/*
* Copyright 2013 the original author or authors.
*
* 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 ratpack.jackson.internal;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectWriter;
import ratpack.func.Action;
import ratpack.handling.ByContentSpec;
import ratpack.handling.Context;
import ratpack.handling.Handler;
import ratpack.jackson.JsonRender;
import ratpack.jackson.JsonRenderer;
import ratpack.render.RendererSupport;
import javax.inject.Inject;
public class DefaultJsonRenderer extends RendererSupport<JsonRender> implements JsonRenderer {
private final ObjectWriter defaultObjectWriter;
@Inject
public DefaultJsonRenderer(ObjectWriter defaultObjectWriter) {
this.defaultObjectWriter = defaultObjectWriter;
}
@Override
public void render(final Context context, final JsonRender object) throws Exception {
context.byContent(new Action<ByContentSpec>() {
@Override
public void execute(ByContentSpec byContentSpec) throws Exception {
byContentSpec.json(new Handler() {
@Override
public void handle(Context context) {
ObjectWriter writer = object.getObjectWriter();
if (writer == null) {
writer = defaultObjectWriter;
}
byte[] bytes;
try {
bytes = writer.writeValueAsBytes(object.getObject());
} catch (JsonProcessingException e) {
context.error(e);
return;
}
context.getResponse().send(bytes);
}
});
}
});
}
}