Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.apache.camel.cdi.CdiCamelFactory Maven / Gradle / Ivy
/**
* 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.cdi;
import java.lang.annotation.Annotation;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.Collection;
import java.util.HashSet;
import java.util.Optional;
import javax.enterprise.event.Event;
import javax.enterprise.inject.Any;
import javax.enterprise.inject.Default;
import javax.enterprise.inject.InjectionException;
import javax.enterprise.inject.Instance;
import javax.enterprise.inject.Produces;
import javax.enterprise.inject.Typed;
import javax.enterprise.inject.UnsatisfiedResolutionException;
import javax.enterprise.inject.spi.InjectionPoint;
import org.apache.camel.CamelContext;
import org.apache.camel.ConsumerTemplate;
import org.apache.camel.Endpoint;
import org.apache.camel.FluentProducerTemplate;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.TypeConverter;
import org.apache.camel.component.mock.MockEndpoint;
import static org.apache.camel.cdi.CdiEventEndpoint.eventEndpointUri;
import static org.apache.camel.cdi.CdiSpiHelper.isAnnotationType;
import static org.apache.camel.cdi.DefaultLiteral.DEFAULT;
final class CdiCamelFactory {
@Produces
private static TypeConverter typeConverter(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension) {
return selectContext(ip, instance, extension).getTypeConverter();
}
@Produces
// Qualifiers are dynamically added in CdiCamelExtension
private static ConsumerTemplate consumerTemplate(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension) {
return selectContext(ip, instance, extension).createConsumerTemplate();
}
@Produces
@Default @Uri("")
// Qualifiers are dynamically added in CdiCamelExtension
private static ProducerTemplate producerTemplate(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension) {
return getQualifierByType(ip, Uri.class)
.map(uri -> producerTemplateFromUri(ip, instance, extension, uri))
.orElseGet(() -> defaultProducerTemplate(ip, instance, extension));
}
private static ProducerTemplate producerTemplateFromUri(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension, Uri uri) {
try {
CamelContext context = uri.context().isEmpty()
? selectContext(ip, instance, extension)
: selectContext(uri.context(), instance);
ProducerTemplate producerTemplate = context.createProducerTemplate();
Endpoint endpoint = context.getEndpoint(uri.value(), Endpoint.class);
producerTemplate.setDefaultEndpoint(endpoint);
return producerTemplate;
} catch (Exception cause) {
throw new InjectionException("Error injecting producer template annotated with " + uri + " into " + ip, cause);
}
}
private static ProducerTemplate defaultProducerTemplate(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension) {
try {
CamelContext context = selectContext(ip, instance, extension);
return context.createProducerTemplate();
} catch (Exception cause) {
throw new InjectionException("Error injecting producer template into " + ip, cause);
}
}
@Produces
@Default @Uri("")
// Qualifiers are dynamically added in CdiCamelExtension
private static FluentProducerTemplate fluentProducerTemplate(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension) {
return getQualifierByType(ip, Uri.class)
.map(uri -> fluentProducerTemplateFromUri(ip, instance, extension, uri))
.orElseGet(() -> defaultFluentProducerTemplate(ip, instance, extension));
}
private static FluentProducerTemplate fluentProducerTemplateFromUri(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension, Uri uri) {
try {
CamelContext context = uri.context().isEmpty()
? selectContext(ip, instance, extension)
: selectContext(uri.context(), instance);
FluentProducerTemplate producerTemplate = context.createFluentProducerTemplate();
Endpoint endpoint = context.getEndpoint(uri.value(), Endpoint.class);
producerTemplate.setDefaultEndpoint(endpoint);
return producerTemplate;
} catch (Exception cause) {
throw new InjectionException("Error injecting fluent producer template annotated with " + uri + " into " + ip, cause);
}
}
private static FluentProducerTemplate defaultFluentProducerTemplate(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension) {
