Example usage for java.io IOException initCause

List of usage examples for java.io IOException initCause

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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:com.adito.vfs.webdav.methods.PROPFIND.java

/**
 * <p>/*ww  w.j  a v  a  2  s .com*/
 * Process the <code>PROPFIND</code> method.
 * </p>
 */
public void process(DAVTransaction transaction, VFSResource resource) throws LockedException, IOException {
    if (transaction.isRequiredRootRedirect() || !transaction.isResourcePath(resource.getFullPath())) {
        throw new DAVRedirection(false, resource);
    }

    String handle = VFSLockManager.getNewHandle();
    VFSLockManager.getInstance().lock(resource, transaction.getSessionInfo(), false, false, handle);
    try {
        /* Check depth */
        int depth = transaction.getDepth();
        if (depth > 1)
            throw new DAVException(403, "Invalid depth");

        if (SystemProperties.get("adito.disableFolderBrowsing", "true").equals("true")
                && !resource.isBrowsable()) {
            transaction.getResponse().sendError(404, "Not Found");
            return;
        }
        /* What to do on a collection resource */
        transaction.setStatus(207);
        transaction.setContentType("text/xml; charset=\"utf-8\"");
        PrintWriter out = transaction.write("utf-8");

        /* Output the XML declaration and the root document tag */
        out.print("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
        out.println("<D:multistatus xmlns:D=\"DAV:\">");

        /* Process this resource's property (always) */
        this.process(transaction, out, resource);

        /* Process this resource's children (if required) */
        if (resource.isCollection() && (depth > 0)) {
            Iterator children = resource.getChildren();
            while (children.hasNext()) {
                VFSResource child = (VFSResource) children.next();
                this.process(transaction, out, child);
            }
        }

        /* Close up the XML Multi-Status response */
        out.println("</D:multistatus>");
        out.flush();

        // Mount may be null at root
        if (resource.getMount() != null) {
            resource.getMount().resourceAccessList(resource, transaction, null);
        }

    } catch (Exception e) {
        // Mount may be null at root
        if (resource.getMount() != null) {
            resource.getMount().resourceAccessList(resource, transaction, e);
        }
        IOException ioe = new IOException(e.getMessage());
        ioe.initCause(e);
        throw ioe;
    } finally {
        VFSLockManager.getInstance().unlock(transaction.getSessionInfo(), handle);
    }
}

From source file:com.sslexplorer.vfs.webdav.methods.PROPFIND.java

/**
 * <p>/*ww w.j av a  2 s  .c o m*/
 * Process the <code>PROPFIND</code> method.
 * </p>
 */
public void process(DAVTransaction transaction, VFSResource resource) throws LockedException, IOException {
    if (transaction.isRequiredRootRedirect() || !transaction.isResourcePath(resource.getFullPath())) {
        throw new DAVRedirection(false, resource);
    }

    String handle = VFSLockManager.getNewHandle();
    VFSLockManager.getInstance().lock(resource, transaction.getSessionInfo(), false, false, handle);
    try {
        /* Check depth */
        int depth = transaction.getDepth();
        if (depth > 1)
            throw new DAVException(403, "Invalid depth");

        if (SystemProperties.get("sslexplorer.disableFolderBrowsing", "true").equals("true")
                && !resource.isBrowsable()) {
            transaction.getResponse().sendError(404, "Not Found");
            return;
        }
        /* What to do on a collection resource */
        transaction.setStatus(207);
        transaction.setContentType("text/xml; charset=\"utf-8\"");
        PrintWriter out = transaction.write("utf-8");

        /* Output the XML declaration and the root document tag */
        out.print("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
        out.println("<D:multistatus xmlns:D=\"DAV:\">");

        /* Process this resource's property (always) */
        this.process(transaction, out, resource);

        /* Process this resource's children (if required) */
        if (resource.isCollection() && (depth > 0)) {
            Iterator children = resource.getChildren();
            while (children.hasNext()) {
                VFSResource child = (VFSResource) children.next();
                this.process(transaction, out, child);
            }
        }

        /* Close up the XML Multi-Status response */
        out.println("</D:multistatus>");
        out.flush();

        // Mount may be null at root
        if (resource.getMount() != null) {
            resource.getMount().resourceAccessList(resource, transaction, null);
        }

    } catch (Exception e) {
        // Mount may be null at root
        if (resource.getMount() != null) {
            resource.getMount().resourceAccessList(resource, transaction, e);
        }
        IOException ioe = new IOException(e.getMessage());
        ioe.initCause(e);
        throw ioe;
    } finally {
        VFSLockManager.getInstance().unlock(transaction.getSessionInfo(), handle);
    }
}

