/**
* Calculate and return an absolute pathname to the XML file to contain our persistent storage
* information.
*
* @exception Exception if an input/output error occurs
*/
private String calculatePath() throws Exception {
// Can we access the database via file I/O?
String path = servlet.getServletContext().getRealPath(pathname);
if (path != null) {
return (path);
}
// Does a copy of this file already exist in our temporary directory
File dir = (File) servlet.getServletContext().getAttribute("javax.servlet.context.tempdir");
File file = new File(dir, "struts-example-database.xml");
if (file.exists()) {
return (file.getAbsolutePath());
}
// Copy the static resource to a temporary file and return its path
InputStream is = servlet.getServletContext().getResourceAsStream(pathname);
BufferedInputStream bis = new BufferedInputStream(is, 1024);
FileOutputStream os = new FileOutputStream(file);
BufferedOutputStream bos = new BufferedOutputStream(os, 1024);
byte buffer[] = new byte[1024];
while (true) {
int n = bis.read(buffer);
if (n <= 0) {
break;
}
bos.write(buffer, 0, n);
}
bos.close();
bis.close();
return (file.getAbsolutePath());
}
/** 根据选择的图形类型设置图形属性 */
private void showTypeResult() {
if ("line".equals(showType)) {
if ("bydate".equals(statType)) {
picType = GetProperty.getProperties("pic.timeseries", servlet.getServletContext());
} else {
picType = GetProperty.getProperties("pic.line", servlet.getServletContext());
}
showOutLine = false;
} else if ("bar".equals(showType)) {
picType = GetProperty.getProperties("pic.bar", servlet.getServletContext());
showOutLine = true;
} else if ("stack".equals(showType)) {
picType = GetProperty.getProperties("pic.stack", servlet.getServletContext());
showOutLine = true;
}
}
public void setServlet(ActionServlet actionServlet) {
super.setServlet(actionServlet);
ServletContext servletContext = actionServlet.getServletContext();
WebApplicationContext wac =
WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
this.petStore = (PetStoreFacade) wac.getBean("petStore");
}
/** Initializes Hibernate with the config file found at <code>configFilePath</code>. */
private void initHibernate() throws ServletException {
Configuration configuration = null;
URL configFileURL = null;
ServletContext context = null;
try {
configFileURL = HibernatePlugIn.class.getResource(_configFilePath);
context = _servlet.getServletContext();
if (_log.isDebugEnabled()) {
_log.debug("Initializing Hibernate from " + _configFilePath + "...");
}
configuration = (new Configuration()).configure(configFileURL);
_factory = configuration.buildSessionFactory();
if (_storedInServletContext) {
_log.debug("Storing SessionFactory in ServletContext...");
context.setAttribute(SESSION_FACTORY_KEY, _factory);
}
} catch (Throwable t) {
_log.error("Exception while initializing Hibernate.");
_log.error("Rethrowing exception...", t);
throw (new ServletException(t));
}
}
private void setInit(HttpServletRequest request) {
HttpSession session = request.getSession();
if ("bydate".equals(statType)) {
beginDate = DateUtil.reFormatTime(request.getParameter("begindate"));
endDate = DateUtil.reFormatTime(request.getParameter("enddate"));
session.setAttribute("begindate45d", request.getParameter("begindate"));
session.setAttribute("enddate45d", request.getParameter("enddate"));
session.setAttribute("querytype45", "0");
statTypeShow = GetProperty.getProperties("title.date", servlet.getServletContext());
dateRange
.append(GetProperty.getProperties("query.show.date", servlet.getServletContext()))
.append(beginDate)
.append("-")
.append(endDate);
} else if ("bymonth".equals(statType)) {
beginDate = DateUtil.getMonth(request.getParameter("begindate"));
endDate = DateUtil.getMonth(request.getParameter("enddate"));
session.setAttribute("begindate45m", request.getParameter("begindate"));
session.setAttribute("enddate45m", request.getParameter("enddate"));
session.setAttribute("querytype45", "1");
statTypeShow = GetProperty.getProperties("title.month", this.servlet.getServletContext());
dateRange
.append(GetProperty.getProperties("query.show.month", servlet.getServletContext()))
.append(beginDate)
.append("-")
.append(endDate);
} else if ("byweek".equals(statType)) {
beginDate = DateUtil.reFormatTime(request.getParameter("begindate"));
endDate = DateUtil.reFormatTime(request.getParameter("enddate"));
session.setAttribute("begindate45w", request.getParameter("begindate"));
session.setAttribute("enddate45w", request.getParameter("enddate"));
session.setAttribute("querytype45", "2");
// beginWeek = DateUtilExtend.getWeek(beginDate);
// endWeek = DateUtilExtend.getWeek(endDate);
statTypeShow = GetProperty.getProperties("title.week", servlet.getServletContext());
dateRange
.append(GetProperty.getProperties("query.show.week", servlet.getServletContext()))
.append(beginDate)
.append("-")
.append(endDate);
}
}
/**
* Gracefully shut down this database, releasing any resources that were allocated at
* initialization.
*/
public void destroy() {
log.info("Finalizing memory database plug in");
if (database != null) {
try {
database.close();
} catch (Exception e) {
log.error("Closing memory database", e);
}
}
servlet.getServletContext().removeAttribute(Constants.DATABASE_KEY);
database = null;
servlet = null;
database = null;
}
/* (non-Javadoc)
* @see org.apache.struts.action.PlugIn#init(org.apache.struts.action.ActionServlet, org.apache.struts.config.ModuleConfig)
*/
public void init(ActionServlet servlet, ModuleConfig config) throws ServletException {
String absoltuePath = (servlet.getServletContext()).getRealPath("/");
String prefix = config.getPrefix();
String path = absoltuePath + prefix + confPath;
InputStream is = null;
try {
is = new FileInputStream(path);
} catch (FileNotFoundException e) {
throw new ServletException("Cannot found or open the file : " + path);
}
// Import preference data
try {
Preferences.importPreferences(is);
} catch (InvalidPreferencesFormatException e) {
System.err.println("InvalidPreferencesFormatException in PlugIn PrefsPlugin : " + e);
} catch (IOException e) {
System.err.println("IOException in PlugIn PrefsPlugin : " + e);
}
}
/**
* Initialize and load our initial database from persistent storage.
*
* @param servlet The ActionServlet for this web application
* @param config The ApplicationConfig for our owning module
* @exception ServletException if we cannot configure ourselves correctly
*/
public void init(ActionServlet servlet, ModuleConfig config) throws ServletException {
log.info("Initializing memory database plug in from '" + pathname + "'");
// Remember our associated configuration and servlet
this.servlet = servlet;
// Construct a new database and make it available
database = new MemoryUserDatabase();
try {
String path = calculatePath();
if (log.isDebugEnabled()) {
log.debug(" Loading database from '" + path + "'");
}
database.setPathname(path);
database.open();
} catch (Exception e) {
log.error("Opening memory database", e);
throw new ServletException("Cannot load database from '" + pathname + "'", e);
}
// Make the initialized database available
servlet.getServletContext().setAttribute(Constants.DATABASE_KEY, database);
}