@Override
protected void configurePollingConsumer(PollingConsumer consumer) throws Exception {
Map<String, Object> copy = new HashMap<String, Object>(getConsumerProperties());
Map<String, Object> throwaway = new HashMap<String, Object>();
// filter out unwanted options which is intended for the scheduled poll consumer
// as these options are not supported on the polling consumer
configureScheduledPollConsumerProperties(copy, throwaway);
// set reference properties first as they use # syntax that fools the regular properties setter
EndpointHelper.setReferenceProperties(getCamelContext(), consumer, copy);
EndpointHelper.setProperties(getCamelContext(), consumer, copy);
if (!isLenientProperties() && copy.size() > 0) {
throw new ResolveEndpointFailedException(
this.getEndpointUri(),
"There are "
+ copy.size()
+ " parameters that couldn't be set on the endpoint polling consumer."
+ " Check the uri if the parameters are spelt correctly and that they are properties of the endpoint."
+ " Unknown consumer parameters=["
+ copy
+ "]");
}
}
private static boolean isExcludePatternMatch(String key, String... excludePatterns) {
for (String pattern : excludePatterns) {
if (EndpointHelper.matchPattern(key, pattern)) {
return true;
}
}
return false;
}
protected void configureConsumer(Consumer consumer) throws Exception {
if (consumerProperties != null) {
// use a defensive copy of the consumer properties as the methods below will remove the used
// properties
// and in case we restart routes, we need access to the original consumer properties again
Map<String, Object> copy = new HashMap<String, Object>(consumerProperties);
// set reference properties first as they use # syntax that fools the regular properties
// setter
EndpointHelper.setReferenceProperties(getCamelContext(), consumer, copy);
EndpointHelper.setProperties(getCamelContext(), consumer, copy);
// special consumer.bridgeErrorHandler option
Object bridge = copy.remove("bridgeErrorHandler");
if (bridge != null && "true".equals(bridge)) {
if (consumer instanceof DefaultConsumer) {
DefaultConsumer defaultConsumer = (DefaultConsumer) consumer;
defaultConsumer.setExceptionHandler(
new BridgeExceptionHandlerToErrorHandler(defaultConsumer));
} else {
throw new IllegalArgumentException(
"Option consumer.bridgeErrorHandler is only supported by endpoints,"
+ " having their consumer extend DefaultConsumer. The consumer is a "
+ consumer.getClass().getName()
+ " class.");
}
}
if (!this.isLenientProperties() && copy.size() > 0) {
throw new ResolveEndpointFailedException(
this.getEndpointUri(),
"There are "
+ copy.size()
+ " parameters that couldn't be set on the endpoint consumer."
+ " Check the uri if the parameters are spelt correctly and that they are properties of the endpoint."
+ " Unknown consumer parameters=["
+ copy
+ "]");
}
}
}
public boolean removeProperties(String pattern, String... excludePatterns) {
if (!hasProperties()) {
return false;
}
boolean matches = false;
for (Map.Entry<String, Object> entry : properties.entrySet()) {
String key = entry.getKey();
if (EndpointHelper.matchPattern(key, pattern)) {
if (excludePatterns != null && isExcludePatternMatch(key, excludePatterns)) {
continue;
}
matches = true;
properties.remove(entry.getKey());
}
}
return matches;
}
@SuppressWarnings("unchecked")
private void doFilter(String pattern, Navigate<Processor> nav, List<Processor> match) {
List<Processor> list = nav.next();
if (list != null) {
for (Processor proc : list) {
String id = null;
if (proc instanceof IdAware) {
id = ((IdAware) proc).getId();
}
if (EndpointHelper.matchPattern(id, pattern)) {
match.add(proc);
}
if (proc instanceof Navigate) {
Navigate<Processor> child = (Navigate<Processor>) proc;
doFilter(pattern, child, match);
}
}
}
}
/**
* A default endpoint useful for implementation inheritance.
*
* <p>Components which leverages <a
* href="http://camel.apache.org/asynchronous-routing-engine.html">asynchronous processing model</a>
* should check the {@link #isSynchronous()} to determine if asynchronous processing is allowed. The
* <tt>synchronous</tt> option on the endpoint allows Camel end users to dictate whether they want
* the asynchronous model or not. The option is default <tt>false</tt> which means asynchronous
* processing is allowed.