try {
CamelContext context = selectContext(ip, instance, extension);
return context.createFluentProducerTemplate();
} catch (Exception cause) {
throw new InjectionException("Error injecting fluent producer template into " + ip, cause);
}
}
@Produces
@Typed(MockEndpoint.class)
// Qualifiers are dynamically added in CdiCamelExtension
private static MockEndpoint mockEndpointFromMember(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension) {
String uri = "mock:" + ip.getMember().getName();
try {
return selectContext(ip, instance, extension).getEndpoint(uri, MockEndpoint.class);
} catch (Exception cause) {
throw new InjectionException("Error injecting mock endpoint into " + ip, cause);
}
}
@Uri("")
@Produces
@Typed(MockEndpoint.class)
// Qualifiers are dynamically added in CdiCamelExtension
private static MockEndpoint mockEndpointFromUri(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension) {
Uri uri = getQualifierByType(ip, Uri.class).get();
try {
CamelContext context = uri.context().isEmpty()
? selectContext(ip, instance, extension)
: selectContext(uri.context(), instance);
return context.getEndpoint(uri.value(), MockEndpoint.class);
} catch (Exception cause) {
throw new InjectionException("Error injecting mock endpoint annotated with " + uri
+ " into " + ip, cause);
}
}
// Maintained for backward compatibility reason though this is redundant with @Uri
// see https://issues.apache.org/jira/browse/CAMEL-5553?focusedCommentId=13445936&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13445936
@Mock
@Produces
@Typed(MockEndpoint.class)
// Qualifiers are dynamically added in CdiCamelExtension
private static MockEndpoint createMockEndpoint(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension) {
Mock mock = getQualifierByType(ip, Mock.class).get();
try {
CamelContext context = mock.context().isEmpty()
? selectContext(ip, instance, extension)
: selectContext(mock.context(), instance);
return context.getEndpoint(mock.value(), MockEndpoint.class);
} catch (Exception cause) {
throw new InjectionException("Error injecting mock endpoint annotated with " + mock + " into " + ip, cause);
}
}
@Uri("")
@Produces
// Qualifiers are dynamically added in CdiCamelExtension
private static Endpoint endpoint(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension) {
Uri uri = getQualifierByType(ip, Uri.class).get();
try {
CamelContext context = uri.context().isEmpty()
? selectContext(ip, instance, extension)
: selectContext(uri.context(), instance);
return context.getEndpoint(uri.value(), Endpoint.class);
} catch (Exception cause) {
throw new InjectionException("Error injecting endpoint annotated with " + uri + " into " + ip, cause);
}
}
@Produces
@SuppressWarnings("unchecked")
// Qualifiers are dynamically added in CdiCamelExtension
private static CdiEventEndpoint cdiEventEndpoint(InjectionPoint ip, @Any Instance instance, CdiCamelExtension extension, @Any Event event) throws Exception {
CamelContext context = selectContext(ip, instance, extension);
Type type = Object.class;
if (ip.getType() instanceof ParameterizedType) {
type = ((ParameterizedType) ip.getType()).getActualTypeArguments()[0];
}
String uri = eventEndpointUri(type, ip.getQualifiers());
if (context.hasEndpoint(uri) == null) {
context.addEndpoint(uri, extension.getEventEndpoint(uri));
}
return context.getEndpoint(uri, CdiEventEndpoint.class);
}
private static T selectContext(String name, Instance instance) {
for (T context : instance) {
if (name.equals(context.getName())) {
return context;
}
}
throw new UnsatisfiedResolutionException("No Camel context with name [" + name + "] is deployed!");
}
private static T selectContext(InjectionPoint ip, Instance instance, CdiCamelExtension extension) {
Collection qualifiers = new HashSet<>(ip.getQualifiers());
qualifiers.retainAll(extension.getContextQualifiers());
if (qualifiers.isEmpty() && !instance.select(DEFAULT).isUnsatisfied()) {
return instance.select(DEFAULT).get();
}
return instance.select(qualifiers.toArray(new Annotation[0])).get();
}
private static Optional getQualifierByType(InjectionPoint ip, Class type) {
return ip.getQualifiers().stream()
.filter(isAnnotationType(type))
.findAny()
.map(type::cast);
}
}
