cn.hx.plugin.junkcode.utils.JunkUtil.groovy Maven / Gradle / Ivy
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generate junk code for android
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package cn.hx.plugin.junkcode.utils
import cn.hx.plugin.junkcode.ext.JunkCodeConfig
import cn.hx.plugin.junkcode.template.ResTemplate
import com.squareup.javapoet.ClassName
import com.squareup.javapoet.JavaFile
import com.squareup.javapoet.MethodSpec
import com.squareup.javapoet.TypeSpec
import org.gradle.api.Project
import javax.lang.model.element.Modifier
import java.nio.file.Files
import java.nio.file.Path
class JunkUtil {
static random = new Random()
static abc = "abcdefghijklmnopqrstuvwxyz".toCharArray()
static color = "0123456789abcdef".toCharArray()
/**
* 生成名称
* @param index
* @return
*/
static String generateName(int index) {
def sb = new StringBuilder()
for (i in 0..4) {
sb.append(abc[random.nextInt(abc.size())])
}
int temp = index
while (temp >= 0) {
sb.append(abc[temp % abc.size()])
temp = temp / abc.size()
if (temp == 0) {
temp = -1
}
}
sb.append(index.toString())
return sb.toString()
}
/**
* 生成随机方法
* @param methodBuilder
*/
static void generateMethods(MethodSpec.Builder methodBuilder) {
switch (random.nextInt(5)) {
case 0:
methodBuilder.addStatement("long now = \$T.currentTimeMillis()", System.class)
.beginControlFlow("if (\$T.currentTimeMillis() < now)", System.class)
.addStatement("\$T.out.println(\$S)", System.class, "Time travelling, woo hoo!")
.nextControlFlow("else if (\$T.currentTimeMillis() == now)", System.class)
.addStatement("\$T.out.println(\$S)", System.class, "Time stood still!")
.nextControlFlow("else")
.addStatement("\$T.out.println(\$S)", System.class, "Ok, time still moving forward")
.endControlFlow()
break
case 1:
methodBuilder.addCode("" + "int total = 0;\n" + "for (int i = 0; i < 10; i++) {\n" + " total += i;\n" + "}\n")
break
case 2:
methodBuilder.beginControlFlow("try")
.addStatement("throw new Exception(\$S)", "Failed")
.nextControlFlow("catch (\$T e)", Exception.class)
.addStatement("throw new \$T(e)", RuntimeException.class)
.endControlFlow()
break
case 3:
methodBuilder.returns(Date.class)
.addStatement("return new \$T()", Date.class)
break
case 4:
methodBuilder.addModifiers(Modifier.PUBLIC, Modifier.STATIC)
.returns(void.class)
.addParameter(String[].class, "args")
.addStatement("\$T.out.println(\$S)", System.class, "Hello")
break
default:
methodBuilder.addModifiers(Modifier.PUBLIC, Modifier.STATIC)
.returns(void.class)
.addParameter(String[].class, "args")
.addStatement("\$T.out.println(\$S)", System.class, "Hello")
}
}
/**
* 生成颜色代码
* @return
*/
static String generateColor() {
def sb = new StringBuilder()
sb.append("#")
for (i in 0..5) {
sb.append(color[random.nextInt(color.size())])
}
return sb.toString()
}
/**
* 生成id代码
* @return
*/
static String generateId() {
def sb = new StringBuilder()
for (i in 0..5) {
sb.append(abc[random.nextInt(abc.size())])
}
return sb.toString()
}
/**
* 生成Activity
* @param javaDir
* @param packageName
* @param config
*/
static List generateActivity(File javaDir, File resDir, String namespace, String packageName, JunkCodeConfig config) {
def activityList = new ArrayList()
for (int i = 0; i < config.activityCountPerPackage; i++) {
def className
def layoutName
if (config.activityCreator) {
def activityNameBuilder = new StringBuilder()
def layoutNameBuilder = new StringBuilder()
def layoutContentBuilder = new StringBuilder()
