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

The following examples show how to use java.util.Hashtable#putIfAbsent() . 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 File: TestHelper.java    From aries-jax-rs-whiteboard with Apache License 2.0 6 votes vote down vote up
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 File: TestHelper.java    From aries-jax-rs-whiteboard with Apache License 2.0 6 votes vote down vote up
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 File: TestHelper.java    From aries-jax-rs-whiteboard with Apache License 2.0 6 votes vote down vote up
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 File: TestHelper.java    From aries-jax-rs-whiteboard with Apache License 2.0 6 votes vote down vote up
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 File: HashtableUnitTest.java    From tutorials with 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"));
}