org.apache.calcite.avatica.remote.LocalJsonService 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.calcite.avatica.remote;
import java.io.IOException;
import java.io.StringWriter;
/**
* Implementation of {@link org.apache.calcite.avatica.remote.Service}
* that goes to an in-process instance of {@code Service}.
*/
public class LocalJsonService extends JsonService {
private final Service service;
public LocalJsonService(Service service) {
this.service = service;
}
@Override public String apply(String request) {
try {
Request request2 = MAPPER.readValue(request, Request.class);
Response response2 = request2.accept(service);
final StringWriter w = new StringWriter();
MAPPER.writeValue(w, response2);
return w.toString();
} catch (IOException e) {
throw handle(e);
}
}
}
// End LocalJsonService.java