1 files changed, 124 insertions, 0 deletions
diff --git a/java/core/src/main/java/com/google/protobuf/AbstractProto3StandardSchema.java b/java/core/src/main/java/com/google/protobuf/AbstractProto3StandardSchema.java
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+++ b/java/core/src/main/java/com/google/protobuf/AbstractProto3StandardSchema.java
@@ -0,0 +1,124 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package com.google.protobuf;
+
+import static com.google.protobuf.Proto3Manifest.FIELD_LENGTH;
+import static com.google.protobuf.Proto3Manifest.offset;
+import static com.google.protobuf.Proto3Manifest.type;
+
+import java.util.Collections;
+
+/**
+ * Abtract base class for standard (i.e. non-lite) proto3 schemas.
+ */
+abstract class AbstractProto3StandardSchema<T> extends AbstractProto3Schema<T> {
+  final Class<?> messageClass;
+
+  public AbstractProto3StandardSchema(Class<T> messageClass, Proto3Manifest manifest) {
+    super(manifest);
+    this.messageClass = messageClass;
+  }
+
+  @SuppressWarnings("unchecked")
+  @Override
+  public final T newInstance() {
+    T msg = (T) UnsafeUtil.allocateInstance(messageClass);
+    for (long pos = manifest.address; pos < manifest.limit; pos += FIELD_LENGTH) {
+      final int typeAndOffset = manifest.typeAndOffsetAt(pos);
+      switch (type(typeAndOffset)) {
+        case 0: //DOUBLE:
+        case 1: //FLOAT:
+        case 2: //INT64:
+        case 3: //UINT64:
+        case 4: //INT32:
+        case 5: //FIXED64:
+        case 6: //FIXED32:
+        case 7: //BOOL:
+        case 9: //MESSAGE:
+        case 11: //UINT32:
+        case 12: //ENUM:
+        case 13: //SFIXED32:
+        case 14: //SFIXED64:
+        case 15: //SINT32:
+        case 16: //SINT64:
+          // Do nothing, just use default values.
+          break;
+        case 8: //STRING:
+          UnsafeUtil.putObject(msg, offset(typeAndOffset), "");
+          break;
+        case 10: //BYTES:
+          UnsafeUtil.putObject(msg, offset(typeAndOffset), ByteString.EMPTY);
+          break;
+        case 17: //DOUBLE_LIST:
+        case 18: //FLOAT_LIST:
+        case 19: //INT64_LIST:
+        case 20: //UINT64_LIST:
+        case 21: //INT32_LIST:
+        case 22: //FIXED64_LIST:
+        case 23: //FIXED32_LIST:
+        case 24: //BOOL_LIST:
+        case 26: //MESSAGE_LIST:
+        case 27: //BYTES_LIST:
+        case 28: //UINT32_LIST:
+        case 29: //ENUM_LIST:
+        case 30: //SFIXED32_LIST:
+        case 31: //SFIXED64_LIST:
+        case 32: //SINT32_LIST:
+        case 33: //SINT64_LIST:
+        case 34: //DOUBLE_LIST_PACKED:
+        case 35: //FLOAT_LIST_PACKED:
+        case 36: //INT64_LIST_PACKED:
+        case 37: //UINT64_LIST_PACKED:
+        case 38: //INT32_LIST_PACKED:
+        case 39: //FIXED64_LIST_PACKED:
+        case 40: //FIXED32_LIST_PACKED:
+        case 41: //BOOL_LIST_PACKED:
+        case 42: //UINT32_LIST_PACKED:
+        case 43: //ENUM_LIST_PACKED:
+        case 44: //SFIXED32_LIST_PACKED:
+        case 45: //SFIXED64_LIST_PACKED:
+        case 46: //SINT32_LIST_PACKED:
+        case 47: //SINT64_LIST_PACKED:
+          UnsafeUtil.putObject(msg, offset(typeAndOffset), Collections.emptyList());
+          break;
+        case 25: //STRING_LIST:
+          UnsafeUtil.putObject(msg, offset(typeAndOffset), LazyStringArrayList.EMPTY);
+          break;
+        default:
+          break;
+      }
+    }
+
+    // Initialize the base class fields.
+    SchemaUtil.initBaseClassFields(msg);
+    return msg;
+  }
+}