| /* |
| * 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.knox.gateway.filter.rewrite.ext; |
| |
| import org.apache.knox.gateway.filter.rewrite.api.UrlRewriteEnvironment; |
| import org.apache.knox.gateway.filter.rewrite.spi.UrlRewriteContext; |
| import org.apache.knox.gateway.filter.rewrite.spi.UrlRewriteStepProcessor; |
| import org.apache.knox.gateway.filter.rewrite.spi.UrlRewriteStepStatus; |
| import org.apache.knox.gateway.util.urltemplate.Expander; |
| import org.apache.knox.gateway.util.urltemplate.Parser; |
| import org.apache.knox.gateway.util.urltemplate.Template; |
| |
| public class UrlRewriteActionRewriteProcessorExt |
| implements UrlRewriteStepProcessor<UrlRewriteActionRewriteDescriptorExt> { |
| |
| private Template template; |
| |
| @Override |
| public String getType() { |
| return "rewrite"; |
| } |
| |
| @Override |
| public void initialize( UrlRewriteEnvironment environment, UrlRewriteActionRewriteDescriptorExt descriptor ) throws Exception { |
| if ( descriptor.parameter() != null ) { |
| this.template = Parser.parseTemplate( descriptor.parameter() ); |
| } else { |
| this.template = Parser.parseTemplate( "" ); |
| } |
| } |
| |
| @Override |
| public UrlRewriteStepStatus process( UrlRewriteContext context ) throws Exception { |
| Template rewritten = Expander.expandToTemplate( template, context.getParameters(), context.getEvaluator() ); |
| context.setCurrentUrl( rewritten ); |
| return UrlRewriteStepStatus.SUCCESS; |
| } |
| |
| @Override |
| public void destroy() { |
| } |
| |
| } |