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‎.gitignore‎

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# These are some examples of commonly ignored file patterns.
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# You should customize this list as applicable to your project.
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# Learn more about .gitignore:
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# https://www.atlassian.com/git/tutorials/saving-changes/gitignore
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# Node artifact files
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node_modules/
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dist/
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.gradle
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# Compiled Java class files
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*.class
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# Compiled Python bytecode
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*.py[cod]
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# Log files
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*.log
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# Package files
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*.jar
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# Maven
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target/
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# JetBrains IDE
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.idea/
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# Unit test reports
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TEST*.xml
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# Generated by MacOS
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.DS_Store
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# Generated by Windows
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Thumbs.db
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# Applications
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*.app
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*.exe
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*.war
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# Large media files
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*.mp4
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*.tiff
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*.avi
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*.flv
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*.mov
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*.wmv
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*.iml
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.gradle
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/local.properties
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties
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gradle.properties
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app/release/
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local.properties

‎OGParser/.gitignore‎

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/build

‎OGParser/build.gradle‎

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plugins {
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id 'com.android.library'
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id 'kotlin-android'
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}
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android {
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compileSdkVersion 30
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buildToolsVersion "30.0.3"
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defaultConfig {
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minSdkVersion 16
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targetSdkVersion 30
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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consumerProguardFiles "consumer-rules.pro"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = '1.8'
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}
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}
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dependencies {
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implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
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implementation 'androidx.core:core-ktx:1.6.0'
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implementation 'androidx.appcompat:appcompat:1.3.1'
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implementation 'com.google.android.material:material:1.4.0'
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testImplementation 'junit:junit:4.+'
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androidTestImplementation 'androidx.test.ext:junit:1.1.3'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
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// OpenGraph
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implementation 'org.jsoup:jsoup:1.10.3'
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//Architecture
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def lifecycle_version = '2.2.0'
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implementation "androidx.lifecycle:lifecycle-extensions:${lifecycle_version}"
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implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:${lifecycle_version}"
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}

‎OGParser/consumer-rules.pro‎

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‎OGParser/proguard-rules.pro‎

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎OGParser/src/androidTest/java/com/kedia/ogparser/ExampleInstrumentedTest.kt‎

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package com.kedia.ogparser
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("com.kedia.ogparser.test", appContext.packageName)
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}
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}

‎OGParser/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.kedia.ogparser">
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</manifest>

‎OGParser/src/main/java/com/kedia/ogparser/OpenGraphCallback.kt‎

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package com.kedia.ogparser
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interface OpenGraphCallback {
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fun onPostResponse(openGraphResult: OpenGraphResult)
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fun onError(error: String)
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}

‎OGParser/src/main/java/com/kedia/ogparser/OpenGraphParser.kt‎

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package com.kedia.ogparser
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.GlobalScope
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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import org.jsoup.Jsoup
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class OpenGraphParser(
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private val listener: OpenGraphCallback
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) {
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private var url: String = ""
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private val AGENT = "Mozilla"
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private val REFERRER = "http://www.google.com"
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private val TIMEOUT = 10000
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private val DOC_SELECT_QUERY = "meta[property^=og:]"
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private val OPEN_GRAPH_KEY = "content"
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private val PROPERTY = "property"
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private val OG_IMAGE = "og:image"
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private val OG_DESCRIPTION = "og:description"
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private val OG_URL = "og:url"
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private val OG_TITLE = "og:title"
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private val OG_SITE_NAME = "og:site_name"
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private val OG_TYPE = "og:type"
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private val openGraphResult = OpenGraphResult()
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fun parse(url: String) {
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this.url = url
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GlobalScope.launch {
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val result = fetchContent()
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listener.onPostResponse(result)
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}
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}
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private suspend fun fetchContent() = withContext(Dispatchers.IO) {
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if (!url.contains("http")) {
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url = "http://$url"
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}
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try {
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val response = Jsoup.connect(url)
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.ignoreContentType(true)
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.userAgent(AGENT)
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.referrer(REFERRER)
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.timeout(TIMEOUT)
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.followRedirects(true)
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.execute()
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val doc = response.parse()
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val ogTags = doc.select(DOC_SELECT_QUERY)
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when {
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ogTags.size > 0 ->
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ogTags.forEachIndexed { index, _ ->
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val tag = ogTags[index]
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val text = tag.attr(PROPERTY)
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when (text) {
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OG_IMAGE -> {
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openGraphResult.image = (tag.attr(OPEN_GRAPH_KEY))
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}
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OG_DESCRIPTION -> {
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openGraphResult.description = (tag.attr(OPEN_GRAPH_KEY))
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}
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OG_URL -> {
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openGraphResult.url = (tag.attr(OPEN_GRAPH_KEY))
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}
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OG_TITLE -> {
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openGraphResult.title = (tag.attr(OPEN_GRAPH_KEY))
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}
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OG_SITE_NAME -> {
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openGraphResult.siteName = (tag.attr(OPEN_GRAPH_KEY))
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}
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OG_TYPE -> {
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openGraphResult.type = (tag.attr(OPEN_GRAPH_KEY))
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}
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}
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}
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}
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} catch (e: Exception) {
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e.printStackTrace()
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listener.onError(e.localizedMessage)
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}
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return@withContext openGraphResult
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}
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}

‎OGParser/src/main/java/com/kedia/ogparser/OpenGraphResult.kt‎

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package com.kedia.ogparser
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data class OpenGraphResult(
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var title: String = "",
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var description: String = "",
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var url: String = "",
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var image: String = "",
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var siteName: String = "",
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var type: String = ""
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)

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