config.activityCreator.execute(new Tuple4(i, activityNameBuilder, layoutNameBuilder, layoutContentBuilder))
className = activityNameBuilder.toString()
layoutName = layoutNameBuilder.toString()
writeStringToFile(new File(resDir, "layout/${layoutName}.xml"), layoutContentBuilder.toString())
} else {
def activityPreName = generateName(i)
className = activityPreName.capitalize() + "Activity"
layoutName = "${config.resPrefix.toLowerCase()}${packageName.replace(".", "_")}_activity_${activityPreName}"
generateLayout(resDir, layoutName, config)
}
if (!config.excludeActivityJavaFile) {
def typeBuilder = TypeSpec.classBuilder(className)
typeBuilder.superclass(ClassName.get("android.app", "Activity"))
typeBuilder.addModifiers(Modifier.PUBLIC)
//onCreate方法
def bundleClassName = ClassName.get("android.os", "Bundle")
typeBuilder.addMethod(MethodSpec.methodBuilder("onCreate")
.addAnnotation(Override.class)
.addModifiers(Modifier.PROTECTED)
.addParameter(bundleClassName, "savedInstanceState")
.addStatement("super.onCreate(savedInstanceState)")
.addStatement("setContentView(\$T.layout.${layoutName})", ClassName.get(namespace, "R"))
.build())
if (config.typeGenerator) {
config.typeGenerator.execute(typeBuilder)
} else {
//其它方法
for (int j = 0; j < config.methodCountPerClass; j++) {
def methodName
if (config.methodNameCreator) {
def methodNameBuilder = new StringBuilder()
config.methodNameCreator.execute(new Tuple2(j, methodNameBuilder))
methodName = methodNameBuilder.toString()
} else {
methodName = generateName(j)
}
def methodBuilder = MethodSpec.methodBuilder(methodName)
if (config.methodGenerator) {
config.methodGenerator.execute(methodBuilder)
} else {
generateMethods(methodBuilder)
}
typeBuilder.addMethod(methodBuilder.build())
}
}
def javaFile = JavaFile.builder(packageName, typeBuilder.build()).build()
writeJavaToFile(javaDir, javaFile)
activityList.add(packageName + "." + className)
}
}
return activityList
}
/**
* 生成java文件
* @param javaDir
* @param packageName
* @param config
*/
static void generateJava(File javaDir, String packageName, JunkCodeConfig config) {
for (int i = 0; i < config.otherCountPerPackage; i++) {
def className
if (config.classNameCreator) {
def classNameBuilder = new StringBuilder()
config.classNameCreator.execute(new Tuple2(i, classNameBuilder))
className = classNameBuilder.toString()
} else {
className = generateName(i).capitalize()
}
def typeBuilder = TypeSpec.classBuilder(className)
if (config.typeGenerator) {
config.typeGenerator.execute(typeBuilder)
} else {
typeBuilder.addModifiers(Modifier.PUBLIC)
for (int j = 0; j < config.methodCountPerClass; j++) {
def methodName
if (config.methodNameCreator) {
def methodNameBuilder = new StringBuilder()
config.methodNameCreator.execute(new Tuple2(j, methodNameBuilder))
methodName = methodNameBuilder.toString()
} else {
methodName = generateName(j)
}
def methodBuilder = MethodSpec.methodBuilder(methodName)
if (config.methodGenerator) {
config.methodGenerator.execute(methodBuilder)
} else {
generateMethods(methodBuilder)
}
typeBuilder.addMethod(methodBuilder.build())
}
}
def javaFile = JavaFile.builder(packageName, typeBuilder.build()).build()
writeJavaToFile(javaDir, javaFile)
}
}
/**
* 生成layout文件
* @param resDir
* @param layoutName
* @param config
*/
static void generateLayout(File resDir, String layoutName, JunkCodeConfig config) {
def layoutFile = new File(resDir, "layout/${layoutName}.xml")
