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

Source Project: aries-jax-rs-whiteboard File: TestHelper.java License: Apache License 2.0

6 votes

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

Source Project: aries-jax-rs-whiteboard File: TestHelper.java License: Apache License 2.0

6 votes

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

Source Project: aries-jax-rs-whiteboard File: TestHelper.java License: Apache License 2.0

6 votes

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

Source Project: aries-jax-rs-whiteboard File: TestHelper.java License: Apache License 2.0

6 votes

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

@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"));
}