Example usage for java.io IOException IOException

List of usage examples for java.io IOException IOException

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Introduction

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

Prototype

public IOException(Throwable cause)

Source Link

Document

Constructs an IOException with the specified cause and a detail message of (cause==null ?

Usage

From source file:Main.java

public static void valiFileCanRead(File file) throws IOException {
    if (!file.canRead()) {
        throw new IOException("For file '" + file.getName() + "' not read access!");
    }//from   w  w  w.  j  a  va 2 s.  c o m
}

From source file:Main.java

/**
 * Make directories. If directory exists, do nothing.
 *
 * @param context/*from  w w w  .  j  ava2s  .c o  m*/
 * @param path
 *          directory path to create.
 * @throws java.io.IOException
 *           if directory doesn't exist and fail to create.
 */
public static void mkdirs(Context context, String path) throws IOException {
    Resources res = context.getResources();
    File pathFile = new File(path);
    if (!pathFile.exists()) {
        if (!pathFile.mkdirs()) {
            throw new IOException(String.format(FAIL_CREATE_DIRECTORY, pathFile.getAbsolutePath()));
        }
    }
}

From source file:Main.java

private static byte[] encryptHMAC(String data, String secret) throws IOException {
    byte[] bytes = null;
    try {/* ww  w  . jav a2 s  .  c om*/
        SecretKey secretKey = new SecretKeySpec(secret.getBytes("UTF-8"), "HmacMD5");
        Mac mac = Mac.getInstance(secretKey.getAlgorithm());
        mac.init(secretKey);
        bytes = mac.doFinal(data.getBytes("UTF-8"));
    } catch (GeneralSecurityException gse) {
        String msg = getStringFromException(gse);
        throw new IOException(msg);
    }
    return bytes;
}

From source file:com.cws.esolutions.security.main.PasswordUtility.java

public static void main(final String[] args) {
    final String methodName = PasswordUtility.CNAME + "#main(final String[] args)";

    if (DEBUG) {//  ww w.  j a  v a  2  s . co  m
        DEBUGGER.debug("Value: {}", methodName);
    }

    if (args.length == 0) {
        HelpFormatter usage = new HelpFormatter();
        usage.printHelp(PasswordUtility.CNAME, options, true);

        System.exit(1);
    }

    BufferedReader bReader = null;
    BufferedWriter bWriter = null;

    try {
        // load service config first !!
        SecurityServiceInitializer.initializeService(PasswordUtility.SEC_CONFIG, PasswordUtility.LOG_CONFIG,
                false);

        if (DEBUG) {
            DEBUGGER.debug("Options options: {}", options);

            for (String arg : args) {
                DEBUGGER.debug("Value: {}", arg);
            }
        }

        CommandLineParser parser = new PosixParser();
        CommandLine commandLine = parser.parse(options, args);

        if (DEBUG) {
            DEBUGGER.debug("CommandLineParser parser: {}", parser);
            DEBUGGER.debug("CommandLine commandLine: {}", commandLine);
            DEBUGGER.debug("CommandLine commandLine.getOptions(): {}", (Object[]) commandLine.getOptions());
            DEBUGGER.debug("CommandLine commandLine.getArgList(): {}", commandLine.getArgList());
        }

        final SecurityConfigurationData secConfigData = PasswordUtility.svcBean.getConfigData();
        final SecurityConfig secConfig = secConfigData.getSecurityConfig();
        final PasswordRepositoryConfig repoConfig = secConfigData.getPasswordRepo();
        final SystemConfig systemConfig = secConfigData.getSystemConfig();

        if (DEBUG) {
            DEBUGGER.debug("SecurityConfigurationData secConfig: {}", secConfigData);
            DEBUGGER.debug("SecurityConfig secConfig: {}", secConfig);
            DEBUGGER.debug("RepositoryConfig secConfig: {}", repoConfig);
            DEBUGGER.debug("SystemConfig systemConfig: {}", systemConfig);
        }

        if (commandLine.hasOption("encrypt")) {
            if ((StringUtils.isBlank(repoConfig.getPasswordFile()))
                    || (StringUtils.isBlank(repoConfig.getSaltFile()))) {
                System.err.println("The password/salt files are not configured. Entries will not be stored!");
            }

