1 files changed, 110 insertions, 0 deletions
diff --git a/repackaged/libphonenumber/src/com/android/i18n/phonenumbers/metadata/init/MetadataParser.java b/repackaged/libphonenumber/src/com/android/i18n/phonenumbers/metadata/init/MetadataParser.java
new file mode 100644
index 00000000..2f045232
--- /dev/null
+++ b/repackaged/libphonenumber/src/com/android/i18n/phonenumbers/metadata/init/MetadataParser.java
@@ -0,0 +1,110 @@
+/* GENERATED SOURCE. DO NOT MODIFY. */
+/*
+ * Copyright (C) 2022 The Libphonenumber Authors
+ *
+ * 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.i18n.phonenumbers.metadata.init;
+
+import com.android.i18n.phonenumbers.Phonemetadata.PhoneMetadata;
+import com.android.i18n.phonenumbers.Phonemetadata.PhoneMetadataCollection;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Exposes single method for parsing {@link InputStream} content into {@link Collection} of {@link
+ * PhoneMetadata}
+ * @hide This class is not part of the Android public SDK API
+ */
+public final class MetadataParser {
+
+  private static final Logger logger = Logger.getLogger(MetadataParser.class.getName());
+
+  /**
+   * Creates new instance in lenient mode, see {@link MetadataParser#parse(InputStream)} for more
+   * info.
+   */
+  public static MetadataParser newLenientParser() {
+    return new MetadataParser(false);
+  }
+
+  /**
+   * Creates new instance in strict mode, see {@link MetadataParser#parse(InputStream)} for more
+   * info
+   */
+  public static MetadataParser newStrictParser() {
+    return new MetadataParser(true);
+  }
+
+  private final boolean strictMode;
+
+  private MetadataParser(boolean strictMode) {
+    this.strictMode = strictMode;
+  }
+
+  /**
+   * Parses given {@link InputStream} into a {@link Collection} of {@link PhoneMetadata}.
+   *
+   * @throws IllegalArgumentException if {@code source} is {@code null} and strict mode is on
+   * @return parsed {@link PhoneMetadata}, or empty {@link Collection} if {@code source} is {@code
+   *     null} and lenient mode is on
+   */
+  public Collection<PhoneMetadata> parse(InputStream source) {
+    if (source == null) {
+      return handleNullSource();
+    }
+    ObjectInputStream ois = null;
+    try {
+      ois = new ObjectInputStream(source);
+      PhoneMetadataCollection phoneMetadataCollection = new PhoneMetadataCollection();
+      phoneMetadataCollection.readExternal(ois);
+      List<PhoneMetadata> phoneMetadata = phoneMetadataCollection.getMetadataList();
+      // Sanity check; this should not happen if provided InputStream is valid
+      if (phoneMetadata.isEmpty()) {
+        throw new IllegalStateException("Empty metadata");
+      }
+      return phoneMetadataCollection.getMetadataList();
+    } catch (IOException e) {
+      throw new IllegalStateException("Unable to parse metadata file", e);
+    } finally {
+      if (ois != null) {
+        // This will close all underlying streams as well, including source.
+        close(ois);
+      } else {
+        close(source);
+      }
+    }
+  }
+
+  private List<PhoneMetadata> handleNullSource() {
+    if (strictMode) {
+      throw new IllegalArgumentException("Source cannot be null");
+    }
+    return Collections.emptyList();
+  }
+
+  private void close(InputStream inputStream) {
+    try {
+      inputStream.close();
+    } catch (IOException e) {
+      logger.log(Level.WARNING, "Error closing input stream (ignored)", e);
+    }
+  }
+}
+\ No newline at end of file