org.springframework.core.env.PropertySource#getName ( )源码实例Demo

private void addPropertySource(PropertySource<?> propertySource) {
	String name = propertySource.getName();
	MutablePropertySources propertySources = ((ConfigurableEnvironment) this.environment).getPropertySources();

	if (this.propertySourceNames.contains(name)) {
		// We've already added a version, we need to extend it
		PropertySource<?> existing = propertySources.get(name);
		if (existing != null) {
			PropertySource<?> newSource = (propertySource instanceof ResourcePropertySource ?
					((ResourcePropertySource) propertySource).withResourceName() : propertySource);
			if (existing instanceof CompositePropertySource) {
				((CompositePropertySource) existing).addFirstPropertySource(newSource);
			}
			else {
				if (existing instanceof ResourcePropertySource) {
					existing = ((ResourcePropertySource) existing).withResourceName();
				}
				CompositePropertySource composite = new CompositePropertySource(name);
				composite.addPropertySource(newSource);
				composite.addPropertySource(existing);
				propertySources.replace(name, composite);
			}
			return;
		}
	}

	if (this.propertySourceNames.isEmpty()) {
		propertySources.addLast(propertySource);
	}
	else {
		String firstProcessed = this.propertySourceNames.get(this.propertySourceNames.size() - 1);
		propertySources.addBefore(firstProcessed, propertySource);
	}
	this.propertySourceNames.add(name);
}
 

private void addPropertySource(PropertySource<?> propertySource) {
	String name = propertySource.getName();
	MutablePropertySources propertySources = ((ConfigurableEnvironment) this.environment).getPropertySources();

	if (this.propertySourceNames.contains(name)) {
		// We've already added a version, we need to extend it
		PropertySource<?> existing = propertySources.get(name);
		if (existing != null) {
			PropertySource<?> newSource = (propertySource instanceof ResourcePropertySource ?
					((ResourcePropertySource) propertySource).withResourceName() : propertySource);
			if (existing instanceof CompositePropertySource) {
				((CompositePropertySource) existing).addFirstPropertySource(newSource);
			}
			else {
				if (existing instanceof ResourcePropertySource) {
					existing = ((ResourcePropertySource) existing).withResourceName();
				}
				CompositePropertySource composite = new CompositePropertySource(name);
				composite.addPropertySource(newSource);
				composite.addPropertySource(existing);
				propertySources.replace(name, composite);
			}
			return;
		}
	}

	if (this.propertySourceNames.isEmpty()) {
		propertySources.addLast(propertySource);
	}
	else {
		String firstProcessed = this.propertySourceNames.get(this.propertySourceNames.size() - 1);
		propertySources.addBefore(firstProcessed, propertySource);
	}
	this.propertySourceNames.add(name);
}
 

private void addPropertySource(PropertySource<?> 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);
		PropertySource<?> newSource = (propertySource instanceof ResourcePropertySource ?
				((ResourcePropertySource) propertySource).withResourceName() : propertySource);
		if (existing instanceof CompositePropertySource) {
			((CompositePropertySource) existing).addFirstPropertySource(newSource);
		}
		else {
			if (existing instanceof ResourcePropertySource) {
				existing = ((ResourcePropertySource) existing).withResourceName();
			}
			CompositePropertySource composite = new CompositePropertySource(name);
			composite.addPropertySource(newSource);
			composite.addPropertySource(existing);
			propertySources.replace(name, composite);
		}
	}
	else {
		if (this.propertySourceNames.isEmpty()) {
			propertySources.addLast(propertySource);
		}
		else {
			String firstProcessed = this.propertySourceNames.get(this.propertySourceNames.size() - 1);
			propertySources.addBefore(firstProcessed, propertySource);
		}
	}
	this.propertySourceNames.add(name);
}
 

public static boolean isEligiblePropertySource(PropertySource source) {
  // Exclude system environment properties and system property sources
  // because they are already included in the default configuration
  final String name = source.getName();
  return (source instanceof EnumerablePropertySource) &&
      !(
          name.equalsIgnoreCase(StandardEnvironment.SYSTEM_ENVIRONMENT_PROPERTY_SOURCE_NAME) ||
              name.equalsIgnoreCase(StandardEnvironment.SYSTEM_PROPERTIES_PROPERTY_SOURCE_NAME)
      );
}
 

public CachingDelegateEncryptablePropertySource(PropertySource<T> delegate, EncryptablePropertyResolver resolver, EncryptablePropertyFilter filter) {
    super(delegate.getName(), delegate.getSource());
    Assert.notNull(delegate, "PropertySource delegate cannot be null");
    Assert.notNull(resolver, "EncryptablePropertyResolver cannot be null");
    Assert.notNull(filter, "EncryptablePropertyFilter cannot be null");
    this.delegate = delegate;
    this.resolver = resolver;
    this.filter = filter;
    this.cache = new HashMap<>();
}
 

private static boolean hasSystemEnvironmentName(PropertySource<?> source) {
    String name = source.getName();
    return StandardEnvironment.SYSTEM_ENVIRONMENT_PROPERTY_SOURCE_NAME.equals(name)
            || name.endsWith("-"
            + StandardEnvironment.SYSTEM_ENVIRONMENT_PROPERTY_SOURCE_NAME);
}
 

public EncryptablePropertySourceWrapper(PropertySource<T> delegate, EncryptablePropertyResolver resolver, EncryptablePropertyFilter filter) {
    super(delegate.getName(), delegate.getSource());
    encryptableDelegate = new CachingDelegateEncryptablePropertySource<>(delegate, resolver, filter);
}
 

public SimpleBootstrapPropertySource(PropertySource<T> delegate) {
	super(BOOTSTRAP_PROPERTY_SOURCE_NAME + "-" + delegate.getName(),
			delegate.getSource());
	this.delegate = delegate;
}
 

CloudConfigAwarePropertySource(PropertySource source, ConfigurableApplicationContext context) {
  super(source.getName(), source);
  this.context = context;
}