/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.model;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Supplier;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementRef;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
import javax.xml.bind.annotation.XmlType;

import org.apache.camel.Endpoint;
import org.apache.camel.ErrorHandlerFactory;
import org.apache.camel.NamedRoute;
import org.apache.camel.ShutdownRoute;
import org.apache.camel.ShutdownRunningTask;
import org.apache.camel.builder.EndpointConsumerBuilder;
import org.apache.camel.builder.ErrorHandlerBuilderRef;
import org.apache.camel.model.rest.RestBindingDefinition;
import org.apache.camel.model.rest.RestDefinition;
import org.apache.camel.spi.AsEndpointUri;
import org.apache.camel.spi.Metadata;
import org.apache.camel.spi.RoutePolicy;

/**
 * A Camel route
 */
@Metadata(label = "configuration")
@XmlRootElement(name = "route")
@XmlType(propOrder = {"input", "inputType", "outputType", "outputs", "routeProperties"})
@XmlAccessorType(XmlAccessType.PROPERTY)
// must use XmlAccessType.PROPERTY as there is some custom logic needed to be executed in the setter methods
public class RouteDefinition extends OutputDefinition<RouteDefinition> implements NamedRoute {
    private final AtomicBoolean prepared = new AtomicBoolean(false);
    private FromDefinition input;
    private String group;
    private String streamCache;
    private String trace;
    private String messageHistory;
    private String logMask;
    private String delayer;
    private String autoStartup;
    private Integer startupOrder;
    private List<RoutePolicy> routePolicies;
    private String routePolicyRef;
    private String shutdownRoute;
    private String shutdownRunningTask;
    private String errorHandlerRef;
    private ErrorHandlerFactory errorHandlerFactory;
    // keep state whether the error handler is context scoped or not
    // (will by default be context scoped of no explicit error handler
    // configured)
    private boolean contextScopedErrorHandler = true;
    private Boolean rest;
    private RestDefinition restDefinition;
    private RestBindingDefinition restBindingDefinition;
    private InputTypeDefinition inputType;
    private OutputTypeDefinition outputType;
    private List<PropertyDefinition> routeProperties;

    public RouteDefinition() {
    }

    public RouteDefinition(@AsEndpointUri String uri) {
        from(uri);
    }

    public RouteDefinition(Endpoint endpoint) {
        from(endpoint);
    }

    /**
     * This route is created from the REST DSL.
     */
    public void fromRest(@AsEndpointUri String uri) {
        from(uri);
        rest = true;
    }

    /**
     * Check if the route has been prepared
     *
     * @return wether the route has been prepared or not
     * @see RouteDefinitionHelper#prepareRoute(ModelCamelContext,
     *      RouteDefinition)
     */
    public boolean isPrepared() {
        return prepared.get();
    }

    /**
     * Marks the route definition as prepared.
     * <p/>
     * This is needed if routes have been created by components such as
     * <tt>camel-spring</tt> or <tt>camel-blueprint</tt>. Usually they share
     * logic in the <tt>camel-core-xml</tt> module which prepares the routes.
     */
    public void markPrepared() {
        prepared.set(true);
    }

    /**
     * Marks the route definition as un-prepared.
     * <p/>
     * This is needed if routes have been created by components such as
     * <tt>camel-scala</tt>. To unset the prepare so the routes can be prepared
     * at a later stage when scala has build the routes completely.
     */
    public void markUnprepared() {
        prepared.set(false);
    }

    @Override
    public String toString() {
        if (getId() != null) {
            return "Route(" + getId() + ")[" + (input != null ? input : "") + " -> " + outputs + "]";
        } else {
            return "Route[" + input + " -> " + outputs + "]";
        }
    }

    @Override
    public String getShortName() {
        return "route";
    }

    @Override
    public String getLabel() {
        return "Route[" + input.getLabel() + "]";
    }

    @Override
    public String getRouteId() {
        return getId();
    }

    @Override
    public String getEndpointUrl() {
        return input != null ? input.getEndpointUri() : null;
    }

    // Fluent API
    // -----------------------------------------------------------------------

    /**
     * Creates an input to the route
     *
     * @param uri the from uri
     * @return the builder
     */
    public RouteDefinition from(@AsEndpointUri String uri) {
        setInput(new FromDefinition(uri));
        return this;
    }

    /**
     * Creates an input to the route
     *
     * @param endpoint the from endpoint
     * @return the builder
     */
    public RouteDefinition from(Endpoint endpoint) {
        setInput(new FromDefinition(endpoint));
        return this;
    }

