org.springframework.boot.autoconfigure.integration.IntegrationPropertiesEnvironmentPostProcessor Maven / Gradle / Ivy
/*
* Copyright 2012-2023 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.boot.autoconfigure.integration;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.env.EnvironmentPostProcessor;
import org.springframework.boot.env.OriginTrackedMapPropertySource;
import org.springframework.boot.env.PropertiesPropertySourceLoader;
import org.springframework.boot.origin.Origin;
import org.springframework.boot.origin.OriginLookup;
import org.springframework.core.Ordered;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.PropertySource;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.integration.context.IntegrationProperties;
/**
* An {@link EnvironmentPostProcessor} that maps the configuration of
* {@code META-INF/spring.integration.properties} in the environment.
*
* @author Artem Bilan
* @author Stephane Nicoll
*/
class IntegrationPropertiesEnvironmentPostProcessor implements EnvironmentPostProcessor, Ordered {
@Override
public int getOrder() {
return Ordered.LOWEST_PRECEDENCE;
}
@Override
public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
Resource resource = new ClassPathResource("META-INF/spring.integration.properties");
if (resource.exists()) {
registerIntegrationPropertiesPropertySource(environment, resource);
}
}
protected void registerIntegrationPropertiesPropertySource(ConfigurableEnvironment environment, Resource resource) {
PropertiesPropertySourceLoader loader = new PropertiesPropertySourceLoader();
try {
OriginTrackedMapPropertySource propertyFileSource = (OriginTrackedMapPropertySource) loader
.load("META-INF/spring.integration.properties", resource)
.get(0);
environment.getPropertySources().addLast(new IntegrationPropertiesPropertySource(propertyFileSource));
}
catch (IOException ex) {
throw new IllegalStateException("Failed to load integration properties from " + resource, ex);
}
}
private static final class IntegrationPropertiesPropertySource extends PropertySource>
implements OriginLookup {
private static final String PREFIX = "spring.integration.";
private static final Map KEYS_MAPPING;
static {
Map mappings = new HashMap<>();
mappings.put(PREFIX + "channel.auto-create", IntegrationProperties.CHANNELS_AUTOCREATE);
mappings.put(PREFIX + "channel.max-unicast-subscribers",
IntegrationProperties.CHANNELS_MAX_UNICAST_SUBSCRIBERS);
mappings.put(PREFIX + "channel.max-broadcast-subscribers",
IntegrationProperties.CHANNELS_MAX_BROADCAST_SUBSCRIBERS);
mappings.put(PREFIX + "error.require-subscribers", IntegrationProperties.ERROR_CHANNEL_REQUIRE_SUBSCRIBERS);
mappings.put(PREFIX + "error.ignore-failures", IntegrationProperties.ERROR_CHANNEL_IGNORE_FAILURES);
mappings.put(PREFIX + "endpoint.throw-exception-on-late-reply",
IntegrationProperties.THROW_EXCEPTION_ON_LATE_REPLY);
mappings.put(PREFIX + "endpoint.read-only-headers", IntegrationProperties.READ_ONLY_HEADERS);
mappings.put(PREFIX + "endpoint.no-auto-startup", IntegrationProperties.ENDPOINTS_NO_AUTO_STARTUP);
KEYS_MAPPING = Collections.unmodifiableMap(mappings);
}
private final OriginTrackedMapPropertySource delegate;
IntegrationPropertiesPropertySource(OriginTrackedMapPropertySource delegate) {
super("META-INF/spring.integration.properties", delegate.getSource());
this.delegate = delegate;
}
@Override
public Object getProperty(String name) {
return this.delegate.getProperty(KEYS_MAPPING.get(name));
}
@Override
public Origin getOrigin(String key) {
return this.delegate.getOrigin(KEYS_MAPPING.get(key));
}
}
}