*
* @version
*/
public abstract class DefaultEndpoint extends ServiceSupport
implements Endpoint, HasId, CamelContextAware {
private static final Logger LOG = LoggerFactory.getLogger(DefaultEndpoint.class);
private String endpointUri;
private EndpointConfiguration endpointConfiguration;
private CamelContext camelContext;
private Component component;
@UriParam(
defaultValue = "InOnly",
description = "Sets the default exchange pattern when creating an exchange")
private ExchangePattern exchangePattern = ExchangePattern.InOnly;
// option to allow end user to dictate whether async processing should be
// used or not (if possible)
@UriParam(
defaultValue = "false",
description =
"Sets whether synchronous processing should be strictly used, or Camel is allowed to use asynchronous processing (if supported).")
private boolean synchronous;
private final String id = EndpointHelper.createEndpointId();
private Map<String, Object> consumerProperties;
private int pollingConsumerQueueSize = 1000;
private boolean pollingConsumerBlockWhenFull = true;
/**
* Constructs a fully-initialized DefaultEndpoint instance. This is the preferred method of
* constructing an object from Java code (as opposed to Spring beans, etc.).
*
* @param endpointUri the full URI used to create this endpoint
* @param component the component that created this endpoint
*/
protected DefaultEndpoint(String endpointUri, Component component) {
this.camelContext = component == null ? null : component.getCamelContext();
this.component = component;
this.setEndpointUri(endpointUri);
}
/**
* Constructs a DefaultEndpoint instance which has <b>not</b> been created using a {@link
* Component}.
*
* <p><b>Note:</b> It is preferred to create endpoints using the associated component.
*
* @param endpointUri the full URI used to create this endpoint
* @param camelContext the Camel Context in which this endpoint is operating
*/
@Deprecated
protected DefaultEndpoint(String endpointUri, CamelContext camelContext) {
this(endpointUri);
this.camelContext = camelContext;
}
/**
* Constructs a partially-initialized DefaultEndpoint instance.
*
* <p><b>Note:</b> It is preferred to create endpoints using the associated component.
*
* @param endpointUri the full URI used to create this endpoint
*/
@Deprecated
protected DefaultEndpoint(String endpointUri) {
this.setEndpointUri(endpointUri);
}
/**
* Constructs a partially-initialized DefaultEndpoint instance. Useful when creating endpoints
* manually (e.g., as beans in Spring).
*
* <p>Please note that the endpoint URI must be set through properties (or overriding {@link
* #createEndpointUri()} if one uses this constructor.
*
* <p><b>Note:</b> It is preferred to create endpoints using the associated component.
*/
protected DefaultEndpoint() {}
public int hashCode() {
return getEndpointUri().hashCode() * 37 + 1;
}
@Override
public boolean equals(Object object) {
if (object instanceof DefaultEndpoint) {
DefaultEndpoint that = (DefaultEndpoint) object;
return ObjectHelper.equal(this.getEndpointUri(), that.getEndpointUri());
}
return false;
}
@Override
public String toString() {
String value = null;
try {
value = getEndpointUri();
} catch (RuntimeException e) {
// ignore any exception and use null for building the string value
}
return String.format("Endpoint[%s]", URISupport.sanitizeUri(value));
}
/**
* Returns a unique String ID which can be used for aliasing without having to use the whole URI
* which is not unique
*/
public String getId() {
return id;
}
public String getEndpointUri() {
if (endpointUri == null) {
endpointUri = createEndpointUri();
if (endpointUri == null) {
throw new IllegalArgumentException(
"endpointUri is not specified and "
+ getClass().getName()
+ " does not implement createEndpointUri() to create a default value");
}
}
return endpointUri;
}
public EndpointConfiguration getEndpointConfiguration() {
if (endpointConfiguration == null) {
endpointConfiguration = createEndpointConfiguration(getEndpointUri());
}
return endpointConfiguration;
}
/**
* Sets a custom {@link EndpointConfiguration}
*
* @param endpointConfiguration a custom endpoint configuration to be used.
*/
public void setEndpointConfiguration(EndpointConfiguration endpointConfiguration) {
this.endpointConfiguration = endpointConfiguration;
}
public String getEndpointKey() {
if (isLenientProperties()) {
// only use the endpoint uri without parameters as the properties is
// lenient
String uri = getEndpointUri();
if (uri.indexOf('?') != -1) {
return ObjectHelper.before(uri, "?");
} else {
return uri;
}
} else {
// use the full endpoint uri
return getEndpointUri();
}
}
public CamelContext getCamelContext() {
return camelContext;
}
/**
* Returns the component that created this endpoint.