    /**
     * Creates an input to the route
     *
     * @param endpoint the from endpoint
     * @return the builder
     */
    public RouteDefinition from(EndpointConsumerBuilder endpoint) {
        setInput(new FromDefinition(endpoint));
        return this;
    }

    /**
     * Set the group name for this route
     *
     * @param name the group name
     * @return the builder
     */
    public RouteDefinition group(String name) {
        setGroup(name);
        return this;
    }

    /**
     * Set the route group for this route
     *
     * @param group the route group
     * @return the builder
     */
    @Override
    public RouteDefinition routeGroup(String group) {
        setGroup(group);
        return this;
    }

    /**
     * Set the route id for this route
     *
     * @param id the route id
     * @return the builder
     */
    @Override
    public RouteDefinition routeId(String id) {
        if (hasCustomIdAssigned()) {
            throw new IllegalArgumentException("You can only set routeId one time per route.");
        }
        setId(id);
        return this;
    }

    /**
     * Set the route description for this route
     *
     * @param description the route description
     * @return the builder
     */
    @Override
    public RouteDefinition routeDescription(String description) {
        DescriptionDefinition desc = new DescriptionDefinition();
        desc.setText(description);
        setDescription(desc);
        return this;
    }

    /**
     * Disable stream caching for this route.
     *
     * @return the builder
     */
    public RouteDefinition noStreamCaching() {
        setStreamCache("false");
        return this;
    }

    /**
     * Enable stream caching for this route.
     *
     * @return the builder
     */
    public RouteDefinition streamCaching() {
        setStreamCache("true");
        return this;
    }

    /**
     * Enable stream caching for this route.
     *
     * @param streamCache whether to use stream caching (true or false), the
     *            value can be a property placeholder
     * @return the builder
     */
    public RouteDefinition streamCaching(String streamCache) {
        setStreamCache(streamCache);
        return this;
    }

    /**
     * Disable tracing for this route.
     *
     * @return the builder
     */
    public RouteDefinition noTracing() {
        setTrace("false");
        return this;
    }

    /**
     * Enable tracing for this route.
     *
     * @return the builder
     */
    public RouteDefinition tracing() {
        setTrace("true");
        return this;
    }

    /**
     * Enable tracing for this route.
     *
     * @param tracing whether to use tracing (true or false), the value can be a
     *            property placeholder
     * @return the builder
     */
    public RouteDefinition tracing(String tracing) {
        setTrace(tracing);
        return this;
    }

    /**
     * Enable message history for this route.
     *
     * @return the builder
     */
    public RouteDefinition messageHistory() {
        setMessageHistory("true");
        return this;
    }

    /**
     * Enable message history for this route.
     *
     * @param messageHistory whether to use message history (true or false), the
     *            value can be a property placeholder
     * @return the builder
     */
    public RouteDefinition messageHistory(String messageHistory) {
        setMessageHistory(messageHistory);
        return this;
    }

    /**
     * Enable security mask for Logging on this route.
     *
     * @return the builder
     */
    public RouteDefinition logMask() {
        setLogMask("true");
        return this;
    }

    /**
     * Sets whether security mask for logging is enabled on this route.
     *
     * @param logMask whether to enable security mask for Logging (true or
     *            false), the value can be a property placeholder
     * @return the builder
     */
    public RouteDefinition logMask(String logMask) {
        setLogMask(logMask);
        return this;
    }

    /**
     * Disable message history for this route.
     *
     * @return the builder
     */
    public RouteDefinition noMessageHistory() {
        setMessageHistory("false");
        return this;
    }

    /**
     * Disable delayer for this route.
     *
     * @return the builder
     */
    public RouteDefinition noDelayer() {
        setDelayer("0");
        return this;
    }

    /**
     * Enable delayer for this route.
     *
     * @param delay delay in millis
     * @return the builder
     */
    public RouteDefinition delayer(long delay) {
        setDelayer("" + delay);
        return this;
    }

    /**
     * Installs the given
     * <a href="http://camel.apache.org/error-handler.html">error handler</a>
     * builder.
     *
     * @param errorHandlerBuilder the error handler to be used by default for
     *            all child routes
     * @return the current builder with the error handler configured
     */
    public RouteDefinition errorHandler(ErrorHandlerFactory errorHandlerBuilder) {
        setErrorHandlerFactory(errorHandlerBuilder);
        // we are now using a route scoped error handler
        contextScopedErrorHandler = false;
        return this;
    }

