/*
* Created on 26.2.2004 by tryggvil in project com.project
*/
package com.idega.event;
import java.awt.AWTEvent;
import java.awt.ActiveEvent;
import java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.ListIterator;
import java.util.Locale;
import java.util.Map;
import java.util.StringTokenizer;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.idega.core.builder.business.ICBuilderConstants;
import com.idega.core.localisation.business.LocaleSwitcher;
import com.idega.idegaweb.IWCacheManager;
import com.idega.idegaweb.IWException;
import com.idega.idegaweb.IWMainApplication;
import com.idega.io.UploadFile;
import com.idega.presentation.IWContext;
import com.idega.presentation.Page;
import com.idega.presentation.PresentationObject;
import com.idega.repository.data.Instantiator;
import com.idega.repository.data.RefactorClassRegistry;
import com.idega.repository.data.Singleton;
import com.idega.repository.data.SingletonRepository;
import com.idega.util.FileUploadUtil;
import com.idega.util.FileUtil;
import com.idega.util.LocaleUtil;
import com.oreilly.servlet.MultipartWrapper;
import com.oreilly.servlet.multipart.FilePart;
import com.oreilly.servlet.multipart.MultipartParser;
import com.oreilly.servlet.multipart.ParamPart;
import com.oreilly.servlet.multipart.Part;
/**
* IWEventProcessor //TODO: tryggvil Describe class
* Copyright (C) idega software 2004
*
* @author <a href="mailto:tryggvi@idega.is">Tryggvi Larusson </a>
* @version 1.0
*/
public class IWEventProcessor implements Singleton {
private final static String PRM_HISTORY_ID = ICBuilderConstants.PRM_HISTORY_ID;
private final static String SESSION_OBJECT_STATE = ICBuilderConstants.SESSION_OBJECT_STATE;
private static Logger log = Logger.getLogger(IWEventProcessor.class.toString());
private static Instantiator instantiator = new Instantiator() { public Object getInstance() { return new IWEventProcessor();}};
private IWEventProcessor() {
// default constructor
}
/**
*
* @uml.property name="instance"
*/
public static IWEventProcessor getInstance() {
return (IWEventProcessor) SingletonRepository.getRepository().getInstance(IWEventProcessor.class, instantiator);
}
public void processAllEvents(IWContext iwc) {
try {
processBusinessEvent(iwc);
processApplicationEvents(iwc);
processAWTEvent(iwc, iwc.getRequest(), iwc.getResponse());
increaseHistoryID(iwc);
handleEvent(iwc);
handleLocaleParameter(iwc);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (IWException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IOException e1) {
e1.printStackTrace();
} catch (ServletException e1) {
e1.printStackTrace();
}
}
public void processBusinessEvent(IWContext iwc) throws ClassNotFoundException, IllegalAccessException, IWException,
InstantiationException {
String[] eventListeners = iwc.getParameterValues(IWMainApplication.IdegaEventListenerClassParameter);
if (eventListeners != null) {
for (int i = 0; i < eventListeners.length; i++) {
processIWEventEncrypted(iwc, eventListeners[i]);
}
}
}
private void processIWEvent(IWContext iwc, String EventListenerClass) throws IllegalAccessException,
IWException, InstantiationException {
if (EventListenerClass != null) {
if (iwc.getApplicationSettings().getIfDebug()) {
System.out.println("IWEventListener: " + EventListenerClass);
}
try{
Class eventClass = RefactorClassRegistry.forName(EventListenerClass);
IWPageEventListener listener = (IWPageEventListener) eventClass.newInstance();
listener.actionPerformed(iwc);
}
catch(ClassNotFoundException cnfe){
log.warning("ClassNotFoundException : "+cnfe.getMessage()+" : referer "+iwc.getReferer());
}
}
}
private void processIWEventEncrypted(IWContext iwc, String EncryptedEventListenerClassName) throws ClassNotFoundException,
IllegalAccessException, IWException, InstantiationException {
String eventClass = IWMainApplication.decryptClassName(EncryptedEventListenerClassName);
processIWEvent(iwc, eventClass);
}
public void processApplicationEvents(IWContext iwc) throws ClassNotFoundException, IllegalAccessException, IWException,
InstantiationException {
java.util.List eventListeners = iwc.getIWMainApplication().getApplicationEventListeners();
Iterator iter = eventListeners.iterator();
while (iter.hasNext()) {
String className = (String) iter.next();
processIWEvent(iwc, className);
}
}
public boolean processAWTEvent(IWContext iwc, HttpServletRequest request, HttpServletResponse response) throws IOException,
