/**
* 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.jooby.rocker;
import java.nio.channels.Channels;
import java.util.Map;
import org.jooby.MediaType;
import org.jooby.Renderer;
import org.jooby.Route;
import org.jooby.View;
import com.fizzed.rocker.Rocker;
import com.fizzed.rocker.RockerModel;
import com.fizzed.rocker.runtime.ArrayOfByteArraysOutput;
class RockerRenderer implements Renderer {
private String prefix;
private String suffix;
public RockerRenderer(final String prefix, final String suffix) {
this.prefix = prefix;
this.suffix = suffix;
}
@SuppressWarnings({"rawtypes", "unchecked" })
@Override
public void render(final Object value, final Context ctx) throws Exception {
Object model = value;
/** View? */
if (value instanceof View) {
View view = (View) value;
String path = path(Route.normalize(prefix + "/" + view.name() + suffix));
Map data = view.model();
model = Rocker.template(path).bind(data);
}
/** RockerModel: */
if (model instanceof RockerModel) {
ArrayOfByteArraysOutput output = ((RockerModel) model).render(ArrayOfByteArraysOutput.FACTORY,
template -> {
if (template instanceof RequestRockerTemplate) {
RequestRockerTemplate rrt = (RequestRockerTemplate) template;
rrt.locals = ctx.locals();
}
});
ctx.type(MediaType.html)
.length(output.getByteLength())
// FIXME: make more efficient. Context should provide a way to send partial results
.send(Channels.newInputStream(output.asReadableByteChannel()));
}
}
static String path(final String path) {
if (path.startsWith("/")) {
return path.substring(1);
}
return path;
}
}