From source file:ch.cyberduck.core.http.HttpPath.java

/**
 * @param command Callable writing entity to stream and returning checksum
 * @param <T>     Type of returned checksum
 * @return Outputstream to write entity into.
 * @throws IOException Transport error/*from   ww  w.  j  a  v a  2  s  .  c  o  m*/
 */
protected <T> ResponseOutputStream<T> write(final DelayedHttpEntityCallable<T> command) throws IOException {
    /**
     * Signal on enter streaming
     */
    final CountDownLatch entry = new CountDownLatch(1);
    final CountDownLatch exit = new CountDownLatch(1);

    try {
        final DelayedHttpEntity entity = new DelayedHttpEntity(entry) {
            @Override
            public long getContentLength() {
                return command.getContentLength();
            }
        };
        final String type = new MappingMimeTypeService().getMime(this.getName());
        entity.setContentType(new BasicHeader(HTTP.CONTENT_TYPE, type));
        final FutureHttpResponse<T> target = new FutureHttpResponse<T>() {
            @Override
            public void run() {
                // Need batcher for logging messages up to the interface
                final ActionOperationBatcher autorelease = ActionOperationBatcherFactory.get();
                try {
                    response = command.call(entity);
                } catch (IOException e) {
                    exception = e;
                } finally {
                    // For zero byte files #writeTo is never called and the entry latch not triggered
                    entry.countDown();
                    // Continue reading the response
                    exit.countDown();
                    autorelease.operate();
                }
            }
        };
        final Thread t = factory.newThread(target);
        t.start();
        // Wait for output stream to become available
        entry.await();
        if (null != target.getException()) {
            throw target.getException();
        }
        final OutputStream stream = entity.getStream();
        return new ResponseOutputStream<T>(stream) {
            /**
             * Only available after this stream is closed.
             * @return Response from server for upload
             * @throws IOException Transport error
             */
            @Override
            public T getResponse() throws IOException {
                try {
                    // Block the calling thread until after the full response from the server
                    // has been consumed.
                    exit.await();
                } catch (InterruptedException e) {
                    IOException failure = new IOException(e.getMessage());
                    failure.initCause(e);
                    throw failure;
                }
                if (null != target.getException()) {
                    throw target.getException();
                }
                return target.getResponse();
            }
        };
    } catch (InterruptedException e) {
        log.error("Error waiting for output stream:" + e.getMessage());
        IOException failure = new IOException(e.getMessage());
        failure.initCause(e);
        throw failure;
    }
}

From source file:org.kontalk.client.ClientHTTPConnection.java

private IOException innerException(String detail, Throwable cause) {
    IOException ie = new IOException(detail);
    ie.initCause(cause);
    return ie;//www  .  j  a  va  2s. co m
}

From source file:org.codehaus.mojo.pml10n.GoogleInterpreter.java

JSONObject retrieveJSON(final URL url) throws IOException {
    final HttpURLConnection uc = (HttpURLConnection) url.openConnection();
    uc.setRequestProperty("referer", referrer);
    uc.setDoOutput(false);//ww w.  j  a v  a  2 s  .c om
    try {
        return new JSONObject(IOUtil.toString(uc.getInputStream()));
    } catch (JSONException e) {
        IOException ioe = new IOException(e.getMessage());
        ioe.initCause(e);
        throw ioe;
    } finally {
        uc.getInputStream().close();
        if (uc.getErrorStream() != null) {
            uc.getErrorStream().close();
        }
    }
}

From source file:com.adaptris.core.http.jetty.MessageConsumer.java

@Override
public AdaptrisMessage createMessage(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    AdaptrisMessage msg = null;/*  w  ww  .ja va 2  s  . c  o m*/
    OutputStream out = null;
    try {
        logHeaders(request);
        if (getEncoder() != null) {
            msg = getEncoder().readMessage(request);
        } else {
            msg = defaultIfNull(getMessageFactory()).newMessage();
            out = msg.getOutputStream();
            if (request.getContentLength() == -1) {
                IOUtils.copy(request.getInputStream(), out);
            } else {
                StreamUtil.copyStream(request.getInputStream(), out, request.getContentLength());
            }
            out.flush();
        }
        msg.setContentEncoding(request.getCharacterEncoding());
        addParamMetadata(msg, request);
        addHeaderMetadata(msg, request);
    } catch (CoreException e) {
        IOException ioe = new IOException(e.getMessage());
        ioe.initCause(e);
        throw ioe;
    } finally {
        IOUtils.closeQuietly(out);
    }
    return msg;
}

From source file:org.apache.lucene.benchmark.byTask.feeds.ContentSource.java

/**
 * Returns an {@link InputStream} over the requested file. This method
 * attempts to identify the appropriate {@link InputStream} instance to return
 * based on the file name (e.g., if it ends with .bz2 or .bzip, return a
 * 'bzip' {@link InputStream}).//  w w w.ja v  a2s  .com
 */
protected InputStream getInputStream(File file) throws IOException {
    // First, create a FileInputStream, as this will be required by all types.
    // Wrap with BufferedInputStream for better performance
    InputStream is = new BufferedInputStream(new FileInputStream(file), BUFFER_SIZE);

