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Migrate VCAP initializer to a listener

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This commit is contained in:
Dave Syer
2014-01-07 16:10:13 +00:00
parent 441572c61c
commit 4d28e1b601
4 changed files with 34 additions and 33 deletions
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16
spring-boot/src/main/java/org/springframework/boot/context/initializer/VcapApplicationContextInitializer.java → spring-boot/src/main/java/org/springframework/boot/context/listener/VcapApplicationListener.java
View File

@@ -14,7 +14,7 @@
* limitations under the License.
*/
package org.springframework.boot.context.initializer;
package org.springframework.boot.context.listener;
import java.util.Collection;
import java.util.Collections;
@@ -26,10 +26,11 @@ import java.util.Properties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.boot.SpringApplicationEnvironmentAvailableEvent;
import org.springframework.boot.config.JsonParser;
import org.springframework.boot.config.JsonParserFactory;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.ApplicationListener;
import org.springframework.core.Ordered;
import org.springframework.core.env.CommandLinePropertySource;
import org.springframework.core.env.ConfigurableEnvironment;
@@ -87,11 +88,10 @@ import org.springframework.util.StringUtils;
*
* @author Dave Syer
*/
public class VcapApplicationContextInitializer implements
ApplicationContextInitializer<ConfigurableApplicationContext>, Ordered {
public class VcapApplicationListener implements
ApplicationListener<SpringApplicationEnvironmentAvailableEvent>, Ordered {
private static final Log logger = LogFactory
.getLog(VcapApplicationContextInitializer.class);
private static final Log logger = LogFactory.getLog(VcapApplicationListener.class);
private static final String VCAP_APPLICATION = "VCAP_APPLICATION";
@@ -113,9 +113,9 @@ public class VcapApplicationContextInitializer implements
}
@Override
public void initialize(ConfigurableApplicationContext applicationContext) {
public void onApplicationEvent(SpringApplicationEnvironmentAvailableEvent event) {
ConfigurableEnvironment environment = applicationContext.getEnvironment();
ConfigurableEnvironment environment = event.getEnvironment();
if (!environment.containsProperty(VCAP_APPLICATION)
&& !environment.containsProperty(VCAP_SERVICES)) {
return;

4
spring-boot/src/main/resources/META-INF/spring.factories
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@@ -2,11 +2,11 @@
org.springframework.context.ApplicationContextInitializer=\
org.springframework.boot.context.initializer.FileEncodingApplicationContextInitializer,\
org.springframework.boot.context.initializer.ContextIdApplicationContextInitializer,\
org.springframework.boot.context.initializer.EnvironmentDelegateApplicationContextInitializer,\
org.springframework.boot.context.initializer.VcapApplicationContextInitializer
org.springframework.boot.context.initializer.EnvironmentDelegateApplicationContextInitializer
# Application Listeners
org.springframework.context.ApplicationListener=\
org.springframework.boot.context.listener.VcapApplicationListener,\
org.springframework.boot.context.listener.ConfigFileApplicationListener,\
org.springframework.boot.context.listener.LoggingApplicationListener,\
org.springframework.boot.liquibase.LiquibaseServiceLocatorInitializer

6
spring-boot/src/test/java/org/springframework/boot/builder/SpringApplicationBuilderTests.java
View File

@@ -176,7 +176,7 @@ public class SpringApplicationBuilderTests {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class).web(false);
this.context = application.run();
assertEquals(4, application.application().getInitializers().size());
assertEquals(3, application.application().getInitializers().size());
}
@Test
@@ -184,7 +184,7 @@ public class SpringApplicationBuilderTests {
SpringApplicationBuilder application = new SpringApplicationBuilder(
ExampleConfig.class).child(ChildConfig.class).web(false);
this.context = application.run();
assertEquals(5, application.application().getInitializers().size());
assertEquals(4, application.application().getInitializers().size());
}
@Test
@@ -198,7 +198,7 @@ public class SpringApplicationBuilderTests {
}
});
this.context = application.run();
assertEquals(5, application.application().getInitializers().size());
assertEquals(4, application.application().getInitializers().size());
}
@Configuration

41
spring-boot/src/test/java/org/springframework/boot/context/initializer/VcapApplicationContextInitializerTests.java → spring-boot/src/test/java/org/springframework/boot/context/listener/VcapApplicationListenerTests.java
View File

