Example usage for java.io FileWriter write

List of usage examples for java.io FileWriter write

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Introduction

In this page you can find the example usage for java.io FileWriter write.

Prototype

public void write(int c) throws IOException

Source Link

Document

Writes a single character.

Usage

From source file:TestSecurity.java

/**
 * put your documentation comment here//from   w ww .  j ava 2s  . co m
 * @param req
 * @param res
 * @exception ServletException, IOException
 */
public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();
    out.println("<HTML>");
    out.println("<HEAD><TITLE>Hello World</TITLE></HEAD>");
    out.println("<BODY>");
    out.println("<BIG>Test Security</BIG>");
    try {
        out.println(h2o + "Information..." + h2c);
        out.println("  Security Manager: " + getSecurityManager().getClass().getName() + p);
        out.println("  ClassLoader: " + this.getClass().getClassLoader() + p);
        //            weblogic.utils.classloaders.GenericClassLoader gcl = (weblogic.utils.classloaders.GenericClassLoader)this.getClass().getClassLoader();
        //            gcl.setDebug( true );
        out.println("  CodeSource: " + this.getClass().getProtectionDomain().getCodeSource().getLocation() + p);
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    /*
     try
     {
     out.println( h2o + "Trying some dangerous J2EE calls..." + h2c );
     String hack = request.getParameter( "hack" );
     Cookie[] cookies = request.getCookies();
     out.println( " -- allowed -- " + p );
     int x = 1 + 2 + 3;
     out.println( hack );  // use it
     int y = 1 + 2 + 3;
     out.println( cookies );  // use it
     String m = "COOKIE: " + cookies[0]; // use it again
     cookies = new Cookie[10]; // reset it
     String n = "COOKIE: " + cookies[5]; // use it again
     }
     catch( Exception e ) { out.println( " -- rejected -- " + e.getMessage() + p ); }
     */
    try {
        out.println(h2o + "Attempting file write to d:/Java..." + h2c);
        File f = new File("d:/Java/blah.txt");
        FileWriter fw = new FileWriter(f);
        fw.write("test\n");
        fw.close();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting file write to d:/Java/TestServlet..." + h2c);
        File f = new File("d:/Java/TestServlet/blah.txt");
        FileWriter fw = new FileWriter(f);
        fw.write("test\n");
        fw.close();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting file read to c:/Ntdetect..." + h2c);
        File f = new File("c:/Ntdetect.com");
        FileReader fr = new FileReader(f);
        int c = fr.read();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting file read to c:/weblogic/weblogic.properties..." + h2c);
        File f = new File("c:/weblogic/weblogic.properties");
        FileReader fr = new FileReader(f);
        int c = fr.read();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting to connect to yahoo.com..." + h2c);
        Socket s = new Socket("yahoo.com", 8080);
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting to connect to hacker.com..." + h2c);
        Socket s = new Socket("hacker.com", 8080);
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting to listen on port 37337..." + h2c);
        ServerSocket s = new ServerSocket(37337);
        Socket c = s.accept();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting to listen on port 7001..." + h2c);
        ServerSocket s = new ServerSocket(7001);
        Socket c = s.accept();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    /*
     try
     {
     out.println( h2o + "Attempting native call..." + h2c );
     native0( 1 );
     out.println( " -- allowed -- " + p );
     }           
     catch( Exception e ) { out.println( " -- rejected -- " + e.getMessage() + p ); }
     */
    try {
        out.println(h2o + "Attempting exec..." + h2c);
        Runtime.getRuntime().exec("dir");
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting system exit..." + h2c);
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    out.println("</BODY></HTML>");
}

From source file:Validate.java

void validate(String[] args)
        throws FileNotFoundException, IOException, ParserConfigurationException, SAXException {
    File dir = new File(args[0]);

    // User may include a 2nd argument for the log file. 
    useLogFile = (args.length == 2);/*  w  w w.jav a  2s.  c  o m*/

    if (dir.isFile()) // Just checking one file.
    {
        parse(null, args[0]);
    } else if (dir.isDirectory()) // Checking the contents of a directory.
    {
        // Only interested in .xml files.
        XMLFileFilter filter = new XMLFileFilter();
        String[] files = dir.list(filter);
        for (int i = 0; i < files.length; i++) {
            parse(dir.toString(), files[i]); // All the work is done here.

