1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.maven.shared.dependency.analyzer; 20 21 import java.io.InputStream; 22 import java.util.HashSet; 23 import java.util.Set; 24 25 /** 26 * Simply collects the set of visited classes. 27 * 28 * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a> 29 * @see #getClasses() 30 */ 31 public class CollectorClassFileVisitor implements ClassFileVisitor { 32 private final Set<String> classes; 33 34 /** 35 * <p>Constructor for CollectorClassFileVisitor.</p> 36 */ 37 public CollectorClassFileVisitor() { 38 classes = new HashSet<>(); 39 } 40 41 /** {@inheritDoc} */ 42 public void visitClass(String className, InputStream in) { 43 // inner classes have equivalent compilation requirement as container class 44 if (className.indexOf('$') < 0) { 45 classes.add(className); 46 } 47 } 48 49 /** 50 * <p>Getter for the field <code>classes</code>.</p> 51 * 52 * @return a {@link java.util.Set} object. 53 */ 54 public Set<String> getClasses() { 55 return classes; 56 } 57 }