Example usage for javax.servlet ServletContext getResourceAsStream

List of usage examples for javax.servlet ServletContext getResourceAsStream

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Introduction

In this page you can find the example usage for javax.servlet ServletContext getResourceAsStream.

Prototype

public InputStream getResourceAsStream(String path);

Source Link

Document

Returns the resource located at the named path as an InputStream object.

Usage

From source file:axiom.servlet.AbstractServletClient.java

/**
 * Forward the request to a static file. The file must be reachable via
 * the context's protectedStatic resource base.
 *///from   w  ww. j a v a 2  s  . com
void sendForward(HttpServletResponse res, HttpServletRequest req, ResponseTrans axiomres) throws IOException {
    String forward = axiomres.getForward();
    ServletContext cx = getServletConfig().getServletContext();
    String path = cx.getRealPath(forward);
    if (path == null)
        throw new IOException("Resource " + forward + " not found");

    File file = new File(path);
    // calculate checksom on last modified date and content length.
    byte[] checksum = getChecksum(file);
    String etag = "\"" + new String(Base64.encode(checksum)) + "\"";
    res.setHeader("ETag", etag);
    String etagHeader = req.getHeader("If-None-Match");
    if (etagHeader != null) {
        StringTokenizer st = new StringTokenizer(etagHeader, ", \r\n");
        while (st.hasMoreTokens()) {
            if (etag.equals(st.nextToken())) {
                res.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
                return;
            }
        }
    }
    int length = (int) file.length();
    res.setContentLength(length);
    res.setContentType(axiomres.getContentType());

    InputStream in = cx.getResourceAsStream(forward);
    if (in == null)
        throw new IOException("Can't read " + path);
    try {
        OutputStream out = res.getOutputStream();

        int bufferSize = 4096;
        byte buffer[] = new byte[bufferSize];
        int l;

        while (length > 0) {
            if (length < bufferSize)
                l = in.read(buffer, 0, length);
            else
                l = in.read(buffer, 0, bufferSize);

            if (l == -1)
                break;

            length -= l;
            out.write(buffer, 0, l);
        }
    } finally {
        in.close();
    }
}

From source file:org.musicrecital.webapp.listener.StartupListener.java

/**
 * {@inheritDoc}/*from   w  w w.ja v a  2  s.  c o m*/
 */
@SuppressWarnings("unchecked")
public void contextInitialized(ServletContextEvent event) {
    log.debug("Initializing context...");

    ServletContext context = event.getServletContext();

    // Orion starts Servlets before Listeners, so check if the config
    // object already exists
    Map<String, Object> config = (HashMap<String, Object>) context.getAttribute(Constants.CONFIG);

    if (config == null) {
        config = new HashMap<String, Object>();
    }

    ApplicationContext ctx = WebApplicationContextUtils.getRequiredWebApplicationContext(context);

    PasswordEncoder passwordEncoder = null;
    try {
        ProviderManager provider = (ProviderManager) ctx
                .getBean("org.springframework.security.authentication.ProviderManager#0");
        for (Object o : provider.getProviders()) {
            AuthenticationProvider p = (AuthenticationProvider) o;
            if (p instanceof RememberMeAuthenticationProvider) {
                config.put("rememberMeEnabled", Boolean.TRUE);
            } else if (ctx.getBean("passwordEncoder") != null) {
                passwordEncoder = (PasswordEncoder) ctx.getBean("passwordEncoder");
            }
        }
    } catch (NoSuchBeanDefinitionException n) {
        log.debug("authenticationManager bean not found, assuming test and ignoring...");
        // ignore, should only happen when testing
    }

    context.setAttribute(Constants.CONFIG, config);

    // output the retrieved values for the Init and Context Parameters
    if (log.isDebugEnabled()) {
        log.debug("Remember Me Enabled? " + config.get("rememberMeEnabled"));
        if (passwordEncoder != null) {
            log.debug("Password Encoder: " + passwordEncoder.getClass().getSimpleName());
        }
        log.debug("Populating drop-downs...");
    }

    setupContext(context);

    // Determine version number for CSS and JS Assets
    String appVersion = null;
    try {
        InputStream is = context.getResourceAsStream("/META-INF/MANIFEST.MF");
        if (is == null) {
            log.warn("META-INF/MANIFEST.MF not found.");
        } else {
            Manifest mf = new Manifest();
            mf.read(is);
            Attributes atts = mf.getMainAttributes();
            appVersion = atts.getValue("Implementation-Version");
        }
    } catch (IOException e) {
        log.error("I/O Exception reading manifest: " + e.getMessage());
    }