            if (!useLogFile)
            // Write messages to screen after parsing each file.
            {
                System.out.print(buff.toString());
                buff = new StringBuffer();
            }
        }
    } else // Command-line argument is no good!
    {
        System.out.println(args[0] + " not found!");
        return;
    }
    // Provide user with a summary.
    buff.append("================SUMMARY=============================\n");
    if (numXMLFiles > 1)
        buff.append("Parsed " + numXMLFiles + " .xml files in " + args[0] + ".\n");
    if (numValidFiles > 1)
        buff.append(numValidFiles + " files are valid.\n");
    else if (numValidFiles == 1)
        buff.append(numValidFiles + " file is valid.\n");
    if (numInvalidFiles > 1)
        buff.append(numInvalidFiles + " files are not valid.\n");
    else if (numInvalidFiles == 1)
        buff.append(numInvalidFiles + " file is not valid.\n");
    if (numMalformedFiles > 1)
        buff.append(numMalformedFiles + " files are not well-formed.\n");
    else if (numMalformedFiles == 1)
        buff.append(numMalformedFiles + " file is not well-formed.\n");
    if (numFilesMissingDoctype > 1)
        buff.append(numFilesMissingDoctype + " files do not contain a DOCTYPE declaration.\n");
    else if (numFilesMissingDoctype == 1)
        buff.append(numFilesMissingDoctype + " file does not contain a DOCTYPE declaration.\n");

    if (!useLogFile)
        System.out.print(buff.toString());
    else {
        // If log file exists, append.
        FileWriter writer = new FileWriter(args[1], true);
        writer.write(new java.util.Date().toString() + "\n");
        writer.write(buff.toString());
        writer.close();
        System.out.println("Done with validation. See " + args[1] + ".");
    }
}

From source file:edu.duke.cabig.c3pr.ant.UseCaseTraceabilityReport.java

private File buildClasspathFile() throws IOException, BuildException {
    File cpFile = File.createTempFile("uctrace-classpath-", "");
    FileWriter fw = new FileWriter(cpFile);
    logger.debug("Writing classpath to " + cpFile);
    fw.write("-cp\n");
    fw.write(Utils.join(buildClasspath().iterator(), File.pathSeparator));
    fw.close();/* w ww .j a va  2s  .c  om*/
    logger.debug("Finished writing test cases list");
    return cpFile;
}

From source file:edu.missouri.bas.bluetooth.equivital.EquivitalRunnable.java

protected void writeToFile(File f, String toWrite) throws IOException {
    FileWriter fw = new FileWriter(f, true);
    fw.write(toWrite + '\n');
    fw.flush();//w  w w.  j a  va 2  s.  c  o  m
    fw.close();
}

From source file:de.pdark.dsmp.ProxyDownload.java

/**
 * Do the download./*w w w . ja  va 2  s .c o m*/
 * 
 * @throws IOException
 * @throws DownloadFailed
 */
public void download() throws IOException, DownloadFailed {
    if (!config.isAllowed(url)) {
        throw new DownloadFailed(
                "HTTP/1.1 " + HttpStatus.SC_FORBIDDEN + " Download denied by rule in DSMP config");
    }

    // If there is a status file in the cache, return it instead of trying it again
    // As usual with caches, this one is a key area which will always cause
    // trouble.
    // TODO There should be a simple way to get rid of the cached statuses
    // TODO Maybe retry a download after a certain time?
    File statusFile = new File(dest.getAbsolutePath() + ".status");
    if (statusFile.exists()) {
        try {
            FileReader r = new FileReader(statusFile);
            char[] buffer = new char[(int) statusFile.length()];
            int len = r.read(buffer);
            r.close();
            String status = new String(buffer, 0, len);
            throw new DownloadFailed(status);
        } catch (IOException e) {
            log.warn("Error writing 'File not found'-Status to " + statusFile.getAbsolutePath(), e);
        }
    }

    mkdirs();

    HttpClient client = new HttpClient();

    String msg = "";
    if (config.useProxy(url)) {
        Credentials defaultcreds = new UsernamePasswordCredentials(config.getProxyUsername(),
                config.getProxyPassword());
        AuthScope scope = new AuthScope(config.getProxyHost(), config.getProxyPort(), AuthScope.ANY_REALM);
        HostConfiguration hc = new HostConfiguration();
        hc.setProxy(config.getProxyHost(), config.getProxyPort());
        client.setHostConfiguration(hc);
        client.getState().setProxyCredentials(scope, defaultcreds);
        msg = "via proxy ";
    }
    log.info("Downloading " + msg + "to " + dest.getAbsolutePath());

