Examples of org.apache.camel.Component

org.apache.camel.Component
emq.apache.org/camel/component.html">component is a factory of {@link Endpoint} objects. @version $Revision: 519901 $

            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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    public List<String> completeEndpointPath(String componentName, Map<String, Object> endpointParameters,
                                             String completionText) throws Exception {
        if (completionText == null) {
            completionText = "";
        }
        Component component = context.getComponent(componentName, false);
        if (component != null) {
            ComponentConfiguration configuration = component.createComponentConfiguration();
            configuration.setParameters(endpointParameters);
            return configuration.completeEndpointPath(completionText);
        } else {
            return new ArrayList<String>();
        }

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            return new ArrayList<String>();
        }
    }


    public String componentParameterJsonSchema(String componentName) throws Exception {
        Component component = context.getComponent(componentName);
        if (component != null) {
            ComponentConfiguration configuration = component.createComponentConfiguration();
            return configuration.createParameterJsonSchema();
        } else {
            return 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(pc.getPrefixToken() + key + pc.getSuffixToken(), 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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    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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        this.camelContext = camelContext;
    }


    public synchronized ScheduledExecutorService getExecutorService() {
        if (executorService == null) {
            Component c = getComponent();
            if (c != null && c instanceof DefaultComponent) {
                DefaultComponent dc = (DefaultComponent) c;
                executorService = dc.getExecutorService();
            }
            if (executorService == null) {

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 */
public class DefaultCamelContextTest extends TestCase {


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

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