    // If there was a build number defined in the war, then use it for
    // the cache buster. Otherwise, assume we are in development mode
    // and use a random cache buster so developers don't have to clear
    // their browser cache.
    if (appVersion == null || appVersion.contains("SNAPSHOT")) {
        appVersion = "" + new Random().nextInt(100000);
    }

    log.info("Application version set to: " + appVersion);
    context.setAttribute(Constants.ASSETS_VERSION, appVersion);
}

From source file:org.apache.click.util.ClickUtils.java

/**
 * Return the InputStream for the Click configuration file <tt>click.xml</tt>.
 * This method will first lookup the <tt>click.xml</tt> under the
 * applications <tt>WEB-INF</tt> directory, and then if not found it will
 * attempt to find the configuration file on the classpath root.
 *
 * @param servletContext the servlet context to obtain the Click configuration
 *     from/*from  w w  w.j  av  a  2 s . c o m*/
 * @return the InputStream for the Click configuration file
 * @throws RuntimeException if the resource could not be found
 */
public static InputStream getClickConfig(ServletContext servletContext) {
    InputStream inputStream = servletContext.getResourceAsStream(DEFAULT_APP_CONFIG);

    if (inputStream == null) {
        inputStream = ClickUtils.getResourceAsStream("/click.xml", ClickUtils.class);
        if (inputStream == null) {
            String msg = "could not find click app configuration file: " + DEFAULT_APP_CONFIG
                    + " or click.xml on classpath";
            throw new RuntimeException(msg);
        }
    }

    return inputStream;
}

From source file:edu.mit.csail.sls.wami.portal.xmlrpc.XmlRpcPortalRecognizer.java

public void setParameters(ServletContext sc, Map<String, String> map) throws RecognizerException {
    this.sc = sc;
    String recDomain = (String) sc.getAttribute("recDomain");
    String developerEmail = map.get("developerEmail");
    String developerKey = map.get("developerKey");
    String recordFormat = map.get("recordFormat");
    int recordSampleRate = Integer.parseInt(map.get("recordSampleRate"));
    boolean recordIsLittleEndian = Boolean.parseBoolean(map.get("recordIsLittleEndian"));
    String incrementalResultsStr = map.get("incrementalResults");
    incrementalResults = (incrementalResultsStr == null || Boolean.parseBoolean(incrementalResultsStr));

    serverAddress = null;/*from ww  w.  java2  s .  c  o m*/
    try {
        serverAddress = new URL(map.get("url"));
    } catch (MalformedURLException e) {
        throw new RecognizerException("Invalid recognizer url", e);
    }

    XmlRpcClientConfig config = createClientConfig(serverAddress, 10 * 1000, 10 * 1000);
    client = new XmlRpcClient();

    XmlRpcCommonsTransportFactory factory = new XmlRpcCommonsTransportFactory(client);

    // Use HTTP 1.1
    HttpClient httpClient = new HttpClient();
    httpClient.getParams().setParameter(HttpMethodParams.PROTOCOL_VERSION, HttpVersion.HTTP_1_1);
    factory.setHttpClient(httpClient);

    client.setTransportFactory(factory);
    client.setConfig(config);

    Object[] createParams = { developerEmail, developerKey, recordFormat, recordSampleRate,
            recordIsLittleEndian, recDomain };

    try {
        sessionId = (String) client.execute("Portal.createRecognizerSession", createParams);
    } catch (XmlRpcException e) {
        if (e.code == ErrorCodes.SERVER_ERROR_CODE) {
            throw new RecognizerException(e);
        } else {
            throw new RecognizerUnreachableException(e);
        }
    }

    String jsgfGrammarPath = map.get("jsgfGrammarPath");
    String jsgfGrammarLanguage = map.get("jsgfGrammarLanguage");
    if (jsgfGrammarPath != null) {
        InputStream in = sc.getResourceAsStream(jsgfGrammarPath);
        if (in == null) {
            throw new RecognizerException("Couldn't find grammar: " + jsgfGrammarPath);
        }

        String language = (jsgfGrammarLanguage != null) ? jsgfGrammarLanguage : "en-us";

        try {
            JsgfGrammar grammar = new JsgfGrammar(in, language);
            setLanguageModel(grammar);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:org.eclipse.birt.report.utility.ParameterAccessor.java

