Revised ResourcePropertySource in order to avoid ConfigurationClassProcessor's AnnotationPropertySource subclass

Issue: SPR-12115
This commit is contained in:
Juergen Hoeller
2014-08-22 13:54:39 +02:00
parent dbe337f932
commit 9dfbc5326b
5 changed files with 73 additions and 59 deletions

View File

@@ -34,6 +34,7 @@ import java.util.Stack;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.Aware;
import org.springframework.beans.factory.BeanClassLoaderAware;
@@ -244,13 +245,13 @@ class ConfigurationClassParser {
// Process any @PropertySource annotations
for (AnnotationAttributes propertySource : AnnotationConfigUtils.attributesForRepeatable(
sourceClass.getMetadata(), PropertySources.class, org.springframework.context.annotation.PropertySource.class)) {
if (!(this.environment instanceof ConfigurableEnvironment)) {
logger.warn("Ignoring @PropertySource annotation on "
+ sourceClass.getMetadata().getClassName()
+ "Reason: Environment must implement ConfigurableEnvironment");
} else {
if (this.environment instanceof ConfigurableEnvironment) {
processPropertySource(propertySource);
}
else {
logger.warn("Ignoring @PropertySource annotation on [" + sourceClass.getMetadata().getClassName() +
"]. Reason: Environment must implement ConfigurableEnvironment");
}
}
// Process any @ComponentScan annotations
@@ -329,7 +330,11 @@ class ConfigurationClassParser {
Assert.isTrue(locations.length > 0, "At least one @PropertySource(value) location is required");
for (String location : locations) {
try {
processPropertySourceLocation(name, location);
String resolvedLocation = this.environment.resolveRequiredPlaceholders(location);
Resource resource = this.resourceLoader.getResource(resolvedLocation);
ResourcePropertySource rps = (StringUtils.hasText(name) ?
new ResourcePropertySource(name, resource) : new ResourcePropertySource(resource));
addPropertySource(rps);
}
catch (IllegalArgumentException ex) {
// from resolveRequiredPlaceholders
@@ -346,38 +351,30 @@ class ConfigurationClassParser {
}
}
private void processPropertySourceLocation(String name, String location) throws IOException, FileNotFoundException {
String resolvedLocation = this.environment.resolveRequiredPlaceholders(location);
Resource resource = this.resourceLoader.getResource(resolvedLocation);
AnnotationPropertySource propertySource = (StringUtils.hasText(name) ?
new AnnotationPropertySource(name, resource) : new AnnotationPropertySource(resource));
addPropertySource(propertySource);
}
private void addPropertySource(AnnotationPropertySource propertySource) {
private void addPropertySource(ResourcePropertySource propertySource) {
String name = propertySource.getName();
MutablePropertySources propertySources = ((ConfigurableEnvironment) this.environment).getPropertySources();
if (propertySources.contains(name) && this.propertySourceNames.contains(name)) {
// We've already added a version, we need to extend it
PropertySource<?> existing = propertySources.get(name);
if (existing instanceof CompositePropertySource) {
((CompositePropertySource) existing).addFirstPropertySource(
propertySource.resourceNamedPropertySource());
((CompositePropertySource) existing).addFirstPropertySource(propertySource.withResourceName());
}
else {
if (existing instanceof AnnotationPropertySource) {
existing = ((AnnotationPropertySource) existing).resourceNamedPropertySource();
if (existing instanceof ResourcePropertySource) {
existing = ((ResourcePropertySource) existing).withResourceName();
}
CompositePropertySource composite = new CompositePropertySource(name);
composite.addPropertySource(propertySource.resourceNamedPropertySource());
composite.addPropertySource(propertySource.withResourceName());
composite.addPropertySource(existing);
propertySources.replace(name, composite);
}
}
else {
if(this.propertySourceNames.isEmpty()) {
if (this.propertySourceNames.isEmpty()) {
propertySources.addLast(propertySource);
} else {
}
else {
String firstProcessed = this.propertySourceNames.iterator().next();
propertySources.addBefore(firstProcessed, propertySource);
}
@@ -831,34 +828,4 @@ class ConfigurationClassParser {
}
}
private static class AnnotationPropertySource extends ResourcePropertySource {
/** The resource name or null if the same as getName() */
private final String resourceName;
public AnnotationPropertySource(Resource resource) throws IOException {
super(resource);
this.resourceName = null;
}
public AnnotationPropertySource(String name, Resource resource) throws IOException {
super(name, resource);
this.resourceName = getNameForResource(resource);
}
protected AnnotationPropertySource(String name, Map<String, Object> source) {
super(name, source);
this.resourceName = null;
}
public AnnotationPropertySource resourceNamedPropertySource() {
if (this.resourceName == null) {
return this;
}
return new AnnotationPropertySource(this.resourceName, getSource());
}
}
}