com.jetdrone.vertx.yoke.extras.middleware.ResponseHeaders Maven / Gradle / Ivy

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package com.jetdrone.vertx.yoke.extras.middleware;

import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

import org.vertx.java.core.Handler;

import com.jetdrone.vertx.yoke.Middleware;
import com.jetdrone.vertx.yoke.middleware.YokeRequest;
import com.jetdrone.vertx.yoke.middleware.YokeResponse;

/**
 * 
 * A simple {@link Middleware} that allows adding custom response headers to all
 * {@link YokeResponse}.
 * 
 * 
 * Example:
 * 
 *
 *  * {@code
 * yoke.use(new ResponseHeaders()
 *          .with("X-Build-Meta", "1.0-SNAPSHOT")
 *          .with("X-Server-Id", "server-123"));
 * }
 * 
 */
public class ResponseHeaders extends Middleware
{
    private final Map headers;

    public ResponseHeaders()
    {
        headers = new HashMap<>();
    }

    public ResponseHeaders with(final CharSequence name, final CharSequence... values)
    {
        headers.put(name, values);
        return this;
    }

    @Override
    public void handle(final YokeRequest request, final Handler