/**
 * Returns the application properties//  www . j  av  a2  s. c  o m
 * 
 * @param context
 * @param props
 * @return
 */
public synchronized static Map initViewerProps(ServletContext context, Map props) {
    // initialize map
    if (props == null)
        props = new HashMap();

    // get config file
    String file = context.getInitParameter(INIT_PARAM_CONFIG_FILE);
    if (file == null || file.trim().length() <= 0)
        file = IBirtConstants.DEFAULT_VIEWER_CONFIG_FILE;

    try {

        InputStream is = null;
        if (isRelativePath(file)) {
            // realtive path
            if (!file.startsWith("/")) //$NON-NLS-1$
                file = "/" + file; //$NON-NLS-1$

            is = context.getResourceAsStream(file);
        } else {
            // absolute path
            is = new FileInputStream(file);
        }

        // parse the properties file
        PropertyResourceBundle bundle = new PropertyResourceBundle(is);
        if (bundle != null) {
            Enumeration<String> keys = bundle.getKeys();
            while (keys != null && keys.hasMoreElements()) {
                String key = keys.nextElement();
                String value = (String) bundle.getObject(key);
                if (key != null && value != null)
                    props.put(key, value);
            }
        }
    } catch (Exception e) {
    }

    return props;
}

From source file:com.tremolosecurity.scale.config.ScaleCommonConfig.java

@PostConstruct
public void init() {
    try {/*www . j a v a2s . c  o  m*/
        ServletContext context = (ServletContext) FacesContext.getCurrentInstance().getExternalContext()
                .getContext();

        String logPath = null;

        try {
            logPath = InitialContext.doLookup("java:comp/env/scaleLog4jPath");
        } catch (NamingException ne) {
            try {
                logPath = InitialContext.doLookup("java:/env/scaleLog4jPath");
            } catch (NamingException ne2) {
                logPath = null;
            }
        }
        if (logPath == null) {
            Properties props = new Properties();
            props.put("log4j.rootLogger", "info,console");

            //props.put("log4j.appender.console","org.apache.log4j.RollingFileAppender");
            //props.put("log4j.appender.console.File","/home/mlb/myvd.log");
            props.put("log4j.appender.console", "org.apache.log4j.ConsoleAppender");
            props.put("log4j.appender.console.layout", "org.apache.log4j.PatternLayout");
            props.put("log4j.appender.console.layout.ConversionPattern", "[%d][%t] %-5p %c{1} - %m%n");

            PropertyConfigurator.configure(props);
        } else {

            if (logPath.startsWith("WEB-INF/")) {
                org.apache.log4j.xml.DOMConfigurator.configure(context.getRealPath(logPath));
            } else {
                org.apache.log4j.xml.DOMConfigurator.configure(logPath);
            }

        }

        logger = Logger.getLogger(ScaleCommonConfig.class.getName());

        logger.info("Initializing Scale " + version);

        String configPath = null;

        try {
            configPath = InitialContext.doLookup("java:comp/env/scaleConfigPath");
        } catch (NamingException ne) {
            try {
                configPath = InitialContext.doLookup("java:/env/scaleConfigPath");
            } catch (NamingException ne2) {
                configPath = null;
            }

        }

        if (configPath == null) {
            configPath = "WEB-INF/scaleConfig.xml";
            logger.warn("No configuraiton path found - Loading configuration from '" + configPath + "'");
        } else {
            logger.info("Loading configuration from '" + configPath + "'");
        }

        InputStream in = null;

        if (configPath.startsWith("WEB-INF")) {

            in = new ByteArrayInputStream(ScaleCommonConfig
                    .includeEnvironmentVariables(context.getRealPath("/" + configPath)).getBytes("UTF-8"));

        } else {
            in = new ByteArrayInputStream(
                    ScaleCommonConfig.includeEnvironmentVariables(configPath).getBytes("UTF-8"));
        }

        JAXBContext jc = JAXBContext.newInstance("com.tremolosecurity.scale.config.xml");
        Unmarshaller unmarshaller = jc.createUnmarshaller();

        Object obj = unmarshaller.unmarshal(in);

        JAXBElement<ScaleCommonConfigType> scaleConfig = (JAXBElement<ScaleCommonConfigType>) obj;

        this.scaleConfig = scaleConfig.getValue();

