Example usage for org.springframework.messaging.support MessageBuilder withPayload

Introduction

In this page you can find the example usage for org.springframework.messaging.support MessageBuilder withPayload.

Prototype

public static <T> MessageBuilder<T> withPayload(T payload) 

Source Link

Document

Create a new builder for a message with the given payload.

Usage

From source file:org.springframework.messaging.support.converter.AbstractMessageConverter.java

@Override
public final Message<?> toMessage(Object payload, MessageHeaders headers) {
    if (!canConvertTo(payload, headers)) {
        return null;
    }//ww w.  jav a 2 s  . c o  m
    payload = convertToInternal(payload, headers);
    MessageBuilder<?> builder = MessageBuilder.withPayload(payload);
    if (headers != null) {
        builder.copyHeaders(headers);
    }
    MimeType mimeType = getDefaultContentType(payload);
    if (mimeType != null) {
        builder.setHeaderIfAbsent(MessageHeaders.CONTENT_TYPE, mimeType);
    }
    return builder.build();
}

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From source file:org.springframework.samples.portfolio.web.tomcat.TestStompClient.java

public void subscribe(String destination, MessageHandler messageHandler) {

    String id = String.valueOf(this.subscriptionIndex.getAndIncrement());
    this.subscriptionHandlers.put(id, messageHandler);

    StompHeaderAccessor headers = StompHeaderAccessor.create(StompCommand.SUBSCRIBE);
    headers.setSubscriptionId(id);//  www  .  j a  va  2 s .  co  m
    headers.setDestination(destination);

    Message<byte[]> message = MessageBuilder.withPayload(new byte[0]).setHeaders(headers).build();
    byte[] bytes = encoder.encode(message);
    try {
        this.session.sendMessage(new TextMessage(new String(bytes, DEFAULT_CHARSET)));
    } catch (IOException e) {
        throw new IllegalStateException(e);
    }
}

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From source file:org.springframework.statemachine.ensemble.DistributedStateMachine.java

@Override
public boolean sendEvent(E event) {
    return sendEvent(MessageBuilder.withPayload(event).build());
}

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From source file:org.springframework.statemachine.EnumStateMachineTests.java

@Test
public void testSimpleStateSwitch() {
    PseudoState<TestStates, TestEvents> pseudoState = new DefaultPseudoState<TestStates, TestEvents>(
            PseudoStateKind.INITIAL);//from   w w  w  .jav  a  2s  .c  om
    State<TestStates, TestEvents> stateSI = new EnumState<TestStates, TestEvents>(TestStates.SI, pseudoState);
    State<TestStates, TestEvents> stateS1 = new EnumState<TestStates, TestEvents>(TestStates.S1);
    State<TestStates, TestEvents> stateS2 = new EnumState<TestStates, TestEvents>(TestStates.S2);
    State<TestStates, TestEvents> stateS3 = new EnumState<TestStates, TestEvents>(TestStates.S3);

    Collection<State<TestStates, TestEvents>> states = new ArrayList<State<TestStates, TestEvents>>();
    states.add(stateSI);
    states.add(stateS1);
    states.add(stateS2);
    states.add(stateS3);

    Collection<Transition<TestStates, TestEvents>> transitions = new ArrayList<Transition<TestStates, TestEvents>>();

    Collection<Action<TestStates, TestEvents>> actionsFromSIToS1 = new ArrayList<Action<TestStates, TestEvents>>();
    actionsFromSIToS1.add(new LoggingAction("actionsFromSIToS1"));
    DefaultExternalTransition<TestStates, TestEvents> transitionFromSIToS1 = new DefaultExternalTransition<TestStates, TestEvents>(
            stateSI, stateS1, actionsFromSIToS1, TestEvents.E1, null,
            new EventTrigger<TestStates, TestEvents>(TestEvents.E1));

    Collection<Action<TestStates, TestEvents>> actionsFromS1ToS2 = new ArrayList<Action<TestStates, TestEvents>>();
    actionsFromS1ToS2.add(new LoggingAction("actionsFromS1ToS2"));
    DefaultExternalTransition<TestStates, TestEvents> transitionFromS1ToS2 = new DefaultExternalTransition<TestStates, TestEvents>(
            stateS1, stateS2, actionsFromS1ToS2, TestEvents.E2, null,
            new EventTrigger<TestStates, TestEvents>(TestEvents.E2));

    Collection<Action<TestStates, TestEvents>> actionsFromS2ToS3 = new ArrayList<Action<TestStates, TestEvents>>();
    actionsFromS1ToS2.add(new LoggingAction("actionsFromS2ToS3"));
    DefaultExternalTransition<TestStates, TestEvents> transitionFromS2ToS3 = new DefaultExternalTransition<TestStates, TestEvents>(
            stateS2, stateS3, actionsFromS2ToS3, TestEvents.E3, null,
            new EventTrigger<TestStates, TestEvents>(TestEvents.E3));

    transitions.add(transitionFromSIToS1);
    transitions.add(transitionFromS1ToS2);
    transitions.add(transitionFromS2ToS3);