            File passwordFile = FileUtils.getFile(repoConfig.getPasswordFile());
            File saltFile = FileUtils.getFile(repoConfig.getSaltFile());

            if (DEBUG) {
                DEBUGGER.debug("File passwordFile: {}", passwordFile);
                DEBUGGER.debug("File saltFile: {}", saltFile);
            }

            final String entryName = commandLine.getOptionValue("entry");
            final String username = commandLine.getOptionValue("username");
            final String password = commandLine.getOptionValue("password");
            final String salt = RandomStringUtils.randomAlphanumeric(secConfig.getSaltLength());

            if (DEBUG) {
                DEBUGGER.debug("String entryName: {}", entryName);
                DEBUGGER.debug("String username: {}", username);
                DEBUGGER.debug("String password: {}", password);
                DEBUGGER.debug("String salt: {}", salt);
            }

            final String encodedSalt = PasswordUtils.base64Encode(salt);
            final String encodedUserName = PasswordUtils.base64Encode(username);
            final String encryptedPassword = PasswordUtils.encryptText(password, salt,
                    secConfig.getSecretAlgorithm(), secConfig.getIterations(), secConfig.getKeyBits(),
                    secConfig.getEncryptionAlgorithm(), secConfig.getEncryptionInstance(),
                    systemConfig.getEncoding());
            final String encodedPassword = PasswordUtils.base64Encode(encryptedPassword);

            if (DEBUG) {
                DEBUGGER.debug("String encodedSalt: {}", encodedSalt);
                DEBUGGER.debug("String encodedUserName: {}", encodedUserName);
                DEBUGGER.debug("String encodedPassword: {}", encodedPassword);
            }

            if (commandLine.hasOption("store")) {
                try {
                    new File(passwordFile.getParent()).mkdirs();
                    new File(saltFile.getParent()).mkdirs();

                    boolean saltFileExists = (saltFile.exists()) ? true : saltFile.createNewFile();

                    if (DEBUG) {
                        DEBUGGER.debug("saltFileExists: {}", saltFileExists);
                    }

                    // write the salt out first
                    if (!(saltFileExists)) {
                        throw new IOException("Unable to create salt file");
                    }

                    boolean passwordFileExists = (passwordFile.exists()) ? true : passwordFile.createNewFile();

                    if (!(passwordFileExists)) {
                        throw new IOException("Unable to create password file");
                    }

                    if (commandLine.hasOption("replace")) {
                        File[] files = new File[] { saltFile, passwordFile };

                        if (DEBUG) {
                            DEBUGGER.debug("File[] files: {}", (Object) files);
                        }

                        for (File file : files) {
                            if (DEBUG) {
                                DEBUGGER.debug("File: {}", file);
                            }

                            String currentLine = null;
                            File tmpFile = new File(FileUtils.getTempDirectory() + "/" + "tmpFile");

                            if (DEBUG) {
                                DEBUGGER.debug("File tmpFile: {}", tmpFile);
                            }

                            bReader = new BufferedReader(new FileReader(file));
                            bWriter = new BufferedWriter(new FileWriter(tmpFile));

                            while ((currentLine = bReader.readLine()) != null) {
                                if (!(StringUtils.equals(currentLine.trim().split(",")[0], entryName))) {
                                    bWriter.write(currentLine + System.getProperty("line.separator"));
                                    bWriter.flush();
                                }
                            }

                            bWriter.close();

                            FileUtils.deleteQuietly(file);
                            FileUtils.copyFile(tmpFile, file);
                            FileUtils.deleteQuietly(tmpFile);
                        }
                    }

