| /** |
| * 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.impl; |
| |
| import org.apache.hadoop.gateway.config.GatewayConfig; |
| import org.apache.hadoop.gateway.filter.rewrite.api.UrlRewriteEnvironment; |
| import org.apache.hadoop.gateway.filter.rewrite.api.UrlRewriteRuleDescriptor; |
| import org.apache.hadoop.gateway.filter.rewrite.ext.ScopedMatcher; |
| |
| import java.util.List; |
| |
| public class UrlRewriteRuleProcessorHolder extends UrlRewriteStepProcessorHolder { |
| |
| private String ruleName; |
| |
| private String scope; |
| |
| public void initialize( UrlRewriteEnvironment environment, UrlRewriteRuleDescriptor descriptor ) throws Exception { |
| super.initialize( environment, descriptor ); |
| ruleName = descriptor.name(); |
| //if a scope is set in the rewrite file, use that |
| if (descriptor.scope() != null) { |
| scope = descriptor.scope(); |
| } else { |
| //by convention the name of the rules start with ROLENAME/servicename/direction |
| //use the first part of the name to determine the scope, therefore setting the scope of a rule to |
| //be local to that service |
| int slashIndex = ruleName.indexOf('/'); |
| if (slashIndex > 0) { |
| scope = ruleName.substring( 0, slashIndex ); |
| } |
| //check config to see if the is an override configuration for a given service to have all its rules set to global |
| GatewayConfig gatewayConfig = environment.getAttribute(GatewayConfig.GATEWAY_CONFIG_ATTRIBUTE); |
| if (gatewayConfig != null) { |
| List<String> globalRulesServices = gatewayConfig.getGlobalRulesServices(); |
| if ( globalRulesServices.contains(scope) ) { |
| scope = ScopedMatcher.GLOBAL_SCOPE; |
| } |
| } |
| } |
| } |
| |
| public String getRuleName() { |
| return ruleName; |
| } |
| |
| public String getScope() { |
| return scope; |
| } |
| } |