Examples with TypedValue org.mule.runtime.api.metadata.TypedValue used on opensource projects

Example 36 with TypedValue

use of org.mule.runtime.api.metadata.TypedValue in project mule by mulesoft.

the class StreamingUtils method consumeRepeatablePayload.

/**
 * If the {@code event} has a repeatable payload (instance of {@link CursorProvider}), then this method returns a new
 * event which payload has an equivalent, already consumed structure. This functionality makes sense for cases like
 * caching in which the contents of the stream need to survive the completion of the event that generated it.
 * <p>
 * If the payload is a {@link CursorStreamProvider}, then it will be consumed into a {@link ByteArrayCursorStreamProvider}
 * so that the contents are fully in memory while still keeping repeatable byte streaming semantics.
 * <p>
 * If the payload is a {@link CursorIteratorProvider}, then the contents will be consumed into a {@link List}.
 * <p>
 * In any other case, the same input event is returned
 *
 * @param event an event which might have a repeatable payload
 * @return a {@link CoreEvent}
 * @since 4.1
 */
public static CoreEvent consumeRepeatablePayload(CoreEvent event) {
    TypedValue payload = event.getMessage().getPayload();
    final Object originalPayload = payload.getValue();
    if (originalPayload == null) {
        return event;
    }
    DataType originalDataType = payload.getDataType();
    TypedValue replacedPayload = null;
    if (originalPayload instanceof CursorStreamProvider) {
        Object consumedPayload = asCursorProvider(toByteArray((CursorStreamProvider) originalPayload));
        replacedPayload = new TypedValue(consumedPayload, DataType.builder(originalDataType).type(consumedPayload.getClass()).build());
    } else if (originalPayload instanceof CursorIteratorProvider) {
        List consumed = new LinkedList<>();
        ((CursorIteratorProvider) originalPayload).openCursor().forEachRemaining(consumed::add);
        DataType newDataType;
        if (originalDataType instanceof CollectionDataType) {
            final CollectionDataType collectionDataType = (CollectionDataType) originalDataType;
            newDataType = DataType.builder(originalDataType).collectionType(consumed.getClass()).itemType(collectionDataType.getItemDataType().getType()).itemMediaType(collectionDataType.getItemDataType().getMediaType()).build();
        } else {
            newDataType = DataType.builder(originalDataType).type(consumed.getClass()).build();
        }
        replacedPayload = new TypedValue(consumed, newDataType);
    }
    if (replacedPayload != null) {
        event = CoreEvent.builder(event).message(Message.builder(event.getMessage()).payload(replacedPayload).build()).build();
    }
    return event;
}

Example 37 with TypedValue

use of org.mule.runtime.api.metadata.TypedValue in project mule by mulesoft.

the class MuleFunctionsBindingContextProvider method getBindingContext.

@Override
public BindingContext getBindingContext() {
    BindingContext.Builder builder = BindingContext.builder();
    PropertyAccessFunction propertyFunction = new PropertyAccessFunction(configurationProperties);
    builder.addBinding("p", new TypedValue(propertyFunction, fromFunction(propertyFunction)));
    ExpressionFunction lookupFunction = new LookupFunction(componentLocator);
    builder.addBinding("lookup", new TypedValue(lookupFunction, fromFunction(lookupFunction)));
    ExpressionFunction causedByFunction = new CausedByFunction(errorTypeRepository);
    builder.addBinding("causedBy", new TypedValue(causedByFunction, fromFunction(causedByFunction)));
    return builder.build();
}

Example 38 with TypedValue

use of org.mule.runtime.api.metadata.TypedValue in project mule by mulesoft.

the class EventToMessageSequenceSplittingStrategy method split.

