| /* |
| * 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.maven.plugins.shade.resource; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStreamWriter; |
| import java.io.Writer; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.LinkedHashMap; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.TreeSet; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarOutputStream; |
| |
| import org.apache.maven.plugins.shade.relocation.Relocator; |
| |
| /** |
| * Merges <code>META-INF/NOTICE.TXT</code> files. |
| */ |
| public class ApacheNoticeResourceTransformer extends AbstractCompatibilityTransformer { |
| Set<String> entries = new LinkedHashSet<>(); |
| |
| Map<String, Set<String>> organizationEntries = new LinkedHashMap<>(); |
| |
| String projectName = ""; // MSHADE-101 :: NullPointerException when projectName is missing |
| |
| boolean addHeader = true; |
| |
| String preamble1 = "// ------------------------------------------------------------------\n" |
| + "// NOTICE file corresponding to the section 4d of The Apache License,\n" |
| + "// Version 2.0, in this case for "; |
| |
| String preamble2 = "\n// ------------------------------------------------------------------\n"; |
| |
| String preamble3 = "This product includes software developed at\n"; |
| |
| // defaults overridable via config in pom |
| String organizationName = "The Apache Software Foundation"; |
| |
| String organizationURL = "http://www.apache.org/"; |
| |
| String inceptionYear = "2006"; |
| |
| String copyright; |
| |
| /** |
| * The file encoding of the <code>NOTICE</code> file. |
| */ |
| String encoding; |
| |
| private long time = Long.MIN_VALUE; |
| |
| private static final String NOTICE_PATH = "META-INF/NOTICE"; |
| |
| private static final String NOTICE_TXT_PATH = "META-INF/NOTICE.txt"; |
| |
| private static final String NOTICE_MD_PATH = "META-INF/NOTICE.md"; |
| |
| public boolean canTransformResource(String resource) { |
| return NOTICE_PATH.equalsIgnoreCase(resource) |
| || NOTICE_TXT_PATH.equalsIgnoreCase(resource) |
| || NOTICE_MD_PATH.equalsIgnoreCase(resource); |
| } |
| |
| public void processResource(String resource, InputStream is, List<Relocator> relocators, long time) |
| throws IOException { |
| if (entries.isEmpty()) { |
| String year = new SimpleDateFormat("yyyy").format(new Date()); |
| if (!inceptionYear.equals(year)) { |
| year = inceptionYear + "-" + year; |
| } |
| |
| // add headers |
| if (addHeader) { |
| entries.add(preamble1 + projectName + preamble2); |
| } else { |
| entries.add(""); |
| } |
| // fake second entry, we'll look for a real one later |
| entries.add(projectName + "\nCopyright " + year + " " + organizationName + "\n"); |
| entries.add(preamble3 + organizationName + " (" + organizationURL + ").\n"); |
| } |
| |
| BufferedReader reader; |
| if (encoding != null && !encoding.isEmpty()) { |
| reader = new BufferedReader(new InputStreamReader(is, encoding)); |
| } else { |
| reader = new BufferedReader(new InputStreamReader(is)); |
| } |
| |
| String line = reader.readLine(); |
| StringBuilder sb = new StringBuilder(); |
| Set<String> currentOrg = null; |
| int lineCount = 0; |
| while (line != null) { |
| String trimedLine = line.trim(); |
| |
| if (!trimedLine.startsWith("//")) { |
| if (trimedLine.length() > 0) { |
| if (trimedLine.startsWith("- ")) { |
| // resource-bundle 1.3 mode |
| if (lineCount == 1 |
| && sb.toString().contains("This product includes/uses software(s) developed by")) { |
| currentOrg = organizationEntries.get(sb.toString().trim()); |
| if (currentOrg == null) { |
| currentOrg = new TreeSet<>(); |
| organizationEntries.put(sb.toString().trim(), currentOrg); |
| } |
| sb = new StringBuilder(); |
| } else if (sb.length() > 0 && currentOrg != null) { |
| currentOrg.add(sb.toString()); |
| sb = new StringBuilder(); |
| } |
| } |
| sb.append(line).append("\n"); |
| lineCount++; |
| } else { |
| String ent = sb.toString(); |
| if (ent.startsWith(projectName) && ent.contains("Copyright ")) { |
| copyright = ent; |
| } |
| if (currentOrg == null) { |
| entries.add(ent); |
| } else { |
| currentOrg.add(ent); |
| } |
| sb = new StringBuilder(); |
| lineCount = 0; |
| currentOrg = null; |
| } |
| } |
| |
| line = reader.readLine(); |
| } |
| if (sb.length() > 0) { |
| if (currentOrg == null) { |
| entries.add(sb.toString()); |
| } else { |
| currentOrg.add(sb.toString()); |
| } |
| } |
| if (time > this.time) { |
| this.time = time; |
| } |
| } |
| |
| public boolean hasTransformedResource() { |
| return true; |
| } |
| |
| public void modifyOutputStream(JarOutputStream jos) throws IOException { |
| JarEntry jarEntry = new JarEntry(NOTICE_PATH); |
| jarEntry.setTime(time); |
| jos.putNextEntry(jarEntry); |
| |
| Writer writer; |
| if (encoding != null && !encoding.isEmpty()) { |
| writer = new OutputStreamWriter(jos, encoding); |
| } else { |
| writer = new OutputStreamWriter(jos); |
| } |
| |
| int count = 0; |
| for (String line : entries) { |
| ++count; |
| if (line.equals(copyright) && count != 2) { |
| continue; |
| } |
| |
| if (count == 2 && copyright != null) { |
| writer.write(copyright); |
| writer.write('\n'); |
| } else { |
| writer.write(line); |
| writer.write('\n'); |
| } |
| if (count == 3) { |
| // do org stuff |
| for (Map.Entry<String, Set<String>> entry : organizationEntries.entrySet()) { |
| writer.write(entry.getKey()); |
| writer.write('\n'); |
| for (String l : entry.getValue()) { |
| writer.write(l); |
| } |
| writer.write('\n'); |
| } |
| } |
| } |
| |
| writer.flush(); |
| |
| entries.clear(); |
| } |
| } |