ServletException {
String sessionAddress = iwc.getParameter(IWMainApplication.IWEventSessionAddressParameter);
if (sessionAddress != null && !"".equals(sessionAddress)) {
Object obj = iwc.getSessionAttribute(sessionAddress);
if (obj != null) {
if (obj instanceof ActiveEvent && obj instanceof AWTEvent) {
/*
* if (Page.isRequestingTopPage(iwc)) {
* __theService(request, response);
*/
//theServiceDone = true;
if (obj instanceof IWModuleEvent) {
((IWModuleEvent) obj).setIWContext(iwc);
}
/*else {
this.getPage()._setIWContext(iwc);
}*/
((ActiveEvent) obj).dispatch();
return true;
/*
* Kommenta� �t �ar til kerfi� r��ur vi� �r��i EventQueue q =
* Toolkit.getDefaultToolkit().getSystemEventQueue();
* q.postEvent((AWTEvent)obj);
*/
}
}
}
return false;
}
public void handleEvent(IWContext iwc) {
try {
// System.err.println("-------------------------------------");
// System.err.println("handleEvent begin");
String historyID = iwc.getParameter(PRM_HISTORY_ID);
if (historyID != null) {
PresentationObject[] listeners = EventLogic.getIWPOListeners(iwc);
LinkedList state = (LinkedList) iwc.getSessionAttribute(SESSION_OBJECT_STATE);
int historySize = 5;
boolean listJustConstructed = false;
// System.err.println("PresentationServelt - State = "+ state);
if (state == null) {
state = new LinkedList();
state.addLast(historyID);
state.addLast(new Hashtable());
iwc.setSessionAttribute(SESSION_OBJECT_STATE, state);
listJustConstructed = true;
}
synchronized (state) {
// System.err.println("PresentationServelt -
// !listJustConstructed = "+ !listJustConstructed);
// System.err.println("PresentationServelt -
// state.contains(historyID) = "+
// state.contains(historyID));
ListIterator iter2 = state.listIterator();
while (iter2.hasNext()) {
iter2.next();
}
if (!listJustConstructed && state.contains(historyID)) {
// go back in history
int index = state.indexOf(historyID);
int size = state.size();
for (int i = 0; i <= size - (index + 1); i++) {
state.removeLast();
}
}
if (!listJustConstructed) {
if (state.size() >= historySize * 2) {
state.removeFirst();
state.removeFirst();
}
int copyFrom = state.size() - 1;
state.addLast(iwc.getParameter(PRM_HISTORY_ID));
if (copyFrom >= 1) {
try {
state.addLast(((Hashtable) state.get(copyFrom)).clone());
} catch (Exception ex) {
ex.printStackTrace();
}
} else {
state.addLast(new Hashtable());
}
//System.err.println("PresentationServelt - checking
// stateList");
// object geta safnast upp � hasht�flunum �v� �arf a�
// fjarl�gja �au inst�ns sem ekki eru � n�ju s��unni
/**
* @todo handle pages in frames or iframes with
* different pageIds
*/
Map newStateMap = (Map) state.getLast();
//Map pageObjectInstances =
// logic.getCashedObjectInstancesForPage(iwc.getParameter(logic.IB_PAGE_PARAMETER));
Map pageObjectInstances = EventLogic.getCashedObjectInstancesForPage(this.getPage().getPageID());
//System.err.println("PresentationServelt -
// pageObjects "+pageObjectInstances + " for page
// "+this.getPage().getPageID());
Iterator iter = newStateMap.keySet().iterator();
while (iter.hasNext()) {
Object item = iter.next();
if (!((pageObjectInstances != null) && pageObjectInstances.containsKey(item))) {
//System.err.println("PresentationServelt -
// removing : "+ item);
iter.remove();
//newStateMap.remove(item);
} else {
//System.err.println("PresentationServelt -
// not removing : "+ item);
}
}
}
}
if (listeners != null && listeners.length > 0) {
PresentationObject source = EventLogic.getIWPOEventSource(iwc);
for (int i = 0; i < listeners.length; i++) {
//System.err.println("listener = " +
// listeners[i].getParentObjectInstanceID());
//System.err.println("newStateString =
// "+listeners[i].changeState(source,iwc));
String newState = listeners[i].changeState(source, iwc);
if (newState != null) {
((Hashtable) state.getLast()).put(Integer.toString(listeners[i].getParentObjectInstanceID()), newState);
} else {
((Hashtable) state.getLast()).remove(Integer.toString(listeners[i].getParentObjectInstanceID()));
}
//listeners[i].changeState(source,iwc);
}
}
}
//System.err.println("handleEvent end");
} catch (Exception ex) {
ex.printStackTrace();
}
}
public void handleLocaleParameter(IWContext iwc) {
Locale locale = iwc.getCurrentLocale();
String localeValue = iwc.getParameter(LocaleSwitcher.languageParameterString);
if (localeValue != null) {
