/*
* Copyright 2011, 2012 Odysseus Software GmbH
*
* 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 de.odysseus.staxon.json.stream.gson;
import java.io.FilterReader;
import java.io.FilterWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import de.odysseus.staxon.json.stream.JsonStreamFactory;
import de.odysseus.staxon.json.stream.JsonStreamSource;
import de.odysseus.staxon.json.stream.JsonStreamTarget;
public class GsonStreamFactory extends JsonStreamFactory {
@Override
public JsonStreamSource createJsonStreamSource(InputStream input) throws IOException {
return createJsonStreamSource(new InputStreamReader(input));
}
@Override
public JsonStreamSource createJsonStreamSource(Reader reader) {
JsonReader jsonReader = new JsonReader(new FilterReader(reader) {
@Override
public void close() throws IOException {
// avoid closing underlying stream
}
});
jsonReader.setLenient(false);
return new GsonStreamSource(jsonReader);
}
@Override
public JsonStreamTarget createJsonStreamTarget(OutputStream output, boolean pretty) throws IOException {
return createJsonStreamTarget(new OutputStreamWriter(output), pretty);
}
@Override
public JsonStreamTarget createJsonStreamTarget(Writer writer, boolean pretty) {
JsonWriter jsonWriter = new JsonWriter(new FilterWriter(writer) {
@Override
public void close() throws IOException {
flush(); // avoid closing underlying stream
}
});
jsonWriter.setLenient(false);
jsonWriter.setIndent(pretty ? "\t" : "");
return new GsonStreamTarget(jsonWriter);
}
}