    SyncTaskExecutor taskExecutor = new SyncTaskExecutor();
    BeanFactory beanFactory = new DefaultListableBeanFactory();
    ObjectStateMachine<TestStates, TestEvents> machine = new ObjectStateMachine<TestStates, TestEvents>(states,
            transitions, stateSI);
    machine.setTaskExecutor(taskExecutor);
    machine.setBeanFactory(beanFactory);
    machine.afterPropertiesSet();
    machine.start();

    State<TestStates, TestEvents> initialState = machine.getInitialState();
    assertThat(initialState, is(stateSI));

    State<TestStates, TestEvents> state = machine.getState();
    assertThat(state, is(stateSI));

    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
    state = machine.getState();
    assertThat(state, is(stateS1));

    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E2).build());
    state = machine.getState();
    assertThat(state, is(stateS2));

    // not processed
    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
    state = machine.getState();
    assertThat(state, is(stateS2));

    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E3).build());
    state = machine.getState();
    assertThat(state, is(stateS3));
}

---

From source file:org.springframework.statemachine.EnumStateMachineTests.java

@Test
public void testDeferredEvents() {
    PseudoState<TestStates, TestEvents> pseudoState = new DefaultPseudoState<TestStates, TestEvents>(
            PseudoStateKind.INITIAL);/*w ww  .  j a va  2  s.  co  m*/

    Collection<TestEvents> deferred = new ArrayList<TestEvents>();
    deferred.add(TestEvents.E2);
    deferred.add(TestEvents.E3);

    // states
    State<TestStates, TestEvents> stateSI = new EnumState<TestStates, TestEvents>(TestStates.SI, deferred, null,
            null, pseudoState);
    State<TestStates, TestEvents> stateS1 = new EnumState<TestStates, TestEvents>(TestStates.S1);
    State<TestStates, TestEvents> stateS2 = new EnumState<TestStates, TestEvents>(TestStates.S2);
    State<TestStates, TestEvents> stateS3 = new EnumState<TestStates, TestEvents>(TestStates.S3);

    Collection<State<TestStates, TestEvents>> states = new ArrayList<State<TestStates, TestEvents>>();
    states.add(stateSI);
    states.add(stateS1);
    states.add(stateS2);
    states.add(stateS3);

    // transitions
    Collection<Transition<TestStates, TestEvents>> transitions = new ArrayList<Transition<TestStates, TestEvents>>();

    Collection<Action<TestStates, TestEvents>> actionsFromSIToS1 = new ArrayList<Action<TestStates, TestEvents>>();
    actionsFromSIToS1.add(new LoggingAction("actionsFromSIToS1"));
    DefaultExternalTransition<TestStates, TestEvents> transitionFromSIToS1 = new DefaultExternalTransition<TestStates, TestEvents>(
            stateSI, stateS1, actionsFromSIToS1, TestEvents.E1, null,
            new EventTrigger<TestStates, TestEvents>(TestEvents.E1));

    Collection<Action<TestStates, TestEvents>> actionsFromS1ToS2 = new ArrayList<Action<TestStates, TestEvents>>();
    actionsFromS1ToS2.add(new LoggingAction("actionsFromS1ToS2"));
    DefaultExternalTransition<TestStates, TestEvents> transitionFromS1ToS2 = new DefaultExternalTransition<TestStates, TestEvents>(
            stateS1, stateS2, actionsFromS1ToS2, TestEvents.E2, null,
            new EventTrigger<TestStates, TestEvents>(TestEvents.E2));

    Collection<Action<TestStates, TestEvents>> actionsFromS2ToS3 = new ArrayList<Action<TestStates, TestEvents>>();
    actionsFromS1ToS2.add(new LoggingAction("actionsFromS2ToS3"));
    DefaultExternalTransition<TestStates, TestEvents> transitionFromS2ToS3 = new DefaultExternalTransition<TestStates, TestEvents>(
            stateS2, stateS3, actionsFromS2ToS3, TestEvents.E3, null,
            new EventTrigger<TestStates, TestEvents>(TestEvents.E3));

    transitions.add(transitionFromSIToS1);
    transitions.add(transitionFromS1ToS2);
    transitions.add(transitionFromS2ToS3);

    // create machine
    SyncTaskExecutor taskExecutor = new SyncTaskExecutor();
    BeanFactory beanFactory = new DefaultListableBeanFactory();
    ObjectStateMachine<TestStates, TestEvents> machine = new ObjectStateMachine<TestStates, TestEvents>(states,
            transitions, stateSI);
    machine.setTaskExecutor(taskExecutor);
    machine.setBeanFactory(beanFactory);
    machine.afterPropertiesSet();
    machine.start();

    State<TestStates, TestEvents> initialState = machine.getInitialState();
    assertThat(initialState, is(stateSI));

    State<TestStates, TestEvents> state = machine.getState();
    assertThat(state, is(stateSI));

    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E2).build());
    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E3).build());
    state = machine.getState();
    assertThat(state, is(stateSI));

    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
    state = machine.getState();
    assertThat(state, is(stateS3));
}

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From source file:org.springframework.statemachine.EnumStateMachineTests.java

