DefaultAnnotationHandlerMapping.java 文件源码

@Override
public void validate(PortletRequest request) throws PortletException {
    if (!PortletAnnotationMappingUtils.checkHeaders(this.headers, request)) {
        throw new PortletRequestBindingException("Header conditions \"" +
                StringUtils.arrayToDelimitedString(this.headers, ", ") +
                "\" not met for actual request");
    }
    if (!this.methods.isEmpty()) {
        if (!(request instanceof ClientDataRequest)) {
            throw new PortletRequestMethodNotSupportedException(StringUtils.toStringArray(this.methods));
        }
        String method = ((ClientDataRequest) request).getMethod();
        if (!this.methods.contains(method)) {
            throw new PortletRequestMethodNotSupportedException(method, StringUtils.toStringArray(this.methods));
        }
    }
}