| /** |
| * 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.PrintWriter; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| 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 static org.apache.camel.util.ObjectHelper.isEmpty; |
| import static org.apache.camel.util.StringHelper.xmlEncode; |
| |
| /** |
| * @version |
| */ |
| public class XmlGraphGenerator extends GraphGeneratorSupport { |
| private boolean addUrl = true; |
| |
| public XmlGraphGenerator(String dir) { |
| super(dir, ".xml"); |
| } |
| |
| protected void generateFile(PrintWriter writer, Map<String, List<RouteDefinition>> map) { |
| writer.println("<?xml version='1.0' encoding='UTF-8'?>"); |
| writer.println("<Graph>"); |
| writer.println(); |
| |
| if (map.size() > 0) { |
| writer.println("<Node id='root' name='Camel Routes' description='Collection of Camel Routes' nodeType='root'/>"); |
| } |
| printRoutes(writer, map); |
| |
| writer.println(); |
| writer.println("</Graph>"); |
| } |
| |
| protected void printRoutes(PrintWriter writer, Map<String, List<RouteDefinition>> map) { |
| Set<Map.Entry<String, List<RouteDefinition>>> entries = map.entrySet(); |
| for (Map.Entry<String, List<RouteDefinition>> entry : entries) { |
| String group = entry.getKey(); |
| printRoutes(writer, group, entry.getValue()); |
| } |
| } |
| |
| protected void printRoutes(PrintWriter writer, String group, List<RouteDefinition> routes) { |
| group = xmlEncode(group); |
| if (group != null) { |
| int idx = group.lastIndexOf('.'); |
| String name = group; |
| if (idx > 0 && idx < group.length() - 1) { |
| name = group.substring(idx + 1); |
| } |
| writer.println("<Node id='" + group + "' name='" + name + "' description='" + group + "' nodeType='group'/>"); |
| writer.println("<Edge fromID='root' toID='" + group + "'/>"); |
| } |
| for (RouteDefinition route : routes) { |
| List<FromDefinition> inputs = route.getInputs(); |
| boolean first = true; |
| for (FromDefinition input : inputs) { |
| NodeData nodeData = getNodeData(input); |
| if (first) { |
| first = false; |
| if (group != null) { |
| writer.println("<Edge fromID='" + group + "' toID='" + xmlEncode(nodeData.id) + "'/>"); |
| } |
| } |
| printRoute(writer, route, nodeData); |
| } |
| writer.println(); |
| } |
| } |
| |
| protected void printRoute(PrintWriter writer, final RouteDefinition route, NodeData nodeData) { |
| printNode(writer, nodeData); |
| |
| NodeData from = nodeData; |
| for (ProcessorDefinition<?> output : route.getOutputs()) { |
| NodeData newData = printNode(writer, from, output); |
| from = newData; |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| protected NodeData printNode(PrintWriter writer, NodeData fromData, ProcessorDefinition node) { |
| if (node instanceof MulticastDefinition) { |
| // no need for a multicast node |
| List<ProcessorDefinition> outputs = node.getOutputs(); |
| for (ProcessorDefinition output : outputs) { |
| printNode(writer, fromData, output); |
| } |
| return fromData; |
| } |
| NodeData toData = getNodeData(node); |
| |
| printNode(writer, toData); |
| |
| if (fromData != null) { |
| writer.print("<Edge fromID=\""); |
| writer.print(xmlEncode(fromData.id)); |
| writer.print("\" toID=\""); |
| writer.print(xmlEncode(toData.id)); |
| String association = toData.edgeLabel; |
| if (isEmpty(association)) { |
| writer.print("\" association=\""); |
| writer.print(xmlEncode(association)); |
| } |
| writer.println("\"/>"); |
| } |
| |
| // now lets write any children |
| List<ProcessorDefinition> outputs = toData.outputs; |
| if (outputs != null) { |
| for (ProcessorDefinition output : outputs) { |
| NodeData newData = printNode(writer, toData, output); |
| if (!isMulticastNode(node)) { |
| toData = newData; |
| } |
| } |
| } |
| return toData; |
| } |
| |
| protected void printNode(PrintWriter writer, NodeData data) { |
| if (!data.nodeWritten) { |
| data.nodeWritten = true; |
| |
| writer.println(); |
| writer.print("<Node id=\""); |
| writer.print(xmlEncode(data.id)); |
| writer.print("\" name=\""); |
| String name = data.label; |
| if (isEmpty(name)) { |
| name = data.tooltop; |
| } |
| writer.print(xmlEncode(name)); |
| writer.print("\" nodeType=\""); |
| String nodeType = data.image; |
| if (isEmpty(nodeType)) { |
| nodeType = data.shape; |
| if (isEmpty(nodeType)) { |
| nodeType = "node"; |
| } |
| } |
| writer.print(xmlEncode(nodeType)); |
| writer.print("\" description=\""); |
| writer.print(xmlEncode(data.tooltop)); |
| if (addUrl) { |
| writer.print("\" url=\""); |
| writer.print(xmlEncode(data.url)); |
| } |
| writer.println("\"/>"); |
| } |
| } |
| |
| } |