@Test
public void testInternalTransitions() {
    PseudoState<TestStates, TestEvents> pseudoState = new DefaultPseudoState<TestStates, TestEvents>(
            PseudoStateKind.INITIAL);//w w  w  .  j ava 2  s  .  c o  m
    State<TestStates, TestEvents> stateSI = new EnumState<TestStates, TestEvents>(TestStates.SI, pseudoState);

    Collection<State<TestStates, TestEvents>> states = new ArrayList<State<TestStates, TestEvents>>();
    states.add(stateSI);

    Collection<Action<TestStates, TestEvents>> actionsInSI = new ArrayList<Action<TestStates, TestEvents>>();
    actionsInSI.add(new LoggingAction("actionsInSI"));
    DefaultInternalTransition<TestStates, TestEvents> transitionInternalSI = new DefaultInternalTransition<TestStates, TestEvents>(
            stateSI, actionsInSI, TestEvents.E1, null, new EventTrigger<TestStates, TestEvents>(TestEvents.E1));

    // transitions
    Collection<Transition<TestStates, TestEvents>> transitions = new ArrayList<Transition<TestStates, TestEvents>>();
    transitions.add(transitionInternalSI);

    SyncTaskExecutor taskExecutor = new SyncTaskExecutor();
    BeanFactory beanFactory = new DefaultListableBeanFactory();
    ObjectStateMachine<TestStates, TestEvents> machine = new ObjectStateMachine<TestStates, TestEvents>(states,
            transitions, stateSI);
    machine.setTaskExecutor(taskExecutor);
    machine.setBeanFactory(beanFactory);
    machine.afterPropertiesSet();
    machine.start();

    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
}

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From source file:org.springframework.statemachine.listener.ListenerTests.java

@Test
public void testStateEvents() {
    AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(Config1.class);
    assertTrue(ctx.containsBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE));
    @SuppressWarnings("unchecked")
    ObjectStateMachine<TestStates, TestEvents> machine = ctx
            .getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE, ObjectStateMachine.class);
    machine.start();/*  w ww .java  2  s. c om*/

    TestStateMachineListener listener = new TestStateMachineListener();
    machine.addStateListener(listener);

    assertThat(machine, notNullValue());
    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).setHeader("foo", "jee1").build());
    assertThat(listener.states.size(), is(1));
    assertThat(listener.states.get(0).from.getIds(), contains(TestStates.S1));
    assertThat(listener.states.get(0).to.getIds(), contains(TestStates.S2));
    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E2).setHeader("foo", "jee2").build());
    assertThat(listener.states.size(), is(2));
    assertThat(listener.states.get(1).from.getIds(), contains(TestStates.S2));
    assertThat(listener.states.get(1).to.getIds(), contains(TestStates.S3));
    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E4).setHeader("foo", "jee2").build());
    assertThat(listener.states.size(), is(2));

    ctx.close();
}

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From source file:org.springframework.statemachine.StateMachineTests.java

@Test
public void testLoggingEvents() {
    context.register(Config1.class);
    context.refresh();/*from w w  w  . j  av  a2s.  co  m*/
    assertTrue(context.containsBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE));
    @SuppressWarnings("unchecked")
    ObjectStateMachine<TestStates, TestEvents> machine = context
            .getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE, ObjectStateMachine.class);
    assertThat(machine, notNullValue());
    machine.start();
    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).setHeader("foo", "jee1").build());
    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E2).setHeader("foo", "jee2").build());
    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E4).setHeader("foo", "jee2").build());
}

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From source file:org.springframework.statemachine.StateMachineTests.java

@Test
public void testStringStatesAndEvents() throws Exception {
    context.register(Config4.class);
    context.refresh();//ww w  . j  a  v a 2 s .c o m
    assertTrue(context.containsBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE));
    @SuppressWarnings("unchecked")
    StateMachine<String, String> machine = context.getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE,
            StateMachine.class);

    TestListener2 listener = new TestListener2();
    machine.addStateListener(listener);

    assertThat(machine, notNullValue());
    machine.start();
    listener.reset(1);
    machine.sendEvent(MessageBuilder.withPayload("E1").setHeader("foo", "jee1").build());
    assertThat(listener.stateChangedLatch.await(2, TimeUnit.SECONDS), is(true));
    assertThat(listener.stateChangedCount, is(1));
    assertThat(machine.getState().getIds(), containsInAnyOrder("S1"));
}

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From source file:org.springframework.statemachine.StateMachineTests.java

@Test
public void testBackToItself() {
    context.register(BaseConfig.class, Config5.class);
    context.refresh();//from  w w w.jav a  2 s. c om
    @SuppressWarnings("unchecked")
    StateMachine<TestStates, TestEvents> machine = context
            .getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE, StateMachine.class);
    assertThat(machine, notNullValue());
    TestStateEntryExitListener listener = new TestStateEntryExitListener();
    machine.addStateListener(listener);
    machine.start();
    assertThat(machine.getState().getIds(), contains(TestStates.SI));
    listener.reset();
    machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
    assertThat(machine.getState().getIds(), contains(TestStates.SI));
    assertThat(listener.exited.size(), is(1));
    assertThat(listener.entered.size(), is(1));
}

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