sitemesh-examples-javalin.3.2.2.source-code.HelloWorld Maven / Gradle / Ivy

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SiteMesh is a web-page layout and decoration framework and web- application integration framework to aid in creating sites consisting of many pages for which a consistent look/feel, navigation and layout scheme is required.

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import io.javalin.Javalin;
import io.javalin.http.staticfiles.Location;
import jakarta.servlet.DispatcherType;
import org.eclipse.jetty.servlet.FilterHolder;
import org.sitemesh.config.ConfigurableSiteMeshFilter;
import io.javalin.rendering.template.JavalinFreemarker;
import freemarker.cache.ClassTemplateLoader;
import freemarker.template.Configuration;
import freemarker.template.TemplateExceptionHandler;

import java.util.Collections;
import java.util.EnumSet;

public class HelloWorld {
    public static void main(String[] args) {
        JavalinFreemarker.init(configureFreemarker("/templates"));

        var app = Javalin.create(config -> {
            config.staticFiles.add(staticFiles -> {
                staticFiles.hostedPath = "/static";
                staticFiles.directory = "/";
                staticFiles.location = Location.CLASSPATH;
            });
            config.jetty.contextHandlerConfig(sch -> {
                sch.addFilter(new FilterHolder(ConfigurableSiteMeshFilter.create(b ->
                    b.setMimeTypes("text/html", "text/plain")
                        .setDecoratorPrefix("")
                        .addDecoratorPath("/*", "/decorators/default")
                        .addExcludedPath("/static/*")
                        .addExcludedPath("/decorators/*")
                )), "/*", EnumSet.of(DispatcherType.REQUEST));
            });
        })
        .get("/", ctx -> ctx.render("/hello.ftl", Collections.singletonMap("user", "Scott")))
        .get("/decorators/default", ctx -> ctx.render("/decorators/default.ftl"))
        .start(7070);
    }

    public static Configuration configureFreemarker(String templatePath) {
        Configuration conf = new Configuration(Configuration.VERSION_2_3_23);
        conf.setTemplateLoader(new ClassTemplateLoader(HelloWorld.class, templatePath));
        conf.setDefaultEncoding("UTF-8");
        conf.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);
        return conf;
    }
}