    String fileName = file.getName();
    int idx = fileName.lastIndexOf('.');
    int type = OTHER;
    if (idx != -1) {
        Integer typeInt = (Integer) extensionToType.get(fileName.substring(idx));
        if (typeInt != null) {
            type = typeInt.intValue();
        }
    }
    switch (type) {
    case BZIP:
        try {
            // According to BZip2CompressorInputStream's code, it reads the first 
            // two file header chars ('B' and 'Z'). It is important to wrap the
            // underlying input stream with a buffered one since
            // Bzip2CompressorInputStream uses the read() method exclusively.
            is = csFactory.createCompressorInputStream("bzip2", is);
        } catch (CompressorException e) {
            IOException ioe = new IOException(e.getMessage());
            ioe.initCause(e);
            throw ioe;
        }
        break;
    default: // Do nothing, stay with FileInputStream
    }

    return is;
}

From source file:org.apache.hadoop.hbase.regionserver.HLog.java

/**
 * Split up a bunch of regionserver commit log files that are no longer
 * being written to, into new files, one per region for region to replay on
 * startup. Delete the old log files when finished.
 *
 * @param rootDir qualified root directory of the HBase instance
 * @param srcDir Directory of log files to split: e.g.
 *                <code>${ROOTDIR}/log_HOST_PORT</code>
 * @param fs FileSystem//from  w  w  w . j  a v a  2s  .com
 * @param conf HBaseConfiguration
 * @throws IOException
 */
public static List<Path> splitLog(final Path rootDir, final Path srcDir, final FileSystem fs,
        final HBaseConfiguration conf) throws IOException {
    long millis = System.currentTimeMillis();
    List<Path> splits = null;
    if (!fs.exists(srcDir)) {
        // Nothing to do
        return splits;
    }
    FileStatus[] logfiles = fs.listStatus(srcDir);
    if (logfiles == null || logfiles.length == 0) {
        // Nothing to do
        return splits;
    }
    LOG.info("Splitting " + logfiles.length + " hlog(s) in " + srcDir.toString());
    splits = splitLog(rootDir, logfiles, fs, conf);
    try {
        fs.delete(srcDir, true);
    } catch (IOException e) {
        e = RemoteExceptionHandler.checkIOException(e);
        IOException io = new IOException("Cannot delete: " + srcDir);
        io.initCause(e);
        throw io;
    }
    long endMillis = System.currentTimeMillis();
    LOG.info("hlog file splitting completed in " + (endMillis - millis) + " millis for " + srcDir.toString());
    return splits;
}

From source file:org.apache.hadoop.hive.hwi.HWIServer.java

/**
 * This method initialized the internal Jetty Servlet Engine. It adds the
 * hwi context path./*from w  w  w . ja v  a  2 s.c o m*/
 * 
 * @throws java.io.IOException
 *             Port already in use, bad bind etc.
 */
public void start() throws IOException {

    HiveConf conf = new HiveConf(this.getClass());

    String listen = null;
    int port = -1;

    listen = conf.getVar(HiveConf.ConfVars.HIVEHWILISTENHOST);
    port = conf.getIntVar(HiveConf.ConfVars.HIVEHWILISTENPORT);

    if (listen.equals("")) {
        l4j.warn("hive.hwi.listen.host was not specified defaulting to 0.0.0.0");
        listen = "0.0.0.0";
    }
    if (port == -1) {
        l4j.warn("hive.hwi.listen.port was not specified defaulting to 9999");
        port = 9999;
    }

    String hwiWAR = conf.getVar(HiveConf.ConfVars.HIVEHWIWARFILE);
    String hivehome = System.getenv().get("HIVE_HOME");
    File hwiWARFile = new File(hivehome, hwiWAR);
    if (!hwiWARFile.exists()) {
        l4j.fatal("HWI WAR file not found at " + hwiWARFile.toString());
        System.exit(1);
    }

    webServer = ShimLoader.getJettyShims().startServer(listen, port);
    webServer.addWar(hwiWARFile.toString(), "/hwi");

    /*
     * The command line args may be used by multiple components. Rather by
     * setting these as a system property we avoid having to specifically
     * pass them
     */
    StringBuilder sb = new StringBuilder();
    for (String arg : args) {
        sb.append(arg + " ");
    }
    System.setProperty("hwi-args", sb.toString());

    try {
        while (true) {
            try {
                webServer.start();
                webServer.join();
                l4j.debug(" HWI Web Server is started.");
                break;
            } catch (org.mortbay.util.MultiException ex) {
                throw ex;
            }
        }
    } catch (IOException ie) {
        throw ie;
    } catch (Exception e) {
        IOException ie = new IOException("Problem starting HWI server");
        ie.initCause(e);
        l4j.error("Parsing hwi.listen.port caused exception ", e);
        throw ie;
    }
}

From source file:org.cloudata.core.common.CStatusHttpServer.java

/**
 * Start the server. Does not wait for the server to start.
 */// w ww .  j a v a2 s .com
public void start() throws IOException {
    if (jettyServer == null) {
        return;
    }
    try {
        jettyServer.start();
    } catch (IOException ie) {
        LOG.error(ie);
        throw ie;
    } catch (Exception e) {
        IOException ie = new IOException("Problem starting http server");
        ie.initCause(e);
        throw ie;
    }
    LOG.info("Web-server up at: " + port);
}