| /** |
| * 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.hadoop.gateway.filter.rewrite.api; |
| |
| import javax.servlet.ServletContext; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public class UrlRewriteServletEnvironment implements UrlRewriteEnvironment { |
| |
| private ServletContext context; |
| |
| public UrlRewriteServletEnvironment( ServletContext context ) { |
| this.context = context; |
| } |
| |
| @Override |
| public URL getResource( String name ) throws MalformedURLException { |
| URL url = context.getResource( name ); |
| return url; |
| } |
| |
| @Override |
| public <T> T getAttribute( String name ) { |
| T attribute = (T)context.getAttribute( name ); |
| return attribute; |
| } |
| |
| @Override |
| public List<String> resolve( String name ) { |
| List<String> values = null; |
| String value = context.getInitParameter( name ); |
| if( value != null ) { |
| values = Arrays.asList( value ); |
| } |
| return values; |
| } |
| |
| } |