[Archive-access-cvs] archive-access/projects/wayback/src/java/org/archive/wayback/servletglue RequestFilter.java,NONE,1.1 WBQueryUIServlet.java,NONE,1.1 WBReplayUIServlet.java,NONE,1.1

[Brad <bra...@us...>]

Update of /cvsroot/archive-access/archive-access/projects/wayback/src/java/org/archive/wayback/servletglue
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv3483/src/java/org/archive/wayback/servletglue

Added Files:
	RequestFilter.java WBQueryUIServlet.java 
	WBReplayUIServlet.java 
Log Message:
Initial check-in -- pre code review

--- NEW FILE: WBQueryUIServlet.java ---
package org.archive.wayback.servletglue;

import java.io.IOException;
import java.util.Enumeration;
import java.util.Properties;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.archive.wayback.QueryUI;
import org.archive.wayback.core.WMRequest;
import org.archive.wayback.core.WaybackLogic;

public class WBQueryUIServlet extends HttpServlet {

	private WaybackLogic wayback = new WaybackLogic();

	private static final String WMREQUEST_ATTRIBUTE = "wmrequest.attribute";

	private static final long serialVersionUID = 1L;

	public WBQueryUIServlet() {
		super();
		// TODO Auto-generated constructor stub
	}

	public void init(ServletConfig c) throws ServletException {

		Properties p = new Properties();
		for (Enumeration e = c.getInitParameterNames(); e.hasMoreElements();) {
			String key = (String) e.nextElement();
			p.put(key, c.getInitParameter(key));
		}

		try {
			wayback.init(p);
		} catch (Exception e) {
			throw new ServletException(e.getMessage());
		}
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws IOException, ServletException {
		WMRequest wmRequest = (WMRequest) request
				.getAttribute(WMREQUEST_ATTRIBUTE);
		if (wmRequest == null) {
			throw new ServletException("No WMRequest object");
		}
		QueryUI queryUI = wayback.getQueryUI();
		queryUI.handle(wayback, wmRequest, request, response);
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub

	}

}

--- NEW FILE: WBReplayUIServlet.java ---
package org.archive.wayback.servletglue;

import java.io.IOException;
import java.util.Enumeration;
import java.util.Properties;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.archive.wayback.ReplayUI;
import org.archive.wayback.core.WMRequest;
import org.archive.wayback.core.WaybackLogic;

public class WBReplayUIServlet extends HttpServlet {
	private static final String WMREQUEST_ATTRIBUTE = "wmrequest.attribute";

	private static final long serialVersionUID = 1L;

	private WaybackLogic wayback = new WaybackLogic();

	public WBReplayUIServlet() {
		super();
		// TODO Auto-generated constructor stub
	}

	public void init(ServletConfig c) throws ServletException {

		Properties p = new Properties();
		for (Enumeration e = c.getInitParameterNames(); e.hasMoreElements();) {
			String key = (String) e.nextElement();
			p.put(key, c.getInitParameter(key));
		}

		try {
			wayback.init(p);
		} catch (Exception e) {
			throw new ServletException(e.getMessage());
		}
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws IOException, ServletException {
		WMRequest wmRequest = (WMRequest) request
				.getAttribute(WMREQUEST_ATTRIBUTE);
		if (wmRequest == null) {
			throw new ServletException("No WMRequest object");
		}
		ReplayUI replayUI = wayback.getReplayUI();
		replayUI.handle(wayback, wmRequest, request, response);
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub

	}

}

--- NEW FILE: RequestFilter.java ---
package org.archive.wayback.servletglue;

import java.io.IOException;
import java.util.logging.Logger;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.archive.net.UURI;
import org.archive.wayback.RequestParser;
import org.archive.wayback.core.WMRequest;

public class RequestFilter implements Filter {
	private static final Logger LOGGER = Logger.getLogger(RequestFilter.class
			.getName());

	private static final String WMREQUEST_ATTRIBUTE = "wmrequest.attribute";

	private static final String REQUEST_PARSER_CLASS = "requestParser.class";

	private static final String HANDLER_URL = "handler.url";

	private String handlerUrl = null;

	private RequestParser requestParser = null;

	public RequestFilter() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub

	}

	public void init(FilterConfig c) throws ServletException {

		handlerUrl = c.getInitParameter(HANDLER_URL);
		if ((handlerUrl == null) || (handlerUrl.length() <= 0)) {
			throw new ServletException("No config (" + HANDLER_URL + ")");
		}

		String className = c.getInitParameter(REQUEST_PARSER_CLASS);
		if ((className == null) || (className.length() <= 0)) {
			throw new ServletException("No config (" + REQUEST_PARSER_CLASS
					+ ")");
		}
		try {
			requestParser = (RequestParser) Class.forName(className)
					.newInstance();
			LOGGER.info("new " + className + " requestParser created.");

		} catch (Exception e) {
			// Convert. Add info.
			throw new ServletException("Failed making requestParser with "
					+ className + ": " + e.getMessage());
		}

	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		if (!handle(request, response)) {
			chain.doFilter(request, response);
		}
	}

	protected boolean handle(final ServletRequest request,
			final ServletResponse response) throws IOException,
			ServletException {
		if (!(request instanceof HttpServletRequest)) {
			return false;
		}
		if (!(response instanceof HttpServletResponse)) {
			return false;
		}
		HttpServletRequest httpRequest = (HttpServletRequest) request;
		HttpServletResponse httpResponse = (HttpServletResponse) response;
		WMRequest wmRequest = requestParser.parseRequest(httpRequest);

		if (wmRequest == null) {
			return false;
		}

		// if getRedirectURI returns non-null, then the request needs a
		// redirect:
		UURI redirectURI = wmRequest.getRedirectURI();
		if (redirectURI != null) {
			String redirectURL = redirectURI.getEscapedURI();
			// response.sendRedirect(response.encodeRedirectURL(redirectURL));
			httpResponse.sendRedirect(httpResponse
					.encodeRedirectURL(redirectURL));
		} else {
			request.setAttribute(WMREQUEST_ATTRIBUTE, wmRequest);
			RequestDispatcher dispatcher = request
					.getRequestDispatcher(handlerUrl);

			dispatcher.forward(request, response);
		}

		return true;
	}

	public void destroy() {
		// TODO Auto-generated method stub

	}

}