/*
* Copyright (c) 2014, Francis Galiegue (fgaliegue@gmail.com)
*
* This software is dual-licensed under:
*
* - the Lesser General Public License (LGPL) version 3.0 or, at your option, any
* later version;
* - the Apache Software License (ASL) version 2.0.
*
* The text of both licenses is available under the src/resources/ directory of
* this project (under the names LGPL-3.0.txt and ASL-2.0.txt respectively).
*
* Direct link to the sources:
*
* - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt
* - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
*/
package com.github.fge.avro.translators;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.github.fge.avro.MutableTree;
import com.github.fge.jackson.jsonpointer.JsonPointer;
import com.github.fge.jsonschema.core.exceptions.ProcessingException;
import com.github.fge.jsonschema.core.report.ProcessingReport;
import org.apache.avro.Schema;
import java.util.List;
final class UnionTranslator
extends AvroTranslator
{
private static final AvroTranslator INSTANCE = new UnionTranslator();
private UnionTranslator()
{
}
public static AvroTranslator getInstance()
{
return INSTANCE;
}
@Override
public void translate(final Schema avroSchema, final MutableTree jsonSchema,
final ProcessingReport report)
throws ProcessingException
{
final JsonPointer pwd = jsonSchema.getPointer();
final ArrayNode schemas = FACTORY.arrayNode();
jsonSchema.getCurrentNode().put("oneOf", schemas);
Schema schema;
Schema.Type type;
AvroTranslator translator;
JsonPointer ptr;
final List<Schema> types = avroSchema.getTypes();
final int size = types.size();
for (int index = 0; index < size; index++) {
schema = types.get(index);
type = schema.getType();
translator = AvroTranslators.getTranslator(type);
ptr = JsonPointer.of("oneOf", index);
schemas.add(FACTORY.objectNode());
jsonSchema.setPointer(pwd.append(ptr));
translator.translate(schema, jsonSchema, report);
jsonSchema.setPointer(pwd);
}
}
}