org.apache.flink.runtime.rest.messages.json.SerializedThrowableSerializer Maven / Gradle / Ivy
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* 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.flink.runtime.rest.messages.json;
import org.apache.flink.util.InstantiationUtil;
import org.apache.flink.util.SerializedThrowable;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonGenerator;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.SerializerProvider;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.std.StdSerializer;
import java.io.IOException;
/**
* JSON serializer for {@link SerializedThrowable}.
*/
public class SerializedThrowableSerializer extends StdSerializer {
private static final long serialVersionUID = 1L;
static final String FIELD_NAME_CLASS = "class";
static final String FIELD_NAME_STACK_TRACE = "stack-trace";
static final String FIELD_NAME_SERIALIZED_THROWABLE = "serialized-throwable";
public SerializedThrowableSerializer() {
super(SerializedThrowable.class);
}
@Override
public void serialize(final SerializedThrowable value, final JsonGenerator gen, final SerializerProvider provider) throws IOException {
gen.writeStartObject();
gen.writeStringField(FIELD_NAME_CLASS, value.getOriginalErrorClassName());
gen.writeStringField(FIELD_NAME_STACK_TRACE, value.getFullStringifiedStackTrace());
gen.writeBinaryField(FIELD_NAME_SERIALIZED_THROWABLE, InstantiationUtil.serializeObject(value));
gen.writeEndObject();
}
}