jwmahtmlhelperimpl.java

java windows mda and reveus

/***
 * jwma Java WebMail
 * Copyright (c) 2000-2003 jwma team
 *
 * jwma is free software; you can distribute and use this source
 * under the terms of the BSD-style license received along with
 * the distribution.
 ***/
package dtw.webmail.model;

import java.util.*;
import java.net.*;
import java.text.*;
import java.io.ByteArrayInputStream;

import org.apache.log4j.Logger;


import dtw.webmail.*;
import dtw.webmail.util.MessageSortCriterias;
import dtw.webmail.util.StringUtil;
import dtw.webmail.util.MD5;
import dtw.webmail.util.config.ConfigurationChangeListener;
import dtw.webmail.util.config.PostOffice;
import dtw.webmail.plugin.RandomAppendPlugin;
import dtw.webmail.plugin.ContactManagementPlugin;

import javax.servlet.http.HttpSession;

import net.wimpi.text.Processor;


/**
 * Class implementing the JwmaHtmlHelper.
 * <p>Actually represents an utility class that helps
 * to keep complex logic out of the views.
 *
 * @author Dieter Wimberger
 * @version 0.9.7 07/02/2003
 */
public class JwmaHtmlHelperImpl
    implements JwmaHtmlHelper {

  //logging
  private static Logger log = Logger.getLogger(JwmaHtmlHelperImpl.class);
  private static HashMap c_DateFormats;

  //prepare cached dateformat instances
  static {
    Locale[] locales = JwmaKernel.getReference().getConfiguration()
                            .getI18N().listViewLocales();
    c_DateFormats = new HashMap((int) (locales.length * 1.4));
    for (int i = 0; i < locales.length; i++) {
      SimpleDateFormat dfs = (SimpleDateFormat)
          DateFormat.getDateInstance(DateFormat.SHORT, locales[i]);
      SimpleDateFormat dfm = (SimpleDateFormat)
          DateFormat.getDateInstance(DateFormat.MEDIUM, locales[i]);
      SimpleDateFormat dfl = (SimpleDateFormat)
          DateFormat.getDateInstance(DateFormat.LONG, locales[i]);
      SimpleDateFormat[] formats = {dfs, dfm, dfl};
      c_DateFormats.put(locales[i], formats);
    }
  }

  public JwmaHtmlHelperImpl() {
  }//constructor

  public String getControllerUrl() {
    return JwmaKernel.getReference().getMainControllerUrl();
  }//getControllerUrl

  public String getSendMailControllerUrl() {
    return JwmaKernel.getReference().getSendMailControllerUrl();
  }//getSendMailControllerUrl

  public String getContactsControllerUrl() {
    return JwmaKernel.getReference().getContactsControllerUrl();
  }//getContactsControllerUrl

  public String getPostOfficeSelect(String postoffice) {
    boolean def=true;
    if(postoffice != null && postoffice.length() >0) {
      def=false;
    }
    StringBuffer buf = new StringBuffer("<select name=\"postoffice\">");
    for (Iterator iter = JwmaKernel.getReference().getConfiguration().getPostOffices();
         iter.hasNext();) {

      PostOffice po = (PostOffice) iter.next();
      buf.append("  <option value=\"")
          .append(po.getName())
          .append("\"");
      if(def) {
        if (po.isDefault()) {
          buf.append(" selected");
        }
      } else {
        if(MD5.hash(po.getName()).equals(postoffice)) {
          buf.append(" selected");
        }
      }
      buf.append(">");
      buf.append(po.getName());
      buf.append("</option>");
    }
    buf.append("</select>");
    return buf.toString();
  }//getPostOfficeSelect

  public String getPathHierarchyNavigator(JwmaStoreInfo info, JwmaFolder folder) {
    String clickurl =
        "<a href=\"" +
        getControllerUrl() +
        "?acton=folder&amp;todo=display&amp;path={0}\">{1}</a>";

    String fname = "";
    String sep = info.getFolderSeparator() + "";
    //JwmaKernel.getReference().debugLog().write("Path="+path+";ClickUrl="+clickurl);
    StringBuffer fpath = new StringBuffer();
    StringBuffer hierarchy = new StringBuffer();
    StringTokenizer strtok = new StringTokenizer(folder.getPath(), sep, false);
    int i = 0;

    while (strtok.hasMoreElements()) {
      fname = strtok.nextToken();
      if (i > 0) {
        fpath.append(sep);
        hierarchy.append(sep);
      }
      fpath.append(URLEncoder.encode(fname));
      if (strtok.countTokens() == 0) {
        //redirect to folder
        hierarchy.append("<a href=\"")
            .append(getControllerUrl())
            .append("?acton=session&amp;todo=redirect&amp;view=folder\">")
            .append(fname)
            .append("</a>");
      } else {
        Object[] args = {fpath, fname};
        hierarchy.append(MessageFormat.format(clickurl, args));
      }
      i++;
    }
    return hierarchy.toString();
  }//getPathNavigator

  public String getFolderDisplayAction(JwmaFolder folder) {
    if (folder == null) {
      return "nullfolder";
    } else {
      return getControllerUrl() +
          "?acton=folder&amp;todo=display&amp;path=" +
          URLEncoder.encode(folder.getPath());
    }
  }//getFolderDisplayAction

