Example usage for org.apache.commons.io.input ProxyInputStream ProxyInputStream

Introduction

In this page you can find the example usage for org.apache.commons.io.input ProxyInputStream ProxyInputStream.

Prototype

public ProxyInputStream(InputStream proxy) 

Source Link

Document

Constructs a new ProxyInputStream.

Usage

From source file:ch.cyberduck.core.azure.AzureReadFeature.java

@Override
public InputStream read(final Path file, final TransferStatus status, final ConnectionCallback callback)
        throws BackgroundException {
    try {/*from www. j  a va2 s.co  m*/
        final CloudBlob blob = session.getClient()
                .getContainerReference(containerService.getContainer(file).getName())
                .getBlobReferenceFromServer(containerService.getKey(file));
        final BlobRequestOptions options = new BlobRequestOptions();
        options.setConcurrentRequestCount(1);
        final BlobInputStream in = blob.openInputStream(AccessCondition.generateEmptyCondition(), options,
                context);
        if (status.isAppend()) {
            try {
                return StreamCopier.skip(in, status.getOffset());
            } catch (IndexOutOfBoundsException e) {
                // If offset is invalid
                throw new DefaultExceptionMappingService().map(e);
            }
        }
        return new ProxyInputStream(in) {
            @Override
            protected void handleIOException(final IOException e) throws IOException {
                if (StringUtils.equals(SR.STREAM_CLOSED, e.getMessage())) {
                    log.warn(String.format("Ignore failure %s", e));
                    return;
                }
                final Throwable cause = ExceptionUtils.getRootCause(e);
                if (cause instanceof StorageException) {
                    throw new IOException(e.getMessage(),
                            new AzureExceptionMappingService().map((StorageException) cause));
                }
                throw e;
            }
        };
    } catch (StorageException e) {
        throw new AzureExceptionMappingService().map("Download {0} failed", e, file);
    } catch (URISyntaxException e) {
        throw new NotfoundException(e.getMessage(), e);
    }
}

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From source file:grails.plugin.cloudfoundry.GrailsHttpRequestFactory.java

protected InputStream wrap(final InputStream inputStream) {
    return new ProxyInputStream(inputStream) {
        @Override/*from w w  w.  j a  v  a  2s . c  om*/
        public int read(byte[] bts, int st, int end) throws IOException {
            int count = super.read(bts, st, end);
            if (count > 0) {
                bytes.write(bts, st, st + count);
            }
            return count;
        }
    };
}

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From source file:com.streamsets.datacollector.io.DataStore.java

/**
 * Returns an input stream for the requested file.
 *
 * After completing the read the stream must be closed. It is not necessary to call the {@link #release()}
 * method after reading from the input stream.
 *
 * Example usage:/*from   ww w  .  jav  a2 s.co m*/
 *
 * DataStore dataStore = new DataStore(...);
 * try (InputStream is = dataStore.getInputStream()) {
 *   // read from is
 * } catch (IOException e) {
 *   ...
 * }
 *
 * @return
 * @throws IOException
 */
public InputStream getInputStream() throws IOException {
    acquireLock();
    try {
        isClosed = false;
        forWrite = false;
        LOG.trace("Starts read '{}'", file);
        verifyAndRecover();
        InputStream is = new ProxyInputStream(new FileInputStream(file.toFile())) {
            @Override
            public void close() throws IOException {
                if (isClosed) {
                    return;
                }
                try {
                    super.close();
                } finally {
                    release();
                    isClosed = true;
                    stream = null;
                }
                LOG.trace("Finishes read '{}'", file);
            }
        };
        stream = is;
        return is;
    } catch (Exception ex) {
        release();
        throw ex;
    }
}

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From source file:ch.cyberduck.core.local.FinderLocal.java

@Override
public InputStream getInputStream() throws AccessDeniedException {
    final NSURL resolved;
    try {//from w  w  w.  j a v  a2s . co  m
        resolved = this.lock(false);
    } catch (AccessDeniedException e) {
        return super.getInputStream();
    }
    try {
        return new ProxyInputStream(new LocalRepeatableFileInputStream(new File(resolved.path()))) {
            @Override
            public void close() throws IOException {
                try {
                    super.close();
                } finally {
                    release(resolved);
                }
            }
        };
    } catch (FileNotFoundException e) {
        throw new LocalAccessDeniedException(e.getMessage(), e);
    }
}

