com.wangjie.plg.discardfile.DiscardFilePlugin.groovy Maven / Gradle / Ivy

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An android gradle plugin for discard class or method in compile time.

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package com.wangjie.plg.discardfile

import com.android.build.gradle.*
import com.wangjie.plg.discardfile.api.annotation.Discard
import com.wangjie.plg.discardfile.api.constant.DiscardConstant
import javassist.ClassClassPath
import javassist.ClassPath
import javassist.ClassPool
import org.gradle.api.Plugin
import org.gradle.api.Project

//import com.android.build.gradle.AppPlugin
//import com.android.build.gradle.LibraryPlugin
public class DiscardFilePlugin implements Plugin {

    @Override
    void apply(Project project) {
//        System.out.println("========================");
//        System.out.println("Discard file plugin!");
//        System.out.println("========================");

//        def hasApp = project.plugins.withType(AppPlugin)
//        def hasLib = project.plugins.withType(LibraryPlugin)
//        if (!hasApp && !hasLib) {
//            throw new IllegalStateException("'android' or 'android-library' plugin required.")
//        }

//        final def variants
//        if (hasApp) {
//            variants = project.android.applicationVariants
//        } else {
//            variants = project.android.libraryVariants
//        }

        ClassPool classPool = new ClassPool(null);
        classPool.appendSystemPath();
        boolean isLibrary = project.plugins.hasPlugin(LibraryPlugin);

        project.extensions.create(DiscardConstant.EXTENSION_NAME, DiscardFileExtension);

        DiscardFileTransform discardFileTransform = new DiscardFileTransform(project, classPool, isLibrary);

        // hotfix: cannot find Discard file...
        classPool.insertClassPath(new ClassClassPath(Discard.class))

        if (isLibrary) {
            project.extensions.getByType(LibraryExtension).registerTransform(discardFileTransform)
        } else if (project.plugins.hasPlugin(TestPlugin)) {
            project.extensions.getByType(TestExtension).registerTransform(discardFileTransform)
        } else {
            project.extensions.getByType(AppExtension).registerTransform(discardFileTransform)
        }
        project.afterEvaluate {

            def bootClasspath = project.android.bootClasspath.join(File.pathSeparator)
            println("[DiscardFilePlugin] -> bootClasspath: " + bootClasspath + ", this: " + this)
            classPool.appendClassPath(bootClasspath)
//            variants.all { variant ->
            /*
             * variant.name: panelRelease
             * variant.baseName: panel-release
             * variant.dirName: panel/release
             */

//            }
        }

    }
}