*
* @return the component that created this endpoint, or <tt>null</tt> if none set
*/
public Component getComponent() {
return component;
}
public void setCamelContext(CamelContext camelContext) {
this.camelContext = camelContext;
}
public PollingConsumer createPollingConsumer() throws Exception {
// should not call configurePollingConsumer when its EventDrivenPollingConsumer
LOG.debug(
"Creating EventDrivenPollingConsumer with queueSize: {} and blockWhenFull: {}",
getPollingConsumerQueueSize(),
isPollingConsumerBlockWhenFull());
EventDrivenPollingConsumer consumer =
new EventDrivenPollingConsumer(this, getPollingConsumerQueueSize());
consumer.setBlockWhenFull(isPollingConsumerBlockWhenFull());
return consumer;
}
public Exchange createExchange(Exchange exchange) {
return exchange.copy();
}
public Exchange createExchange() {
return createExchange(getExchangePattern());
}
public Exchange createExchange(ExchangePattern pattern) {
return new DefaultExchange(this, pattern);
}
/** Returns the default exchange pattern to use when creating an exchange. */
public ExchangePattern getExchangePattern() {
return exchangePattern;
}
/** Sets the default exchange pattern when creating an exchange. */
public void setExchangePattern(ExchangePattern exchangePattern) {
this.exchangePattern = exchangePattern;
}
/** Returns whether synchronous processing should be strictly used. */
public boolean isSynchronous() {
return synchronous;
}
/**
* Sets whether synchronous processing should be strictly used, or Camel is allowed to use
* asynchronous processing (if supported).
*
* @param synchronous <tt>true</tt> to enforce synchronous processing
*/
public void setSynchronous(boolean synchronous) {
this.synchronous = synchronous;
}
/**
* Gets the {@link org.apache.camel.PollingConsumer} queue size, when {@link
* org.apache.camel.impl.EventDrivenPollingConsumer} is being used. Notice some Camel components
* may have their own implementation of {@link org.apache.camel.PollingConsumer} and therefore not
* using the default {@link org.apache.camel.impl.EventDrivenPollingConsumer} implementation.
*
* <p>The default value is <tt>1000</tt>
*/
public int getPollingConsumerQueueSize() {
return pollingConsumerQueueSize;
}
/**
* Sets the {@link org.apache.camel.PollingConsumer} queue size, when {@link
* org.apache.camel.impl.EventDrivenPollingConsumer} is being used. Notice some Camel components
* may have their own implementation of {@link org.apache.camel.PollingConsumer} and therefore not
* using the default {@link org.apache.camel.impl.EventDrivenPollingConsumer} implementation.
*
* <p>The default value is <tt>1000</tt>
*/
public void setPollingConsumerQueueSize(int pollingConsumerQueueSize) {
this.pollingConsumerQueueSize = pollingConsumerQueueSize;
}
/**
* Whether to block when adding to the internal queue off when {@link
* org.apache.camel.impl.EventDrivenPollingConsumer} is being used. Notice some Camel components
* may have their own implementation of {@link org.apache.camel.PollingConsumer} and therefore not
* using the default {@link org.apache.camel.impl.EventDrivenPollingConsumer} implementation.
*
* <p>Setting this option to <tt>false</tt>, will result in an {@link
* java.lang.IllegalStateException} being thrown when trying to add to the queue, and its full.
*
* <p>The default value is <tt>true</tt> which will block the producer queue until the queue has
* space.
*/
public boolean isPollingConsumerBlockWhenFull() {
return pollingConsumerBlockWhenFull;
}
/**
* Set whether to block when adding to the internal queue off when {@link
* org.apache.camel.impl.EventDrivenPollingConsumer} is being used. Notice some Camel components
* may have their own implementation of {@link org.apache.camel.PollingConsumer} and therefore not
* using the default {@link org.apache.camel.impl.EventDrivenPollingConsumer} implementation.
*
* <p>Setting this option to <tt>false</tt>, will result in an {@link
* java.lang.IllegalStateException} being thrown when trying to add to the queue, and its full.
*
* <p>The default value is <tt>true</tt> which will block the producer queue until the queue has
* space.
*/
public void setPollingConsumerBlockWhenFull(boolean pollingConsumerBlockWhenFull) {
this.pollingConsumerBlockWhenFull = pollingConsumerBlockWhenFull;
}
public void configureProperties(Map<String, Object> options) {
Map<String, Object> consumerProperties =
IntrospectionSupport.extractProperties(options, "consumer.");
if (consumerProperties != null && !consumerProperties.isEmpty()) {
setConsumerProperties(consumerProperties);
}
}
/**
* Sets the bean properties on the given bean.
