protected Locale getLocale(HttpServletRequest request) {
String locid = request.getParameter(P_LOCALE_ID);
if (locid == null || locid.length() == 0) {
return request.getLocale();
}
StringTokenizer tokenizer = new StringTokenizer(locid, "_-");
String language = String.valueOf(tokenizer.nextToken()).toLowerCase();
String country = tokenizer.hasMoreTokens() ? tokenizer.nextToken() : null;
if (country != null) {
return new Locale(language, country.toUpperCase());
}
return new Locale(language);
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
ResourceBundle rb = ResourceBundle.getBundle("LocalStrings", request.getLocale());
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
String title = rb.getString("helloworld.title");
out.println("<title>" + title + "</title>");
out.println("</head>");
out.println("<body bgcolor=\"white\">");
// note that all links are created to be relative. this
// ensures that we can move the web application that this
// servlet belongs to to a different place in the url
// tree and not have any harmful side effects.
// XXX
// making these absolute till we work out the
// addition of a PathInfo issue
out.println("<a href=\"../helloworld.html\">");
out.println(
"<img src=\"../images/code.gif\" height=24 "
+ "width=24 align=right border=0 alt=\"view code\"></a>");
out.println("<a href=\"../index.html\">");
out.println(
"<img src=\"../images/return.gif\" height=24 "
+ "width=24 align=right border=0 alt=\"return\"></a>");
out.println("<h1>" + title + "</h1>");
out.println("</body>");
out.println("</html>");
}
public Locale getLocale() {
return request.getLocale();
}
/**
* Get Query By Form results throught response output stream.
*
* @param queryspec Name of XML file containing the Query Specification
* @param columnlist List of comma separated column names to retrieve
* @param where SQL WHERE clause to apply
* @param order by SQL ORDER BY clause to apply
* @param showas Output format. One of { "CSV" <i>(comma separated)</i>, "TSV" <i>(tabbed
* separated)</i>, "XLS" <i>(Excel)</i> }
* @throws IOException
* @throws FileNotFoundException
* @throws ServletException
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, FileNotFoundException, ServletException {
Class oDriver;
Connection oConn = null;
ServletOutputStream oOut = response.getOutputStream();
QueryByForm oQBF;
String sQuerySpec;
String sColumnList;
String sWhere;
String sOrderBy;
String sShowAs;
String sStorage;
if (DebugFile.trace) {
DebugFile.writeln("Begin HttpQueryServlet.doGet(...)");
DebugFile.incIdent();
}
sStorage = Environment.getProfileVar("hipergate", "storage");
if (DebugFile.trace) DebugFile.writeln("storage=" + sStorage);
try {
oDriver = Class.forName(jdbcDriverClassName);
} catch (ClassNotFoundException ignore) {
oDriver = null;
if (DebugFile.trace)
DebugFile.writeln("Class.forName(" + jdbcDriverClassName + ") : " + ignore.getMessage());
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Database driver not found");
}
if (null == oDriver) return;
try {
sQuerySpec = request.getParameter("queryspec");
sColumnList = request.getParameter("columnlist");
if (null == sColumnList) sColumnList = "*";
sWhere = request.getParameter("where");
if (null == sWhere) sWhere = "1=1";
sOrderBy = request.getParameter("orderby");
if (null == sOrderBy) sOrderBy = "";
sShowAs = request.getParameter("showas");
if (null == sShowAs) sShowAs = "CSV";
if (DebugFile.trace)
DebugFile.writeln("queryspec=" + sQuerySpec != null ? sQuerySpec : "null");
if (DebugFile.trace) DebugFile.writeln("where=" + sWhere);
if (DebugFile.trace) DebugFile.writeln("orderby=" + sOrderBy);
if (hasSqlSignature(sColumnList)) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST, "Invalid Column List Syntax");
return;
}
oQBF = new QueryByForm("file://" + sStorage + "/qbf/" + sQuerySpec + ".xml");
if (DebugFile.trace) DebugFile.writeln("DriverManager.getConnection(" + jdbcURL + ",...)");
oConn = DriverManager.getConnection(jdbcURL, dbUserName, dbUserPassword);
// Send some basic http headers to support binary d/l.
if (sShowAs.equalsIgnoreCase("XLS")) {
response.setContentType("application/x-msexcel");
response.setHeader(
"Content-Disposition",
"inline; filename=\"" + oQBF.getTitle(request.getLocale().getLanguage()) + " 1.csv\"");
} else if (sShowAs.equalsIgnoreCase("CSV")) {
response.setContentType("text/plain");
response.setHeader(
"Content-Disposition",
"attachment; filename=\""
+ oQBF.getTitle(request.getLocale().getLanguage())
+ " 1.csv\"");
} else if (sShowAs.equalsIgnoreCase("TSV")) {
response.setContentType("text/tab-separated-values");
response.setHeader(
"Content-Disposition",
"attachment; filename=\""
+ oQBF.getTitle(request.getLocale().getLanguage())
+ " 1.tsv\"");
} else {
response.setContentType("text/plain");
response.setHeader(
"Content-Disposition",
"inline; filename=\"" + oQBF.getTitle(request.getLocale().getLanguage()) + " 1.txt\"");
}
if (0 == sOrderBy.length())
oQBF.queryToStream(
oConn, sColumnList, oQBF.getBaseFilter(request) + " " + sWhere, oOut, sShowAs);
else
oQBF.queryToStream(
oConn,
sColumnList,
oQBF.getBaseFilter(request) + " " + sWhere + " ORDER BY " + sOrderBy,
oOut,
sShowAs);
oConn.close();
oConn = null;
oOut.flush();
} catch (SQLException e) {
if (DebugFile.trace) DebugFile.writeln("SQLException " + e.getMessage());
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
} catch (ClassNotFoundException e) {
if (DebugFile.trace) DebugFile.writeln("ClassNotFoundException " + e.getMessage());
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
} catch (IllegalAccessException e) {
if (DebugFile.trace) DebugFile.writeln("IllegalAccessException " + e.getMessage());
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
} catch (Exception e) {
if (DebugFile.trace) DebugFile.writeln("Exception " + e.getMessage());
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
} finally {
try {
if (null != oConn) if (!oConn.isClosed()) oConn.close();
} catch (SQLException e) {
if (DebugFile.trace) DebugFile.writeln("SQLException " + e.getMessage());
}
}
if (DebugFile.trace) {
DebugFile.decIdent();
DebugFile.writeln("End HttpQueryServlet.doGet()");
}
} // doGet()