                    FileUtils.writeStringToFile(saltFile, entryName + "," + encodedUserName + "," + encodedSalt
                            + System.getProperty("line.separator"), true);
                    FileUtils.writeStringToFile(passwordFile, entryName + "," + encodedUserName + ","
                            + encodedPassword + System.getProperty("line.separator"), true);
                } catch (IOException iox) {
                    ERROR_RECORDER.error(iox.getMessage(), iox);
                }
            }

            System.out.println("Entry Name " + entryName + " stored.");
        }

        if (commandLine.hasOption("decrypt")) {
            String saltEntryName = null;
            String saltEntryValue = null;
            String decryptedPassword = null;
            String passwordEntryName = null;

            if ((StringUtils.isEmpty(commandLine.getOptionValue("entry"))
                    && (StringUtils.isEmpty(commandLine.getOptionValue("username"))))) {
                throw new ParseException("No entry or username was provided to decrypt.");
            }

            if (StringUtils.isEmpty(commandLine.getOptionValue("username"))) {
                throw new ParseException("no entry provided to decrypt");
            }

            String entryName = commandLine.getOptionValue("entry");
            String username = commandLine.getOptionValue("username");

            if (DEBUG) {
                DEBUGGER.debug("String entryName: {}", entryName);
                DEBUGGER.debug("String username: {}", username);
            }

            File passwordFile = FileUtils.getFile(repoConfig.getPasswordFile());
            File saltFile = FileUtils.getFile(repoConfig.getSaltFile());

            if (DEBUG) {
                DEBUGGER.debug("File passwordFile: {}", passwordFile);
                DEBUGGER.debug("File saltFile: {}", saltFile);
            }

            if ((!(saltFile.canRead())) || (!(passwordFile.canRead()))) {
                throw new IOException(
                        "Unable to read configured password/salt file. Please check configuration and/or permissions.");
            }

            for (String lineEntry : FileUtils.readLines(saltFile, systemConfig.getEncoding())) {
                saltEntryName = lineEntry.split(",")[0];

                if (DEBUG) {
                    DEBUGGER.debug("String saltEntryName: {}", saltEntryName);
                }

                if (StringUtils.equals(saltEntryName, entryName)) {
                    saltEntryValue = PasswordUtils.base64Decode(lineEntry.split(",")[2]);

                    break;
                }
            }

            if (StringUtils.isEmpty(saltEntryValue)) {
                throw new SecurityException("No entries were found that matched the provided information");
            }

            for (String lineEntry : FileUtils.readLines(passwordFile, systemConfig.getEncoding())) {
                passwordEntryName = lineEntry.split(",")[0];

                if (DEBUG) {
                    DEBUGGER.debug("String passwordEntryName: {}", passwordEntryName);
                }

                if (StringUtils.equals(passwordEntryName, saltEntryName)) {
                    String decodedPassword = PasswordUtils.base64Decode(lineEntry.split(",")[2]);

                    decryptedPassword = PasswordUtils.decryptText(decodedPassword, saltEntryValue,
                            secConfig.getSecretAlgorithm(), secConfig.getIterations(), secConfig.getKeyBits(),
                            secConfig.getEncryptionAlgorithm(), secConfig.getEncryptionInstance(),
                            systemConfig.getEncoding());

                    break;
                }
            }

            if (StringUtils.isEmpty(decryptedPassword)) {
                throw new SecurityException("No entries were found that matched the provided information");
            }

            System.out.println(decryptedPassword);
        } else if (commandLine.hasOption("encode")) {
            System.out.println(PasswordUtils.base64Encode((String) commandLine.getArgList().get(0)));
        } else if (commandLine.hasOption("decode")) {
            System.out.println(PasswordUtils.base64Decode((String) commandLine.getArgList().get(0)));
        }
    } catch (IOException iox) {
        ERROR_RECORDER.error(iox.getMessage(), iox);

