| /** |
| * 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.apache.camel.component.rest.swagger; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.apache.camel.util.StringHelper; |
| |
| import static org.apache.camel.util.StringHelper.notEmpty; |
| |
| final class RestSwaggerHelper { |
| |
| private static final Pattern HOST_PATTERN = Pattern.compile("https?://[^:]+(:\\d+)?", Pattern.CASE_INSENSITIVE); |
| |
| private RestSwaggerHelper() { |
| // utility class |
| } |
| |
| public static String isMediaRange(final String given, final String name) { |
| return notEmpty(given, name); |
| } |
| |
| static String isHostParam(final String given) { |
| final String hostUri = StringHelper.notEmpty(given, "host"); |
| |
| final Matcher matcher = HOST_PATTERN.matcher(given); |
| |
| if (!matcher.matches()) { |
| throw new IllegalArgumentException( |
| "host must be an apsolute URI (e.g. http://api.example.com), given: `" + hostUri + "`"); |
| } |
| |
| return hostUri; |
| } |
| } |