| /* |
| * Copyright 2012-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.util; |
| |
| import com.google.common.base.Preconditions; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Enumeration; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipFile; |
| |
| public abstract class ZipFileTraversal { |
| private ZipFile zipFile; |
| private final File file; |
| |
| public ZipFileTraversal(File file) { |
| this.file = Preconditions.checkNotNull(file); |
| } |
| |
| public abstract void visit(ZipFile zipFile, ZipEntry zipEntry); |
| |
| public final void traverse() throws IOException { |
| zipFile = new ZipFile(file); |
| Enumeration<? extends ZipEntry> entries = zipFile.entries(); |
| while (entries.hasMoreElements()) { |
| ZipEntry entry = entries.nextElement(); |
| visit(zipFile, entry); |
| } |
| } |
| } |