| /** |
| * 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.cxf.jaxrs.swagger.ui; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.regex.Pattern; |
| |
| import javax.annotation.Priority; |
| import javax.ws.rs.HttpMethod; |
| import javax.ws.rs.Priorities; |
| import javax.ws.rs.container.ContainerRequestContext; |
| import javax.ws.rs.container.ContainerRequestFilter; |
| import javax.ws.rs.container.PreMatching; |
| import javax.ws.rs.core.UriInfo; |
| |
| @PreMatching |
| @Priority(Priorities.USER) |
| class SwaggerUiResourceFilter implements ContainerRequestFilter { |
| private static final Pattern PATTERN = |
| Pattern.compile( |
| ".*[.]js|.*[.]gz|.*[.]map|oauth2*[.]html|.*[.]png|.*[.]css|.*[.]ico|" |
| + "/css/.*|/images/.*|/lib/.*|/fonts/.*" |
| ); |
| |
| private final SwaggerUiResourceLocator locator; |
| |
| SwaggerUiResourceFilter(SwaggerUiResourceLocator locator) { |
| this.locator = locator; |
| } |
| |
| @Override |
| public void filter(ContainerRequestContext rc) throws IOException { |
| if (HttpMethod.GET.equals(rc.getRequest().getMethod())) { |
| UriInfo ui = rc.getUriInfo(); |
| String path = "/" + ui.getPath(); |
| if (PATTERN.matcher(path).matches() && locator.exists(path)) { |
| rc.setRequestUri(URI.create("api-docs" + path)); |
| } |
| } |
| } |
| } |