| /* |
| * 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.codeAnalysis; |
| |
| import java.io.IOException; |
| import java.io.LineNumberReader; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.geode.codeAnalysis.decode.CompiledCode; |
| import org.apache.geode.codeAnalysis.decode.CompiledMethod; |
| |
| /** |
| * A class used to store the names of data-serializable classes and the sizes of their |
| * toData/fromData methods. |
| */ |
| public class ClassAndMethodDetails implements Comparable { |
| static String[] hexChars; |
| String className; |
| Map<String, Integer> methods = new HashMap<>(); |
| |
| static { |
| String[] digits = new String[] {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", |
| "d", "e", "f"}; |
| |
| hexChars = new String[256]; |
| for (int i = 0; i < 256; i++) { |
| hexChars[i] = digits[(i >> 4) & 0xf] + digits[i & 0xf]; |
| } |
| } |
| |
| private ClassAndMethodDetails() { |
| // Do nothing. |
| } |
| |
| public static ClassAndMethodDetails create(LineNumberReader in) throws IOException { |
| String line; |
| while ((line = in.readLine()) != null) { |
| line = line.trim(); |
| if (line.length() == 0 || line.startsWith("#") || line.startsWith("//")) { |
| continue; |
| } |
| break; |
| } |
| if (line == null) { |
| return null; |
| } |
| ClassAndMethodDetails instance = new ClassAndMethodDetails(); |
| String[] fields = line.split(","); |
| try { |
| instance.className = fields[0]; |
| int numMethods = Integer.parseInt(fields[1]); |
| for (int i = 0; i < numMethods; i++) { |
| line = in.readLine(); |
| fields = line.split(","); |
| String methodName = fields[0]; |
| int codeLength = Integer.parseInt(fields[1]); |
| if (fields.length != 2) { |
| System.err.println("Method detail has been tampered with on line " + in.getLineNumber()); |
| continue; |
| } |
| instance.methods.put(methodName, codeLength); |
| } |
| return instance; |
| } catch (Exception e) { |
| throw new IOException("Error parsing line " + in.getLineNumber(), e); |
| } |
| } |
| |
| /** |
| * convert a ClassAndMethods into a string that can then be used to instantiate a |
| * ClassAndMethodDetails |
| */ |
| public static String convertForStoring(ClassAndMethods cam) { |
| StringBuilder sb = new StringBuilder(150); |
| sb.append(cam.dclass.fullyQualifiedName()); |
| List<CompiledMethod> methods = new ArrayList<CompiledMethod>(cam.methods.values()); |
| Collections.sort(methods); |
| sb.append(',').append(methods.size()).append("\n"); |
| for (CompiledMethod method : methods) { |
| CompiledCode c = method.getCode(); |
| if (c != null) { |
| sb.append(method.name()).append(',').append(c.code.length).append("\n"); |
| } |
| } |
| return sb.toString(); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(80); |
| sb.append(className).append(',').append(methods.size()).append("\n"); |
| for (Map.Entry<String, Integer> entry : methods.entrySet()) { |
| sb.append(entry.getKey()).append(','); |
| sb.append(entry.getValue()); |
| sb.append("\n"); |
| } |
| return sb.toString(); |
| } |
| |
| @Override |
| public int compareTo(Object other) { |
| return this.className.compareTo(((ClassAndMethodDetails) other).className); |
| } |
| } |