    /**
     * Disables this route from being auto started when Camel starts.
     *
     * @return the builder
     */
    public RouteDefinition noAutoStartup() {
        setAutoStartup("false");
        return this;
    }

    /**
     * Sets the auto startup property on this route.
     *
     * @param autoStartup whether to auto startup (true or false), the value can
     *            be a property placeholder
     * @return the builder
     */
    public RouteDefinition autoStartup(String autoStartup) {
        setAutoStartup(autoStartup);
        return this;
    }

    /**
     * Sets the auto startup property on this route.
     *
     * @param autoStartup - boolean indicator
     * @return the builder
     */
    public RouteDefinition autoStartup(boolean autoStartup) {
        setAutoStartup(Boolean.toString(autoStartup));
        return this;
    }

    /**
     * Configures the startup order for this route
     * <p/>
     * Camel will reorder routes and star them ordered by 0..N where 0 is the
     * lowest number and N the highest number. Camel will stop routes in reverse
     * order when its stopping.
     *
     * @param order the order represented as a number
     * @return the builder
     */
    @Override
    public RouteDefinition startupOrder(int order) {
        setStartupOrder(order);
        return this;
    }

    /**
     * Configures route policies for this route
     *
     * @param policies the route policies
     * @return the builder
     */
    public RouteDefinition routePolicy(RoutePolicy... policies) {
        if (routePolicies == null) {
            routePolicies = new ArrayList<>();
        }
        routePolicies.addAll(Arrays.asList(policies));
        return this;
    }

    /**
     * Configures route policy for this route
     *
     * @param policy route policy
     * @return the builder
     */
    public RouteDefinition routePolicy(Supplier<RoutePolicy> policy) {
        return routePolicy(policy.get());
    }

    /**
     * Configures a route policy for this route
     *
     * @param routePolicyRef reference to a {@link RoutePolicy} to lookup and
     *            use. You can specify multiple references by separating using
     *            comma.
     * @return the builder
     */
    public RouteDefinition routePolicyRef(String routePolicyRef) {
        setRoutePolicyRef(routePolicyRef);
        return this;
    }

    /**
     * Configures a shutdown route option.
     *
     * @param shutdownRoute the option to use when shutting down this route
     * @return the builder
     */
    public RouteDefinition shutdownRoute(ShutdownRoute shutdownRoute) {
        return shutdownRoute(shutdownRoute.name());
    }

    /**
     * Configures a shutdown route option.
     *
     * @param shutdownRoute the option to use when shutting down this route
     * @return the builder
     */
    public RouteDefinition shutdownRoute(String shutdownRoute) {
        setShutdownRoute(shutdownRoute);
        return this;
    }

    /**
     * Configures a shutdown running task option.
     *
     * @param shutdownRunningTask the option to use when shutting down and how
     *            to act upon running tasks.
     * @return the builder
     */
    public RouteDefinition shutdownRunningTask(ShutdownRunningTask shutdownRunningTask) {
        return shutdownRunningTask(shutdownRunningTask.name());
    }

    /**
     * Configures a shutdown running task option.
     *
     * @param shutdownRunningTask the option to use when shutting down and how
     *            to act upon running tasks.
     * @return the builder
     */
    public RouteDefinition shutdownRunningTask(String shutdownRunningTask) {
        setShutdownRunningTask(shutdownRunningTask);
        return this;
    }

    /**
     * Declare the expected data type of the input message. If the actual
     * message type is different at runtime, camel look for a required
     * {@link org.apache.camel.spi.Transformer} and apply if exists. The type
     * name consists of two parts, 'scheme' and 'name' connected with ':'. For
     * Java type 'name' is a fully qualified class name. For example
     * {@code java:java.lang.String}, {@code json:ABCOrder}.
     *
     * @see org.apache.camel.spi.Transformer
     * @param urn input type URN
     * @return the builder
     */
    public RouteDefinition inputType(String urn) {
        inputType = new InputTypeDefinition().urn(urn).validate(false);
        return this;
    }

    /**
     * Declare the expected data type of the input message with content
     * validation enabled. If the actual message type is different at runtime,
     * camel look for a required {@link org.apache.camel.spi.Transformer} and
     * apply if exists, and then applies {@link org.apache.camel.spi.Validator}
     * as well. The type name consists of two parts, 'scheme' and 'name'
     * connected with ':'. For Java type 'name' is a fully qualified class name.
     * For example {@code java:java.lang.String}, {@code json:ABCOrder}.
     *
     * @see org.apache.camel.spi.Transformer
     * @see org.apache.camel.spi.Validator
     * @param urn input type URN
     * @return the builder
     */
    public RouteDefinition inputTypeWithValidate(String urn) {
        inputType = new InputTypeDefinition().urn(urn).validate(true);
        return this;
    }

