RedirectAction.java

package org.caudexorigo.http.netty4;

import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpResponseStatus;

public class RedirectAction extends HttpAction
{
	private final String path;

	private final HttpResponseStatus default_status;

	public RedirectAction(String path)
	{
		this(path, HttpResponseStatus.FOUND);
	}

	public RedirectAction(String path, HttpResponseStatus status)
	{
		super();
		this.path = path;

		if (status.code() < 300 || status.code() > 310)
		{
			throw new IllegalArgumentException("Invalid status for redirect handler");
		}

		this.default_status = status;
	}

	@Override
	public void service(ChannelHandlerContext ctx, FullHttpRequest request, FullHttpResponse rsp)
	{
		rsp.setStatus(this.default_status);
		rsp.headers().add(HttpHeaders.Names.LOCATION, path);
	}
}