*
* <p>This is the same logical implementation as {@link DefaultComponent#setProperties(Object,
* java.util.Map)}
*
* @param bean the bean
* @param parameters properties to set
*/
protected void setProperties(Object bean, Map<String, Object> parameters) throws Exception {
// set reference properties first as they use # syntax that fools the regular properties setter
EndpointHelper.setReferenceProperties(getCamelContext(), bean, parameters);
EndpointHelper.setProperties(getCamelContext(), bean, parameters);
}
/** A factory method to lazily create the endpointUri if none is specified */
protected String createEndpointUri() {
return null;
}
/** A factory method to lazily create the endpoint configuration if none is specified */
protected EndpointConfiguration createEndpointConfiguration(String uri) {
// using this factory method to be backwards compatible with the old code
if (getComponent() != null) {
// prefer to use component endpoint configuration
try {
return getComponent().createConfiguration(uri);
} catch (Exception e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
}
} else if (getCamelContext() != null) {
// fallback and use a mapped endpoint configuration
return new MappedEndpointConfiguration(getCamelContext(), uri);
}
// not configuration possible
return null;
}
/**
* Sets the endpointUri if it has not been specified yet via some kind of dependency injection
* mechanism. This allows dependency injection frameworks such as Spring or Guice to set the
* default endpoint URI in cases where it has not been explicitly configured using the
* name/context in which an Endpoint is created.
*/
public void setEndpointUriIfNotSpecified(String value) {
if (endpointUri == null) {
setEndpointUri(value);
}
}
/** Sets the URI that created this endpoint. */
protected void setEndpointUri(String endpointUri) {
this.endpointUri = endpointUri;
}
public boolean isLenientProperties() {
// default should be false for most components
return false;
}
public Map<String, Object> getConsumerProperties() {
if (consumerProperties == null) {
// must create empty if none exists
consumerProperties = new HashMap<String, Object>();
}
return consumerProperties;
}
public void setConsumerProperties(Map<String, Object> consumerProperties) {
// append consumer properties
if (consumerProperties != null && !consumerProperties.isEmpty()) {
if (this.consumerProperties == null) {
this.consumerProperties = new HashMap<String, Object>(consumerProperties);
} else {
this.consumerProperties.putAll(consumerProperties);
}
}
}
protected void configureConsumer(Consumer consumer) throws Exception {
if (consumerProperties != null) {
// use a defensive copy of the consumer properties as the methods below will remove the used
// properties
// and in case we restart routes, we need access to the original consumer properties again
Map<String, Object> copy = new HashMap<String, Object>(consumerProperties);
// set reference properties first as they use # syntax that fools the regular properties
// setter
EndpointHelper.setReferenceProperties(getCamelContext(), consumer, copy);
EndpointHelper.setProperties(getCamelContext(), consumer, copy);
// special consumer.bridgeErrorHandler option
Object bridge = copy.remove("bridgeErrorHandler");
if (bridge != null && "true".equals(bridge)) {
if (consumer instanceof DefaultConsumer) {
DefaultConsumer defaultConsumer = (DefaultConsumer) consumer;
defaultConsumer.setExceptionHandler(
new BridgeExceptionHandlerToErrorHandler(defaultConsumer));
} else {
throw new IllegalArgumentException(
"Option consumer.bridgeErrorHandler is only supported by endpoints,"
+ " having their consumer extend DefaultConsumer. The consumer is a "
+ consumer.getClass().getName()
+ " class.");
}
}
if (!this.isLenientProperties() && copy.size() > 0) {
throw new ResolveEndpointFailedException(
this.getEndpointUri(),
"There are "
+ copy.size()
+ " parameters that couldn't be set on the endpoint consumer."
+ " Check the uri if the parameters are spelt correctly and that they are properties of the endpoint."
+ " Unknown consumer parameters=["
+ copy
+ "]");
}
}
}
protected void configurePollingConsumer(PollingConsumer consumer) throws Exception {
configureConsumer(consumer);
}
@Override
protected void doStart() throws Exception {
// noop
}
@Override
protected void doStop() throws Exception {
// noop
}
}
/**
* Sets the bean properties on the given bean.
*
* <p>This is the same logical implementation as {@link DefaultComponent#setProperties(Object,
* java.util.Map)}
*
* @param bean the bean
* @param parameters properties to set
*/
protected void setProperties(Object bean, Map<String, Object> parameters) throws Exception {
// set reference properties first as they use # syntax that fools the regular properties setter
EndpointHelper.setReferenceProperties(getCamelContext(), bean, parameters);
EndpointHelper.setProperties(getCamelContext(), bean, parameters);
}