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From source file:ch.cyberduck.core.ftp.FTPPath.java

@Override
public InputStream read(final TransferStatus status) throws IOException {
    final FTPSession session = getSession();
    this.data(new DataConnectionAction() {
        @Override/*from w ww. j  a va  2  s.  c  o m*/
        public boolean run() throws IOException {
            if (!session.getClient().setFileType(FTP.BINARY_FILE_TYPE)) {
                throw new FTPException(session.getClient().getReplyString());
            }
            return true;
        }
    });
    if (status.isResume()) {
        // Where a server process supports RESTart in STREAM mode
        if (!session.getClient().isFeatureSupported("REST STREAM")) {
            status.setResume(false);
        } else {
            session.getClient().setRestartOffset(status.getCurrent());
        }
    }
    return new ProxyInputStream(session.getClient().retrieveFileStream(getAbsolute())) {
        private boolean complete;

        @Override
        protected void afterRead(final int n) throws IOException {
            if (-1 == n) {
                complete = true;
            }
        }

        @Override
        public void close() throws IOException {
            try {
                super.close();
            } finally {
                if (complete) {
                    // Read 226 status
                    if (!session.getClient().completePendingCommand()) {
                        throw new FTPException(session.getClient().getReplyString());
                    }
                } else {
                    // Interrupted transfer
                    if (!session.getClient().abort()) {
                        log.error("Error closing data socket:" + session.getClient().getReplyString());
                    }
                }
            }
        }
    };
}

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From source file:org.nuxeo.ecm.web.resources.wro.processor.FlavorResourceProcessor.java

@Override
protected void process(final Resource resource, final Reader reader, final Writer writer, String flavorName)
        throws IOException {
    final InputStream is = new ProxyInputStream(new ReaderInputStream(reader, getEncoding())) {
    };//from   www .j  a  v a  2s  . c  om
    final OutputStream os = new ProxyOutputStream(new WriterOutputStream(writer, getEncoding()));
    try {
        Map<String, String> presets = null;
        if (flavorName != null) {
            ThemeStylingService s = Framework.getService(ThemeStylingService.class);
            presets = s.getPresetVariables(flavorName);
        }
        if (presets == null || presets.isEmpty()) {
            IOUtils.copy(is, os);
        } else {
            String content = IOUtils.toString(reader);
            for (Map.Entry<String, String> preset : presets.entrySet()) {
                content = Pattern.compile("\"" + preset.getKey() + "\"", Pattern.LITERAL).matcher(content)
                        .replaceAll(Matcher.quoteReplacement(preset.getValue()));
            }
            writer.write(content);
            writer.flush();
        }
        is.close();
    } catch (final Exception e) {
        log.error("Error while serving resource " + resource.getUri(), e);
        throw WroRuntimeException.wrap(e);
    } finally {
        IOUtils.closeQuietly(is);
        IOUtils.closeQuietly(os);
    }
}

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From source file:org.nuxeo.theme.styling.wro.FlavorResourceProcessor.java

protected void process(final Resource resource, final Reader reader, final Writer writer, String flavorName)
        throws IOException {
    final InputStream is = new ProxyInputStream(new ReaderInputStream(reader, getEncoding())) {
    };// www  .j a  v  a  2 s . c o  m
    final OutputStream os = new ProxyOutputStream(new WriterOutputStream(writer, getEncoding()));
    try {
        Map<String, String> presets = null;
        if (flavorName != null) {
            ThemeStylingService s = Framework.getService(ThemeStylingService.class);
            presets = s.getPresetVariables(flavorName);
        }
        if (presets == null || presets.isEmpty()) {
            IOUtils.copy(is, os);
        } else {
            String content = IOUtils.toString(reader);
            for (Map.Entry<String, String> preset : presets.entrySet()) {
                content = Pattern.compile(String.format("\"%s\"", preset.getKey()), Pattern.LITERAL)
                        .matcher(content).replaceAll(Matcher.quoteReplacement(preset.getValue()));
            }
            writer.write(content);
            writer.flush();
        }
        is.close();
        os.close();
    } catch (final Exception e) {
        throw WroRuntimeException.wrap(e);
    } finally {
        IOUtils.closeQuietly(is);
        IOUtils.closeQuietly(os);
    }
}

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