/* * Copyright 2015 Collective, Inc. * * 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.collective.celos.ci.testing.fixtures.convert; import com.collective.celos.ci.mode.test.TestRun; import com.collective.celos.ci.testing.structure.fixobject.AbstractFixObjectConverter; import com.collective.celos.ci.testing.structure.fixobject.FixFile; import org.apache.avro.Schema; import org.apache.avro.file.DataFileReader; import org.apache.avro.file.FileReader; import org.apache.avro.file.SeekableByteArrayInput; import org.apache.avro.generic.GenericDatumReader; import org.apache.avro.generic.GenericDatumWriter; import org.apache.avro.io.DatumWriter; import org.apache.avro.io.EncoderFactory; import org.apache.avro.io.JsonEncoder; import org.apache.commons.io.IOUtils; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; /** * Created by akonopko on 9/29/14. */ public class AvroToJsonConverter extends AbstractFixObjectConverter<FixFile, FixFile> { @Override public FixFile convert(TestRun testRun, FixFile ff) throws IOException { byte[] bytes = IOUtils.toByteArray(ff.getContent()); if (bytes.length == 0) { return ff; } ByteArrayOutputStream os = new ByteArrayOutputStream(); GenericDatumReader<Object> reader = new GenericDatumReader<>(); FileReader<Object> fileReader = DataFileReader.openReader(new SeekableByteArrayInput(bytes), reader); try { Schema schema = fileReader.getSchema(); DatumWriter<Object> writer = new GenericDatumWriter<>(schema); JsonEncoder encoder = EncoderFactory.get().jsonEncoder(schema, os); for (Object datum : fileReader) { writer.write(datum, encoder); } encoder.flush(); } finally { fileReader.close(); } return new FixFile(new ByteArrayInputStream(os.toByteArray())); } }