        String ksPath = this.scaleConfig.getServiceConfiguration().getKeyStorePath();
        String ksPass = this.scaleConfig.getServiceConfiguration().getKeyStorePassword();

        in = null;

        if (ksPath.startsWith("WEB-INF")) {
            in = context.getResourceAsStream("/" + ksPath);
        } else {
            in = new FileInputStream(ksPath);
        }

        this.tlsKeys = KeyStore.getInstance("JKS");
        this.tlsKeys.load(in, ksPass.toCharArray());

        this.sslctx = SSLContexts.custom().loadTrustMaterial(this.tlsKeys)
                .loadKeyMaterial(this.tlsKeys, ksPass.toCharArray()).build();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:be.ff.gui.web.struts.action.ActionPlugInPlugIn.java

/**
 * Loads and verifies (using a DTD) the action plug-in configuration file. Afterwards this
 * method initializes the <code>ActionPlugInChain</code>.
 *
 * @param config ApplicationConfig for the sub-application with which this plug in is associated
 * @exception ServletException if this <code>PlugIn</code> cannot be successfully initialized
 *///from  w ww.jav  a  2s .  c  o m
public void init(ActionServlet config, ModuleConfig module) throws ServletException {
    if (ActionPlugInChain.foiInicializado()) {
        if (log.isDebugEnabled()) {
            log.debug("O ActionPlugInPlugIn j foi inicializado anteriormente. Ignorando.");
        }
        return;
    }

    if (log.isDebugEnabled()) {
        log.debug("Entrada no mtodo");
    }

    // this value object will hold the values specified in the action plug-in config file
    ActionPlugInChainDefinition chainDefintion = new ActionPlugInChainDefinition();

    // create a digester to scan through the action plug-in config file
    Digester digester = new Digester();
    digester.push(chainDefintion);

    // try to find a local DTD to validate the configuration file
    ServletContext context = config.getServletContext();
    if (getConfigDTD() == null) {
        String msg = "[ActionPlugInPlugIn::init] Please specify a valid context relative location of "
                + "the DTD for the action plug-in configuration file. Do this in the Struts configuration "
                + "file at the plug-in tag that initializes the Action Plug-in Extension.";
        log.warn(msg);
        digester.setValidating(false);
        // Although set to false the SAX based parser STILL wants to load the publicly
        // available DTD that is specified in the XML file!! This causes an error on
        // times when the DTD at the specified location is not available.
        // Why doesn't this statement turn this of????
    } else {
        URL dtdURL = null;
        try {
            dtdURL = context.getResource(getConfigDTD());
            if (dtdURL == null) {
                String msg = "[ActionPlugInPlugIn::init] The action plug-in configuration DTD was not found at the "
                        + "context relative location '" + getConfigDTD()
                        + "'. Please make sure that this DTD is available at "
                        + "a context relative location, because the system identifier that is specified in the "
                        + "configuration file might not be accessible.";
                log.warn(msg);
                digester.setValidating(false);
                // Although set to false the SAX based parser STILL wants to load the publicly
                // available DTD that is specified in the XML file!! This causes an error on
                // times when the DTD at the specified location is not available.
                // Why doesn't this statement turn this of????
            } else {
                digester.register(DOCTYPE_PUBLIC_ID, dtdURL.toString());
                digester.setValidating(true);
            }
        } catch (MalformedURLException e) {
            String msg = "[ActionPlugInPlugIn::init] The location of the DTD for the action plug-in configuration file was "
                    + "invalid:'" + getConfigDTD()
                    + "'. Please specify a valid context relative location for the DTD.";
            log.warn(msg);
            digester.setValidating(false);
            // Although set to false the SAX based parser STILL wants to load the publicly
            // available DTD that is specified in the XML file!! This causes an error on
            // times when the DTD at the specified location is not available.
            // Why doesn't this statement turn this of????
        }
    }

    // add rules
    digester.addObjectCreate("action-plug-in-config/action-plug-in", ActionPlugInDefinition.class);
    digester.addSetNext("action-plug-in-config/action-plug-in", "addActionPlugInDefintion",
            ActionPlugInDefinition.class.getName());
    digester.addCallMethod("action-plug-in-config/action-plug-in/class", "setClassName", 0);
    digester.addCallMethod("action-plug-in-config/action-plug-in/init-params/param", "addInitParam", 2);
    digester.addCallParam("action-plug-in-config/action-plug-in/init-params/param/name", 0);
    digester.addCallParam("action-plug-in-config/action-plug-in/init-params/param/value", 1);
    digester.addCallMethod("action-plug-in-config/action-plug-in/disabled-for/action-path",
            "addDisabledActionPath", 0);
    digester.addCallMethod("action-plug-in-config/action-plug-in/enabled-for/action-path",
            "addEnabledActionPath", 0);