        System.err.println("An error occurred during processing: " + iox.getMessage());
        System.exit(1);
    } catch (ParseException px) {
        ERROR_RECORDER.error(px.getMessage(), px);

        System.err.println("An error occurred during processing: " + px.getMessage());
        System.exit(1);
    } catch (SecurityException sx) {
        ERROR_RECORDER.error(sx.getMessage(), sx);

        System.err.println("An error occurred during processing: " + sx.getMessage());
        System.exit(1);
    } catch (SecurityServiceException ssx) {
        ERROR_RECORDER.error(ssx.getMessage(), ssx);
        System.exit(1);
    } finally {
        try {
            if (bReader != null) {
                bReader.close();
            }

            if (bWriter != null) {
                bReader.close();
            }
        } catch (IOException iox) {
        }
    }

    System.exit(0);
}

From source file:Main.java

/**
 * This will parse an XML stream and create a DOM document.
 *
 * @param is The stream to get the XML from.
 * @return The DOM document.//from w w w .ja  va  2s.co  m
 * @throws IOException It there is an error creating the dom.
 */
public static Document parse(InputStream is) throws IOException {
    try {
        DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = builderFactory.newDocumentBuilder();
        return builder.parse(is);
    } catch (Exception e) {
        IOException thrown = new IOException(e.getMessage());
        throw thrown;
    }
}

From source file:Main.java

public static void mkdirs(File file) throws IOException {
    if (file.isDirectory()) {
        return;/*  ww  w . j  av  a2 s  .co  m*/
    }
    if (!file.mkdirs()) {
        if (file.exists()) {
            throw new IOException("failed to create " + file + " file exists and not a directory");
        }
        throw new IOException();
    }
}

From source file:Main.java

public static Document parse(InputStream input) throws IOException {
    try {/*from   www  .  ja  v  a 2  s .  c o m*/
        return createDocumentBuilder().parse(input);
    } catch (Exception e) {
        throw new IOException(e);
    }
}

From source file:Main.java

/**
 * Creates a new and empty directory in the default temp directory using the
 * given prefix. This methods uses {@link File#createTempFile} to create a
 * new tmp file, deletes it and creates a directory for it instead.
 * //w ww .  j a v  a2s . c o m
 * @param prefix The prefix string to be used in generating the diretory's
 * name; must be at least three characters long.
 * @return A newly-created empty directory.
 * @throws IOException If no directory could be created.
 */
public static File createTempDir(String prefix) throws IOException {
    String tmpDirStr = System.getProperty("java.io.tmpdir");
    if (tmpDirStr == null) {
        throw new IOException("System property 'java.io.tmpdir' does not specify a tmp dir");
    }

    File tmpDir = new File(tmpDirStr);
    if (!tmpDir.exists()) {
        boolean created = tmpDir.mkdirs();
        if (!created) {
            throw new IOException("Unable to create tmp dir " + tmpDir);
        }
    }

    File resultDir = null;
    int suffix = (int) System.currentTimeMillis();
    int failureCount = 0;
    do {
        resultDir = new File(tmpDir, prefix + suffix % 10000);
        suffix++;
        failureCount++;
    } while (resultDir.exists() && failureCount < 50);

    if (resultDir.exists()) {
        throw new IOException(
                failureCount + " attempts to generate a non-existent directory name failed, giving up");
    }
    boolean created = resultDir.mkdir();
    if (!created) {
        throw new IOException("Failed to create tmp directory");
    }

