Example usage for java.io IOException initCause

Introduction

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

Prototype

public synchronized Throwable initCause(Throwable cause) 

Source Link

Document

Initializes the cause of this throwable to the specified value.

Usage

From source file:org.wso2.carbon.javaee.tomee.scan.ASTomEEJarScanner.java

/**
 * Scan a URL for JARs with the optional extensions to look at all files
 * and all directories./*from w  ww  .  j  av a  2s.  com*/
 */
private void process(JarScannerCallback callback, URL url) throws IOException {

    if (log.isTraceEnabled()) {
        log.trace(sm.getString("jarScan.jarUrlStart", url));
    }

    URLConnection conn = url.openConnection();
    if (conn instanceof JarURLConnection) {
        callback.scan((JarURLConnection) conn);
    } else {
        String urlStr = url.toString();
        if (urlStr.startsWith("file:") || urlStr.startsWith("jndi:")) {
            if (urlStr.endsWith(Constants.JAR_EXT)) {
                URL jarURL = new URL("jar:" + urlStr + "!/");
                callback.scan((JarURLConnection) jarURL.openConnection());
            } else {
                File f;
                try {
                    f = new File(url.toURI());
                    if (f.isFile() && isScanAllFiles()) {
                        // Treat this file as a JAR
                        URL jarURL = new URL("jar:" + urlStr + "!/");
                        callback.scan((JarURLConnection) jarURL.openConnection());
                    } else if (f.isDirectory() && isScanAllDirectories()) {
                        File metainf = new File(f.getAbsoluteFile() + File.separator + "META-INF");
                        if (metainf.isDirectory()) {
                            callback.scan(f);
                        }
                    }
                } catch (URISyntaxException e) {
                    // Wrap the exception and re-throw
                    IOException ioe = new IOException();
                    ioe.initCause(e);
                    throw ioe;
                }
            }
        }
    }

}

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From source file:uk.ac.ox.webauth.WebKdcXmlRequest.java

/**
 * Post the request and return the response document.
 * @param   body    The request body to post.
 * @return  the parsed XML response.//from w w  w  .ja v  a  2  s  .c  o  m
 * @throws  IOException when something goes wrong.
 */
public Document doPost(String body) throws IOException {
    HttpClient client = new HttpClient();
    PostMethod post = new PostMethod(url);
    post.setRequestEntity(new StringRequestEntity(body, "text/xml", null));
    InputStream xml = null;
    Document doc = null;
    try {
        int rcode = client.executeMethod(post);
        xml = post.getResponseBodyAsStream();
        DocumentBuilder docBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
        doc = docBuilder.parse(xml);

        if (rcode != 200) {
            throw new IOException("Got response " + rcode + " when trying to post to URL " + url
                    + " with request body:\n" + body);
        }
    } catch (ParserConfigurationException pce) {
        IOException ioe = new IOException("Could not create the XML parser to read the response.");
        ioe.initCause(pce);
        throw ioe;
    } catch (SAXException se) {
        IOException ioe = new IOException("Could not parse the XML response.");
        ioe.initCause(se);
        throw ioe;
    } finally {
        if (xml != null) {
            xml.close();
        }
        post.releaseConnection();
    }
    return doc;
}

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From source file:org.jboss.spring.vfs.VFSResource.java

public URI getURI() throws IOException {
    try {//from  www . ja v a  2s .c  o  m
        return VFSUtil.invokeMethodWithExpectedExceptionType(VFSUtil.VIRTUAL_FILE_METHOD_TO_URI, file,
                URISyntaxException.class);
    } catch (URISyntaxException e) {
        IOException ioe = new IOException(e.getMessage());
        ioe.initCause(e);
        throw ioe;
    }
}

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From source file:ch.cyberduck.core.cf.CFSessionKeystone.java

@Override
protected void login(final LoginController controller, final Credentials credentials) throws IOException {
    final FilesClientKeystone client = this.getClient();
    client.setUserName(credentials.getUsername());
    client.setPassword(credentials.getPassword());
    try {//from  w w  w .  j  ava  2  s  . c  om
        if (!client.login()) {
            this.message(Locale.localizedString("Login failed", "Credentials"));
            controller.fail(host.getProtocol(), credentials);
            this.login();
        }
    } //
    catch (HttpException e) {
        IOException failure = new IOException(e.getMessage());
        failure.initCause(e);
        throw failure;
    }
}

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From source file:org.codehaus.mojo.mrm.impl.digest.MD5DigestFileEntry.java

/**
 * Generates the digest.//from  w ww.j  a  va2 s. co m
 *
 * @return the digest.
 * @throws IOException if the backing entry could not be read.
 * @since 1.0
 */
private byte[] getContent() throws IOException {
    InputStream is = null;
    try {
        MessageDigest digest = MessageDigest.getInstance("MD5");
        digest.reset();
        byte[] buffer = new byte[8192];
        int read;
        try {
            is = entry.getInputStream();
            while ((read = is.read(buffer)) > 0) {
                digest.update(buffer, 0, read);
            }
        } catch (IOException e) {
            if (is != null) {
                throw e;
            }
        }
        final String md5 = StringUtils.leftPad(new BigInteger(1, digest.digest()).toString(16), 32, "0");
        return md5.getBytes();
    } catch (NoSuchAlgorithmException e) {
        IOException ioe = new IOException("Unable to calculate hash");
        ioe.initCause(e);
        throw ioe;
    } finally {
        IOUtils.closeQuietly(is);
    }
}

