ratpack.groovy.template.Markup Maven / Gradle / Ivy
/*
* 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.groovy.template;
import groovy.lang.Closure;
import groovy.xml.MarkupBuilder;
import io.netty.util.CharsetUtil;
import ratpack.groovy.internal.ClosureUtil;
import ratpack.handling.Context;
import ratpack.render.Renderable;
import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.nio.charset.Charset;
public class Markup implements Renderable {
private final CharSequence contentType;
private final Charset encoding;
private final Closure definition;
public Markup(CharSequence contentType, Charset encoding, Closure definition) {
this.contentType = contentType;
this.encoding = encoding;
this.definition = definition;
}
public CharSequence getContentType() {
return contentType;
}
public Charset getEncoding() {
return encoding;
}
public Closure getDefinition() {
return definition;
}
@Override
public void render(Context context) throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
OutputStreamWriter writer = new OutputStreamWriter(out, CharsetUtil.encoder(getEncoding()));
MarkupBuilder markupBuilder = new MarkupBuilder(writer);
ClosureUtil.configureDelegateFirst(markupBuilder, markupBuilder, getDefinition());
context.getResponse().contentType(getContentType()).send(out.toByteArray());
}
}