    /**
     * Declare the expected data type of the input message by Java class. If the
     * actual message type is different at runtime, camel look for a required
     * {@link org.apache.camel.spi.Transformer} and apply if exists.
     *
     * @see org.apache.camel.spi.Transformer
     * @param clazz Class object of the input type
     * @return the builder
     */
    public RouteDefinition inputType(Class clazz) {
        inputType = new InputTypeDefinition().javaClass(clazz).validate(false);
        return this;
    }

    /**
     * Declare the expected data type of the input message by Java class with
     * content validation enabled. If the actual message type is different at
     * runtime, camel look for a required
     * {@link org.apache.camel.spi.Transformer} and apply if exists, and then
     * applies {@link org.apache.camel.spi.Validator} as well.
     *
     * @see org.apache.camel.spi.Transformer
     * @see org.apache.camel.spi.Validator
     * @param clazz Class object of the input type
     * @return the builder
     */
    public RouteDefinition inputTypeWithValidate(Class clazz) {
        inputType = new InputTypeDefinition().javaClass(clazz).validate(true);
        return this;
    }

    /**
     * Declare the expected data type of the output message. If the actual
     * message type is different at runtime, camel look for a required
     * {@link org.apache.camel.spi.Transformer} and apply if exists. The type
     * name consists of two parts, 'scheme' and 'name' connected with ':'. For
     * Java type 'name' is a fully qualified class name. For example
     * {@code java:java.lang.String}, {@code json:ABCOrder}.
     *
     * @see org.apache.camel.spi.Transformer
     * @param urn output type URN
     * @return the builder
     */
    public RouteDefinition outputType(String urn) {
        outputType = new OutputTypeDefinition().urn(urn).validate(false);
        return this;
    }

    /**
     * Declare the expected data type of the output message with content
     * validation enabled. If the actual message type is different at runtime,
     * Camel look for a required {@link org.apache.camel.spi.Transformer} and
     * apply if exists, and then applies {@link org.apache.camel.spi.Validator}
     * as well. The type name consists of two parts, 'scheme' and 'name'
     * connected with ':'. For Java type 'name' is a fully qualified class name.
     * For example {@code java:java.lang.String}, {@code json:ABCOrder}.
     * 
     * @see org.apache.camel.spi.Transformer
     * @see org.apache.camel.spi.Validator
     * @param urn output type URN
     * @return the builder
     */
    public RouteDefinition outputTypeWithValidate(String urn) {
        outputType = new OutputTypeDefinition().urn(urn).validate(true);
        return this;
    }

    /**
     * Declare the expected data type of the output message by Java class. If
     * the actual message type is different at runtime, camel look for a
     * required {@link org.apache.camel.spi.Transformer} and apply if exists.
     *
     * @see org.apache.camel.spi.Transformer
     * @param clazz Class object of the output type
     * @return the builder
     */
    public RouteDefinition outputType(Class clazz) {
        outputType = new OutputTypeDefinition().javaClass(clazz).validate(false);
        return this;
    }

    /**
     * Declare the expected data type of the ouput message by Java class with
     * content validation enabled. If the actual message type is different at
     * runtime, camel look for a required
     * {@link org.apache.camel.spi.Transformer} and apply if exists, and then
     * applies {@link org.apache.camel.spi.Validator} as well.
     * 
     * @see org.apache.camel.spi.Transformer
     * @see org.apache.camel.spi.Validator
     * @param clazz Class object of the output type
     * @return the builder
     */
    public RouteDefinition outputTypeWithValidate(Class clazz) {
        outputType = new OutputTypeDefinition().javaClass(clazz).validate(true);
        return this;
    }

    /**
     * Adds a custom property on the route.
     */
    public RouteDefinition routeProperty(String key, String value) {
        if (routeProperties == null) {
            routeProperties = new ArrayList<>();
        }