    GetMethod get = new GetMethod(url.toString());
    get.setFollowRedirects(true);
    try {
        int status = client.executeMethod(get);

        log.info("Download status: " + status);
        if (0 == 1 && log.isDebugEnabled()) {
            Header[] header = get.getResponseHeaders();
            for (Header aHeader : header)
                log.debug(aHeader.toString().trim());
        }

        log.info("Content: " + valueOf(get.getResponseHeader("Content-Length")) + " bytes; "
                + valueOf(get.getResponseHeader("Content-Type")));

        if (status != HttpStatus.SC_OK) {
            // Remember "File not found"
            if (status == HttpStatus.SC_NOT_FOUND) {
                try {
                    FileWriter w = new FileWriter(statusFile);
                    w.write(get.getStatusLine().toString());
                    w.close();
                } catch (IOException e) {
                    log.warn("Error writing 'File not found'-Status to " + statusFile.getAbsolutePath(), e);
                }
            }
            throw new DownloadFailed(get);
        }

        File dl = new File(dest.getAbsolutePath() + ".new");
        OutputStream out = new BufferedOutputStream(new FileOutputStream(dl));
        IOUtils.copy(get.getResponseBodyAsStream(), out);
        out.close();

        File bak = new File(dest.getAbsolutePath() + ".bak");
        if (bak.exists())
            bak.delete();
        if (dest.exists())
            dest.renameTo(bak);
        dl.renameTo(dest);
    } finally {
        get.releaseConnection();
    }
}

From source file:edu.asu.bscs.csiebler.waypointdatabase.MainActivity.java

/**
 * @param v//from w  w w  .  ja v  a  2 s . c  om
 */
public void exportWaypoints(View v) {
    File sdCard = Environment.getExternalStorageDirectory();

    FileWriter fw = null;

    try {
        fw = new FileWriter(sdCard.getAbsolutePath() + "/waypoints.json");
        fw.write(getJsonResults().toString());
    } catch (IOException e) {
        Log.w(getClass().getSimpleName(), e.getMessage());
    } finally {
        try {
            if (fw != null) {
                fw.flush();
                fw.close();
            }
        } catch (IOException e) {
            Log.w(getClass().getSimpleName(), e.getMessage());
        }
    }
}

From source file:com.amalto.workbench.editors.XSDDriver.java

public File outputXSD(String src, String fileName) {
    File file = new File(fileName);
    try {//w w  w .  ja v  a2s.co m
        FileWriter writer = new FileWriter(file);
        writer.write(src);
        // System.out.println("OutputStreamWriter: "+writer.getEncoding());
        writer.close();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        log.error(e.getMessage(), e);
        return null;
    }

    return file;
}

From source file:com.axelor.apps.admin.service.AsciiDocExportService.java

public File export(File excelFile, File asciiDoc, String lang) {

    if (excelFile == null) {
        return null;
    }/*from www .j ava 2  s. com*/

    if (lang != null && lang.equals("fr")) {
        docIndex = 11;
        titleIndex = 6;
        menuIndex = 10;
    }

    try {
        FileInputStream inStream = new FileInputStream(excelFile);

        XSSFWorkbook workbook = new XSSFWorkbook(inStream);

        if (asciiDoc == null) {
            asciiDoc = File.createTempFile(excelFile.getName().replace(".xlsx", ""), ".txt");
        }

        FileWriter fw = new FileWriter(asciiDoc);

        fw.write("= Documentation\n:toc:");

        processSheet(workbook.iterator(), fw);

        fw.close();

        return asciiDoc;

