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package org.glassfish.grizzly.http2.frames;

/**
 * Error codes enum
 */
public enum ErrorCode {
    NO_ERROR(0),
    PROTOCOL_ERROR(1),
    INTERNAL_ERROR(2),
    FLOW_CONTROL_ERROR(3),
    SETTINGS_TIMEOUT(4),
    STREAM_CLOSED(5),
    FRAME_SIZE_ERROR(6),
    REFUSED_STREAM(7),
    CANCEL(8),
    COMPRESSION_ERROR(9),
    CONNECT_ERROR(10),
    ENHANCE_YOUR_CALM(11),
    INADEQUATE_SECURITY(12);
    
    final int code;
    
    private static final ErrorCode[] intToErrorCode =
            new ErrorCode[ErrorCode.values().length];
    
    static {
        for (ErrorCode errorCode : ErrorCode.values()) {
            intToErrorCode[errorCode.getCode()] = errorCode;
        }
    }

    public static ErrorCode lookup(final int code) {
        return code >= 0 && code < intToErrorCode.length
                ? intToErrorCode[code]
                : INTERNAL_ERROR;
    }
    
    ErrorCode(final int code) {
        this.code = code;
    }
    
    public int getCode() {
        return code;
    }
}