Example usage for java.io IOException IOException

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:com.genericworkflownodes.knime.custom.ZipUtilsTest.java

public static File createTempDirectory() throws IOException {
    final File temp;

    temp = File.createTempFile("temp", Long.toString(System.nanoTime()));

    if (!(temp.delete())) {
        throw new IOException("Could not delete temp file: " + temp.getAbsolutePath());
    }//from  ww  w .  jav  a2s . c o m

    if (!(temp.mkdir())) {
        throw new IOException("Could not create temp directory: " + temp.getAbsolutePath());
    }

    return (temp);
}

From source file:Main.java

/**
 * This will parse an InputSource and create a DOM document.
 *
 * @param is The stream to get the XML from.
 * @return The DOM document.//from  w  w  w.j  av a2 s .com
 * @throws IOException It there is an error creating the dom.
 */
public static Document parse(InputSource 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 String readXmlAsString(final File input) throws IOException {
    String xmlString = "";

    if (input == null) {
        throw new IOException("The input stream object is null.");
    }/* w ww . j  av  a  2  s  .co  m*/

    final FileInputStream fileInputStream = new FileInputStream(input);
    final InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream);
    final BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
    String line = bufferedReader.readLine();
    while (line != null) {
        xmlString += line + "\n";
        line = bufferedReader.readLine();
    }
    fileInputStream.close();
    fileInputStream.close();
    bufferedReader.close();

    return xmlString;
}

From source file:com.qwazr.utils.process.ProcessUtils.java

public static Integer kill(Number pid) throws IOException, InterruptedException {
    if (pid == null)
        return null;
    final String commandLine;
    if (SystemUtils.IS_OS_UNIX)
        commandLine = "kill  " + pid;
    else if (SystemUtils.IS_OS_WINDOWS)
        commandLine = "taskkill /PID " + pid;
    else/*from  w w w.j  av  a2s. co  m*/
        throw new IOException(NOT_SUPPORTED_ERROR);
    return run(commandLine);
}

From source file:FileUtil.java

public static void copyFile(String from, String to, Boolean overwrite) {

    try {/*from   w  ww .  j  a v  a  2s.  co m*/
        File fromFile = new File(from);
        File toFile = new File(to);

        if (!fromFile.exists()) {
            throw new IOException("File not found: " + from);
        }
        if (!fromFile.isFile()) {
            throw new IOException("Can't copy directories: " + from);
        }
        if (!fromFile.canRead()) {
            throw new IOException("Can't read file: " + from);
        }

        if (toFile.isDirectory()) {
            toFile = new File(toFile, fromFile.getName());
        }

        if (toFile.exists() && !overwrite) {
            throw new IOException("File already exists.");
        } else {
            String parent = toFile.getParent();
            if (parent == null) {
                parent = System.getProperty("user.dir");
            }
            File dir = new File(parent);
            if (!dir.exists()) {
                throw new IOException("Destination directory does not exist: " + parent);
            }
            if (dir.isFile()) {
                throw new IOException("Destination is not a valid directory: " + parent);
            }
            if (!dir.canWrite()) {
                throw new IOException("Can't write on destination: " + parent);
            }
        }

        FileInputStream fis = null;
        FileOutputStream fos = null;
        try {

            fis = new FileInputStream(fromFile);
            fos = new FileOutputStream(toFile);
            byte[] buffer = new byte[4096];
            int bytesRead;

            while ((bytesRead = fis.read(buffer)) != -1) {
                fos.write(buffer, 0, bytesRead);
            }

        } finally {
            if (from != null) {
                try {
                    fis.close();
                } catch (IOException e) {
                    System.out.println(e);
                }
            }
            if (to != null) {
                try {
                    fos.close();
                } catch (IOException e) {
                    System.out.println(e);
                }
            }
        }

    } catch (Exception e) {
        System.out.println("Problems when copying file.");
    }
}

From source file:eu.freme.eservices.epublishing.Unzipper.java

public static void unzip(ZipInputStream zis, File outputFolder) throws IOException {
    //create output directory is not exists

    if (!outputFolder.exists() && !outputFolder.mkdirs()) {
        throw new IOException("Cannot create directory " + outputFolder);
    }//from www.  ja v a  2s. co m

    //get the zipped file list entry
    ZipEntry ze = zis.getNextEntry();

    while (ze != null) {
        String fileName = ze.getName();
        File newFile = new File(outputFolder, fileName);

        logger.debug("file unzip : " + newFile.getAbsoluteFile());

        //create all non exists folders
        //else you will hit FileNotFoundException for compressed folder
        File parentDir = newFile.getParentFile();
        if (!parentDir.exists() && !parentDir.mkdirs()) {
            throw new IOException("Cannot create directory " + newFile.getParent());
        }

        if (ze.isDirectory()) {
            newFile.mkdirs();
        } else {
            try (FileOutputStream fos = new FileOutputStream(newFile)) {
                IOUtils.copyLarge(zis, fos);
            }
        }
        ze = zis.getNextEntry();
    }
    zis.closeEntry();
}

From source file:com.bottlerocketstudios.groundcontrolsample.core.controller.ProductApi.java

public static JSONObject downloadJson(OkHttpClient okHttpClient, Request request)
        throws IOException, JSONException {
    Response response = okHttpClient.newCall(request).execute();
    if (response.isSuccessful()) {
        return new JSONObject(response.body().string());
    } else {//from  w w  w .j a v a 2s .  c  om
        throw new IOException("Server did not respond with success");
    }
}

From source file:com.anjlab.tapestry5.services.ConfigHelper.java

public static ConfigHelper fromClasspathResource(String resourceName) throws IOException {
    logger.info("Reading config from classpath: {}", resourceName);
    InputStream input = ConfigHelper.class.getClassLoader().getResourceAsStream(resourceName);
    if (input == null) {
        throw new IOException("Classpath resource not found: " + resourceName);
    }/* w w  w  . j  av a  2  s  . c om*/
    return new ConfigHelper(new AutoCloseInputStream(input));
}

From source file:Main.java

public static void save(String filename, Document document) throws IOException {
    PrintStream out = null;/*from w w w.  j av a  2s .  c  om*/
    try {
        out = new PrintStream(new BufferedOutputStream(new FileOutputStream(filename)), true, "UTF-8");
        // traceNode(document, "");
        print(out, document);
    } catch (Exception ex) {
        throw new IOException(ex.getLocalizedMessage());
    } finally {
        if (out != null)
            try {
                out.close();
            } catch (Exception e) {
                // ignore
            }
    }
}

From source file:com.indexoutofbounds.util.ClassPathInputStreamUtils.java

/**
 * Creates an InputStream from the path which can be either something on
 * the file system, a remote system, or a classpath entry.
 * @param path//  w ww  .j  av a 2  s  .c  om
 * @return
 * @throws Exception
 */
public final static InputStream getInputStream(final String path) throws IOException {

    if (StringUtils.isEmpty(path)) {
        throw new IOException("Unable to locate empty config file parameter");
    }

    final URL url = locateURL(path);
    if (url == null) {
        throw new IOException("Unable to locate config file: " + path);
    }

    try {

        return new BufferedInputStream(url.openStream());
    } catch (IOException e) {
        throw new IOException("Unable to open config file: " + path + ", " + e.getLocalizedMessage());
    }
}