        PropertyDefinition prop = new PropertyDefinition();
        prop.setKey(key);
        prop.setValue(value);

        routeProperties.add(prop);

        return this;
    }

    // Properties
    // -----------------------------------------------------------------------

    public FromDefinition getInput() {
        return input;
    }

    /**
     * Input to the route.
     */
    @XmlElementRef(required = false)
    public void setInput(FromDefinition input) {
        if (this.input != null && input != null && this.input != input) {
            throw new IllegalArgumentException("Only one input is allowed per route. Cannot accept input: " + input);
        }
        // required = false: in rest-dsl you can embed an in-lined route which
        // does not have a <from> as its implied to be the rest endpoint
        this.input = input;
    }

    @Override
    public List<ProcessorDefinition<?>> getOutputs() {
        return outputs;
    }

    /**
     * Outputs are processors that determines how messages are processed by this
     * route.
     */
    @XmlElementRef
    @Override
    public void setOutputs(List<ProcessorDefinition<?>> outputs) {
        super.setOutputs(outputs);
    }

    /**
     * The group that this route belongs to; could be the name of the
     * RouteBuilder class or be explicitly configured in the XML.
     * <p/>
     * May be null.
     */
    public String getGroup() {
        return group;
    }

    /**
     * The group that this route belongs to; could be the name of the
     * RouteBuilder class or be explicitly configured in the XML.
     * <p/>
     * May be null.
     */
    @XmlAttribute
    public void setGroup(String group) {
        this.group = group;
    }

    /**
     * Whether stream caching is enabled on this route.
     */
    public String getStreamCache() {
        return streamCache;
    }

    /**
     * Whether stream caching is enabled on this route.
     */
    @XmlAttribute
    @Metadata(javaType = "java.lang.Boolean")
    public void setStreamCache(String streamCache) {
        this.streamCache = streamCache;
    }

    /**
     * Whether tracing is enabled on this route.
     */
    public String getTrace() {
        return trace;
    }

    /**
     * Whether tracing is enabled on this route.
     */
    @XmlAttribute
    @Metadata(javaType = "java.lang.Boolean")
    public void setTrace(String trace) {
        this.trace = trace;
    }

    /**
     * Whether message history is enabled on this route.
     */
    public String getMessageHistory() {
        return messageHistory;
    }

    /**
     * Whether message history is enabled on this route.
     */
    @XmlAttribute
    @Metadata(javaType = "java.lang.Boolean", defaultValue = "true")
    public void setMessageHistory(String messageHistory) {
        this.messageHistory = messageHistory;
    }

    /**
     * Whether security mask for Logging is enabled on this route.
     */
    public String getLogMask() {
        return logMask;
    }

    /**
     * Whether security mask for Logging is enabled on this route.
     */
    @XmlAttribute
    @Metadata(javaType = "java.lang.Boolean")
    public void setLogMask(String logMask) {
        this.logMask = logMask;
    }

    /**
     * Whether to slow down processing messages by a given delay in msec.
     */
    public String getDelayer() {
        return delayer;
    }

    /**
     * Whether to slow down processing messages by a given delay in msec.
     */
    @XmlAttribute
    @Metadata(javaType = "java.lang.Long")
    public void setDelayer(String delayer) {
        this.delayer = delayer;
    }

    /**
     * Whether to auto start this route
     */
    public String getAutoStartup() {
        return autoStartup;
    }

    /**
     * Whether to auto start this route
     */
    @XmlAttribute
    @Metadata(javaType = "java.lang.Boolean", defaultValue = "true")
    public void setAutoStartup(String autoStartup) {
        this.autoStartup = autoStartup;
    }

    /**
     * To configure the ordering of the routes being started
     */
    public Integer getStartupOrder() {
        return startupOrder;
    }

    /**
     * To configure the ordering of the routes being started
     */
    @XmlAttribute
    @Metadata(javaType = "java.lang.Integer")
    public void setStartupOrder(Integer startupOrder) {
        this.startupOrder = startupOrder;
    }

    /**
     * Sets the bean ref name of the error handler builder to use on this route
     */
    @XmlAttribute
    public void setErrorHandlerRef(String errorHandlerRef) {
        this.errorHandlerRef = errorHandlerRef;
        // we use an specific error handler ref (from Spring DSL) then wrap that
        // with a error handler build ref so Camel knows its not just the
        // default one
        setErrorHandlerFactory(new ErrorHandlerBuilderRef(errorHandlerRef));
    }

    /**
     * Sets the bean ref name of the error handler builder to use on this route
     */
    public String getErrorHandlerRef() {
        return errorHandlerRef;
    }

    /**
     * Sets the error handler if one is not already set
     */
    @XmlTransient
    public void setErrorHandlerFactoryIfNull(ErrorHandlerFactory errorHandlerFactory) {
        if (this.errorHandlerFactory == null) {
            setErrorHandlerFactory(errorHandlerFactory);
        }
    }

