Adds WFF XML validator

README.md

@@ -6,6 +6,17 @@ behavior of watch faces for Wear OS.
 This repository contains materials for helping developers work with the Watch
 Face Format to build both watch faces and watch face design tools.
 
+## XSD specification
+
+The [XSD specification][xsd-specs] provides you with the specification needed in
+order to build validation into your watch face creation tools and processes.
+
+## XSD Validator
+
+The [XSD validator][xsd-validator] is a tool that allows you to check whether
+specific watch face XML file represent valid WFF or not, including providing
+error information to assist in debugging the watch face.
+
 ## Memory footprint
 
 When used on Wear OS devices, watch faces built with WFF must pass a memory-use
@@ -30,3 +41,5 @@ Watch Face Format is distributed under the Apache 2.0 license, see the
 [wff-optimize]: https://developer.android.com/training/wearables/wff/memory-usage
 [wff]: https://developer.android.com/training/wearables/wff/
 [samples]: https://github.com/android/wear-os-samples/tree/main/WatchFaceFormat
+[xsd-specs]: third_party/wff/specification/documents/1/
+[xsd-validator]: third_party/wff/README.md

third_party/wff/.gitignore

@@ -0,0 +1,24 @@
+# Built application files
+*.apk
+*.ap_
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+
+# Gradle files
+.gradle/
+build/
+
+# Editor files
+.idea/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Log Files
+*.log

third_party/wff/LICENSE.txt

@@ -0,0 +1,202 @@
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third_party/wff/README.md

@@ -0,0 +1,37 @@
+# Watch Face Format specification
+
+## Overview
+
+The watch face format specifcation allows you to validate your watch faces and
+operation of watch face generating tools. The specification is  
+[provided as XSD files][xsd-files].
+
+## Format validator
+
+In addition to the XSD files, a validator is provided that can be used to check
+specific watch face XML files.
+
+### Building the validator
+
+```shell
+cd third_party/wff
+./gradlew :specification:validator:build
+```
+
+The resulting JAR file can then be found at: `specification/validator/build/libs/dwf-format-1-validator-1.0.jar`
+
+### Usage
+
+To check whether a watch face is valid, invoke the validator as follows:
+
+```shell
+java -jar dwf-format-1-validator-1.0.jar <format-version> <any options> <your-watchface.xml> <more-watchface.xml>
+```
+
+For example:
+
+```shell
+java -jar dwf-format-1-validator-1.0.jar 1 ~/MyWatchface/res/raw/watchface.xml
+```
+
+[xsd-files]: specification/documents/1

third_party/wff/build.gradle

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2023 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * 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.
+ */
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.4.2'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+        maven { url("${project.rootDir}/hda_sdk/") }
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

third_party/wff/gradle.properties

@@ -0,0 +1,34 @@
+# Copyright 2023 Samsung Electronics Co., Ltd All Rights Reserved
+# 
+# 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.
+# 
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+android.jetifier.ignorelist=bcprov-jdk15on

third_party/wff/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Thu Nov 30 13:24:35 KST 2023
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists