses.sendXssed(response, json, "application/json");
}

From source file:org.graylog.plugins.metrics.graphite.converters.GraphiteProtocolConverter.java

@Override
public GraphiteProtocol convertFrom(String value) {
    try {/*  w w w .ja  v a2 s .  c om*/
        return GraphiteProtocol.valueOf(Strings.nullToEmpty(value).toUpperCase(Locale.ENGLISH));
    } catch (IllegalArgumentException e) {
        throw new ParameterException("Couldn't convert value \"" + value + "\" to Graphite protocol.", e);
    }
}