Java tutorial
/* * Copyright (c) 2015 Raytheon BBN Technologies Corp * * Licensed 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 com.bbn.poi.xdgf.parsers; import java.io.IOException; import com.google.common.collect.Iterators; import com.tinkerpop.blueprints.Graph; import com.tinkerpop.blueprints.util.io.graphml.GraphMLWriter; public class Util { public static void saveToGraphml(Graph graph, String filename) { GraphMLWriter writer = new GraphMLWriter(graph); writer.setNormalize(true); writer.setEdgeLabelKey("label"); System.out.println("** Writing graph to " + filename); System.out.println("** -> " + Iterators.size(graph.getVertices().iterator()) + " Nodes" + Iterators.size(graph.getEdges().iterator()) + " Edges"); try { writer.outputGraph(filename); } catch (IOException e) { System.err.println("Error writing to " + filename + ": " + e.getMessage()); } } }