    // point to the XML file
    InputStream input = context.getResourceAsStream(getConfigFile());
    if (input == null) {
        String msg = "[ActionPlugInPlugIn::init] The action plug-in configuration file was not found "
                + "at location '" + getConfigFile() + "'. Please make sure that you have specified "
                + "the correct value for the 'configFile' property of the action plug-in Struts "
                + "plug-in that is defined in struts-config.xml. Please note that this path is Web "
                + "application context relative.";
        throw new ServletException(msg);
    }

    // run the digester
    try {
        digester.parse(new BufferedInputStream(input));
    } catch (Exception e) {
        String msg = "[ActionPlugInPlugIn::init] An exception was thrown during the parsing of the "
                + "action plug-in configuration file (" + getConfigFile() + "). Make sure that "
                + "the configuration file refers to a DTD and that its content is valid according to "
                + "that DTD.";
        throw new ServletException(msg, e);
    } finally {
        if (input != null) {
            try {
                input.close();
            } catch (IOException e) {
                log.error(
                        "[ActionPlugInPlugIn::init] An IOException was thrown while trying to close the input stream of the action plug-in configuration file.",
                        e);
            }
        }
    }

    // ask the action plug-in chain to initialize itself
    ActionPlugInChain.init(chainDefintion, context);
}

From source file:org.codehaus.groovy.grails.web.errors.GrailsWrappedRuntimeException.java

/**
 * @param servletContext The ServletContext instance
 * @param t The exception that was thrown
 *///from  w w  w . j av a  2 s . com
public GrailsWrappedRuntimeException(ServletContext servletContext, Throwable t) {
    super(t.getMessage(), t);
    cause = t;
    FastStringPrintWriter pw = FastStringPrintWriter.newInstance();
    cause.printStackTrace(pw);
    stackTrace = pw.toString();

    while (cause.getCause() != cause) {
        if (cause.getCause() == null) {
            break;
        }
        cause = cause.getCause();
    }

    stackTraceLines = stackTrace.split("\\n");

    if (cause instanceof MultipleCompilationErrorsException) {
        MultipleCompilationErrorsException mcee = (MultipleCompilationErrorsException) cause;
        Object message = mcee.getErrorCollector().getErrors().iterator().next();
        if (message instanceof SyntaxErrorMessage) {
            SyntaxErrorMessage sem = (SyntaxErrorMessage) message;
            lineNumber = sem.getCause().getLine();
            className = sem.getCause().getSourceLocator();
            sem.write(pw);
        }
    } else {
        Matcher m1 = PARSE_DETAILS_STEP1.matcher(stackTrace);
        Matcher m2 = PARSE_DETAILS_STEP2.matcher(stackTrace);
        Matcher gsp = PARSE_GSP_DETAILS_STEP1.matcher(stackTrace);
        try {
            if (gsp.find()) {
                className = gsp.group(2);
                lineNumber = Integer.parseInt(gsp.group(3));
                gspFile = URL_PREFIX + "views/" + gsp.group(1) + '/' + className;
            } else {
                if (m1.find()) {
                    do {
                        className = m1.group(1);
                        lineNumber = Integer.parseInt(m1.group(2));
                    } while (m1.find());
                } else {
                    while (m2.find()) {
                        className = m2.group(1);
                        lineNumber = Integer.parseInt(m2.group(2));
                    }
                }
            }
        } catch (NumberFormatException nfex) {
            // ignore
        }
    }

    LineNumberReader reader = null;
    try {
        checkIfSourceCodeAware(t);
        checkIfSourceCodeAware(cause);

        if (getLineNumber() > -1) {
            String fileLocation;
            String url = null;

            if (fileName != null) {
                fileLocation = fileName;
            } else {
                String urlPrefix = "";
                if (gspFile == null) {
                    fileName = className.replace('.', '/') + ".groovy";

