rzymek/HotRedeployer.java

## HotRedeployer.java
package jboss7;

import java.io.File;
import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;

@WebFilter(urlPatterns = "/*")
public class HotRedeployer implements Filter {
	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req= (HttpServletRequest) request;
		String host = req.getLocalName();
		if("localhost".equals(host)){
			File war = new File(request.getServletContext().getRealPath("/"));
			File deployments = war.getParentFile();
			File classes = new File(war, "WEB-INF/classes");
			File dodeploy = new File(deployments, war.getName()+".dodeploy");
			long lastDeployed = new File(deployments, war.getName()+".deployed").lastModified();
			if(isNewer(classes, lastDeployed)) {
				dodeploy.createNewFile();
			}

			if(dodeploy.exists()){
				response.setContentType("text/html");
				String uri = req.getRequestURL().toString();
				response.getWriter().write("<html><head><meta http-equiv='refresh' content='1; url="+uri+"'></meta></head><body>Redeploying...</body></html>");
				return;
			}
		}
		chain.doFilter(request, response);
	}

	private boolean isNewer(File entry, long lastDeployed) {
		if(entry.isDirectory()) {
			File[] files = entry.listFiles();
			for (File file : files) {
				if(isNewer(file, lastDeployed)) {
					return true;
				}
			}
			return false;
		}else{
			return entry.lastModified() > lastDeployed;
		}
	}

	@Override
	public void init(FilterConfig cfg) throws ServletException {
	}

	@Override
	public void destroy() {
	}
}
	package jboss7;

	import java.io.File;
	import java.io.IOException;

	import javax.servlet.Filter;
	import javax.servlet.FilterChain;
	import javax.servlet.FilterConfig;
	import javax.servlet.ServletException;
	import javax.servlet.ServletRequest;
	import javax.servlet.ServletResponse;
	import javax.servlet.annotation.WebFilter;
	import javax.servlet.http.HttpServletRequest;

	@WebFilter(urlPatterns = "/*")
	public class HotRedeployer implements Filter {
	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
	HttpServletRequest req= (HttpServletRequest) request;
	String host = req.getLocalName();
	if("localhost".equals(host)){
	File war = new File(request.getServletContext().getRealPath("/"));
	File deployments = war.getParentFile();
	File classes = new File(war, "WEB-INF/classes");
	File dodeploy = new File(deployments, war.getName()+".dodeploy");
	long lastDeployed = new File(deployments, war.getName()+".deployed").lastModified();
	if(isNewer(classes, lastDeployed)) {
	dodeploy.createNewFile();
	}

	if(dodeploy.exists()){
	response.setContentType("text/html");
	String uri = req.getRequestURL().toString();
	response.getWriter().write("<html><head><meta http-equiv='refresh' content='1; url="+uri+"'></meta></head><body>Redeploying...</body></html>");
	return;
	}
	}
	chain.doFilter(request, response);
	}

	private boolean isNewer(File entry, long lastDeployed) {
	if(entry.isDirectory()) {
	File[] files = entry.listFiles();
	for (File file : files) {
	if(isNewer(file, lastDeployed)) {
	return true;
	}
	}
	return false;
	}else{
	return entry.lastModified() > lastDeployed;
	}
	}

	@Override
	public void init(FilterConfig cfg) throws ServletException {
	}

	@Override
	public void destroy() {
	}
	}