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 highly readable. It demonstrates excellent structure with a clear package declaration, import section, and a well-organized interface definition. Nesting is minimal and appropriate for a simple interface. The Javadoc comments clearly explain the purpose, context, and provide useful references, making the intent unambiguous. Code length is concise, containing only the essential elements. Action granularity is ideal - each statement occupies its own line. Reading flow is natural: package, Javadoc, interface declaration, method signature, closing brace. The only minor issue is the unusual placement of the 'public interface' keyword on the same line as the Javadoc closing tag, which slightly disrupts conventional formatting. Overall, this is production-quality, maintainable code that would be easy for any developer to understand immediately.
Run 2
The code is exceptionally readable. It consists of a single, well-defined interface with clear intent: apply a transport-specific format to a SockJS frame. The Javadoc is concise and informative, explaining the purpose, potential format variations, and pointing to relevant implementations. The interface has a single method, `format`, with a clear parameter and return type. There is no unnecessary complexity, nesting, or verbosity. The code is flat, organized, and flows naturally. The only minor formatting issue is the Javadoc closing tag and `@since` tag appearing on the same line as the `public interface` declaration, which slightly disrupts conventional formatting but does not impact comprehension. Overall, this is exemplary code that is easy to understand and maintain.
Run 3
The code is highly readable due to its excellent structure and clear intent. It consists of a single, well-documented interface with one concise method, resulting in flat nesting and minimal length. The Javadoc provides thorough context, explaining the purpose and implementation details, which aids clarity. However, the code loses points for the unusual placement of the interface declaration on the same line as the closing Javadoc tag, which breaks conventional formatting. Additionally, the interface could benefit from a separating line between the class documentation and the declaration itself. Action granularity is perfect, and the reading flow is natural, though the formatting irregularity slightly disrupts it.
Run 1
Code Structure: A simple interface with a single method is logically organized. Nesting: No nested control flow or unnecessary structural depth. Clarity of intent: Descriptive type and method names, supported by detailed Javadoc, clearly communicate transport-specific frame formatting; method-level documentation could clarify the return value. Code length: The implementation is minimal, though the documentation is relatively lengthy and includes a cumbersome link. Action granularity: The method declaration occupies its own line, with no combined actions. Reading flow: Package, documentation, interface, and method follow a natural order. However, placing the interface declaration on the same line as the closing Javadoc delimiter disrupts conventional formatting and slightly reduces readability.
Run 2
Code Structure: A minimal, logically organized interface with a single formatting method. Nesting: No nested control flow or unnecessary complexity. Clarity of intent: The interface name, method signature, and explanatory Javadoc clearly communicate transport-specific SockJS frame formatting, though method-level documentation could clarify the return value. Code length: The implementation is appropriately concise; the documentation is useful but contains a lengthy cross-reference. Action granularity: The single method declaration occupies its own line, with no combined operations. Reading flow: Package, documentation, interface, and method follow a natural order. However, placing the interface declaration directly after the closing Javadoc marker and using an unusually long link line slightly reduce readability.
Run 3
Code Structure: A single, logically organized interface declares one formatting method. Nesting: No nested control flow or complex blocks. Clarity of intent: Descriptive interface and method names, supported by Javadoc explaining transport-specific formatting, make the purpose clear; method-level documentation could clarify the return value. Code length: The implementation is minimal, although the documentation is relatively lengthy for one method. Action granularity: One declaration per line keeps the code easy to scan. Reading flow: Package, documentation, interface, and method follow a natural order. Minor readability issues include placing the interface declaration on the same line as the closing Javadoc marker and an unusually long Javadoc link.