                    GrailsApplication application = WebApplicationContextUtils
                            .getRequiredWebApplicationContext(servletContext)
                            .getBean(GrailsApplication.APPLICATION_ID, GrailsApplication.class);
                    // @todo Refactor this to get the urlPrefix from the ArtefactHandler
                    if (application.isArtefactOfType(ControllerArtefactHandler.TYPE, className)) {
                        urlPrefix += "/controllers/";
                    } else if (application.isArtefactOfType(TagLibArtefactHandler.TYPE, className)) {
                        urlPrefix += "/taglib/";
                    } else if (application.isArtefactOfType(ServiceArtefactHandler.TYPE, className)) {
                        urlPrefix += "/services/";
                    }
                    url = URL_PREFIX + urlPrefix + fileName;
                } else {
                    url = gspFile;
                    GrailsApplicationAttributes attrs = new DefaultGrailsApplicationAttributes(servletContext);
                    GroovyPagesTemplateEngine engine = attrs.getPagesTemplateEngine();
                    int[] lineNumbers = engine.calculateLineNumbersForPage(servletContext, url);
                    if (lineNumber < lineNumbers.length) {
                        lineNumber = lineNumbers[lineNumber - 1];
                    }
                }
                fileLocation = "grails-app" + urlPrefix + fileName;
            }

            InputStream in = null;
            if (!StringUtils.isBlank(url)) {
                in = servletContext.getResourceAsStream(url);
                LOG.debug("Attempting to display code snippet found in url " + url);
            }
            if (in == null) {
                Resource r = null;
                try {
                    r = resolver.getResource(fileLocation);
                    in = r.getInputStream();
                } catch (Throwable e) {
                    r = resolver.getResource("file:" + fileLocation);
                    if (r.exists()) {
                        try {
                            in = r.getInputStream();
                        } catch (IOException e1) {
                            // ignore
                        }
                    }
                }
            }

            if (in != null) {
                reader = new LineNumberReader(new InputStreamReader(in));
                String currentLine = reader.readLine();
                StringBuilder buf = new StringBuilder();
                while (currentLine != null) {
                    int currentLineNumber = reader.getLineNumber();
                    if ((lineNumber > 0 && currentLineNumber == lineNumber - 1)
                            || (currentLineNumber == lineNumber)) {
                        buf.append(currentLineNumber).append(": ").append(currentLine).append("\n");
                    } else if (currentLineNumber == lineNumber + 1) {
                        buf.append(currentLineNumber).append(": ").append(currentLine);
                        break;
                    }
                    currentLine = reader.readLine();
                }
                codeSnippet = buf.toString().split("\n");
            }
        }
    } catch (IOException e) {
        LOG.warn("[GrailsWrappedRuntimeException] I/O error reading line diagnostics: " + e.getMessage(), e);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                // ignore
            }
        }
    }
}

From source file:edu.ucsd.library.dams.api.DAMSAPIServlet.java

private Set<String> loadSet(ServletContext context, String resourcePath) {
    Set<String> set = new HashSet<>();
    try {/*from w ww . ja v  a2  s  . c om*/
        InputStream in = context.getResourceAsStream(resourcePath);
        BufferedReader buf = new BufferedReader(new InputStreamReader(in));
        for (String line = null; (line = buf.readLine()) != null;) {
            set.add(line);
        }
        return set;
    } catch (Exception ex) {
        log.error("Error loading set from " + resourcePath, ex);
        return null;
    }
}

From source file:org.grails.web.errors.GrailsWrappedRuntimeException.java

/**
 * @param servletContext The ServletContext instance
 * @param t The exception that was thrown
 *//*from  w  ww . j a v  a  2 s . c om*/
public GrailsWrappedRuntimeException(ServletContext servletContext, Throwable t) {
    super(t.getMessage(), t);
    this.cause = t;
    Throwable cause = t;