    /**
     * Reference to custom {@link org.apache.camel.spi.RoutePolicy} to use by
     * the route. Multiple policies can be configured by separating values using
     * comma.
     */
    @XmlAttribute
    public void setRoutePolicyRef(String routePolicyRef) {
        this.routePolicyRef = routePolicyRef;
    }

    /**
     * Reference to custom {@link org.apache.camel.spi.RoutePolicy} to use by
     * the route. Multiple policies can be configured by separating values using
     * comma.
     */
    public String getRoutePolicyRef() {
        return routePolicyRef;
    }

    public List<RoutePolicy> getRoutePolicies() {
        return routePolicies;
    }

    @XmlTransient
    public void setRoutePolicies(List<RoutePolicy> routePolicies) {
        this.routePolicies = routePolicies;
    }

    public String getShutdownRoute() {
        return shutdownRoute;
    }

    /**
     * To control how to shutdown the route.
     */
    @XmlAttribute
    @Metadata(javaType = "org.apache.camel.ShutdownRoute", defaultValue = "Default", enums = "Default,Defer")
    public void setShutdownRoute(String shutdownRoute) {
        this.shutdownRoute = shutdownRoute;
    }

    /**
     * To control how to shutdown the route.
     */
    public String getShutdownRunningTask() {
        return shutdownRunningTask;
    }

    /**
     * To control how to shutdown the route.
     */
    @XmlAttribute
    @Metadata(javaType = "org.apache.camel.ShutdownRunningTask", defaultValue = "CompleteCurrentTaskOnly", enums = "CompleteCurrentTaskOnly,CompleteAllTasks")
    public void setShutdownRunningTask(String shutdownRunningTask) {
        this.shutdownRunningTask = shutdownRunningTask;
    }

    private ErrorHandlerFactory createErrorHandlerBuilder() {
        if (errorHandlerRef != null) {
            return new ErrorHandlerBuilderRef(errorHandlerRef);
        }

        // return a reference to the default error handler
        return new ErrorHandlerBuilderRef(ErrorHandlerBuilderRef.DEFAULT_ERROR_HANDLER_BUILDER);
    }

    public ErrorHandlerFactory getErrorHandlerFactory() {
        if (errorHandlerFactory == null) {
            errorHandlerFactory = createErrorHandlerBuilder();
        }
        return errorHandlerFactory;
    }

    /**
     * Sets the error handler to use with processors created by this builder
     */
    @XmlTransient
    public void setErrorHandlerFactory(ErrorHandlerFactory errorHandlerFactory) {
        this.errorHandlerFactory = errorHandlerFactory;
    }

    @XmlAttribute
    public Boolean isRest() {
        return rest;
    }

    public RestDefinition getRestDefinition() {
        return restDefinition;
    }

    @XmlTransient
    public void setRestDefinition(RestDefinition restDefinition) {
        this.restDefinition = restDefinition;
    }

    public RestBindingDefinition getRestBindingDefinition() {
        return restBindingDefinition;
    }

    @XmlTransient
    public void setRestBindingDefinition(RestBindingDefinition restBindingDefinition) {
        this.restBindingDefinition = restBindingDefinition;
    }

    public boolean isContextScopedErrorHandler() {
        return contextScopedErrorHandler;
    }

    @XmlElementRef(required = false)
    public void setInputType(InputTypeDefinition inputType) {
        this.inputType = inputType;
    }

    public InputTypeDefinition getInputType() {
        return this.inputType;
    }

    @XmlElementRef(required = false)
    public void setOutputType(OutputTypeDefinition outputType) {
        this.outputType = outputType;
    }

    public OutputTypeDefinition getOutputType() {
        return this.outputType;
    }

    public List<PropertyDefinition> getRouteProperties() {
        return routeProperties;
    }

    /**
     * To set metadata as properties on the route.
     */
    @XmlElement(name = "routeProperty")
    @Metadata(label = "advanced")
    public void setRouteProperties(List<PropertyDefinition> routeProperties) {
        this.routeProperties = routeProperties;
    }

    // ****************************
    // Static helpers
    // ****************************

    public static RouteDefinition fromUri(String uri) {
        return new RouteDefinition().from(uri);
    }

    public static RouteDefinition fromEndpoint(Endpoint endpoint) {
        return new RouteDefinition().from(endpoint);
    }

}