1 package org.apache.maven.shared.jar.identification.hash;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.apache.maven.shared.jar.JarAnalyzer;
23
24 /**
25 * Classes that can calculate various hash signatures for a JAR file to later uniquely identify them.
26 */
27 public interface JarHashAnalyzer
28 {
29 /**
30 * Compute the hash for the JAR. The hashcode will then be cached in the JAR data class for later use.
31 *
32 * @param jarAnalyzer the JAR analyzer to use to obtain the entries to hash
33 * @return the hash, or null if not able to be computed due to an exception.
34 */
35 String computeHash( JarAnalyzer jarAnalyzer );
36 }