    return resultDir;
}

From source file:com.admc.jcreole.JCreole.java

/**
 * Run this method with no parameters to see syntax requirements and the
 * available parameters./*ww w  .  ja  v  a 2  s .  co  m*/
 *
 * N.b. do not call this method from a persistent program, because it
 * may call System.exit!
 * <p>
 * Any long-running program should use the lower-level methods in this
 * class instead (or directly use CreoleParser and CreoleScanner
 * instances).
 * </p> <p>
 * This method executes with all JCreole privileges.
 * </p> <p>
 * This method sets up the following htmlExpander mappings (therefore you
 * can reference these in both Creole and boilerplate text).<p>
 * <ul>
 *   <li>sys|*: mappings for Java system properties
 *   <li>isoDateTime
 *   <li>isoDate
 *   <li>pageTitle: Value derived from the specified Creole file name.
 * </ul>
 *
 * @throws IOException for any I/O problem that makes it impossible to
 *         satisfy the request.
 * @throws CreoleParseException
 *         if can not generate output, or if the run generates 0 output.
 *         If the problem is due to input formatting, in most cases you
 *         will get a CreoleParseException, which is a RuntimException, and
 *         CreoleParseException has getters for locations in the source
 *         data (though they will be offset for \r's in the provided
 *         Creole source, if any).
 */
public static void main(String[] sa) throws IOException {
    String bpResPath = null;
    String bpFsPath = null;
    String outPath = null;
    String inPath = null;
    boolean debugs = false;
    boolean troubleshoot = false;
    boolean noBp = false;
    int param = -1;
    try {
        while (++param < sa.length) {
            if (sa[param].equals("-d")) {
                debugs = true;
                continue;
            }
            if (sa[param].equals("-t")) {
                troubleshoot = true;
                continue;
            }
            if (sa[param].equals("-r") && param + 1 < sa.length) {
                if (bpFsPath != null || bpResPath != null || noBp)
                    throw new IllegalArgumentException();
                bpResPath = sa[++param];
                continue;
            }
            if (sa[param].equals("-f") && param + 1 < sa.length) {
                if (bpResPath != null || bpFsPath != null || noBp)
                    throw new IllegalArgumentException();
                bpFsPath = sa[++param];
                continue;
            }
            if (sa[param].equals("-")) {
                if (noBp || bpFsPath != null || bpResPath != null)
                    throw new IllegalArgumentException();
                noBp = true;
                continue;
            }
            if (sa[param].equals("-o") && param + 1 < sa.length) {
                if (outPath != null)
                    throw new IllegalArgumentException();
                outPath = sa[++param];
                continue;
            }
            if (inPath != null)
                throw new IllegalArgumentException();
            inPath = sa[param];
        }
        if (inPath == null)
            throw new IllegalArgumentException();
    } catch (IllegalArgumentException iae) {
        System.err.println(SYNTAX_MSG);
        System.exit(1);
    }
    if (!noBp && bpResPath == null && bpFsPath == null)
        bpResPath = DEFAULT_BP_RES_PATH;
    String rawBoilerPlate = null;
    if (bpResPath != null) {
        if (bpResPath.length() > 0 && bpResPath.charAt(0) == '/')
            // Classloader lookups are ALWAYS relative to CLASSPATH roots,
            // and will abort if you specify a beginning "/".
            bpResPath = bpResPath.substring(1);
        InputStream iStream = Thread.currentThread().getContextClassLoader().getResourceAsStream(bpResPath);
        if (iStream == null)
            throw new IOException("Boilerplate inaccessible: " + bpResPath);
        rawBoilerPlate = IOUtil.toString(iStream);
    } else if (bpFsPath != null) {
        rawBoilerPlate = IOUtil.toString(new File(bpFsPath));
    }
    String creoleResPath = (inPath.length() > 0 && inPath.charAt(0) == '/') ? inPath.substring(1) : inPath;
    // Classloader lookups are ALWAYS relative to CLASSPATH roots,
    // and will abort if you specify a beginning "/".
    InputStream creoleStream = Thread.currentThread().getContextClassLoader()
            .getResourceAsStream(creoleResPath);
    File inFile = (creoleStream == null) ? new File(inPath) : null;
    JCreole jCreole = (rawBoilerPlate == null) ? (new JCreole()) : (new JCreole(rawBoilerPlate));
    if (debugs) {
        jCreole.setInterWikiMapper(new InterWikiMapper() {
            // This InterWikiMapper is just for prototyping.
            // Use wiki name of "nil" to force lookup failure for path.
            // Use wiki page of "nil" to force lookup failure for label.
            public String toPath(String wikiName, String wikiPage) {
                if (wikiName != null && wikiName.equals("nil"))
                    return null;
                return "{WIKI-LINK to: " + wikiName + '|' + wikiPage + '}';
            }

