| /* |
| * Copyright 2014-present Facebook, Inc. |
| * |
| * 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.facebook.buck.java.abi; |
| |
| import com.google.common.base.Preconditions; |
| |
| import java.io.BufferedInputStream; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarInputStream; |
| |
| class ZipWalker implements Walker { |
| private final Path zipFile; |
| |
| public ZipWalker(Path path) { |
| this.zipFile = Preconditions.checkNotNull(path); |
| } |
| |
| @Override |
| public void walk(FileAction onFile) throws IOException { |
| try ( |
| FileInputStream fis = new FileInputStream(zipFile.toFile()); |
| BufferedInputStream bis = new BufferedInputStream(fis); |
| JarInputStream jis = new JarInputStream(bis)) { |
| for (JarEntry entry = jis.getNextJarEntry(); entry != null; entry = jis.getNextJarEntry()) { |
| if (entry.isDirectory()) { |
| continue; |
| } |
| |
| onFile.visit(Paths.get(entry.getName()), jis); |
| } |
| } |
| } |
| } |
| |