sirius.web.templates.JavaScriptContentHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of sirius-web Show documentation

Provides a modern and scalable web server as SIRIUS module

There is a newer version: 22.2.3

/*
 * Made with all the love in the world
 * by scireum in Remshalden, Germany
 *
 * Copyright by scireum GmbH
 * http://www.scireum.de - [email protected]
 */

package sirius.web.templates;

import sirius.kernel.di.std.Register;

import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.StringWriter;

/**
 * Executes the given JavaScript script (most probably without generating any output).
 * 
 * This handler expects JavaScript as template language. The name of this handler is js the expected file
 * extension is
 * .js
 */
@Register(name = JavaScriptContentHandler.JS, classes = ContentHandler.class)
public class JavaScriptContentHandler extends JavaScriptBasedContentHandler {

    /**
     * Contains the name (type) of this handler
     */
    public static final String JS = "js";

    @Override
    public boolean generate(Generator generator, OutputStream out) throws Exception {
        if (!JS.equals(generator.getHandlerType()) && !generator.isTemplateFileExtension("js")) {
            return false;
        }

        PrintWriter writer = new PrintWriter(out == null ?
                                             new StringWriter() :
                                             new OutputStreamWriter(out, generator.getEncoding()));
        generator.put("out", writer);
        execute(generator);
        writer.flush();

        return true;
    }

    @Override
    public int getPriority() {
        return DEFAULT_PRIORITY;
    }
}