Java Conventions.getVariableName方法代码示例

import org.springframework.core.Conventions; //导入方法依赖的package包/类
/**
 * Add the given filter to the ServletContext and map it to the
 * {@code DispatcherServlet} as follows:
 * <ul>
 * <li>a default filter name is chosen based on its concrete type
 * <li>the {@code asyncSupported} flag is set depending on the
 * return value of {@link #isAsyncSupported() asyncSupported}
 * <li>a filter mapping is created with dispatcher types {@code REQUEST},
 * {@code FORWARD}, {@code INCLUDE}, and conditionally {@code ASYNC} depending
 * on the return value of {@link #isAsyncSupported() asyncSupported}
 * </ul>
 * <p>If the above defaults are not suitable or insufficient, override this
 * method and register filters directly with the {@code ServletContext}.
 * @param servletContext the servlet context to register filters with
 * @param filter the filter to be registered
 * @return the filter registration
 */
protected FilterRegistration.Dynamic registerServletFilter(ServletContext servletContext, Filter filter) {
	String filterName = Conventions.getVariableName(filter);
	Dynamic registration = servletContext.addFilter(filterName, filter);
	if (registration == null) {
		int counter = -1;
		while (counter == -1 || registration == null) {
			counter++;
			registration = servletContext.addFilter(filterName + "#" + counter, filter);
			Assert.isTrue(counter < 100,
					"Failed to register filter '" + filter + "'." +
					"Could the same Filter instance have been registered already?");
		}
	}
	registration.setAsyncSupported(isAsyncSupported());
	registration.addMappingForServletNames(getDispatcherTypes(), false, getServletName());
	return registration;
}
 

import org.springframework.core.Conventions; //导入方法依赖的package包/类
/**
 * Registers the provided {@link Filter}s using default generated names,
 * {@link #getSessionDispatcherTypes()}, and {@link #isAsyncSessionSupported()}.
 *
 * @param servletContext the {@link ServletContext} to use
 * @param insertBeforeOtherFilters if true, will insert the provided {@link Filter}s
 * before other {@link Filter}s. Otherwise, will insert the {@link Filter}s after
 * other {@link Filter}s.
 * @param filters the {@link Filter}s to register
 */
private void registerFilters(ServletContext servletContext,
		boolean insertBeforeOtherFilters, Filter... filters) {
	Assert.notEmpty(filters, "filters cannot be null or empty");

	for (Filter filter : filters) {
		if (filter == null) {
			throw new IllegalArgumentException(
					"filters cannot contain null values. Got "
							+ Arrays.asList(filters));
		}
		String filterName = Conventions.getVariableName(filter);
		registerFilter(servletContext, insertBeforeOtherFilters, filterName, filter);
	}
}
 

import org.springframework.core.Conventions; //导入方法依赖的package包/类
/**
 * Add the given filter to the ServletContext and map it to the
 * {@code DispatcherServlet} as follows:
 * <ul>
 * <li>a default filter name is chosen based on its concrete type
 * <li>the {@code asyncSupported} flag is set depending on the
 * return value of {@link #isAsyncSupported() asyncSupported}
 * <li>a filter mapping is created with dispatcher types {@code REQUEST},
 * {@code FORWARD}, {@code INCLUDE}, and conditionally {@code ASYNC} depending
 * on the return value of {@link #isAsyncSupported() asyncSupported}
 * </ul>
 * <p>If the above defaults are not suitable or insufficient, override this
 * method and register filters directly with the {@code ServletContext}.
 * @param servletContext the servlet context to register filters with
 * @param filter the filter to be registered
 * @return the filter registration
 */
protected FilterRegistration.Dynamic registerServletFilter(ServletContext servletContext, Filter filter) {
	String filterName = Conventions.getVariableName(filter);
	Dynamic registration = servletContext.addFilter(filterName, filter);
	registration.setAsyncSupported(isAsyncSupported());
	registration.addMappingForServletNames(getDispatcherTypes(), false, getServletName());
	return registration;
}
 

import org.springframework.core.Conventions; //导入方法依赖的package包/类
/**
 * Deduces the name for this registration. Will return user specified name or fallback
 * to convention based naming.
 * @param value the object used for convention based names
 * @return the deduced name
 */
protected final String getOrDeduceName(Object value) {
	return (this.name != null ? this.name : Conventions.getVariableName(value));
}