Locale newLocale = LocaleUtil.getLocale(localeValue);
if (newLocale != null && !newLocale.equals(locale)) {
iwc.setCurrentLocale(newLocale);
}
}
//IWEventProcessor.getInstance().handleLocaleParameter(iwc);
}
public void increaseHistoryID(IWContext iwc) {
String historyIDSession = (String) iwc.getSessionAttribute(PRM_HISTORY_ID);
if (historyIDSession == null) {
historyIDSession = Integer.toString((int) (Math.random() * 1000));
iwc.setSessionAttribute(PRM_HISTORY_ID, historyIDSession);
} else {
try {
historyIDSession = Integer.toString(Integer.parseInt(historyIDSession) + 1);
iwc.setSessionAttribute(PRM_HISTORY_ID, historyIDSession);
} catch (NumberFormatException ex) {
//System.err.print("NumberformatException when trying to
// increase historyID, historyIDSession:"+historyIDSession);
historyIDSession = Integer.toString((int) (Math.random() * 1000));
iwc.setSessionAttribute(PRM_HISTORY_ID, historyIDSession);
}
}
}
public Page getPage(IWContext iwc) {
return Page.getPage(iwc);
}
public Page getPage() {
return getPage(IWContext.getInstance());
}
public void handleMultipartFormData(IWContext iwc) throws Exception {
String sep = FileUtil.getFileSeparator();
StringBuffer pathToFile = new StringBuffer();
pathToFile.append(iwc.getIWMainApplication().getApplicationRealPath());
pathToFile.append(IWCacheManager.IW_ROOT_CACHE_DIRECTORY);
pathToFile.append(sep);
pathToFile.append("upload");
pathToFile.append(sep);
FileUtil.createFolder(pathToFile.toString());
int maxSize = iwc.getRequest().getContentLength();
System.out.println("content length of request is " + maxSize + ", max size of multipart data is " + (maxSize*=1.3));
if(iwc.getRequest() instanceof MultipartWrapper){
//oreilly This ONLY supports one file
// Cast the request to a MultipartWrapper
MultipartWrapper multi = (MultipartWrapper) iwc.getRequest();
// Show which files we received
Enumeration files = multi.getFileNames();
while (files.hasMoreElements()) {
String name = (String)files.nextElement();
String fileName = multi.getFilesystemName(name);
String mimetype = multi.getContentType(name);
File f = multi.getFile(name);
if (fileName != null) {
pathToFile.append(fileName);
String filePath = pathToFile.toString();
StringBuffer webPath = new StringBuffer();
webPath.append('/');
webPath.append(IWCacheManager.IW_ROOT_CACHE_DIRECTORY);
webPath.append('/');
webPath.append("upload");
webPath.append('/');
webPath.append(fileName);
// Opera mimetype fix ( aron@idega.is )
if (mimetype != null) {
StringTokenizer tokenizer = new StringTokenizer(mimetype, " ;:");
if (tokenizer.hasMoreTokens()) {
mimetype = tokenizer.nextToken();
}
}
UploadFile file = new UploadFile(fileName, filePath, iwc.getIWMainApplication().getTranslatedURIWithContext(webPath.toString()), mimetype, - 1);
FileUtil.copyFile(f,file);
long size = f.length();
file.setSize(size);
iwc.setUploadedFile(file);
}
}
}
else if(IWMainApplication.useJSF){
//This is a hack so we don't have to add the myfaces dependency yet
FileUploadUtil.handleMyFacesMultiPartRequest(iwc);
}
else{
MultipartParser mp = new MultipartParser(iwc.getRequest(), maxSize);
/**@todo the maximum size should be flexible could just match the filesiz we have? or don't we**/
Part part;
while ((part = mp.readNextPart()) != null) {
if (part.isParam()) {
ParamPart paramPart = (ParamPart) part;
iwc.setMultipartParameter(paramPart.getName(), paramPart.getStringValue());
//System.out.println(" PARAMETERS "+paramPart.getName()+" : "+paramPart.getStringValue());
}
else if (part.isFile()) {
// it's a file part
FilePart filePart = (FilePart) part;
String fileName = filePart.getFileName();
if (fileName != null) {
pathToFile.append(fileName);
String filePath = pathToFile.toString();
StringBuffer webPath = new StringBuffer();
webPath.append('/');
webPath.append(IWCacheManager.IW_ROOT_CACHE_DIRECTORY);
webPath.append('/');
webPath.append("upload");
webPath.append('/');
webPath.append(fileName);
// Opera mimetype fix ( aron@idega.is )
String mimetype = filePart.getContentType();
if (mimetype != null) {
StringTokenizer tokenizer = new StringTokenizer(mimetype, " ;:");
if (tokenizer.hasMoreTokens()) {
mimetype = tokenizer.nextToken();
}
}
UploadFile file = new UploadFile(fileName, filePath, iwc.getIWMainApplication().getTranslatedURIWithContext(webPath.toString()), mimetype, - 1);
long size = filePart.writeTo(file);
file.setSize(size);
iwc.setUploadedFile(file);
}
}
}
}
}
}