gradle: desugar retrofuture and remove old deps

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

11 files changed, 25 insertions, 34 deletions

diff --git a/build.gradle b/build.gradle
index 33b463e9..e43199a9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,9 +18,8 @@ buildscript {
         materialComponentsVersion = '1.3.0-alpha02'
         mavenPluginVersion = '2.1'
         preferenceVersion = '1.1.1'
-        streamsupportVersion = '1.7.2'
-        threetenabpVersion = '1.2.4'
         zxingEmbeddedVersion = '3.6.0'
+        desugarVersion = '1.0.10'
 
         groupName = 'com.wireguard.android'
     }
diff --git a/tunnel/build.gradle b/tunnel/build.gradle
index 6f59c391..73b50828 100644
--- a/tunnel/build.gradle
+++ b/tunnel/build.gradle
@@ -50,11 +50,9 @@ android {
 }
 
 dependencies {
-    api "net.sourceforge.streamsupport:android-retrostreams:$streamsupportVersion"
     implementation "androidx.annotation:annotation:$annotationsVersion"
     implementation "androidx.collection:collection:$collectionVersion"
     implementation "com.google.code.findbugs:jsr305:$jsr305Version"
-    implementation "com.jakewharton.threetenabp:threetenabp:$threetenabpVersion"
     implementation "net.i2p.crypto:eddsa:$eddsaVersion"
     testImplementation "junit:junit:$junitVersion"
 }
diff --git a/tunnel/src/main/java/com/wireguard/android/backend/WgQuickBackend.java b/tunnel/src/main/java/com/wireguard/android/backend/WgQuickBackend.java
index d4d1f152..e2d87653 100644
--- a/tunnel/src/main/java/com/wireguard/android/backend/WgQuickBackend.java
+++ b/tunnel/src/main/java/com/wireguard/android/backend/WgQuickBackend.java
@@ -32,8 +32,6 @@ import java.util.Objects;
 import java.util.Set;
 
 import androidx.annotation.Nullable;
-import java9.util.stream.Collectors;
-import java9.util.stream.Stream;
 
 /**
  * WireGuard backend that uses {@code wg-quick} to implement tunnel configuration.
@@ -67,7 +65,7 @@ public final class WgQuickBackend implements Backend {
             return Collections.emptySet();
         }
         // wg puts all interface names on the same line. Split them into separate elements.
-        return Stream.of(output.get(0).split(" ")).collect(Collectors.toUnmodifiableSet());
+        return Set.of(output.get(0).split(" "));
     }
 
     @Override
diff --git a/tunnel/src/main/java/com/wireguard/config/Attribute.java b/tunnel/src/main/java/com/wireguard/config/Attribute.java
index 659f7cf4..447d7216 100644
--- a/tunnel/src/main/java/com/wireguard/config/Attribute.java
+++ b/tunnel/src/main/java/com/wireguard/config/Attribute.java
@@ -8,11 +8,10 @@ package com.wireguard.config;
 import com.wireguard.util.NonNullForAll;
 
 import java.util.Iterator;
+import java.util.Optional;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import java9.util.Optional;
-
 @NonNullForAll
 public final class Attribute {
     private static final Pattern LINE_PATTERN = Pattern.compile("(\\w+)\\s*=\\s*([^\\s#][^#]*)");
diff --git a/tunnel/src/main/java/com/wireguard/config/InetEndpoint.java b/tunnel/src/main/java/com/wireguard/config/InetEndpoint.java
index 6eff4a1b..87a4b9d0 100644
--- a/tunnel/src/main/java/com/wireguard/config/InetEndpoint.java
+++ b/tunnel/src/main/java/com/wireguard/config/InetEndpoint.java
@@ -7,18 +7,17 @@ package com.wireguard.config;
 
 import com.wireguard.util.NonNullForAll;
 
-import org.threeten.bp.Duration;
-import org.threeten.bp.Instant;
-
 import java.net.Inet4Address;
 import java.net.InetAddress;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.net.UnknownHostException;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.Optional;
 import java.util.regex.Pattern;
 
 import androidx.annotation.Nullable;
-import java9.util.Optional;
 
 
 /**
diff --git a/tunnel/src/main/java/com/wireguard/config/Interface.java b/tunnel/src/main/java/com/wireguard/config/Interface.java
index c49357f7..01bb3699 100644
--- a/tunnel/src/main/java/com/wireguard/config/Interface.java
+++ b/tunnel/src/main/java/com/wireguard/config/Interface.java
@@ -20,13 +20,11 @@ import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Locale;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 import androidx.annotation.Nullable;
-import java9.util.Lists;
-import java9.util.Optional;
-import java9.util.stream.Collectors;
-import java9.util.stream.StreamSupport;
 
