org.xins.server.frontend.ErrorResult Maven / Gradle / Ivy
/*
* $Id: ErrorResult.java,v 1.6 2010/09/29 17:21:48 agoubard Exp $
*
* See the COPYRIGHT file for redistribution and use restrictions.
*/
package org.xins.server.frontend;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.io.PrintWriter;
import java.io.StringWriter;
import javax.servlet.http.HttpServletRequest;
import javax.xml.transform.SourceLocator;
import javax.xml.transform.TransformerException;
import org.xins.common.text.TextUtils;
import org.xins.server.FunctionResult;
/**
* Result for an error.
*
* @version $Revision: 1.6 $ $Date: 2010/09/29 17:21:48 $
* @author Anthony Goubard
*/
class ErrorResult extends FunctionResult {
private static SimpleDateFormat ERROR_DATE_FORMATTER = new SimpleDateFormat("yyyy.MM.dd',' HH:mm:ss ");
/**
* Creates the result for a transformation error.
*
* @param exception
* the exception during the transformation, cannot be null.
*
* @param httpRequest
* the HTTP request, cannot be null.
*/
ErrorResult(Exception exception, HttpServletRequest httpRequest) {
param("error.type", "TechnicalError");
param("error.message", exception.getMessage());
StringWriter stWriter = new StringWriter(360);
PrintWriter printWriter = new PrintWriter(stWriter);
exception.printStackTrace(printWriter);
String stackTrace = stWriter.toString();
param("error.stacktrace", stackTrace);
String timeOfFailure = ERROR_DATE_FORMATTER.format(new Date());
param("error.time", timeOfFailure);
if (exception instanceof TransformerException) {
TransformerException tex = (TransformerException) exception;
SourceLocator locator = tex.getLocator();
if (locator != null) {
int line = locator.getLineNumber();
int col = locator.getColumnNumber();
String publicId = locator.getPublicId();
String systemId = locator.getSystemId();
String detail = "line: " + line + "; col: " + col +
"; public ID: " + publicId + "; system ID: " + systemId;
param("error.location", detail);
}
}
String command = httpRequest.getParameter("command");
if (!TextUtils.isEmpty(command)) {
param("error.command", command);
}
String action = httpRequest.getParameter("action");
if (!TextUtils.isEmpty(action)) {
param("error.action", action);
}
String query = httpRequest.getQueryString();
if (!TextUtils.isEmpty(query)) {
param("error.query", query);
}
}
/**
* Return the XSLT to use to display the data of the Control command.
*
* @return
* the XSLT to display the Control result, never null.
*/
static String getDefaultErrorTemplate() {
String result = "\n" +
"\n" +
"\n" +
"\n" +
"\n" +
"\n" +
"A technical error occured\n" +
"
\n" +
"Command
\n" +
"\n" +
" with the \n" +
" action. \n" +
" \n" +
"Request
\n" +
"Error message
\n" +
"\n" +
"Error location
\n" +
" \n" +
"Error details
\n" +
"\n" +
"\n" +
"\n" +
"\n" +
" \n" +
" ";
return result;
}
}