Java MutablePropertySources.replace方法代码示例

import org.springframework.core.env.MutablePropertySources; //导入方法依赖的package包/类
/**
 * Add, remove or re-order any {@link PropertySource}s in this application's
 * environment.
 * @param environment this application's environment
 * @param args arguments passed to the {@code run} method
 * @see #configureEnvironment(ConfigurableEnvironment, String[])
 */
protected void configurePropertySources(ConfigurableEnvironment environment,
		String[] args) {
	MutablePropertySources sources = environment.getPropertySources();
	if (this.defaultProperties != null && !this.defaultProperties.isEmpty()) {
		sources.addLast(
				new MapPropertySource("defaultProperties", this.defaultProperties));
	}
	if (this.addCommandLineProperties && args.length > 0) {
		String name = CommandLinePropertySource.COMMAND_LINE_PROPERTY_SOURCE_NAME;
		if (sources.contains(name)) {
			PropertySource<?> source = sources.get(name);
			CompositePropertySource composite = new CompositePropertySource(name);
			composite.addPropertySource(new SimpleCommandLinePropertySource(
					name + "-" + args.hashCode(), args));
			composite.addPropertySource(source);
			sources.replace(name, composite);
		}
		else {
			sources.addFirst(new SimpleCommandLinePropertySource(args));
		}
	}
}
 

import org.springframework.core.env.MutablePropertySources; //导入方法依赖的package包/类
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.withResourceName());
		}
		else {
			if (existing instanceof ResourcePropertySource) {
				existing = ((ResourcePropertySource) existing).withResourceName();
			}
			CompositePropertySource composite = new CompositePropertySource(name);
			composite.addPropertySource(propertySource.withResourceName());
			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);
}
 

import org.springframework.core.env.MutablePropertySources; //导入方法依赖的package包/类
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);
}
 

import org.springframework.core.env.MutablePropertySources; //导入方法依赖的package包/类
/**
 * Replace {@code Servlet}-based {@link StubPropertySource stub property sources} with
 * actual instances populated with the given {@code servletContext} and
 * {@code servletConfig} objects.
 * <p>This method is idempotent with respect to the fact it may be called any number
 * of times but will perform replacement of stub property sources with their
 * corresponding actual property sources once and only once.
 * @param propertySources the {@link MutablePropertySources} to initialize (must not
 * be {@code null})
 * @param servletContext the current {@link ServletContext} (ignored if {@code null}
 * or if the {@link StandardServletEnvironment#SERVLET_CONTEXT_PROPERTY_SOURCE_NAME
 * servlet context property source} has already been initialized)
 * @param servletConfig the current {@link ServletConfig} (ignored if {@code null}
 * or if the {@link StandardServletEnvironment#SERVLET_CONFIG_PROPERTY_SOURCE_NAME
 * servlet config property source} has already been initialized)
 * @see org.springframework.core.env.PropertySource.StubPropertySource
 * @see org.springframework.core.env.ConfigurableEnvironment#getPropertySources()
 */
public static void initServletPropertySources(
		MutablePropertySources propertySources, ServletContext servletContext, ServletConfig servletConfig) {

	Assert.notNull(propertySources, "propertySources must not be null");
	if (servletContext != null && propertySources.contains(StandardServletEnvironment.SERVLET_CONTEXT_PROPERTY_SOURCE_NAME) &&
			propertySources.get(StandardServletEnvironment.SERVLET_CONTEXT_PROPERTY_SOURCE_NAME) instanceof StubPropertySource) {
		propertySources.replace(StandardServletEnvironment.SERVLET_CONTEXT_PROPERTY_SOURCE_NAME,
				new ServletContextPropertySource(StandardServletEnvironment.SERVLET_CONTEXT_PROPERTY_SOURCE_NAME, servletContext));
	}
	if (servletConfig != null && propertySources.contains(StandardServletEnvironment.SERVLET_CONFIG_PROPERTY_SOURCE_NAME) &&
			propertySources.get(StandardServletEnvironment.SERVLET_CONFIG_PROPERTY_SOURCE_NAME) instanceof StubPropertySource) {
		propertySources.replace(StandardServletEnvironment.SERVLET_CONFIG_PROPERTY_SOURCE_NAME,
				new ServletConfigPropertySource(StandardServletEnvironment.SERVLET_CONFIG_PROPERTY_SOURCE_NAME, servletConfig));
	}
}
 

import org.springframework.core.env.MutablePropertySources; //导入方法依赖的package包/类
/**
 * Replace {@code Servlet}- and {@code Portlet}-based {@link
 * org.springframework.core.env.PropertySource.StubPropertySource stub property
 * sources} with actual instances populated with the given {@code servletContext},
 * {@code portletContext} and {@code portletConfig} objects.
 * <p>This method is idempotent with respect to the fact it may be called any number
 * of times but will perform replacement of stub property sources with their
 * corresponding actual property sources once and only once.
 * @param propertySources the {@link MutablePropertySources} to initialize (must not be {@code null})
 * @param servletContext the current {@link ServletContext} (ignored if {@code null}
 * or if the {@link org.springframework.web.context.support.StandardServletEnvironment#SERVLET_CONTEXT_PROPERTY_SOURCE_NAME
 * servlet context property source} has already been initialized)
 * @param portletContext the current {@link PortletContext} (ignored if {@code null}
 * or if the {@link StandardPortletEnvironment#PORTLET_CONTEXT_PROPERTY_SOURCE_NAME
 * portlet context property source} has already been initialized)
 * @param portletConfig the current {@link PortletConfig} (ignored if {@code null}
 * or if the {@link StandardPortletEnvironment#PORTLET_CONFIG_PROPERTY_SOURCE_NAME
 * portlet config property source} has already been initialized)
 * @see org.springframework.core.env.PropertySource.StubPropertySource
 * @see org.springframework.web.context.support.WebApplicationContextUtils#initServletPropertySources(MutablePropertySources, ServletContext)
 * @see org.springframework.core.env.ConfigurableEnvironment#getPropertySources()
 */
public static void initPortletPropertySources(MutablePropertySources propertySources, ServletContext servletContext,
		PortletContext portletContext, PortletConfig portletConfig) {

	Assert.notNull(propertySources, "propertySources must not be null");
	WebApplicationContextUtils.initServletPropertySources(propertySources, servletContext);

	if (portletContext != null && propertySources.contains(StandardPortletEnvironment.PORTLET_CONTEXT_PROPERTY_SOURCE_NAME)) {
		propertySources.replace(StandardPortletEnvironment.PORTLET_CONTEXT_PROPERTY_SOURCE_NAME,
				new PortletContextPropertySource(StandardPortletEnvironment.PORTLET_CONTEXT_PROPERTY_SOURCE_NAME, portletContext));
	}
	if (portletConfig != null && propertySources.contains(StandardPortletEnvironment.PORTLET_CONFIG_PROPERTY_SOURCE_NAME)) {
		propertySources.replace(StandardPortletEnvironment.PORTLET_CONFIG_PROPERTY_SOURCE_NAME,
				new PortletConfigPropertySource(StandardPortletEnvironment.PORTLET_CONFIG_PROPERTY_SOURCE_NAME, portletConfig));
	}
}