/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.jooby.internal;
import static java.util.Objects.requireNonNull;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
public class RegexRouteMatcher implements RouteMatcher {
private final Matcher matcher;
private final List<String> varNames;
private final Map<Object, String> vars = new HashMap<>();
private final String path;
public RegexRouteMatcher(final String path, final Matcher matcher,
final List<String> varNames) {
this.path = requireNonNull(path, "A path is required.");
this.matcher = requireNonNull(matcher, "A matcher is required.");
this.varNames = requireNonNull(varNames, "The varNames are required.");
}
@Override
public String path() {
return path;
}
@Override
public boolean matches() {
boolean matches = matcher.matches();
if (matches) {
int varCount = varNames.size();
int groupCount = matcher.groupCount();
for (int idx = 0; idx < groupCount; idx++) {
String var = matcher.group(idx + 1);
if (var.startsWith("/")) {
var = var.substring(1);
}
// idx indices
vars.put(idx, var);
// named vars
if (idx < varCount) {
vars.put(varNames.get(idx), matcher.group("v" + idx));
}
}
}
return matches;
}
@Override
public Map<Object, String> vars() {
return vars;
}
}