ratpack.groovy.template.Markup.java Source code

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Here is the source code for ratpack.groovy.template.Markup.java

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/*
 * 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());
    }
}