Persist Plugin failures for 24 hours (ad8b3d36) · Commits · e / os / android_frameworks_base

packages/SystemUI/plugin_core/processor/src/com/android/systemui/plugins/processor/JavaWriter.kt

0 → 100644

+169 −0

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		/*
		* Copyright (C) 2025 The Android Open Source Project
		*
		* Licensed 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 com.android.systemui.plugins.processor

		import java.io.BufferedWriter
		import java.io.Writer

		/** [JavaFileWriter] has a collection of utility functions for generating java files. */
		class JavaFileWriter(val writer: TabbedWriter) : TabbedWriter by writer {
		fun pkg(pkg: String) {
		line("package $pkg;")
		line()
		}

		fun imports(vararg importGroups: List<String>) {
		var written = mutableSetOf<String>()
		for (importGroup in importGroups) {
		if (importGroup.size > 0) {
		for (importTarget in importGroup) {
		if (written.add(importTarget)) {
		line("import $importTarget;")
		}
		}
		line()
		}
		}
		}

		fun cls(
		className: String,
		isFinal: Boolean = false,
		visibility: String = "public",
		baseType: String? = null,
		interfaces: List<String> = listOf(),
		contents: JavaClassWriter.() -> Unit = {},
		) {
		val writer = JavaClassWriter(this.writer, className)
		braceBlock(
		buildString {
		append(visibility)
		if (isFinal) {
		append(" final")
		}

		append(" class ")
		append(className)

		if (baseType != null) {
		append(" extends ")
		append(baseType)
		}

		if (interfaces.size > 0) {
		append(" implements ")
		var isFirst = true
		for (interfaceType in interfaces) {
		if (!isFirst) append(", ")
		append(interfaceType)
		isFirst = false
		}
		}
		}
		) {
		writer.contents()
		}
		}

		companion object {
		fun writeTo(writer: Writer, write: JavaFileWriter.() -> Unit) {
		BufferedWriter(writer).use { bufferedWriter ->
		JavaFileWriter(TabbedWriterImpl(bufferedWriter)).write()
		}
		}
		}
		}

		/** [JavaClassWriter] has a collection of utility functions for generating java classes. */
		class JavaClassWriter(val writer: TabbedWriter, val className: String) : TabbedWriter by writer {
		fun constructor(
		visibility: String = "public",
		args: JavaMethodWriter.() -> Unit = {},
		contents: JavaMethodWriter.() -> Unit = {},
		) {
		method(
		methodName = "$className",
		returnType = "",
		visibility = visibility,
		args = args,
		contents = contents,
		)
		}

		fun method(
		methodName: String,
		visibility: String = "public",
		returnType: String = "void",
		isStatic: Boolean = false,
		args: JavaMethodWriter.() -> Unit = {},
		contents: JavaMethodWriter.() -> Unit = {},
		) {
		val writer =
		JavaMethodWriter(
		this.writer,
		className = className,
		methodName = methodName,
		returnType = returnType,
		isStatic = isStatic,
		)

		parenBlock(
		buildString {
		append(visibility)
		append(" ")

		if (isStatic) {
		append(" static ")
		}

		if (!returnType.isNullOrEmpty()) {
		append(returnType)
		append(" ")
		}

		append(methodName)
		}
		) {
		writer.args()
		}

		braceBlock { writer.contents() }
		line()
		}
		}

		/** [JavaMethodWriter] has a collection of utility functions for generating java functions. */
		class JavaMethodWriter(
		val writer: TabbedWriter,
		val className: String,
		val methodName: String,
		val returnType: String,
		val isStatic: Boolean,
		) : TabbedWriter by writer {
		val isVoid: Boolean = returnType == "void"

		var isFirstArg = true
		var callArgs = StringBuilder()

		fun arg(name: String, type: String) {
		if (!isFirstArg) {
		completeLine(",")
		callArgs.append(", ")
		}

		startLine("$type $name")
		callArgs.append(name)
		isFirstArg = false
		}
		}