@@ -14,9 +14,11 @@
* limitations under the License.
*/
package org.springframework.boot.context.initializer;
package org.springframework.boot.context.listener;
import org.junit.Test;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.SpringApplicationEnvironmentAvailableEvent;
import org.springframework.boot.TestUtils;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
@@ -24,54 +26,53 @@ import org.springframework.context.annotation.AnnotationConfigApplicationContext
import static org.junit.Assert.assertEquals;
/**
* Tests for {@link VcapApplicationContextInitializer}.
* Tests for {@link VcapApplicationListener}.
*
* @author Dave Syer
*/
public class VcapApplicationContextInitializerTests {
public class VcapApplicationListenerTests {
private VcapApplicationContextInitializer initializer = new VcapApplicationContextInitializer();
private VcapApplicationListener initializer = new VcapApplicationListener();
private ConfigurableApplicationContext context = new AnnotationConfigApplicationContext();
private SpringApplicationEnvironmentAvailableEvent event = new SpringApplicationEnvironmentAvailableEvent(
new SpringApplication(), this.context.getEnvironment(), new String[0]);
@Test
public void testApplicationProperties() {
ConfigurableApplicationContext context = new AnnotationConfigApplicationContext();
TestUtils
.addEnviroment(
context,
this.context,
"VCAP_APPLICATION:{\"application_users\":[],\"instance_id\":\"bb7935245adf3e650dfb7c58a06e9ece\",\"instance_index\":0,\"version\":\"3464e092-1c13-462e-a47c-807c30318a50\",\"name\":\"foo\",\"uris\":[\"foo.cfapps.io\"],\"started_at\":\"2013-05-29 02:37:59 +0000\",\"started_at_timestamp\":1369795079,\"host\":\"0.0.0.0\",\"port\":61034,\"limits\":{\"mem\":128,\"disk\":1024,\"fds\":16384},\"version\":\"3464e092-1c13-462e-a47c-807c30318a50\",\"name\":\"dsyerenv\",\"uris\":[\"dsyerenv.cfapps.io\"],\"users\":[],\"start\":\"2013-05-29 02:37:59 +0000\",\"state_timestamp\":1369795079}");
this.initializer.initialize(context);
assertEquals("bb7935245adf3e650dfb7c58a06e9ece", context.getEnvironment()
this.initializer.onApplicationEvent(this.event);
assertEquals("bb7935245adf3e650dfb7c58a06e9ece", this.context.getEnvironment()
.getProperty("vcap.application.instance_id"));
}
@Test
public void testUnparseableApplicationProperties() {
ConfigurableApplicationContext context = new AnnotationConfigApplicationContext();
TestUtils.addEnviroment(context, "VCAP_APPLICATION:");
this.initializer.initialize(context);
assertEquals(null, context.getEnvironment().getProperty("vcap"));
TestUtils.addEnviroment(this.context, "VCAP_APPLICATION:");
this.initializer.onApplicationEvent(this.event);
assertEquals(null, this.context.getEnvironment().getProperty("vcap"));
}
@Test
public void testNullApplicationProperties() {
ConfigurableApplicationContext context = new AnnotationConfigApplicationContext();
TestUtils
.addEnviroment(
context,
this.context,
"VCAP_APPLICATION:{\"application_users\":null,\"instance_id\":\"bb7935245adf3e650dfb7c58a06e9ece\",\"instance_index\":0,\"version\":\"3464e092-1c13-462e-a47c-807c30318a50\",\"name\":\"foo\",\"uris\":[\"foo.cfapps.io\"],\"started_at\":\"2013-05-29 02:37:59 +0000\",\"started_at_timestamp\":1369795079,\"host\":\"0.0.0.0\",\"port\":61034,\"limits\":{\"mem\":128,\"disk\":1024,\"fds\":16384},\"version\":\"3464e092-1c13-462e-a47c-807c30318a50\",\"name\":\"dsyerenv\",\"uris\":[\"dsyerenv.cfapps.io\"],\"users\":[],\"start\":\"2013-05-29 02:37:59 +0000\",\"state_timestamp\":1369795079}");
this.initializer.initialize(context);
assertEquals(null, context.getEnvironment().getProperty("vcap"));
this.initializer.onApplicationEvent(this.event);
assertEquals(null, this.context.getEnvironment().getProperty("vcap"));
}
@Test
public void testServiceProperties() {
ConfigurableApplicationContext context = new AnnotationConfigApplicationContext();
TestUtils
.addEnviroment(
context,
this.context,
"VCAP_SERVICES:{\"rds-mysql-n/a\":[{\"name\":\"mysql\",\"label\":\"rds-mysql-n/a\",\"plan\":\"10mb\",\"credentials\":{\"name\":\"d04fb13d27d964c62b267bbba1cffb9da\",\"hostname\":\"mysql-service-public.clqg2e2w3ecf.us-east-1.rds.amazonaws.com\",\"host\":\"mysql-service-public.clqg2e2w3ecf.us-east-1.rds.amazonaws.com\",\"port\":3306,\"user\":\"urpRuqTf8Cpe6\",\"username\":\"urpRuqTf8Cpe6\",\"password\":\"pxLsGVpsC9A5S\"}}]}");
this.initializer.initialize(context);
this.initializer.onApplicationEvent(this.event);
assertEquals("mysql",
context.getEnvironment().getProperty("vcap.services.mysql.name"));
this.context.getEnvironment().getProperty("vcap.services.mysql.name"));
}
}