Package org.apache.camel

Examples of org.apache.camel.Component

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    public String resolvePropertyPlaceholders(String text) throws Exception {
        // do not parse uris that are designated for the properties component as it will handle that itself
        if (text != null && !text.startsWith("properties:") && text.contains(PropertiesComponent.PREFIX_TOKEN)) {
            // the uri contains property placeholders so lookup mandatory properties component and let it parse it
            Component component = hasComponent("properties");
            if (component == null) {
                // then fallback to lookup the component
                component = getRegistry().lookup("properties", Component.class);
            }
            if (component == null) {
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            public Object evaluate(Exchange exchange) {
                try {
                    if (locations != null) {
                        // the properties component is optional as we got locations
                        // getComponent will create a new component if none already exists
                        Component component = exchange.getContext().getComponent("properties");
                        PropertiesComponent pc = exchange.getContext().getTypeConverter()
                                .mandatoryConvertTo(PropertiesComponent.class, component);
                        // enclose key with {{ }} to force parsing
                        String[] paths = locations.split(",");
                        return pc.parseUri(PropertiesComponent.PREFIX_TOKEN + key + PropertiesComponent.SUFFIX_TOKEN, paths);
                    } else {
                        // the properties component is mandatory if no locations provided
                        Component component = exchange.getContext().hasComponent("properties");
                        if (component == null) {
                            throw new IllegalArgumentException("PropertiesComponent with name properties must be defined"
                                    + " in CamelContext to support property placeholders in expressions");
                        }
                        PropertiesComponent pc = exchange.getContext().getTypeConverter()
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                }
                return (Component) bean;
            } else {
                // lets use Camel's type conversion mechanism to convert things like CamelContext
                // and other types into a valid Component
                Component component = CamelContextHelper.convertTo(context, Component.class, bean);
                if (component != null) {
                    return component;
                }
            }
        } catch (Exception e) {
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    public void testMultipleLifecycle() throws Exception {
        CamelContext context = createCamelContext();
        context.start();

        Component log = new LogComponent();
        context.addComponent("log", log);

        context.addEndpoint("log:/foo", log.createEndpoint("log://foo"));

        context.removeComponent("log");

        context.stop();
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public class DefaultCamelContextTest extends TestSupport {

    public void testAutoCreateComponentsOn() {
        DefaultCamelContext ctx = new DefaultCamelContext();
        ctx.disableJMX();
        Component component = ctx.getComponent("bean");
        assertNotNull(component);
        assertEquals(component.getClass(), BeanComponent.class);
    }
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    public void testAutoCreateComponentsOff() {
        DefaultCamelContext ctx = new DefaultCamelContext();
        ctx.disableJMX();
        ctx.setAutoCreateComponents(false);
        Component component = ctx.getComponent("bean");
        assertNull(component);
    }
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    }

    public void testGetComponents() throws Exception {
        DefaultCamelContext ctx = new DefaultCamelContext();
        ctx.disableJMX();
        Component component = ctx.getComponent("bean");
        assertNotNull(component);

        List<String> list = ctx.getComponentNames();
        assertEquals(1, list.size());
        assertEquals("bean", list.get(0));
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    public Component getComponent(String name) {
        // synchronize the look up and auto create so that 2 threads can't
        // concurrently auto create the same component.
        synchronized (components) {
            Component component = components.get(name);
            if (component == null && autoCreateComponents) {
                try {
                    component = getComponentResolver().resolveComponent(name, this);
                    if (component != null) {
                        addComponent(name, component);
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            return component;
        }
    }

    public <T extends Component> T getComponent(String name, Class<T> componentType) {
        Component component = getComponent(name);
        if (componentType.isInstance(component)) {
            return componentType.cast(component);
        } else {
            throw new IllegalArgumentException("The component is not of type: " + componentType + " but is: "
                    + component);
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        }
    }

    public Component getOrCreateComponent(String componentName, Callable<Component> factory) {
        synchronized (components) {
            Component component = components.get(componentName);
            if (component == null) {
                try {
                    component = factory.call();
                    if (component == null) {
                        throw new RuntimeCamelException("Factory failed to create the " + componentName
                                + " component, it returned null.");
                    }
                    components.put(componentName, component);
                    component.setCamelContext(this);
                } catch (Exception e) {
                    throw new RuntimeCamelException("Factory failed to create the " + componentName
                            + " component", e);
                }
            }
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Related Classes of org.apache.camel.Component

  • amqp.spring.camel.component.SpringAMQPComponentTest
  • amqp.spring.camel.component.SpringAMQPProducerTest
  • org.apache.camel.blueprint.BlueprintComponentResolver
  • org.apache.camel.builder.ExpressionBuilder
  • org.apache.camel.component.context.QualifiedContextComponent
  • org.apache.camel.component.http4.HttpCustomComponentNameTest
  • org.apache.camel.component.jms.JmsComponentConfigurationTest
  • org.apache.camel.component.jms.JmsEndpoint
  • org.apache.camel.component.ref.RefComponentTest
  • org.apache.camel.component.rest.RestEndpoint
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