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Refactor MySQLAutoconfiguration (#1703)

This commit is contained in:
Grzegorz Piwowarek 2017-04-22 14:19:39 +02:00 committed by GitHub
parent 7a96484ba3
commit f88d40442c
1 changed files with 20 additions and 28 deletions
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48
spring-boot/src/main/java/com/baeldung/autoconfiguration/MySQLAutoconfiguration.java
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@ -1,28 +1,10 @@
package com.baeldung.autoconfiguration;
import java.util.Arrays;
import java.util.Properties;
import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
import org.springframework.boot.autoconfigure.condition.ConditionMessage;
import org.springframework.boot.autoconfigure.condition.*;
import org.springframework.boot.autoconfigure.condition.ConditionMessage.Style;
import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.condition.ConditionalOnResource;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.context.annotation.*;
import org.springframework.core.Ordered;
import org.springframework.core.env.Environment;
import org.springframework.core.type.AnnotatedTypeMetadata;
@ -32,11 +14,17 @@ import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.util.ClassUtils;
import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;
import java.util.Arrays;
import java.util.Properties;
@Configuration
@ConditionalOnClass(DataSource.class)
@AutoConfigureOrder(Ordered.HIGHEST_PRECEDENCE)
@PropertySource("classpath:mysql.properties")
public class MySQLAutoconfiguration {
@Autowired
private Environment env;
@ -74,7 +62,7 @@ public class MySQLAutoconfiguration {
public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
final LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
em.setDataSource(dataSource());
em.setPackagesToScan(new String[] { "com.baeldung.autoconfiguration.example" });
em.setPackagesToScan("com.baeldung.autoconfiguration.example");
em.setJpaVendorAdapter(new HibernateJpaVendorAdapter());
if (additionalProperties() != null) {
em.setJpaProperties(additionalProperties());
@ -104,17 +92,21 @@ public class MySQLAutoconfiguration {
static class HibernateCondition extends SpringBootCondition {
private static String[] CLASS_NAMES = { "org.hibernate.ejb.HibernateEntityManager", "org.hibernate.jpa.HibernateEntityManager" };
private static final String[] CLASS_NAMES = {
"org.hibernate.ejb.HibernateEntityManager",
"org.hibernate.jpa.HibernateEntityManager" };
@Override
public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
ConditionMessage.Builder message = ConditionMessage.forCondition("Hibernate");
for (String className : CLASS_NAMES) {
if (ClassUtils.isPresent(className, context.getClassLoader())) {
return ConditionOutcome.match(message.found("class").items(Style.NORMAL, className));
}
}
return ConditionOutcome.noMatch(message.didNotFind("class", "classes").items(Style.NORMAL, Arrays.asList(CLASS_NAMES)));
return Arrays.stream(CLASS_NAMES)
.filter(className -> ClassUtils.isPresent(className, context.getClassLoader()))
.map(className -> ConditionOutcome
.match(message.found("class").items(Style.NORMAL, className)))
.findAny()
.orElseGet(() -> ConditionOutcome
.noMatch(message.didNotFind("class", "classes").items(Style.NORMAL, Arrays.asList(CLASS_NAMES))));
}
}