1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.catalina.webresources;
18
19 import java.io.IOException;
20 import java.io.InputStream;
21 import java.util.jar.JarEntry;
22 import java.util.jar.JarInputStream;
23 import java.util.zip.ZipEntry;
24
25 /**
26 * The purpose of this sub-class is to obtain references to the JarEntry objects
27 * for META-INF/ and META-INF/MANIFEST.MF that are otherwise swallowed by the
28 * JarInputStream implementation.
29 */
30 public class TomcatJarInputStream extends JarInputStream {
31
32 private JarEntry metaInfEntry;
33 private JarEntry manifestEntry;
34
35
36 TomcatJarInputStream(InputStream in) throws IOException {
37 super(in);
38 }
39
40
41 @Override
42 protected ZipEntry createZipEntry(String name) {
43 ZipEntry ze = super.createZipEntry(name);
44 if (metaInfEntry == null && "META-INF/".equals(name)) {
45 metaInfEntry = (JarEntry) ze;
46 } else if (manifestEntry == null && "META-INF/MANIFESR.MF".equals(name)) {
47 manifestEntry = (JarEntry) ze;
48 }
49 return ze;
50 }
51
52
53 JarEntry getMetaInfEntry() {
54 return metaInfEntry;
55 }
56
57
58 JarEntry getManifestEntry() {
59 return manifestEntry;
60 }
61 }
62