  public String getFolderDisplayAction(JwmaInboxInfo info) {
    return getFolderDisplayAction((JwmaFolder) info);
  }//getFolderDisplayAction

  public String getFolderDisplayAction(JwmaTrashInfo info) {
    return getFolderDisplayAction((JwmaFolder) info);
  }//getFolderDisplayAction

  public String getDestinationsSelect(JwmaFolder[] folders) {
    StringBuffer buf = new StringBuffer("<select name=\"destination\">");
    for (int i = 0; i < folders.length; i++) {
      buf.append("  <option value=\"" + folders[i].getPath() + "\">" +
          folders[i].getPath() + "</option>");
    }
    buf.append("</select>");
    return buf.toString();
  }//getDestinationsSelection

  public String getLanguageSelect(JwmaPreferences prefs) {
    StringBuffer buf = new StringBuffer("<select name=\"language\">");
    Locale[] locales = JwmaKernel.getReference().getConfiguration()
                            .getI18N().listViewLocales();

    for (int i = 0; i < locales.length; i++) {
      buf.append("  <option value=\"")
          .append(locales[i].getLanguage())
          .append("\"");
      if (locales[i].equals(prefs.getLocale())) {
        buf.append(" selected");
      }
      buf.append(">");
      buf.append(locales[i].getDisplayName(locales[i]));
      buf.append("</option>");
    }
    buf.append("</select>");
    return buf.toString();
  }//getLanguageSelect

  public String getSortCriteriaSelect(JwmaPreferences prefs,
                                      String eventhandler,
                                      ResourceBundle viewcontent) {
    StringBuffer buf = new StringBuffer("<select name=\"criteria\" ");

    if (eventhandler != null) {
      buf.append(eventhandler);
    }
    buf.append(">\n");

    int[] criterianums = MessageSortCriterias.EXUI_CRITERIAS;
    int last = prefs.getMessageSortCriteria();
    String[] names = MessageSortCriterias.EXUI_CRITERIAS_STR;

    for (int i = 0; i < criterianums.length; i++) {
      buf.append("  <option value=\"")
          .append(criterianums[i])
          .append("\"");
      if (criterianums[i] == last) {
        buf.append(" selected");
      }
      buf.append(">");
      buf.append(viewcontent.getString(names[i]));
      buf.append("</option>");
    }
    buf.append("</select>");
    return buf.toString();
  }//getSortingCriteriaSelect


  public String getFrequentSelect(JwmaContacts contacts, String eventhandler) {
    //String[] fnicks = book.listNicknames(true);
    JwmaContact[] frequent = contacts.listFrequentRecipients();
    if (frequent == null || frequent.length == 0) {
      return "";
    }
    StringBuffer buf = new StringBuffer("<select name=\"frequent\" ");

    if (eventhandler != null) {
      buf.append(eventhandler);
    }
    buf.append(">\n");
    buf.append("<option value=\"\" selected>Select frequent</option>\n");
    for (int i = 0; i < frequent.length; i++) {
      JwmaContact ct = frequent[i];
      String nickname = ct.getNickname();
      if (nickname == null || nickname.length() == 0) {
        nickname = new StringBuffer(ct.getLastname()).append(", ")
            .append(ct.getFirstname()).toString();
      }
      buf.append("  <option value=\"")
          .append(ct.getFirstname())
          .append(" ")
          .append(ct.getLastname())
          .append("<")
          .append(ct.getEmail())
          .append(">")
          .append("\">")
          .append(nickname)
          .append("</option>\n");
    }
    buf.append("</select>\n");
    return buf.toString();
  }//getFrequentSelect

  public String getCategoriesSelect(JwmaContact ct,
                                    String[] categories,
                                    ResourceBundle viewcontent) {


    StringBuffer buf = new StringBuffer("<select name=\"category\">\n");
    if (categories != null && categories.length > 0) {
      for (int i = 0; i < categories.length; i++) {
        buf.append("  <option value=\"")
            .append(categories[i])
            .append("\"")
            .append(((categories[i].equals(ct.getCategory()))? " selected>":">"))
            .append(categories[i])
            .append("</option>\n");
      }
    }
    String newcat = viewcontent.getString("contact.newcategory");
    buf.append("  <option value=\"")
        .append(newcat)
        .append("\">")
        .append(newcat)
        .append("</option>\n");

    buf.append("</select>\n");
    return buf.toString();
  }//getCategoriesSelect

  public String getMessageProcessorSelect(JwmaPreferences prefs) {
    String[] procs = JwmaKernel.getReference().listMessageProcessors();
    StringBuffer buf = new StringBuffer("<select name=\"msgprocessor\">\n");
    //add options
    for (int i = 0; i < procs.length; i++) {
      Processor proc = JwmaKernel.getReference().getMessageProcessor(procs[i]);
      buf.append("  <option value=\"")
          .append(procs[i])
          .append("\"")
          .append(((procs[i].equals(prefs.getMessageProcessorName()))? " selected>":">"))
          .append(proc.getDescription(prefs.getLocale()))
          .append("</option>\n");
    }
    buf.append("</select>\n");
    return buf.toString();
  }//getMessageProcessorSelect

  public String getRandomAppendTypesSelect(JwmaPreferences prefs, JwmaMailIdentity mid) {
    RandomAppendPlugin rap = JwmaKernel.getReference().getRandomAppendPlugin();
    String[] rndapp = null;