    } catch (IOException e) {
        e.printStackTrace();
    }

    return null;
}

From source file:de.xirp.ui.util.HelpManager.java

/**
 * Writes the navigation HTML-file. The links for existing plugins
 * are added to the existing links of the standard program help.
 *//*from ww w. j ava  2  s  .  c om*/
private void createNavigationHTML() {
    StringBuilder naviPage = new StringBuilder();
    naviPage.append("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">") //$NON-NLS-1$
            .append(Constants.LINE_SEPARATOR);
    naviPage.append("<HTML>").append(Constants.LINE_SEPARATOR); //$NON-NLS-1$
    naviPage.append("<HEAD>").append(Constants.LINE_SEPARATOR); //$NON-NLS-1$
    naviPage.append("   <META HTTP-EQUIV=\"CONTENT-TYPE\" CONTENT=\"text/html; charset=windows-1252\">") //$NON-NLS-1$
            .append(Constants.LINE_SEPARATOR);
    naviPage.append("   <TITLE>nav frame</TITLE>").append(Constants.LINE_SEPARATOR); //$NON-NLS-1$
    naviPage.append("</HEAD>").append(Constants.LINE_SEPARATOR); //$NON-NLS-1$
    naviPage.append("<BODY>").append(Constants.LINE_SEPARATOR); //$NON-NLS-1$
    // naviPage.append("<UL>"+Constants.LINE_SEPARATOR);

    createXirpLinks(naviPage);
    createPluginLinks(naviPage);

    // naviPage.append("</UL>"+Constants.LINE_SEPARATOR);
    naviPage.append("</BODY>").append(Constants.LINE_SEPARATOR); //$NON-NLS-1$
    naviPage.append("</HTML>").append(Constants.LINE_SEPARATOR); //$NON-NLS-1$

    File f = new File(Constants.HELP_DIR + File.separator + "nav_frame.html"); //$NON-NLS-1$
    try {
        FileWriter fw = new FileWriter(f);
        fw.write(naviPage.toString());
        fw.close();

    } catch (FileNotFoundException e) {
        logClass.error("Error: " + e.getMessage() + Constants.LINE_SEPARATOR, e); //$NON-NLS-1$
    } catch (IOException e) {
        logClass.error("Error: " + e.getMessage() + Constants.LINE_SEPARATOR, e); //$NON-NLS-1$
    }
}

From source file:it.eng.spagobi.engines.talend.client.SpagoBITalendEngineClient_0_5_0.java

public boolean deployJob(JobDeploymentDescriptor jobDeploymentDescriptor, File executableJobFiles)
        throws EngineUnavailableException, AuthenticationFailedException, ServiceInvocationFailedException {

    HttpClient client;//from  w w w  .j av a  2 s.c o  m
    PostMethod method;
    File deploymentDescriptorFile;
    boolean result = false;

    client = new HttpClient();
    method = new PostMethod(getServiceUrl(JOB_UPLOAD_SERVICE));
    deploymentDescriptorFile = null;

    try {
        deploymentDescriptorFile = File.createTempFile("deploymentDescriptor", ".xml"); //$NON-NLS-1$ //$NON-NLS-2$
        FileWriter writer = new FileWriter(deploymentDescriptorFile);
        writer.write(jobDeploymentDescriptor.toXml());
        writer.flush();
        writer.close();

        Part[] parts = { new FilePart(executableJobFiles.getName(), executableJobFiles),
                new FilePart("deploymentDescriptor", deploymentDescriptorFile) }; //$NON-NLS-1$

        method.setRequestEntity(new MultipartRequestEntity(parts, method.getParams()));

        client.getHttpConnectionManager().getParams().setConnectionTimeout(5000);

        int status = client.executeMethod(method);
        if (status == HttpStatus.SC_OK) {
            if (method.getResponseBodyAsString().equalsIgnoreCase("OK")) //$NON-NLS-1$
                result = true;
        } else {
            throw new ServiceInvocationFailedException(
                    Messages.getString("SpagoBITalendEngineClient_0_5_0.serviceExcFailed") + JOB_UPLOAD_SERVICE, //$NON-NLS-1$
                    method.getStatusLine().toString(),
                    method.getResponseBodyAsString());
        }
    } catch (HttpException e) {
        throw new EngineUnavailableException(
                Messages.getString("SpagoBITalendEngineClient_0_5_0.protocolViolation") + e.getMessage()); //$NON-NLS-1$
    } catch (IOException e) {
        throw new EngineUnavailableException(
                Messages.getString("SpagoBITalendEngineClient_0_5_0.transportError") + e.getMessage()); //$NON-NLS-1$
    } finally {
        method.releaseConnection();
        if (deploymentDescriptorFile != null)
            deploymentDescriptorFile.delete();
    }

    return result;
}