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// 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.Proto2Manifest.FIELD_LENGTH;
import static com.google.protobuf.Proto2Manifest.offset;
import static com.google.protobuf.Proto2Manifest.type;
import java.util.Collections;
/** Abtract base class for standard (i.e. non-lite) proto2 schemas. */
abstract class AbstractProto2StandardSchema<T> extends AbstractProto2Schema<T> {
final Class<?> messageClass;
public AbstractProto2StandardSchema(Class<T> messageClass, Proto2Manifest 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;
case -4: //GROUP
break;
case -3: //GROUP_LIST
UnsafeUtil.putObject(msg, offset(typeAndOffset), Collections.emptyList());
break;
default:
break;
}
}
// Initialize the base class fields.
SchemaUtil.initBaseClassFields(msg);
return msg;
}
}
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