Java FilterConfig.getFilterName方法代码示例

import javax.servlet.FilterConfig; //导入方法依赖的package包/类
/**
 * Create new FilterConfigPropertyValues.
 * @param config FilterConfig we'll use to take PropertyValues from
 * @param requiredProperties set of property names we need, where
 * we can't accept default values
 * @throws ServletException if any required properties are missing
 */
public FilterConfigPropertyValues(FilterConfig config, Set<String> requiredProperties)
	throws ServletException {

	Set<String> missingProps = (requiredProperties != null && !requiredProperties.isEmpty()) ?
			new HashSet<String>(requiredProperties) : null;

	Enumeration<?> en = config.getInitParameterNames();
	while (en.hasMoreElements()) {
		String property = (String) en.nextElement();
		Object value = config.getInitParameter(property);
		addPropertyValue(new PropertyValue(property, value));
		if (missingProps != null) {
			missingProps.remove(property);
		}
	}

	// Fail if we are still missing properties.
	if (missingProps != null && missingProps.size() > 0) {
		throw new ServletException(
			"Initialization from FilterConfig for filter '" + config.getFilterName() +
			"' failed; the following required properties were missing: " +
			StringUtils.collectionToDelimitedString(missingProps, ", "));
	}
}
 

import javax.servlet.FilterConfig; //导入方法依赖的package包/类
/**
 * Standard way of initializing this filter.
 * Map config parameters onto bean properties of this filter, and
 * invoke subclass initialization.
 * @param filterConfig the configuration for this filter
 * @throws ServletException if bean properties are invalid (or required
 * properties are missing), or if subclass initialization fails.
 * @see #initFilterBean
 */
@Override
public final void init(FilterConfig filterConfig) throws ServletException {
	Assert.notNull(filterConfig, "FilterConfig must not be null");
	if (logger.isDebugEnabled()) {
		logger.debug("Initializing filter '" + filterConfig.getFilterName() + "'");
	}

	this.filterConfig = filterConfig;

	// Set bean properties from init parameters.
	try {
		PropertyValues pvs = new FilterConfigPropertyValues(filterConfig, this.requiredProperties);
		BeanWrapper bw = PropertyAccessorFactory.forBeanPropertyAccess(this);
		ResourceLoader resourceLoader = new ServletContextResourceLoader(filterConfig.getServletContext());
		bw.registerCustomEditor(Resource.class, new ResourceEditor(resourceLoader, this.environment));
		initBeanWrapper(bw);
		bw.setPropertyValues(pvs, true);
	}
	catch (BeansException ex) {
		String msg = "Failed to set bean properties on filter '" +
			filterConfig.getFilterName() + "': " + ex.getMessage();
		logger.error(msg, ex);
		throw new NestedServletException(msg, ex);
	}

	// Let subclasses do whatever initialization they like.
	initFilterBean();

	if (logger.isDebugEnabled()) {
		logger.debug("Filter '" + filterConfig.getFilterName() + "' configured successfully");
	}
}
 

import javax.servlet.FilterConfig; //导入方法依赖的package包/类
/**
 * The filterId uniquely identifies this rate limiting filter among others.
 * Once set it will not be changed.
 */
private void initializeIdentifier(FilterConfig filterConfig) {
	if (filterId == null) {
		filterId = filterConfig.getFilterName();
	}
}