---

From source file:org.ardverk.daap.nio.DaapRequestReaderNIO.java

public DaapRequest read() throws IOException {

    DaapRequest ret = null;/*from   w ww .  j a  v a 2  s  .  co  m*/

    if (pending.isEmpty() == false)
        ret = pending.removeFirst();

    String line = null;

    while ((line = lineReader.read(in, connection.getReadChannel())) != null) {

        bytesRead += in.position();

        if (requestLine == null) {
            requestLine = line;

        } else {
            int p = line.indexOf(':');

            if (p == -1) {
                requestLine = null;
                headers.clear();
                lineReader = null;
                throw new IOException("Malformed Header");
            }

            String name = line.substring(0, p).trim();
            String value = line.substring(++p).trim();
            headers.add(new BasicHeader(name, value));
        }
    }

    if (lineReader.isComplete()) {

        DaapRequest request = null;

        try {
            request = new DaapRequest(connection, requestLine);
            request.addHeaders(headers);
        } catch (URISyntaxException e) {
            IOException ioe = new IOException();
            ioe.initCause(e);
            throw ioe;
        } finally {
            requestLine = null;
            headers.clear();
        }

        if (ret == null) {
            ret = request;
        } else {
            pending.addLast(request);
        }
    } else if (headers.size() >= 64) {
        requestLine = null;
        headers.clear();
        throw new IOException("Header too large");
    }

    return ret;
}

---

From source file:com.adito.vfs.webdav.methods.COPY.java

/**
 * <p>/*from  w  w  w .j  a  v a2 s  . co  m*/
 * Process the <code>COPY</code> method.
 * </p>
 * 
 * @throws IOException
 */
public void process(DAVTransaction transaction, VFSResource resource) throws LockedException, IOException {

    String handle = VFSLockManager.getNewHandle();
    VFSLockManager.getInstance().lock(resource, transaction.getSessionInfo(), false, true, handle);

    String action = (String) transaction.getRequest().getMethod();

    VFSResource dest = null;

    try {

        URI target = transaction.getDestination();

        if (target == null)
            throw new DAVException(412, "No destination");
        if (log.isDebugEnabled())
            log.debug("Target " + target.getPath());

        try {
            DAVProcessor processor = DAVServlet.getDAVProcessor(transaction.getRequest());
            dest = processor.getRepository().getResource(resource.getLaunchSession(), target.getPath(),
                    transaction.getCredentials()/*, transaction*/);
            VFSLockManager.getInstance().lock(dest, transaction.getSessionInfo(), true, false, handle);

        } catch (Exception ex) {
            log.error("Failed to get resource. ", ex);
            transaction.setStatus(500);
            return;
        }

        int depth = transaction.getDepth();
        boolean recursive = false;
        if (depth == 0) {
            recursive = false;
        } else if (depth == DAVTransaction.INFINITY) {
            recursive = true;
        } else {
            throw new DAVException(412, "Invalid Depth specified");
        }
        try {
            resource.copy(dest, transaction.getOverwrite(), recursive);
            transaction.setStatus(204);
        } catch (DAVMultiStatus multistatus) {
            multistatus.write(transaction);
        }
        if (action.equals("COPY")) {
            resource.getMount().resourceCopy(resource, dest, transaction, null);
        }
    } catch (Exception e) {
        if (action.equals("COPY")) {
            resource.getMount().resourceCopy(resource, dest, transaction, e);
        }
        IOException ioe = new IOException(e.getMessage());
        ioe.initCause(e);
        throw ioe;
    } finally {
        VFSLockManager.getInstance().unlock(transaction.getSessionInfo(), handle);
    }

}

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From source file:org.codehaus.mojo.mrm.impl.digest.SHA1DigestFileEntry.java

/**
 * Generates the digest.//w  ww.j a  va 2  s. co m
 *
 * @return the digest.
 * @throws IOException if the backing entry could not be read.
 * @since 1.0
 */
private byte[] getContent() throws IOException {
    InputStream is = null;
    try {
        MessageDigest digest = MessageDigest.getInstance("SHA1");
        digest.reset();
        byte[] buffer = new byte[8192];
        int read;
        try {
            is = entry.getInputStream();
            while ((read = is.read(buffer)) > 0) {
                digest.update(buffer, 0, read);
            }
        } catch (IOException e) {
            if (is != null) {
                throw e;
            }
        }
        final String md5 = StringUtils.leftPad(new BigInteger(1, digest.digest()).toString(16), 40, "0");
        return md5.getBytes();
    } catch (NoSuchAlgorithmException e) {
        IOException ioe = new IOException("Unable to calculate hash");
        ioe.initCause(e);
        throw ioe;
    } finally {
        IOUtils.closeQuietly(is);
    }
}

---

From source file:org.apache.maven.doxia.module.fo.FoConfiguration.java

/**
 * Load configuration parameters from a File.
 *
 * @param configFile the configuration file.
 *
 * @throws java.io.IOException if the File cannot be read
 *  or some error occurs when initializing the configuration parameters.
 *
 * @since 1.1.1//  w w  w  . j ava  2 s .  c  o m
 */
public void load(File configFile) throws IOException {
    config.clear();

    try {
        config.load(configFile);
    } catch (ConfigurationException cex) {
        IOException ioe = new IOException();
        ioe.initCause(cex);
        throw ioe;
    }

    loadDefaultConfig(); // this adds default values that are missing from above
}

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