Move libcore.timezone to the i18n module - Final part am: 3fdedcab75 am: 699fe3c85e am: 6e14f5baf2 am: c951935c05 am: 44be1fe795

Original change: https://android-review.googlesource.com/c/platform/external/robolectric-shadows/+/1348662

Change-Id: Icb7fd11ee3eb81008e8d2c4e316d78e8062c7415

2 files changed, 89 insertions, 7 deletions

diff --git a/shadows/framework/src/main/java/org/robolectric/shadows/ShadowTimeZoneFinderQ.java b/shadows/framework/src/main/java/org/robolectric/shadows/ShadowTimeZoneFinderQ.java
index 761a39b2b..324742adb 100644
--- a/shadows/framework/src/main/java/org/robolectric/shadows/ShadowTimeZoneFinderQ.java
+++ b/shadows/framework/src/main/java/org/robolectric/shadows/ShadowTimeZoneFinderQ.java
@@ -8,24 +8,33 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import libcore.timezone.TimeZoneFinder;
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
+import org.robolectric.util.ReflectionHelpers;
+import org.robolectric.util.ReflectionHelpers.ClassParameter;
 
-/** Shadow for TimeZoneFinder on Q or above. */
+/** Shadow for TimeZoneFinder on Q,R. */
 @Implements(
-    value = TimeZoneFinder.class,
+    className = "libcore.timezone.TimeZoneFinder",
     minSdk = Q,
+    maxSdk = Q, // maxSdk should be R, but it can't compile until AOSP switches current SDK to S.
     isInAndroidSdk = false,
     looseSignatures = true)
 public class ShadowTimeZoneFinderQ {
 
   private static final String TZLOOKUP_PATH = "/usr/share/zoneinfo/tzlookup.xml";
 
-  @Implementation
-  protected static Object getInstance() {
-    return TimeZoneFinder.createInstanceForTests(readTzlookup());
-  }
+    @Implementation
+    protected static Object getInstance() {
+      try {
+        return ReflectionHelpers.callStaticMethod(
+            Class.forName("libcore.timezone.TimeZoneFinder"),
+            "createInstanceForTests",
+            ClassParameter.from(String.class, readTzlookup()));
+      } catch (ClassNotFoundException e) {
+        throw new RuntimeException(e);
+      }
+    }
 
   /**
    * Reads tzlookup.xml from the files bundled inside android-all JARs. We need to read the file
diff --git a/shadows/framework/src/main/java/org/robolectric/shadows/ShadowTimeZoneFinderS.java b/shadows/framework/src/main/java/org/robolectric/shadows/ShadowTimeZoneFinderS.java
new file mode 100644
index 000000000..f7f8080b2
--- /dev/null
+++ b/shadows/framework/src/main/java/org/robolectric/shadows/ShadowTimeZoneFinderS.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+// BEGIN-INTERNAL
+package org.robolectric.shadows;
+
+import static android.os.Build.VERSION_CODES.R;
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import com.android.i18n.timezone.TimeZoneFinder;
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+
+/** Shadow for TimeZoneFinder on S or above. */
+@Implements(
+    value = TimeZoneFinder.class,
+    minSdk = R, // maxSdk should be R, but it can't compile until AOSP provides S version.
+    isInAndroidSdk = false,
+    looseSignatures = true)
+public class ShadowTimeZoneFinderS {
+
+  private static final String TZLOOKUP_PATH = "/usr/share/zoneinfo/tzlookup.xml";
+
+  @Implementation
+  protected static Object getInstance() {
+    return TimeZoneFinder.createInstanceForTests(readTzlookup());
+  }
+
+  /**
+   * Reads tzlookup.xml from the files bundled inside android-all JARs. We need to read the file
+   * instead of passing in the path because the real implementation uses {@link java.nio.file.Paths}
+   * which doesn't support reading from JARs.
+   */
+  private static String readTzlookup() {
+    StringBuilder stringBuilder = new StringBuilder();
+    InputStream is = null;
+    try {
+      try {
+        is = ShadowTimeZoneFinder.class.getResourceAsStream(TZLOOKUP_PATH);
+        BufferedReader reader = new BufferedReader(new InputStreamReader(is, UTF_8));
+        for (String line; (line = reader.readLine()) != null; ) {
+          stringBuilder.append(line);
+        }
+      } finally {
+        if (is != null) {
+          is.close();
+        }
+      }
+    } catch (IOException e) {
+      // ignore
+    }
+
+    return stringBuilder.toString();
+  }
+}
+// END-INTERNAL