Source code
package org.springframework.web.socket.sockjs.frame;
/**
* Applies a transport-specific format to the content of a SockJS frame resulting
* in a content that can be written out. Primarily for use in HTTP server-side
* transports that push data.
*
* <p>Formatting may vary from simply appending a new line character for XHR
* polling and streaming transports, to a jsonp-style callback function,
* surrounding script tags, and more.
*
* <p>For the various SockJS frame formats in use, see implementations of
* {@link org.springframework.web.socket.sockjs.transport.handler.AbstractHttpSendingTransportHandler#getFrameFormat(org.springframework.http.server.ServerHttpRequest) AbstractHttpSendingTransportHandler.getFrameFormat}
*
* @author Rossen Stoyanchev
* @since 4.0
*/
public interface SockJsFrameFormat {
String format(SockJsFrame frame);
}
Run 1
The code is a well-documented, single-purpose interface. It has a clear logical structure, with a concise Javadoc explaining intent, context, and usage. There is no nesting, and the single method declaration makes the action granularity and reading flow straightforward. The code length is minimal and appropriate for an interface definition. The only minor deduction is that the Javadoc could be slightly shorter, but it remains highly readable overall.
Run 2
The code is highly readable. It defines a single-purpose interface with a clear name and one method. The Javadoc is excellent—it explains the interface's purpose, variations in formatting, and references concrete implementations. Structure is minimal and logical, with no nesting or unnecessary code. Intent is immediately clear. The action granularity is perfect: one method signature per line. Reading flow is natural, moving from high-level purpose to the single method definition. Only minor deduction is for a long Javadoc inline link, but it does not harm readability significantly.
Run 3
The code is highly readable. It has a clear, logical structure: a single interface with one method, preceded by a well-organized Javadoc comment. Nesting is effectively flat, with no conditional or loop complexity. The intent is explicit — the interface's purpose and the role of the formatting method are clearly documented. The code is concise, with no redundant or unnecessarily long sections. Action granularity is appropriately one action per line, as the method signature and body are simple. Reading flow is natural, moving from high-level documentation to the interface declaration and method. The only minor deduction is that the Javadoc could be slightly more compact, but overall this is an exemplary model of readable code.
Run 1
Code Structure: A logically organized interface with a single, focused method. Nesting: No nested control flow or unnecessary structural complexity. Clarity of intent: Descriptive interface and parameter names, supported by documentation explaining transport-specific formatting and examples; the method lacks explicit parameter and return documentation. Code length: The implementation is minimal, though the lengthy documentation link slightly reduces concision. Action granularity: The method declaration occupies its own line, with no combined actions. Reading flow: Standard Java ordering and consistent spacing make the code easy to scan, with only the long documentation reference interrupting the otherwise natural flow.
Run 2
Code Structure: The interface is logically organized, with documentation followed by a single method. Nesting: There is no nested logic. Clarity of intent: The interface name, typed parameter, return type, and Javadoc clearly communicate transport-specific frame formatting, though the method lacks its own parameter and return documentation. Code length: The implementation is minimal; the lengthy Javadoc link slightly reduces visual readability. Action granularity: The sole method declaration occupies one line, with no combined actions. Reading flow: The package, contextual documentation, and interface declaration follow a natural, conventional Java layout.
Run 3
Code Structure: A logically organized interface with a single, clearly defined responsibility. Nesting: No nested control flow or unnecessary structural complexity. Clarity of intent: The interface name, format method, typed parameter, and Javadoc clearly explain transport-specific frame formatting; method-level documentation could further clarify the return value. Code length: The implementation is minimal, and the documentation provides useful context, though the long Javadoc link is visually cumbersome. Action granularity: The single method declaration occupies its own line, with no combined actions. Reading flow: The package, explanatory documentation, interface declaration, and method appear in a natural order.