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.qwazr.webapps.transaction.StaticManager.java

public static void load(File dataDir) throws IOException {
    if (INSTANCE != null)
        throw new IOException("Already loaded");
    INSTANCE = new StaticManager(dataDir);
}

From source file:Main.java

private static int safelyConnect(HttpURLConnection connection) throws IOException {
    try {/*from   w ww .  j  av  a2s.  c  om*/
        connection.connect();
    } catch (NullPointerException e) {
        // this is an Android bug: http://code.google.com/p/android/issues/detail?id=16895
        throw new IOException(e);
    } catch (IllegalArgumentException e) {
        // this is an Android bug: http://code.google.com/p/android/issues/detail?id=16895
        throw new IOException(e);
    } catch (IndexOutOfBoundsException e) {
        // this is an Android bug: http://code.google.com/p/android/issues/detail?id=16895
        throw new IOException(e);
    } catch (SecurityException e) {
        // this is an Android bug: http://code.google.com/p/android/issues/detail?id=16895
        throw new IOException(e);
    }
    try {
        return connection.getResponseCode();
    } catch (NullPointerException e) {
        // this is maybe this Android bug: http://code.google.com/p/android/issues/detail?id=15554
        throw new IOException(e);
    } catch (StringIndexOutOfBoundsException e) {
        // this is maybe this Android bug: http://code.google.com/p/android/issues/detail?id=15554
        throw new IOException(e);
    } catch (IllegalArgumentException e) {
        // this is maybe this Android bug: http://code.google.com/p/android/issues/detail?id=15554
        throw new IOException(e);
    }
}

From source file:Main.java

/**
 * Deletes the contents of {@code dir}. Throws an IOException if any file
 * could not be deleted, or if {@code dir} is not a readable directory.
 *///from  ww w  . ja  va 2 s. c om
static void deleteContents(File dir) throws IOException {
    File[] files = dir.listFiles();
    if (files == null) {
        throw new IOException("not a readable directory: " + dir);
    }
    for (File file : files) {
        if (file.isDirectory()) {
            deleteContents(file);
        }
        if (!file.delete()) {
            throw new IOException("failed to delete file: " + file);
        }
    }
}

From source file:Main.java

/**
 * Prepares the destination directory by creating directories if needed 
 * @param destination The destination directory
 * @throws IOException//from   www .  j  av a2s . c  o  m
 */
public static void prepareDestination(File destination) throws IOException {
    File parent = destination.getParentFile();

    if (!parent.exists()) {
        if (!parent.mkdirs()) {
            throw new IOException("Unable to create destination directory: " + parent.getPath());
        }
    }
}

From source file:Main.java

/**
 * Creates a document from the given xml bytes.
 * @return The desired document. Never returns null but throws some Exception.
 * @throws ParserConfigurationException, IOException, SAXException  
 *//*w  ww  .  j  a v  a2s  .c  o  m*/
public static Document getDocument(byte[] xml) throws ParserConfigurationException, IOException, SAXException {
    if (xml != null) {
        final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        // factory.setNamespaceAware( true );
        // factory.setValidating( true );
        final DocumentBuilder builder = factory.newDocumentBuilder();
        final Document document = builder.parse(new ByteArrayInputStream(xml));
        return document;
    }
    throw new IOException("No xml data");
}

From source file:FileHelper.java

public static boolean areInSync(File source, File destination) throws IOException {
    if (source.isDirectory()) {
        if (!destination.exists()) {
            return false;
        } else if (!destination.isDirectory()) {
            throw new IOException("Source and Destination not of the same type:" + source.getCanonicalPath()
                    + " , " + destination.getCanonicalPath());
        }//  w  ww. jav a  2  s .c  om
        String[] sources = source.list();
        Set<String> srcNames = new HashSet<String>(Arrays.asList(sources));
        String[] dests = destination.list();

        // check for files in destination and not in source
        for (String fileName : dests) {
            if (!srcNames.contains(fileName)) {
                return false;
            }
        }

        boolean inSync = true;
        for (String fileName : sources) {
            File srcFile = new File(source, fileName);
            File destFile = new File(destination, fileName);
            if (!areInSync(srcFile, destFile)) {
                inSync = false;
                break;
            }
        }
        return inSync;
    } else {
        if (destination.exists() && destination.isFile()) {
            long sts = source.lastModified() / FAT_PRECISION;
            long dts = destination.lastModified() / FAT_PRECISION;
            return sts == dts;
        } else {
            return false;
        }
    }
}

From source file:Main.java

static public void searchTag(XmlPullParser xpp, String tag) throws IOException, XmlPullParserException {

    int event;//from  ww w  .  j  ava  2 s  . co m
    while ((event = xpp.next()) != XmlPullParser.END_DOCUMENT) {
        if (event == XmlPullParser.START_TAG && xpp.getName().equals(tag))
            return;
    }

    throw new IOException(String.format("tag '%s' not found", tag));
}

From source file:Main.java

/**
 * Use an Xpath expression on the given node or document.
 *
 * @param _xpathExpression xpath expression string
 * @param _xmlDocumentOrNode a {@link Document} or {@link Node} object
 * @return NodeList never null/*from ww  w .  j  a va2s  . co  m*/
 * @throws IOException on error
 */
public static NodeList applyXpathExpressionToDocument(String _xpathExpression, Node _xmlDocumentOrNode)
        throws IOException {

    XPathFactory xfactory = XPathFactory.newInstance();
    XPath xpath = xfactory.newXPath();
    XPathExpression expr = null;
    try {
        expr = xpath.compile(_xpathExpression);
    } catch (XPathExpressionException _ex) {
        throw new IOException(_ex);
    }

    Object result = null;
    try {
        result = expr.evaluate(_xmlDocumentOrNode, XPathConstants.NODESET);
    } catch (Exception _ex) {
        throw new IOException(_ex);
    }

    return (NodeList) result;
}

From source file:Main.java

protected static synchronized InputStream getAWebPage(URL url) throws ClientProtocolException, IOException {
    HttpClient httpClient = new DefaultHttpClient();
    HttpContext localContext = new BasicHttpContext();
    HttpGet httpGet = new HttpGet(url.toString());
    try {//from  w w w .  j  a  va2 s . c o m
        //do the request
        HttpResponse response = httpClient.execute(httpGet, localContext);
        StatusLine status = response.getStatusLine();
        if (status.getStatusCode() != HTTP_STATUS_OK) {
            throw new IOException("Invalid response from the IKSU server! " + status.toString());
        }
        //InputStream ist = response.getEntity().getContent();

        return response.getEntity().getContent();
    } catch (Exception e) {
        e.printStackTrace();
        throw new ClientProtocolException("Protocol Exception! " + e.toString());
    }
}

From source file:com.aincc.ber.utils.FakeSocketFactory.java

private static SSLContext createEasySSLContext() throws IOException {
    try {/*from   w  w  w.j  a  va 2 s .co m*/
        final SSLContext context = SSLContext.getInstance("TLS");
        context.init(null, new TrustManager[] { new NaiveTrustManager() }, null);
        return context;
    } catch (Exception e) {
        throw new IOException(e.getMessage());
    }
}