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.apache.sentry.core.common.utils.PathUtils.java

/**
 * URI is a a special case. For URI's, /a implies /a/b.
 * Therefore the test is "/a/b".startsWith("/a");
 *///from   w ww .  j  a va 2 s  .  co m
public static boolean impliesURI(URI privilegeURI, URI requestURI) throws URISyntaxException {
    if (privilegeURI.getPath() == null || requestURI.getPath() == null) {
        return false;
    }
    // ensure that either both schemes are null or equal
    if (privilegeURI.getScheme() == null) {
        if (requestURI.getScheme() != null) {
            return false;
        }
    } else if (!privilegeURI.getScheme().equals(requestURI.getScheme())) {
        return false;
    }
    // request path does not contain relative parts /a/../b &&
    // request path starts with privilege path &&
    // authorities (nullable) are equal
    String requestPath = ensureEndsWithSeparator(requestURI.getPath()).replace("//", "/");
    String privilegePath = ensureEndsWithSeparator(privilegeURI.getPath()).replace("//", "/");
    if (requestURI.getPath().equals(requestURI.normalize().getPath()) && requestPath.startsWith(privilegePath)
            && Strings.nullToEmpty(privilegeURI.getAuthority())
                    .equals(Strings.nullToEmpty(requestURI.getAuthority()))) {
        return true;
    }
    return false;
}

From source file:com.qcadoo.mes.cmmsMachineParts.hooks.ActionForPlannedEventHooks.java

public void onSave(final DataDefinition actionDD, final Entity actionForPlannedEvent) {
    if (actionForPlannedEvent.getBelongsToField(ActionForPlannedEventFields.RESPONSIBLE_WORKER) != null) {
        String person = Strings.nullToEmpty(
                actionForPlannedEvent.getBelongsToField(ActionForPlannedEventFields.RESPONSIBLE_WORKER)
                        .getStringField(StaffFields.NAME))
                + " "
                + Strings.nullToEmpty(/*from   w  ww .  ja  v  a 2 s.c om*/
                        actionForPlannedEvent.getBelongsToField(ActionForPlannedEventFields.RESPONSIBLE_WORKER)
                                .getStringField(StaffFields.SURNAME));
        actionForPlannedEvent.setField(ActionForPlannedEventFields.RESPONSIBLE_WORKER_NAME, person);
    }
}

From source file:org.gradle.api.publish.ivy.internal.dependency.DefaultIvyDependency.java

public DefaultIvyDependency(String organisation, String module, String revision, String confMapping,
        boolean transitive) {
    this.organisation = organisation;
    this.module = module;
    this.revision = Strings.nullToEmpty(revision);
    this.confMapping = confMapping;
    this.transitive = transitive;
}

From source file:com.google.testing.security.firingrange.tests.escape.JsEscape.java

@Override
public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String echoedParam = Strings.nullToEmpty(request.getParameter(ECHOED_PARAM));
    String template;//  ww w.  ja  v  a  2  s .  c o  m
    try {
        template = Templates.getTemplate(request, getClass());
    } catch (IOException e) {
        logger.fine(e.toString());
        Responses.sendError(response, e.getMessage(), 400);
        return;
    }
    Responses.sendXssed(response, Templates.replacePayload(template, stringEscape(echoedParam)));
}

From source file:org.apache.sentry.policy.search.SearchWildcardPrivilege.java

public SearchWildcardPrivilege(String wildcardString) {
    wildcardString = Strings.nullToEmpty(wildcardString).trim();
    if (wildcardString.isEmpty()) {
        throw new IllegalArgumentException("Wildcard string cannot be null or empty.");
    }/*  www. ja  v  a2s  .  c om*/
    List<KeyValue> parts = Lists.newArrayList();
    for (String authorizable : ProviderConstants.AUTHORIZABLE_SPLITTER.trimResults().split(wildcardString)) {
        if (authorizable.isEmpty()) {
            throw new IllegalArgumentException("Privilege '" + wildcardString + "' has an empty section");
        }
        parts.add(new KeyValue(authorizable));
    }
    if (parts.isEmpty()) {
        throw new AssertionError("Should never occur: " + wildcardString);
    }
    this.parts = ImmutableList.copyOf(parts);
}

From source file:org.apache.sentry.policy.indexer.IndexerWildcardPrivilege.java

public IndexerWildcardPrivilege(String wildcardString) {
    wildcardString = Strings.nullToEmpty(wildcardString).trim();
    if (wildcardString.isEmpty()) {
        throw new IllegalArgumentException("Wildcard string cannot be null or empty.");
    }//ww w . ja va  2 s . c  om
    List<KeyValue> parts = Lists.newArrayList();
    for (String authorizable : ProviderConstants.AUTHORIZABLE_SPLITTER.trimResults().split(wildcardString)) {
        if (authorizable.isEmpty()) {
            throw new IllegalArgumentException("Privilege '" + wildcardString + "' has an empty section");
        }
        parts.add(new KeyValue(authorizable));
    }
    if (parts.isEmpty()) {
        throw new AssertionError("Should never occur: " + wildcardString);
    }
    this.parts = ImmutableList.copyOf(parts);
}

From source file:rabbit.ui.internal.viewers.TreeViewerColumnLabelSorter.java

@Override
protected int doCompare(Viewer v, TreePath parentPath, Object e1, Object e2) {
    String s1 = Strings.nullToEmpty(labelProvider.getText(e1));
    String s2 = Strings.nullToEmpty(labelProvider.getText(e2));
    return s1.compareToIgnoreCase(s2);
}

From source file:com.facebook.buck.util.KeystoreProperties.java

/**
 * @return a non-null, non-empty value for the specified property
 * @throws HumanReadableException if there is no value for the specified property
 *///from www  .j  a va2  s  . com
private static String getOrThrowException(Properties properties, String propertyName,
        Path pathToKeystorePropertiesFile) {
    String value = Strings.nullToEmpty(properties.getProperty(propertyName)).trim();
    if (value.isEmpty()) {
        throw new HumanReadableException("properties file %s did not contain a value for the property %s",
                pathToKeystorePropertiesFile, propertyName);
    } else {
        return value;
    }
}

From source file:edu.cmu.lti.oaqa.bioqa.providers.query.PubMedQueryStringConstructor.java

@Override
public String formatQueryConcept(String formatQueryField, String formatQueryText) {
    return formatQueryText + Strings.nullToEmpty(formatQueryField);
}

From source file:org.sosy_lab.cpachecker.exceptions.RefinementFailedException.java

private static String getMessage(Reason r, @Nullable Throwable t) {
    StringBuilder sb = new StringBuilder();
    sb.append("Refinement failed: ");
    sb.append(r.toString());// w ww .j a v a  2s.c  om
    if (t != null) {
        String msg = Strings.nullToEmpty(t.getMessage());
        if (!msg.isEmpty()) {
            sb.append(" (");
            sb.append(msg);
            sb.append(")");
        }
    }
    return sb.toString();
}