101 lines
3.1 KiB
Groovy
101 lines
3.1 KiB
Groovy
/*
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* Copyright (C) 2020 The Dagger Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.util.jar.Manifest;
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import com.github.jengelman.gradle.plugins.shadow.transformers.Transformer
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import com.github.jengelman.gradle.plugins.shadow.transformers.TransformerContext
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import shadow.org.apache.tools.zip.ZipOutputStream
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import shadow.org.apache.tools.zip.ZipEntry
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plugins {
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id 'java-library'
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// Use shadow version >= 7.1.1 to get log4j vulnerability patches:
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// https://github.com/johnrengelman/shadow/releases/tag/7.1.1
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id 'com.github.johnrengelman.shadow' version '7.1.1'
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}
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repositories {
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mavenCentral()
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mavenLocal()
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}
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java {
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sourceCompatibility = JavaVersion.VERSION_1_8
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}
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// This transformation makes sure the input jar's MANIFEST.MF properties,
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// such as "Created-by:" get merged into the final artifact jar (although it's
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// not clear how necessary this is).
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/** A transform that merges in the MANIFEST.MF files from the inputJar. */
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class ManifestMerger implements Transformer {
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private static final String MANIFEST_MF = "META-INF/MANIFEST.MF";
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private Manifest manifest;
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@Override
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boolean canTransformResource(FileTreeElement element) {
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return MANIFEST_MF.equalsIgnoreCase(element.relativePath.pathString);
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}
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@Override
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void transform(TransformerContext context) {
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if (manifest == null) {
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manifest = new Manifest(context.is);
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} else {
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Manifest toMerge = new Manifest(context.is);
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manifest.getMainAttributes()
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.putAll(toMerge.getMainAttributes().entrySet());
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manifest.getEntries().putAll(toMerge.getEntries().entrySet());
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}
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}
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@Override
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boolean hasTransformedResource() { true }
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@Override
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void modifyOutputStream(
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ZipOutputStream os, boolean preserveFileTimestamps) {
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os.putNextEntry(new ZipEntry(MANIFEST_MF));
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if (manifest != null) {
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ByteArrayOutputStream content = new ByteArrayOutputStream();
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manifest.write(content);
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os.write(content.toByteArray());
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}
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}
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}
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configurations {
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shaded
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}
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shadowJar {
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archiveClassifier = "" // postfix for output jar
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configurations = [project.configurations.shaded]
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transform(ManifestMerger.class)
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// Add a 'relocate' declaration for each shaded rule.
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// Format: "key1,value1;key2,value2;key3,value3"
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def rules = project.getProperty("shadedRules").split(";")
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for (def i = 0; i < rules.size(); i++) {
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def rule = rules[i].split(",")
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relocate "${rule[0]}", "${rule[1]}"
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}
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}
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dependencies {
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shaded files(project.getProperty("inputJar"))
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}
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