Examples of sunlabs.brazil.util.http.MimeHeaders

sunlabs.brazil.util.http.MimeHeaders
This class is build on top of the StringMap class and provides added methods that are of help when manipulating MIME headers. By creating an instance of this class, the user can conveniently read, write, and modify MIME headers. @author Colin Stevens (colin.stevens@sun.com) @version 2.2

   * one line, they are separated by ';' characters.
   */


  String value = null;
  String[] subs = new String[3];
  MimeHeaders headers = request.headers;
  for (int i = headers.size(); --i >= 0; ) {
      if (headers.getKey(i).equalsIgnoreCase("Cookie") == false) {
    continue;
      }
      if (cookie.match(headers.get(i), subs)) {
    value = subs[2];
    if (value.length() == 0) {
        value = null;
    }
    break;

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      hr.request.log(Server.LOG_DIAGNOSTIC, hr.prefix,
    "Posting: " + post);
      debug(hr, post);
  }


  MimeHeaders clientHeaders = new MimeHeaders();
  hr.request.headers.copyTo(clientHeaders);
  HttpRequest.removePointToPointHeaders(clientHeaders, false);
  clientHeaders.remove("host");


  /*
   * Fix broken query strings - this is dubious
   */


  if (encodeQuery) {
      int index = href.indexOf("?");
      if (index > 0) {
    href = href.substring(0,index+1) + 
      href.substring(index+1).replace(' ', '+');
      }
  }


  /*
   * build a query string based on properties
   */


  if (queryList != null) {
      StringTokenizer st = new StringTokenizer(queryList);
            StringBuffer sb = new StringBuffer(href);
      String delim = href.indexOf("?") > 0 ? "&" : "?";
      while (st.hasMoreTokens()) {
          String key = st.nextToken();
          String value = hr.request.props.getProperty(key);
    sb.append(delim).append(key).append("=");
    if (value != null) {
        sb.append(HttpUtil.urlEncode(value));
    }
    delim="&";
      }
      href = sb.toString();
      debug(hr, "Using href: " + href);
  }


  HttpRequest target = new HttpRequest(href);
  clientHeaders.copyTo(target.requestHeaders);
  if (addheaders != null) {
      target.addHeaders(addheaders, hr.request.props);
  }
  target.requestHeaders.putIfNotPresent("Host",
      HttpUtil.extractUrlHost(href));

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    String
    fetchCookie(Request request) {
  String id = null;
  String[] subs = new String[3];
  MimeHeaders headers = request.headers;
  for (int i = headers.size(); --i >= 0; ) {
      if (headers.getKey(i).equalsIgnoreCase("Cookie") == false) {
    continue;
      }
      request.log(Server.LOG_DIAGNOSTIC, propsPrefix, 
        "Examining cookie header: " + headers.get(i));
      if (cookieExp.match(headers.get(i), subs)) {
    id = subs[2];
    if (id.length() == 0) {
        id = null;
    }
    request.log(Server.LOG_DIAGNOSTIC, propsPrefix,

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  }
  if ((client.query != null) && (client.query.length() > 0)) {
      url += "?" + client.query;
  }


  MimeHeaders clientHeaders = client.headers;


  /*
   * "Proxy-Connection" may be used (instead of just "Connection")
   * to keep alive a connection between a client and this proxy.
   */
  String pc = clientHeaders.get("Proxy-Connection");
  if (pc != null) {
      client.connectionHeader = "Proxy-Connection";
      client.keepAlive = pc.equalsIgnoreCase("Keep-Alive");
  }


  HttpRequest.removePointToPointHeaders(clientHeaders, false);


        HttpRequest target = new HttpRequest(url);
  try {
      MimeHeaders targetHeaders = target.requestHeaders;


      target.setMethod(client.method);
      clientHeaders.copyTo(targetHeaders);
/*      targetHeaders.add("Via", client.protocol + via);*/
      
      /*
       * We might need to authenticate to a target proxy.
       */


      if ((proxyHost != null)
        && proxyTester.useProxy(target.host, target.port)) {
    target.setProxy(proxyHost, proxyPort);
    if (auth != null) {
        targetHeaders.add("Proxy-Authorization", auth);
    }
      }


      if (client.postData != null) {
    OutputStream out = target.getOutputStream();
    out.write(client.postData);
    out.close();
      }


      target.connect();


      targetHeaders = target.responseHeaders;
      HttpRequest.removePointToPointHeaders(targetHeaders, true);


      clientHeaders = client.responseHeaders;
      targetHeaders.copyTo(clientHeaders);
      try {
    clientHeaders.add("Via",
      target.status.substring(0, 8) + via);
      } catch (StringIndexOutOfBoundsException e) {
    clientHeaders.add("Via", via);

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  if ((admin != null) && request.url.startsWith(admin)) {
      return getInfo(request);
  }


  if (request.url.startsWith("http://")) {
      MimeHeaders headers = request.headers;
      for (int i = headers.size(); --i >= 0; ) {
    if ("Cookie".equalsIgnoreCase(headers.getKey(i))) {
        headers.remove(i);
    }
      }


      insertCookies(request);
  }

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  }
  
  requestsLeft = server.maxRequests;
  keepAlive = true;


  headers = new MimeHeaders();
  responseHeaders = new MimeHeaders();
  serverProtocol = null;
    }

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