    FastStringPrintWriter pw = FastStringPrintWriter.newInstance();
    cause.printStackTrace(pw);
    stackTrace = pw.toString();

    while (cause.getCause() != cause) {
        if (cause.getCause() == null) {
            break;
        }
        cause = cause.getCause();
    }

    stackTraceLines = stackTrace.split("\\n");

    if (cause instanceof MultipleCompilationErrorsException) {
        MultipleCompilationErrorsException mcee = (MultipleCompilationErrorsException) cause;
        Object message = mcee.getErrorCollector().getErrors().iterator().next();
        if (message instanceof SyntaxErrorMessage) {
            SyntaxErrorMessage sem = (SyntaxErrorMessage) message;
            lineNumber = sem.getCause().getLine();
            className = sem.getCause().getSourceLocator();
            sem.write(pw);
        }
    } else {
        Matcher m1 = PARSE_DETAILS_STEP1.matcher(stackTrace);
        Matcher m2 = PARSE_DETAILS_STEP2.matcher(stackTrace);
        Matcher gsp = PARSE_GSP_DETAILS_STEP1.matcher(stackTrace);
        try {
            if (gsp.find()) {
                className = gsp.group(2);
                lineNumber = Integer.parseInt(gsp.group(3));
                gspFile = URL_PREFIX + "views/" + gsp.group(1) + '/' + className;
            } else {
                if (m1.find()) {
                    do {
                        className = m1.group(1);
                        lineNumber = Integer.parseInt(m1.group(2));
                    } while (m1.find());
                } else {
                    while (m2.find()) {
                        className = m2.group(1);
                        lineNumber = Integer.parseInt(m2.group(2));
                    }
                }
            }
        } catch (NumberFormatException nfex) {
            // ignore
        }
    }

    LineNumberReader reader = null;
    try {
        checkIfSourceCodeAware(t);
        checkIfSourceCodeAware(cause);

        if (getLineNumber() > -1) {
            String fileLocation;
            String url = null;

            if (fileName != null) {
                fileLocation = fileName;
            } else {
                String urlPrefix = "";
                if (gspFile == null) {
                    fileName = className.replace('.', '/') + ".groovy";

                    GrailsApplication application = WebApplicationContextUtils
                            .getRequiredWebApplicationContext(servletContext)
                            .getBean(GrailsApplication.APPLICATION_ID, GrailsApplication.class);
                    // @todo Refactor this to get the urlPrefix from the ArtefactHandler
                    if (application.isArtefactOfType(ControllerArtefactHandler.TYPE, className)) {
                        urlPrefix += "/controllers/";
                    } else if (application.isArtefactOfType(TagLibArtefactHandler.TYPE, className)) {
                        urlPrefix += "/taglib/";
                    } else if (application.isArtefactOfType(ServiceArtefactHandler.TYPE, className)) {
                        urlPrefix += "/services/";
                    }
                    url = URL_PREFIX + urlPrefix + fileName;
                } else {
                    url = gspFile;
                    GrailsApplicationAttributes attrs = null;
                    try {
                        attrs = grailsApplicationAttributesConstructor.newInstance(servletContext);
                    } catch (Exception e) {
                        ReflectionUtils.rethrowRuntimeException(e);
                    }
                    ResourceAwareTemplateEngine engine = attrs.getPagesTemplateEngine();
                    lineNumber = engine.mapStackLineNumber(url, lineNumber);
                }
                fileLocation = "grails-app" + urlPrefix + fileName;
            }

            InputStream in = null;
            if (!GrailsStringUtils.isBlank(url)) {
                in = servletContext.getResourceAsStream(url);
                LOG.debug("Attempting to display code snippet found in url " + url);
            }
            if (in == null) {
                Resource r = null;
                try {
                    r = resolver.getResource(fileLocation);
                    in = r.getInputStream();
                } catch (Throwable e) {
                    r = resolver.getResource("file:" + fileLocation);
                    if (r.exists()) {
                        try {
                            in = r.getInputStream();
                        } catch (IOException e1) {
                            // ignore
                        }
                    }
                }
            }

            if (in != null) {
                reader = new LineNumberReader(new InputStreamReader(in, "UTF-8"));
                String currentLine = reader.readLine();
                StringBuilder buf = new StringBuilder();
                while (currentLine != null) {
                    int currentLineNumber = reader.getLineNumber();
                    if ((lineNumber > 0 && currentLineNumber == lineNumber - 1)
                            || (currentLineNumber == lineNumber)) {
                        buf.append(currentLineNumber).append(": ").append(currentLine).append("\n");
                    } else if (currentLineNumber == lineNumber + 1) {
                        buf.append(currentLineNumber).append(": ").append(currentLine);
                        break;
                    }
                    currentLine = reader.readLine();
                }
                codeSnippet = buf.toString().split("\n");
            }
        }
    } catch (IOException e) {
        LOG.warn("[GrailsWrappedRuntimeException] I/O error reading line diagnostics: " + e.getMessage(), e);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                // ignore
            }
        }
    }
}