org.swisspush.gateleen.routing.Translator Maven / Gradle / Ivy
package org.swisspush.gateleen.routing;
import org.slf4j.Logger;
import org.swisspush.gateleen.core.util.StatusCodeTranslator;
import java.util.Map;
import java.util.Objects;
import java.util.regex.Pattern;
/**
* Enhances the {@link org.swisspush.gateleen.core.util.StatusCodeTranslator } with features
* needed explicitly in the Router.
*
* @author https://github.com/ljucam [Mario Aerni]
*/
public class Translator extends StatusCodeTranslator {
/**
* Checks if there exists a handling for the given statusCode in the
* rules for this request.
*
* @param statusCode the original status code
* @param rule the rule matching the current request
* @return the translated status or if no translation was carried out the original status code.
*/
public static int translateStatusCode(int statusCode, Rule rule) {
return translateStatusCode(statusCode, rule, null);
}
/**
* Checks if there exists a handling for the given statusCode in the
* rules for this request.
*
* @param statusCode the original status code
* @param rule the rule matching the current request
* @param log extra configured logger
* @return the translated status or if no translation was carried out the original status code.
*/
public static int translateStatusCode(int statusCode, Rule rule, Logger log) {
Integer translatedStatus = null;
if (rule.getTranslateStatus() != null) {
for (Map.Entry entry : rule.getTranslateStatus().entrySet()) {
if (entry.getKey().matcher("" + statusCode).matches()) {
if (log != null) {
log.debug("Translated status {} to {}", statusCode, entry.getValue());
}
translatedStatus = entry.getValue();
break;
}
}
}
// if something is found, return found value else return original value
return Objects.requireNonNullElse(translatedStatus, statusCode);
}
}