| /* |
| * 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.tika.detect.zip; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.apache.commons.compress.archivers.zip.ZipArchiveEntry; |
| import org.apache.commons.compress.archivers.zip.ZipFile; |
| |
| import org.apache.tika.io.TikaInputStream; |
| import org.apache.tika.mime.MediaType; |
| |
| public class JarDetector implements ZipContainerDetector { |
| |
| private static SeenManifest SEEN_MANIFEST = new SeenManifest(); |
| |
| @Override |
| public MediaType detect(ZipFile zip, TikaInputStream tis) throws IOException { |
| if (zip.getEntry("META-INF/MANIFEST.MF") != null) { |
| // It's a Jar file, or something based on Jar |
| |
| // Is it an Android APK? |
| if (zip.getEntry("AndroidManifest.xml") != null) { |
| return MediaType.application("vnd.android.package-archive"); |
| } |
| |
| // Check for WAR and EAR |
| if (zip.getEntry("WEB-INF/") != null) { |
| return MediaType.application("x-tika-java-web-archive"); |
| } |
| if (zip.getEntry("META-INF/application.xml") != null) { |
| return MediaType.application("x-tika-java-enterprise-archive"); |
| } |
| |
| // Looks like a regular Jar Archive |
| return MediaType.application("java-archive"); |
| } else { |
| // Some Android APKs miss the default Manifest |
| if (zip.getEntry("AndroidManifest.xml") != null) { |
| return MediaType.application("vnd.android.package-archive"); |
| } |
| |
| return null; |
| } |
| } |
| |
| @Override |
| public MediaType streamingDetectUpdate(ZipArchiveEntry zae, InputStream zis, |
| StreamingDetectContext detectContext) { |
| |
| String name = zae.getName(); |
| if (name.equals("AndroidManifest.xml")) { |
| return MediaType.application("vnd.android.package-archive"); |
| } else if (name.equals("META-INF/MANIFEST.MF")) { |
| // It's a Jar file, or something based on Jar |
| detectContext.set(SeenManifest.class, SEEN_MANIFEST); |
| } |
| SeenManifest seenManifest = detectContext.get(SeenManifest.class); |
| |
| if (seenManifest != null) { |
| if (name.equals("AndroidManifest.xml")) { |
| // Is it an Android APK? |
| return MediaType.application("vnd.android.package-archive"); |
| } else if (name.equals("WEB-INF/")) { |
| // Check for WAR and EAR |
| return MediaType.application("x-tika-java-web-archive"); |
| } |
| if (name.equals("META-INF/application.xml")) { |
| return MediaType.application("x-tika-java-enterprise-archive"); |
| } |
| } |
| return null; |
| |
| } |
| |
| @Override |
| public MediaType streamingDetectFinal(StreamingDetectContext detectContext) { |
| if (detectContext.get(SeenManifest.class) != null) { |
| // Looks like a regular Jar Archive |
| return MediaType.application("java-archive"); |
| |
| } |
| return null; |
| } |
| |
| private static class SeenManifest { |
| } |
| } |