Example usage for java.util Collections emptyList

Introduction

In this page you can find the example usage for java.util Collections emptyList.

Prototype

@SuppressWarnings("unchecked")
public static final <T> List<T> emptyList()

Source Link

Document

Returns an empty list (immutable).

Usage

From source file:org.openmrs.web.taglib.GlobalPropertyTag.java

public int doStartTag() {

    Object value;/*from   ww w. ja  va2 s .c  o m*/
    if (StringUtils.hasText(listSeparator)) {
        value = Collections.singletonList(defaultValue);
    } else {
        value = defaultValue;
    }

    if (StringUtils.hasText(listSeparator)) {
        String stringVal = (String) Context.getAdministrationService().getGlobalProperty(key, defaultValue);
        if (stringVal.trim().length() == 0) {
            value = Collections.emptyList();
        } else {
            value = Arrays.asList(stringVal.split(listSeparator));
        }
    } else {
        value = (String) Context.getAdministrationService().getGlobalProperty(key, defaultValue);
    }

    try {
        if (var != null) {
            pageContext.setAttribute(var, value);
        } else {
            pageContext.getOut().write(value.toString());
        }

    } catch (Exception e) {
        log.error("error getting global property", e);
    }
    return SKIP_BODY;
}

From source file:com.gargoylesoftware.htmlunit.util.DebuggingWebConnectionTest.java

/**
 * @throws Exception if the test fails/*w  w w . ja v a2s .  c  om*/
 */
@Test
public void nameValueListToJsMap() throws Exception {
    assertEquals("{}", DebuggingWebConnection.nameValueListToJsMap(null));
    final List<NameValuePair> emptyList = Collections.emptyList();
    assertEquals("{}", DebuggingWebConnection.nameValueListToJsMap(emptyList));

    List<NameValuePair> list = Collections.singletonList(new NameValuePair("name", "value"));
    assertEquals("{'name': 'value'}", DebuggingWebConnection.nameValueListToJsMap(list));

    list = Collections.singletonList(new NameValuePair("na me", "value"));
    assertEquals("{'na me': 'value'}", DebuggingWebConnection.nameValueListToJsMap(list));

    list = new ArrayList<>();
    list.add(new NameValuePair("na me", "value1"));
    list.add(new NameValuePair("key", "value 2"));
    list.add(new NameValuePair("key 2", "value 3"));
    list.add(new NameValuePair("key 4", "with ' quote")); // can it really happen in header?
    final String expected = "{'na me': 'value1', 'key': 'value 2', 'key 2': 'value 3', 'key 4': 'with \\' quote'}";
    assertEquals(expected, DebuggingWebConnection.nameValueListToJsMap(list));
}

From source file:com.synopsys.integration.executable.Executable.java

public static Executable create(final File workingDirectory, Map<String, String> environmentVariables,
        File executableFile) {//from w w  w  . j  a  va 2s .c o m
    return create(workingDirectory, environmentVariables, executableFile.getAbsolutePath(),
            Collections.emptyList());
}

From source file:com.hortonworks.streamline.streams.cluster.register.impl.HBaseServiceRegistrar.java

@Override
protected List<ServiceConfiguration> createServiceConfigurations(Config config) {
    return Collections.emptyList();
}

From source file:de.brendamour.jpasskit.PWAssociatedApp.java

public List<String> getValidationErrors() {
    return Collections.emptyList();
}

From source file:eu.over9000.cathode.data.parameters.Direction.java

@Override
public List<NameValuePair> buildParamPairs() {
    if (direction == null) {
        return Collections.emptyList();
    }/*from   ww  w  .j  a  v a2s.  c om*/
    return Collections.singletonList(new BasicNameValuePair("direction", direction.name()));
}

From source file:com.navercorp.pinpoint.web.vo.stat.chart.DownSamplerTestBase.java

@Test
public void sampler_should_return_default_value() {
    // Given//from w w  w . j  av a2  s  . c om
    final List<T> samples = Collections.emptyList();
    // When
    T min = sampler.sampleMin(samples);
    T max = sampler.sampleMax(samples);
    double avg = sampler.sampleAvg(samples);
    double roundedAvg = sampler.sampleAvg(samples, NUM_DECIMALS_FOR_ROUNDED_AVG);
    // Then
    Assert.assertEquals(DEFAULT_VALUE, min.intValue());
    Assert.assertEquals(DEFAULT_VALUE, max.intValue());
    Assert.assertEquals(DEFAULT_VALUE, avg, DOUBLE_COMPARISON_DELTA);
    Assert.assertEquals(DEFAULT_VALUE, roundedAvg, NUM_DECIMALS_FOR_ROUNDED_AVG);
}

From source file:org.hawkular.apm.api.model.analytics.ServiceDeployment.java

/**
 * Creates a new Service Deployment, based on the given name and list of build stamps.
 * @param name        the service name. Required.
 * @param buildStamps the list of build stamps. Optional.
 *//*ww  w .  j  ava2 s .c  o  m*/
public ServiceDeployment(String name, List<BuildStamp> buildStamps) {
    if (null == name || name.isEmpty()) {
        throw new IllegalStateException("The service name cannot be null nor empty.");
    }

    if (null == buildStamps) {
        buildStamps = Collections.emptyList();
    }

    this.name = name;
    this.buildStamps = buildStamps;
}

From source file:com.thoughtworks.go.spark.RoutesHelper.java

private RoutesHelper(SparkSpringController[] controllers, SparkController[] apiControllers) {
    this.controllers = controllers == null ? Collections.emptyList() : Arrays.asList(controllers);
    this.sparkControllers = apiControllers == null ? Collections.emptyList() : Arrays.asList(apiControllers);
}

From source file:cd.go.authentication.ldap.utils.Util.java

public static List<String> splitIntoLinesAndTrimSpaces(String lines) {
    if (StringUtils.isBlank(lines)) {
        return Collections.emptyList();
    }//from   w  w w .  jav  a 2s  .  c  om

    return Arrays.asList(lines.split("\\s*[\r\n]+\\s*"));
}