            public String toLabel(String wikiName, String wikiPage) {
                if (wikiPage == null)
                    throw new RuntimeException("Null page name sent to InterWikiMapper");
                if (wikiPage.equals("nil"))
                    return null;
                return "{LABEL for: " + wikiName + '|' + wikiPage + '}';
            }
        });
        Expander creoleExpander = new Expander(Expander.PairedDelims.RECTANGULAR);
        creoleExpander.put("testMacro",
                "\n\n<<prettyPrint>>\n{{{\n" + "!/bin/bash -p\n\ncp /etc/inittab /tmp\n}}}\n");
        jCreole.setCreoleExpander(creoleExpander);
    }
    jCreole.setPrivileges(EnumSet.allOf(JCreolePrivilege.class));
    Expander exp = jCreole.getHtmlExpander();
    Date now = new Date();
    exp.putAll("sys", System.getProperties(), false);
    exp.put("isoDateTime", isoDateTimeFormatter.format(now), false);
    exp.put("isoDate", isoDateFormatter.format(now), false);
    exp.put("pageTitle",
            (inFile == null) ? creoleResPath.replaceFirst("[.][^.]*$", "").replaceFirst(".*[/\\\\.]", "")
                    : inFile.getName().replaceFirst("[.][^.]*$", ""));
    if (troubleshoot) {
        // We don't write any HMTL output here.
        // Goal is just to output diagnostics.
        StringBuilder builder = (creoleStream == null) ? IOUtil.toStringBuilder(inFile)
                : IOUtil.toStringBuilder(creoleStream);
        int newlineCount = 0;
        int lastOffset = -1;
        int offset = builder.indexOf("\n");
        for (; offset >= 0; offset = builder.indexOf("\n", offset + 1)) {
            lastOffset = offset;
            newlineCount++;
        }
        // Accommodate input files with no terminating newline:
        if (builder.length() > lastOffset + 1)
            newlineCount++;
        System.out.println("Input lines:  " + newlineCount);
        Exception lastException = null;
        while (true) {
            try {
                jCreole.parseCreole(builder);
                break;
            } catch (Exception e) {
                lastException = e;
            }
            if (builder.charAt(builder.length() - 1) == '\n')
                builder.setLength(builder.length() - 1);
            offset = builder.lastIndexOf("\n");
            if (offset < 1)
                break;
            newlineCount--;
            builder.setLength(builder.lastIndexOf("\n"));
        }
        System.out.println((lastException == null) ? "Input validates"
                : String.format("Error around input line %d:  %s", newlineCount, lastException.getMessage()));
        return;
    }
    String generatedHtml = (creoleStream == null) ? jCreole.parseCreole(inFile)
            : jCreole.parseCreole(IOUtil.toStringBuilder(creoleStream));
    String html = jCreole.postProcess(generatedHtml, SystemUtils.LINE_SEPARATOR);
    if (outPath == null) {
        System.out.print(html);
    } else {
        FileUtils.writeStringToFile(new File(outPath), html, "UTF-8");
    }
}

From source file:Main.java

/**
 * Saves a given XML document to the given output stream.
 *///from w w w .ja v  a2 s  . c  o m
public static void writeXML(Document document, OutputStream os) throws IOException {
    DOMSource src = new DOMSource(document);
    StreamResult res = new StreamResult(os);
    TransformerFactory tf = TransformerFactory.newInstance();
    try {
        Transformer t = tf.newTransformer();
        t.transform(src, res);
    } catch (TransformerException e) {
        throw new IOException(e.getMessage());
    }
}