Considering improving the PathMatcher

[alalag1]

make the PathMatcher performance up

why

Now, We are using regex to match the path variables of the URI. eg. /foo/{bar}/baz

Maybe we should stop using regex and try to resolve the path variables directly for a nice performance.

esa-restlight/restlight-server/src/main/java/esa/restlight/server/util/PathMatcher.java

Lines 761 to 782 in 9083990

	boolean matchStrings(String str, Map<String, String> uriTemplateVariables) {
	java.util.regex.Matcher matcher = this.pattern.matcher(str);
	if (matcher.matches()) {
	if (uriTemplateVariables != null) {
	// SPR-8455
	if (this.variableNames.size() != matcher.groupCount()) {
	throw new IllegalArgumentException("The number of capturing groups in the pattern segment " +
	this.pattern + " does not match the number of URI template variables it defines, " +
	"which can occur if capturing groups are used in a URI template regex. " +
	"Use non-capturing groups instead.");
	}
	for (int i = 1; i <= matcher.groupCount(); i++) {
	String name = this.variableNames.get(i - 1);
	String value = matcher.group(i);
	uriTemplateVariables.put(name, value);
	}
	}
	return true;
	} else {
	return false;
	}
	}