/*
* File : Basic.java
* Created : 23-jan-2003 17:41
* By : fbusquets
*
* JClic - Authoring and playing system for educational activities
*
* Copyright (C) 2000 - 2005 Francesc Busquets & Departament
* d'Educacio de la Generalitat de Catalunya
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details (see the LICENSE file).
*/
package edu.xtec.jclic.report.rp;
import edu.xtec.jclic.report.*;
import edu.xtec.util.CompoundObject;
import java.text.DateFormat;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
/**
*
* @author Francesc Busquets (fbusquets@xtec.cat)
* @version 13.09.17
*/
public abstract class Basic extends ReportsRequestProcessor {
// Messages
public static final String BUNDLE="edu.xtec.resources.messages.reportMessages";
public static final String LANG="lang";
public static final long DEFAULT_SESSION_LIFETIME=20L;
// Parameters
public static final String ACTION="action", PWD="pwd", RETRY="retry",
ON="on", MAIN_FORM="mainForm";
// Authentication cookie
public static final String AUTH="AUTH";
protected static Map<String, Object[]> localeObjects=new HashMap<String, Object[]>();
protected static Map<String, Long> sessions=new HashMap<String, Long>();
// Non-static variables
protected boolean retry;
protected String auth;
protected ResourceBundle bundle;
protected String[] months;
protected DateFormat shortDateFormat, veryShortDateFormat;
protected NumberFormat numberFormat;
protected String lang;
private static String[] F_NUMBERS;
public static String[] getFormattedNumbers(){
if(F_NUMBERS==null){
java.text.DecimalFormat df=new java.text.DecimalFormat("00");
List<String> v=new ArrayList<String>(100);
for(int i=0; i<100; i++)
v.add(df.format(i));
F_NUMBERS=(String[])v.toArray(new String[100]);
}
return F_NUMBERS;
}
public abstract String getTitle(ResourceBundle bundle);
public abstract String getUrl();
public String getMsg(String key){
return filter(bundle.getString(key));
}
@Override
public boolean init() throws Exception{
if(!super.init())
return false;
lang=getParam(LANG);
if(lang==null || lang.length()!=2)
lang=prop.getProperty("language", Locale.getDefault().getLanguage());
else
lang=lang.toLowerCase();
Object[] obj=localeObjects.get(lang);
if(obj!=null){
bundle=(ResourceBundle)obj[0];
months=(String[])obj[1];
shortDateFormat=(DateFormat)obj[2];
veryShortDateFormat=(DateFormat)obj[3];
numberFormat=(NumberFormat)obj[4];
}
else{
Locale l=new Locale(lang, "");
bundle=ResourceBundle.getBundle(BUNDLE, l);
if(bundle==null)
throw new Exception("Internal error!");
months=new String[12];
for(int i=0; i<12; i++)
months[i]=bundle.getString("month_"+(i+1));
shortDateFormat=DateFormat.getDateInstance(DateFormat.SHORT, l);
veryShortDateFormat=new SimpleDateFormat("dd/MM", l);
//numberFormat=NumberFormat.getIntegerInstance(l);
numberFormat=NumberFormat.getInstance(l);
obj=new Object[]{bundle, months,
shortDateFormat, veryShortDateFormat, numberFormat};
localeObjects.put(lang, obj);
}
checkAuth();
if(auth!=null)
setCookie(AUTH, auth);
return auth!=null;
}
protected boolean checkAuth(){
auth=getCookie(AUTH);
if(auth!=null){
Long timeCheck=sessions.get(auth);
if(timeCheck!=null){
long lifeTime;
try{
lifeTime=Long.parseLong(prop.getProperty(SESSION_LIFETIME, Long.toString(DEFAULT_SESSION_LIFETIME)));
} catch(NumberFormatException ex){
lifeTime=DEFAULT_SESSION_LIFETIME;
}
lifeTime=Math.max(1, lifeTime);
if(timeCheck.longValue()<System.currentTimeMillis()-lifeTime*60*1000){
auth=null;
sessions.remove(auth);
}
else
sessions.put(auth, new Long(System.currentTimeMillis()));
}
else
auth=null;
}
if(auth==null){
boolean ok=false;
try{
String sPwd=bridge.getProperty("PASSWORD", null);
if (sPwd!=null && sPwd.length()>0){ //PASSWORD field exists, Maybe null
String sTypedPwd=getParam(PWD);
if(sTypedPwd!=null && sPwd.equals(edu.xtec.util.Encryption.Encrypt(sTypedPwd)))
