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| package filters; |
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| import java.io.IOException; |
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| import java.io.PrintWriter; |
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| import java.io.StringWriter; |
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| import java.sql.Timestamp; |
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| import java.util.Enumeration; |
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| import java.util.Locale; |
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| import javax.servlet.Filter; |
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| import javax.servlet.FilterChain; |
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| import javax.servlet.FilterConfig; |
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| import javax.servlet.ServletContext; |
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| import javax.servlet.ServletException; |
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| import javax.servlet.ServletRequest; |
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| import javax.servlet.ServletResponse; |
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| import javax.servlet.http.Cookie; |
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| import javax.servlet.http.HttpServletRequest; |
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| public final class RequestDumperFilter implements Filter { |
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| private FilterConfig filterConfig = null; |
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| public void destroy() {
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| this.filterConfig = null;
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| } |
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| public void doFilter(ServletRequest request, ServletResponse response,
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| FilterChain chain) |
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| throws IOException, ServletException { |
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| if (filterConfig == null)
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| return;
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| StringWriter sw = new StringWriter();
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| PrintWriter writer = new PrintWriter(sw);
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| writer.println("Request Received at " +
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| (new Timestamp(System.currentTimeMillis()))); |
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| writer.println(" characterEncoding=" + request.getCharacterEncoding());
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| writer.println(" contentLength=" + request.getContentLength());
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| writer.println(" contentType=" + request.getContentType());
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| writer.println(" locale=" + request.getLocale());
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| writer.print(" locales=");
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| Enumeration locales = request.getLocales();
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| boolean first = true;
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| while (locales.hasMoreElements()) {
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| Locale locale = (Locale) locales.nextElement();
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| if (first)
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| first = false;
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| else |
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| writer.print(", ");
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| writer.print(locale.toString());
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| } |
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| writer.println();
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| Enumeration names = request.getParameterNames();
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| while (names.hasMoreElements()) {
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| String name = (String) names.nextElement();
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| writer.print(" parameter=" + name + "=");
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| String values[] = request.getParameterValues(name);
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| for (int i = 0; i < values.length; i++) {
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| if (i > 0)
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| writer.print(", ");
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| writer.print(values[i]);
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| } |
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| writer.println();
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| } |
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| writer.println(" protocol=" + request.getProtocol());
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| writer.println(" remoteAddr=" + request.getRemoteAddr());
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| writer.println(" remoteHost=" + request.getRemoteHost());
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| writer.println(" scheme=" + request.getScheme());
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| writer.println(" serverName=" + request.getServerName());
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| writer.println(" serverPort=" + request.getServerPort());
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| writer.println(" isSecure=" + request.isSecure());
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| if (request instanceof HttpServletRequest) {
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| writer.println("---------------------------------------------");
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| HttpServletRequest hrequest = (HttpServletRequest) request;
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| writer.println(" contextPath=" + hrequest.getContextPath());
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| Cookie cookies[] = hrequest.getCookies();
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| if (cookies == null)
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| cookies = new Cookie[0];
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| for (int i = 0; i < cookies.length; i++) {
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| writer.println(" cookie=" + cookies[i].getName() +
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| "=" + cookies[i].getValue()); |
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| } |
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| names = hrequest.getHeaderNames();
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| while (names.hasMoreElements()) {
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| String name = (String) names.nextElement();
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| String value = hrequest.getHeader(name);
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| writer.println(" header=" + name + "=" + value);
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| } |
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| writer.println(" method=" + hrequest.getMethod());
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| writer.println(" pathInfo=" + hrequest.getPathInfo());
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| writer.println(" queryString=" + hrequest.getQueryString());
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| writer.println(" remoteUser=" + hrequest.getRemoteUser());
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| writer.println("requestedSessionId=" +
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| hrequest.getRequestedSessionId()); |
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| writer.println(" requestURI=" + hrequest.getRequestURI());
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| writer.println(" servletPath=" + hrequest.getServletPath());
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| } |
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| writer.println("=============================================");
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| writer.flush();
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| filterConfig.getServletContext().log(sw.getBuffer().toString());
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| chain.doFilter(request, response);
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| } |
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| public void init(FilterConfig filterConfig) throws ServletException {
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| this.filterConfig = filterConfig;
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| } |
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| public String toString() {
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| if (filterConfig == null)
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| return ("RequestDumperFilter()");
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| StringBuffer sb = new StringBuffer("RequestDumperFilter(");
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| sb.append(filterConfig);
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| sb.append(")");
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| return (sb.toString());
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| } |
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| } |
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