Java Code Examples for java.util.Hashtable#putIfAbsent()

The following examples show how to use java.util.Hashtable#putIfAbsent() . 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
protected ServiceRegistration<?> registerExtension(
    String name, Object... keyValues) {

    TestFilter testFilter = new TestFilter();

    Hashtable<String, Object> properties = new Hashtable<>();

    properties.put(JAX_RS_EXTENSION, true);
    properties.put(JAX_RS_NAME, name);
    properties.putIfAbsent(
        JAX_RS_APPLICATION_SELECT, "(osgi.jaxrs.name=*)");

    for (int i = 0; i < keyValues.length; i = i + 2) {
        properties.put(keyValues[i].toString(), keyValues[i + 1]);
    }

    ServiceRegistration<ContainerResponseFilter> serviceRegistration =
        bundleContext.registerService(
            ContainerResponseFilter.class, testFilter, properties);

    _registrations.add(serviceRegistration);

    return serviceRegistration;
}
 
Example 2
protected <T> ServiceRegistration<T> registerExtension(
    Class<T> clazz, T extension, String name, Object... keyValues) {

    Hashtable<String, Object> properties = new Hashtable<>();

    properties.put(JAX_RS_EXTENSION, true);
    properties.put(JAX_RS_NAME, name);
    properties.putIfAbsent(
        JAX_RS_APPLICATION_SELECT, "(osgi.jaxrs.name=*)");

    for (int i = 0; i < keyValues.length; i = i + 2) {
        properties.put(keyValues[i].toString(), keyValues[i + 1]);
    }

    ServiceRegistration<T> serviceRegistration =
        bundleContext.registerService(clazz, extension, properties);

    _registrations.add(serviceRegistration);

    return serviceRegistration;
}
 
Example 3
protected ServiceRegistration<?> registerInvalidExtension(
    String name, Object... keyValues) {

    TestFilter testFilter = new TestFilter();

    Hashtable<String, Object> properties = new Hashtable<>();

    properties.put(JAX_RS_EXTENSION, true);
    properties.put(JAX_RS_NAME, name);
    properties.putIfAbsent(
        JAX_RS_APPLICATION_SELECT, "(osgi.jaxrs.name=*)");

    for (int i = 0; i < keyValues.length; i = i + 2) {
        properties.put(keyValues[i].toString(), keyValues[i + 1]);
    }

    ServiceRegistration<Object> serviceRegistration =
        bundleContext.registerService(
            Object.class, testFilter, properties);

    _registrations.add(serviceRegistration);

    return serviceRegistration;
}
 
Example 4
protected ServiceRegistration<?> registerMultiExtension(
    String name, String... classes) {

    Hashtable<String, Object> properties = new Hashtable<>();

    properties.put(JAX_RS_EXTENSION, true);
    properties.put(JAX_RS_NAME, name);
    properties.putIfAbsent(
        JAX_RS_APPLICATION_SELECT, "(osgi.jaxrs.name=*)");

    ServiceRegistration<?> serviceRegistration =
        bundleContext.registerService(
            classes, new TestFilterAndExceptionMapper(), properties);

    _registrations.add(serviceRegistration);

    return serviceRegistration;
}
 
Example 5
Source Project: tutorials   File: HashtableUnitTest.java    License: MIT License 6 votes vote down vote up
@Test
public void whenPutifAbsent_thenNotRewritten() {

    Hashtable<Word, String> table = new Hashtable<Word, String>();
    table.put(new Word("cat"), "a small domesticated carnivorous mammal");

    String definition = "an animal";
    // old way
    /* if (!table.containsKey(new Word("cat"))) {
        table.put(new Word("cat"), definition);
    }*/
    // new way
    table.putIfAbsent(new Word("cat"), definition);

    assertThat(table.get(new Word("cat")), is("a small domesticated carnivorous mammal"));
}