Java tutorial
/* * 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()); } }