@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public MessageSequence<?> split(CoreEvent event) {
    if (expressionSplitterStrategy.hasDefaultExpression()) {
        Message msg = event.getMessage();
        Object payload = msg.getPayload().getValue();
        if (payload instanceof MessageSequence<?>) {
            return ((MessageSequence<?>) payload);
        }
        if (payload instanceof Iterator<?>) {
            return new IteratorMessageSequence(((Iterator<Object>) payload));
        }
        if (payload instanceof Collection) {
            return new CollectionMessageSequence(copyCollection((Collection) payload));
        } else if (payload instanceof CursorIteratorProvider) {
            return new IteratorMessageSequence(((CursorIteratorProvider) payload).openCursor());
        } else if (payload instanceof Iterable<?>) {
            return new IteratorMessageSequence(((Iterable<Object>) payload).iterator());
        } else if (payload instanceof Object[]) {
            return new ArrayMessageSequence((Object[]) payload);
        } else if (payload instanceof NodeList) {
            return new NodeListMessageSequence((NodeList) payload);
        } else if (payload instanceof Map<?, ?>) {
            List<Object> list = new LinkedList<>();
            Set<Map.Entry<?, ?>> set = ((Map) payload).entrySet();
            for (Map.Entry<?, ?> entry : set) {
                list.add(new ImmutableEntry<>(entry));
            }
            return new CollectionMessageSequence(list);
        }
    }
    try {
        Iterator<TypedValue<?>> valueIterator = expressionSplitterStrategy.split(event);
        if (hasMelExpression(expressionSplitterStrategy.getExpression())) {
            List<Object> iteratorCollection = new ArrayList<>();
            valueIterator.forEachRemaining(iteratorCollection::add);
            return new CollectionMessageSequence<>(iteratorCollection);
        }
        return new IteratorMessageSequence(valueIterator);
    } catch (ExpressionRuntimeException e) {
        throw e;
    } catch (Exception e) {
        throw new IllegalArgumentException(format("Could not split result of expression %s. The provided value is not instance of %s java " + "type or it's not a collection in any other format", expressionSplitterStrategy.getExpression(), new Class[] { Iterable.class, Iterator.class, MessageSequence.class, Collection.class }), e);
    }
}

Example 39 with TypedValue

use of org.mule.runtime.api.metadata.TypedValue in project mule by mulesoft.

the class AbstractMessageSequenceSplitter method initEventBuilder.

private void initEventBuilder(Object sequenceValue, CoreEvent originalEvent, Builder builder, Map<String, ?> flowVarsFromLastResult) {
    if (sequenceValue instanceof EventBuilderConfigurer) {
        ((EventBuilderConfigurer) sequenceValue).configure(builder);
    } else if (sequenceValue instanceof CoreEvent) {
        final CoreEvent payloadAsEvent = (CoreEvent) sequenceValue;
        builder.message(payloadAsEvent.getMessage());
        for (String flowVarName : payloadAsEvent.getVariables().keySet()) {
            if (!flowVarsFromLastResult.containsKey(flowVarName)) {
                builder.addVariable(flowVarName, payloadAsEvent.getVariables().get(flowVarName).getValue(), payloadAsEvent.getVariables().get(flowVarName).getDataType());
            }
        }
    } else if (sequenceValue instanceof Message) {
        final Message message = (Message) sequenceValue;
        builder.message(message);
    } else if (sequenceValue instanceof TypedValue) {
        builder.message(Message.builder().payload((TypedValue) sequenceValue).build());
    } else if (sequenceValue instanceof Collection) {
        builder.message(Message.builder(originalEvent.getMessage()).value(((Collection) sequenceValue).stream().map(v -> v instanceof TypedValue ? ((TypedValue) v).getValue() : v).collect(toList())).build());
    } else {
        builder.message(Message.builder(originalEvent.getMessage()).value(sequenceValue).build());
    }
}

Example 40 with TypedValue

use of org.mule.runtime.api.metadata.TypedValue in project mule by mulesoft.

the class SoapOperationExecutor method evaluateHeaders.

private Object evaluateHeaders(InputStream headers) {
    String hs = IOUtils.toString(headers);
    BindingContext context = BindingContext.builder().addBinding("payload", new TypedValue<>(hs, DataType.XML_STRING)).build();
    return expressionExecutor.evaluate("%dw 2.0 \n" + "output application/java \n" + "---\n" + "payload.headers mapObject (value, key) -> {\n" + "    '$key' : write((key): value, \"application/xml\")\n" + "}", context).getValue();
}