| /** |
| * 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.view; |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.model.ChoiceDefinition; |
| import org.apache.camel.model.FromDefinition; |
| import org.apache.camel.model.MulticastDefinition; |
| import org.apache.camel.model.ProcessorDefinition; |
| import org.apache.camel.model.RouteDefinition; |
| import org.apache.camel.model.ToDefinition; |
| import org.apache.camel.model.language.ExpressionDefinition; |
| import org.apache.camel.util.CollectionStringBuffer; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * @version |
| */ |
| public abstract class GraphGeneratorSupport extends GraphSupport { |
| protected String dir; |
| protected int clusterCounter; |
| protected String extension; |
| |
| private final boolean makeParentDirs = true; |
| private Map<String, List<RouteDefinition>> routeGroupMap; |
| |
| protected GraphGeneratorSupport(String dir, String extension) { |
| this.dir = dir; |
| this.extension = extension; |
| } |
| |
| public String getRoutesText(CamelContext context) throws IOException { |
| // used by web console |
| List<RouteDefinition> routes = context.getRouteDefinitions(); |
| routeGroupMap = createRouteGroupMap(routes); |
| return createRouteMapText(); |
| } |
| |
| private String createRouteMapText() { |
| StringWriter buffer = new StringWriter(); |
| PrintWriter writer = new PrintWriter(buffer); |
| generateFile(writer, routeGroupMap); |
| writer.close(); |
| return buffer.toString(); |
| } |
| |
| public void drawRoutes(CamelContext context) throws IOException { |
| File parent = new File(dir); |
| if (makeParentDirs) { |
| parent.mkdirs(); |
| } |
| List<RouteDefinition> routes = context.getRouteDefinitions(); |
| routeGroupMap = createRouteGroupMap(routes); |
| |
| // generate the global file |
| generateFile(parent, "routes" + extension, routeGroupMap); |
| |
| if (routeGroupMap.size() >= 1) { |
| Set<Map.Entry<String, List<RouteDefinition>>> entries = routeGroupMap.entrySet(); |
| for (Map.Entry<String, List<RouteDefinition>> entry : entries) { |
| |
| Map<String, List<RouteDefinition>> map = new HashMap<String, List<RouteDefinition>>(); |
| String group = entry.getKey(); |
| map.put(group, entry.getValue()); |
| |
| // generate the file containing just the routes in this group |
| generateFile(parent, group + extension, map); |
| } |
| } |
| } |
| |
| private void generateFile(File parent, String fileName, Map<String, List<RouteDefinition>> map) throws IOException { |
| nodeMap.clear(); |
| clusterCounter = 0; |
| |
| PrintWriter writer = new PrintWriter(new FileWriter(new File(parent, fileName))); |
| try { |
| generateFile(writer, map); |
| } finally { |
| writer.close(); |
| } |
| } |
| |
| protected abstract void generateFile(PrintWriter writer, Map<String, List<RouteDefinition>> map); |
| |
| } |