ok=true;
else
retry=true;
}
else
ok=true;
} catch(Exception ex){
ok=false;
}
if(ok){
char[] key=new char[12];
for(int i=0; i<12; i++){
char k=(char)(Math.random()*36);
if(k<10)
key[i]=(char)('0'+k);
else
key[i]=(char)('A'+k-10);
}
auth=new String(key);
sessions.put(auth, new Long(System.currentTimeMillis()));
}
}
return auth!=null;
}
@Override
public void header(List<String[]> v){
super.header(v);
if(!checkAuth()){
v.add(new String[]{REDIRECT, urlParam(Login.URL, RETRY, retry ? TRUE:FALSE)});
}
}
@Override
public void head(java.io.PrintWriter out) throws Exception{
super.head(out);
title(bundle.getString("jclic_reports"), getTitle(bundle), out);
linkStyle(resourceUrl("basic.css"), resourceUrl("basic_print.css"), out);
};
public void standardHeader(java.io.PrintWriter out, String title, String menu) throws Exception{
StringBuilder sb=new StringBuilder(300);
sb.append("<h1>").append(getMsg("jclic_reports")).append("<br>").append(title).append("</h1>\n");
sb.append("<p class=\"topMenu\">").append(menu).append("</p>");
out.println(sb.substring(0));
}
protected boolean getBoolParam(String paramStr, String expectedValue){
boolean result=false;
String s=getParam(paramStr);
if(s!=null && s.length()>0){
if(expectedValue==null)
result=true;
else
result=expectedValue.toLowerCase().equals(s.trim().toLowerCase());
}
return result;
}
public static String linkTo(String url, String text, String style){
StringBuilder sb=new StringBuilder(url.length()+text.length()+200);
sb.append("<a href=\"");
// was "escape(url)"
sb.append(url).append("\"");
if(style!=null)
sb.append(" class=\"").append(style).append("\"");
sb.append(">");
sb.append(filter(text));
sb.append("</a>");
return sb.substring(0);
}
public static String buttonAction(String action, String text, String extra){
StringBuilder sb=new StringBuilder(text.length()+200);
sb.append("<input type=\"button\" value=\"").append(filter(text)).append("\"");
if(action!=null)
sb.append(" onClick=\"").append(action).append("\"");
if(extra!=null)
sb.append(" ").append(extra);
sb.append(" id=\"noPrint\">");
return sb.substring(0);
}
public static String buttonTo(String url, String text, String extra){
return buttonAction("window.location.href='"+escape(url)+"'", text, extra);
}
protected static String urlParam(String url, String key, String value){
return urlParamSb(new StringBuilder(url.length()+100).append(url), key, value, url.indexOf('?')<0).substring(0);
}
protected static StringBuilder urlParamSb(StringBuilder sb, String key, String value, boolean first){
if(value!=null && value.length()>0){
sb.append(first ? "?" : "&");
sb.append(key).append("=").append(ReportUtils.urlEncode(value, false, false));
}
return sb;
}
protected int getAction(String[] actions, int defaultAction){
String action=getParam(ACTION);
int result=defaultAction;
if(action!=null){
action=action.trim();
for(int i=0; i<actions.length; i++){
if(actions[i].equals(action)){
result=i;
break;
}
}
}
return result;
}
public String[][] vectorToArray(List v, boolean isCompoundObject){
return vectorToArray(v, isCompoundObject, null, null);
}
public String[][] vectorToArray(List v, boolean isCompoundObject, String wildCardKey, String wildCardMsg){
String[][] result=null;
if(wildCardKey!=null || (v!=null && v.size()>0)){
int l=(v!=null ? v.size() : 0);
result=new String[l+(wildCardKey!=null ? 1 : 0)][];
int k=0;
if(wildCardKey!=null){
String s=wildCardKey;
if(wildCardMsg!=null)
s=getMsg(wildCardMsg);
result[k++]=new String[]{wildCardKey, s};
}
if(v!=null){
for(int i=0; i<l; i++){
String sKey, sValue;
if(isCompoundObject){
CompoundObject co=(CompoundObject)v.get(i);
sKey=co.getId();
sValue=co.getText();
}
else{
sKey=((String)v.get(i)).trim();
sValue=sKey;
}
result[k++]=new String[]{sKey, sValue};
}
}
}
return result;
}
}