 /**
  * Represents the configuration for a WireGuard interface (an [Interface] block). Interfaces must
@@ -223,9 +221,7 @@ public final class Interface {
         if (!addresses.isEmpty())
             sb.append("Address = ").append(Attribute.join(addresses)).append('\n');
         if (!dnsServers.isEmpty()) {
-            final List<String> dnsServerStrings = StreamSupport.stream(dnsServers)
-                    .map(InetAddress::getHostAddress)
-                    .collect(Collectors.toUnmodifiableList());
+            final List<String> dnsServerStrings = dnsServers.stream().map(InetAddress::getHostAddress).collect(Collectors.toList());
             sb.append("DNS = ").append(Attribute.join(dnsServerStrings)).append('\n');
         }
         if (!excludedApplications.isEmpty())
@@ -339,11 +335,11 @@ public final class Interface {
         }
 
         public Builder parseExcludedApplications(final CharSequence apps) {
-            return excludeApplications(Lists.of(Attribute.split(apps)));
+            return excludeApplications(List.of(Attribute.split(apps)));
         }
 
         public Builder parseIncludedApplications(final CharSequence apps) {
-            return includeApplications(Lists.of(Attribute.split(apps)));
+            return includeApplications(List.of(Attribute.split(apps)));
         }
 
         public Builder parseListenPort(final String listenPort) throws BadConfigException {
diff --git a/tunnel/src/main/java/com/wireguard/config/Peer.java b/tunnel/src/main/java/com/wireguard/config/Peer.java
index 984dbe9c..b9824bff 100644
--- a/tunnel/src/main/java/com/wireguard/config/Peer.java
+++ b/tunnel/src/main/java/com/wireguard/config/Peer.java
@@ -17,10 +17,10 @@ import java.util.Collections;
 import java.util.LinkedHashSet;
 import java.util.Locale;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.Set;
 
 import androidx.annotation.Nullable;
-import java9.util.Optional;
 
 /**
  * Represents the configuration for a WireGuard peer (a [Peer] block). Peers must have a public key,
diff --git a/ui/build.gradle b/ui/build.gradle
index 2701466e..0f258dc6 100644
--- a/ui/build.gradle
+++ b/ui/build.gradle
@@ -24,6 +24,7 @@ android {
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
+        coreLibraryDesugaringEnabled = true
     }
     if (keystorePropertiesFile.exists()) {
         final def keystoreProperties = new Properties()
@@ -69,6 +70,7 @@ dependencies {
     implementation "com.journeyapps:zxing-android-embedded:$zxingEmbeddedVersion"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutinesVersion"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutinesVersion"
+    coreLibraryDesugaring "com.android.tools:desugar_jdk_libs:$desugarVersion"
 }
 
 tasks.withType(JavaCompile) {
diff --git a/ui/src/main/java/com/wireguard/android/databinding/BindingAdapters.kt b/ui/src/main/java/com/wireguard/android/databinding/BindingAdapters.kt
index b4c27a63..adc42e7b 100644
--- a/ui/src/main/java/com/wireguard/android/databinding/BindingAdapters.kt
+++ b/ui/src/main/java/com/wireguard/android/databinding/BindingAdapters.kt
@@ -25,8 +25,8 @@ import com.wireguard.android.widget.ToggleSwitch
 import com.wireguard.android.widget.ToggleSwitch.OnBeforeCheckedChangeListener
 import com.wireguard.config.Attribute
 import com.wireguard.config.InetNetwork
-import java9.util.Optional
 import java.net.InetAddress
+import java.util.Optional
 
