| /* |
| * 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.geode.internal.sequencelog.io; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.util.regex.Pattern; |
| |
| import org.apache.geode.internal.HeapDataOutputStream; |
| import org.apache.geode.internal.sequencelog.GraphType; |
| import org.apache.geode.internal.sequencelog.model.GraphSet; |
| import org.apache.geode.internal.serialization.Version; |
| |
| public class GraphReader { |
| |
| private File[] files; |
| |
| public GraphReader(File file) { |
| this(new File[] {file}); |
| } |
| |
| public GraphReader(File[] files) { |
| this.files = files; |
| } |
| |
| public GraphSet readGraphs() throws IOException { |
| return readGraphs(false); |
| } |
| |
| public GraphSet readGraphs(boolean areGemfireLogs) throws IOException { |
| return readGraphs(new Filter() { |
| @Override |
| public boolean accept(GraphType graphType, String name, String edgeName, String source, |
| String dest) { |
| return true; |
| } |
| |
| @Override |
| public boolean acceptPattern(GraphType graphType, Pattern pattern, String edgeName, |
| String source, String dest) { |
| return true; |
| } |
| }, areGemfireLogs); |
| } |
| |
| public GraphSet readGraphs(Filter filter) throws IOException { |
| return readGraphs(filter, false); |
| } |
| |
| public GraphSet readGraphs(Filter filter, boolean areGemfireLogs) throws IOException { |
| GraphSet graphs = new GraphSet(); |
| |
| if (areGemfireLogs) { |
| // TODO - probably don't need to go all the way |
| // to a binary format here, but this is quick and easy. |
| HeapDataOutputStream out = new HeapDataOutputStream(Version.CURRENT); |
| GemfireLogConverter.convertFiles(out, files); |
| InputStreamReader reader = new InputStreamReader(out.getInputStream()); |
| reader.addToGraphs(graphs, filter); |
| } else { |
| for (File file : files) { |
| FileInputStream fis = new FileInputStream(file); |
| InputStreamReader reader = new InputStreamReader(fis); |
| reader.addToGraphs(graphs, filter); |
| } |
| } |
| graphs.readingDone(); |
| return graphs; |
| } |
| } |