org.apache.pulsar.client.impl.schema.reader.ProtobufReader Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.pulsar.client.impl.schema.reader;
import com.google.protobuf.InvalidProtocolBufferException;
import com.google.protobuf.Parser;
import java.io.IOException;
import java.io.InputStream;
import org.apache.pulsar.client.api.SchemaSerializationException;
import org.apache.pulsar.client.api.schema.SchemaReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ProtobufReader implements SchemaReader {
private Parser tParser;
public ProtobufReader(T protoMessageInstance) {
tParser = (Parser) (protoMessageInstance).getParserForType();
}
@Override
public T read(byte[] bytes, int offset, int length) {
try {
return this.tParser.parseFrom(bytes, offset, length);
} catch (InvalidProtocolBufferException e) {
throw new SchemaSerializationException(e);
}
}
@Override
public T read(InputStream inputStream) {
try {
return this.tParser.parseFrom(inputStream);
} catch (InvalidProtocolBufferException e) {
throw new SchemaSerializationException(e);
} finally {
try {
inputStream.close();
} catch (IOException e) {
log.error("ProtobufReader close inputStream close error", e);
}
}
}
private static final Logger log = LoggerFactory.getLogger(ProtobufReader.class);
}