 /**
  * Static methods for use by generated code in the Android data binding library.
diff --git a/ui/src/main/res/layout/tunnel_detail_fragment.xml b/ui/src/main/res/layout/tunnel_detail_fragment.xml
index 72c58e76..ce33c5c5 100644
--- a/ui/src/main/res/layout/tunnel_detail_fragment.xml
+++ b/ui/src/main/res/layout/tunnel_detail_fragment.xml
@@ -169,7 +169,7 @@
                         android:layout_marginTop="8dp"
                         android:labelFor="@+id/listen_port_text"
                         android:text="@string/listen_port"
-                        android:visibility="@{config.interface.listenPort.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                        android:visibility="@{!config.interface.listenPort.isPresent() ? android.view.View.GONE : android.view.View.VISIBLE}"
                         app:layout_constraintEnd_toStartOf="@id/mtu_label"
                         app:layout_constraintHorizontal_weight="0.5"
                         app:layout_constraintStart_toStartOf="parent"
@@ -183,7 +183,7 @@
                         android:contentDescription="@string/listen_port"
                         android:onClick="@{ClipboardUtils::copyTextView}"
                         android:text="@{config.interface.listenPort}"
-                        android:visibility="@{config.interface.listenPort.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                        android:visibility="@{!config.interface.listenPort.isPresent() ? android.view.View.GONE : android.view.View.VISIBLE}"
                         app:layout_constraintEnd_toStartOf="@id/mtu_label"
                         app:layout_constraintHorizontal_weight="0.5"
                         app:layout_constraintStart_toStartOf="parent"
@@ -197,7 +197,7 @@
                         android:layout_marginTop="8dp"
                         android:labelFor="@+id/mtu_text"
                         android:text="@string/mtu"
-                        android:visibility="@{config.interface.mtu.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                        android:visibility="@{!config.interface.mtu.isPresent() ? android.view.View.GONE : android.view.View.VISIBLE}"
                         app:layout_constraintEnd_toEndOf="parent"
                         app:layout_constraintHorizontal_weight="0.5"
                         app:layout_constraintLeft_toRightOf="@id/listen_port_label"
@@ -212,7 +212,7 @@
                         android:contentDescription="@string/mtu"
                         android:onClick="@{ClipboardUtils::copyTextView}"
                         android:text="@{config.interface.mtu}"
-                        android:visibility="@{config.interface.mtu.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                        android:visibility="@{!config.interface.mtu.isPresent() ? android.view.View.GONE : android.view.View.VISIBLE}"
                         app:layout_constraintEnd_toEndOf="parent"
                         app:layout_constraintHorizontal_weight="0.5"
                         app:layout_constraintStart_toEndOf="@id/listen_port_label"
diff --git a/ui/src/main/res/layout/tunnel_detail_peer.xml b/ui/src/main/res/layout/tunnel_detail_peer.xml
index d0de329b..d0836536 100644
--- a/ui/src/main/res/layout/tunnel_detail_peer.xml
+++ b/ui/src/main/res/layout/tunnel_detail_peer.xml
@@ -62,7 +62,7 @@
                 android:layout_marginTop="8dp"
                 android:labelFor="@+id/pre_shared_key_text"
                 android:text="@string/pre_shared_key"
-                android:visibility="@{item.preSharedKey.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                android:visibility="@{!item.preSharedKey.isPresent() ? android.view.View.GONE : android.view.View.VISIBLE}"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/public_key_text" />
 
@@ -76,7 +76,7 @@
                 android:maxLines="1"
                 android:singleLine="true"
                 android:text="@string/pre_shared_key_enabled"
-                android:visibility="@{item.preSharedKey.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                android:visibility="@{!item.preSharedKey.isPresent() ? android.view.View.GONE : android.view.View.VISIBLE}"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/pre_shared_key_label"
                 tools:text="8VyS8W8XeMcBWfKp1GuG3/fZlnUQFkqMNbrdmZtVQIM=" />
@@ -112,7 +112,7 @@
                 android:layout_marginTop="8dp"
                 android:labelFor="@+id/endpoint_text"
                 android:text="@string/endpoint"
-                android:visibility="@{item.endpoint.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                android:visibility="@{!item.endpoint.isPresent() ? android.view.View.GONE : android.view.View.VISIBLE}"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/allowed_ips_text" />
 
@@ -124,7 +124,7 @@
                 android:contentDescription="@string/endpoint"
                 android:onClick="@{ClipboardUtils::copyTextView}"
                 android:text="@{item.endpoint}"
-                android:visibility="@{item.endpoint.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                android:visibility="@{!item.endpoint.isPresent() ? android.view.View.GONE : android.view.View.VISIBLE}"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/endpoint_label"
                 tools:text="192.168.0.1:51820" />
@@ -136,7 +136,7 @@
                 android:layout_marginTop="8dp"
                 android:labelFor="@+id/persistent_keepalive_text"
                 android:text="@string/persistent_keepalive"
-                android:visibility="@{item.persistentKeepalive.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                android:visibility="@{!item.persistentKeepalive.isPresent() ? android.view.View.GONE : android.view.View.VISIBLE}"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/endpoint_text" />
 
@@ -148,7 +148,7 @@
                 android:contentDescription="@string/persistent_keepalive"
                 android:onClick="@{ClipboardUtils::copyTextView}"
                 android:text="@{@plurals/persistent_keepalive_seconds_unit(item.persistentKeepalive.orElse(0), item.persistentKeepalive.orElse(0))}"
-                android:visibility="@{item.persistentKeepalive.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"
+                android:visibility="@{!item.persistentKeepalive.isPresent() ? android.view.View.GONE : android.view.View.VISIBLE}"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/persistent_keepalive_label"
                 tools:text="every 3 seconds" />