if (config.layoutGenerator) {
def contentBuilder = new StringBuilder()
config.layoutGenerator.execute(contentBuilder)
writeStringToFile(layoutFile, contentBuilder.toString())
} else {
def layoutStr = String.format(ResTemplate.LAYOUT_TEMPLATE, generateId())
writeStringToFile(layoutFile, layoutStr)
}
}
/**
* 生成drawable
* @param resDir
* @param config
*/
static void generateDrawableFiles(File resDir, JunkCodeConfig config) {
if (config.drawableGenerator) {
def contentBuilder = new StringBuilder()
for (int i = 0; i < config.drawableCount; i++) {
def drawableName = "${config.resPrefix.toLowerCase()}${generateName(i)}"
contentBuilder.setLength(0)
config.drawableGenerator.execute(contentBuilder)
writeStringToFile(new File(resDir, "drawable/${drawableName}.xml"), contentBuilder.toString())
}
} else if (config.drawableCreator) {
def fileNameBuilder = new StringBuilder()
def contentBuilder = new StringBuilder()
for (int i = 0; i < config.drawableCount; i++) {
fileNameBuilder.setLength(0)
contentBuilder.setLength(0)
config.drawableCreator.execute(new Tuple3(i, fileNameBuilder, contentBuilder))
def drawableName = fileNameBuilder.toString()
writeStringToFile(new File(resDir, "drawable/${drawableName}.xml"), contentBuilder.toString())
}
} else {
for (int i = 0; i < config.drawableCount; i++) {
def drawableName = "${config.resPrefix.toLowerCase()}${generateName(i)}"
writeStringToFile(new File(resDir, "drawable/${drawableName}.xml"), String.format(ResTemplate.DRAWABLE, generateColor()))
}
}
}
/**
* 生成strings.xml
* @param resDir
* @param config
*/
static void generateStringsFile(File resDir, JunkCodeConfig config) {
def stringFile = new File(resDir, "values/strings.xml")
StringBuilder contentBuilder = new StringBuilder()
StringBuilder keyBuilder = new StringBuilder()
StringBuilder valueBuilder = new StringBuilder()
contentBuilder.append("\n")
for (int i = 0; i < config.stringCount; i++) {
def key
def value
if (config.stringCreator) {
keyBuilder.setLength(0)
valueBuilder.setLength(0)
config.stringCreator.execute(new Tuple3(i, keyBuilder, valueBuilder))
key = keyBuilder.toString()
value = valueBuilder.toString()
} else {
key = "${config.resPrefix.toLowerCase()}${generateName(i)}"
value = generateName(i)
}
contentBuilder.append("${value} \n")
}
contentBuilder.append(" \n")
writeStringToFile(stringFile, contentBuilder.toString())
}
/**
* 生成keep.xml
* @param resDir
* @param config
*/
static void generateKeep(File resDir, JunkCodeConfig config) {
def keepName
def keepContent
if (config.keepCreator) {
def fileNameBuilder = new StringBuilder()
def contentBuilder = new StringBuilder()
config.keepCreator.execute(new Tuple2(fileNameBuilder, contentBuilder))
keepName = fileNameBuilder.toString()
keepContent = contentBuilder.toString()
} else {
if (config.resPrefix.isEmpty()) {
return
}
keepName = "android_junk_code_keep"
keepContent = " activityList) {
StringBuilder sb = new StringBuilder()
sb.append("\n")
sb.append(" \n")
for (i in 0..\n")
}
sb.append(" \n")
sb.append(" ")
writeStringToFile(manifestFile, sb.toString())
}
/**
* 生成proguard-rules.pro
*
* @param manifestFile
* @param activityList
*/
static void generateProguard(File proguardFile, List packageList, JunkCodeConfig config) {
StringBuilder sb = new StringBuilder()
if (config.proguardCreator) {
config.proguardCreator.execute(new Tuple2(packageList, sb))
} else {
for (i in 0.. 7 || androidComponents.pluginVersion.minor >= 4)) {
return true
}
return false
}
}