Examples with OutputStreamBuilder org.apache.camel.converter.stream.OutputStreamBuilder used on opensource projects

Example 6 with OutputStreamBuilder

use of org.apache.camel.converter.stream.OutputStreamBuilder in project camel by apache.

the class LZFDataFormat method unmarshal.

@Override
public Object unmarshal(final Exchange exchange, final InputStream inputStream) throws Exception {
    InputStream compressedInput = null;
    OutputStreamBuilder osb = OutputStreamBuilder.withExchange(exchange);
    try {
        compressedInput = new LZFInputStream(inputStream);
        IOHelper.copy(compressedInput, osb);
        return osb.build();
    } finally {
        // must close all input streams
        IOHelper.close(osb, compressedInput, inputStream);
    }
}

Example 7 with OutputStreamBuilder

use of org.apache.camel.converter.stream.OutputStreamBuilder in project camel by apache.

the class ZipFileDataFormat method unmarshal.

@Override
public Object unmarshal(final Exchange exchange, final InputStream inputStream) throws Exception {
    if (usingIterator) {
        ZipIterator zipIterator = new ZipIterator(exchange.getIn());
        zipIterator.setAllowEmptyDirectory(allowEmptyDirectory);
        return zipIterator;
    } else {
        ZipInputStream zis = new ZipInputStream(inputStream);
        OutputStreamBuilder osb = OutputStreamBuilder.withExchange(exchange);
        try {
            ZipEntry entry = zis.getNextEntry();
            if (entry != null) {
                exchange.getOut().setHeader(FILE_NAME, entry.getName());
                IOHelper.copy(zis, osb);
            }
            entry = zis.getNextEntry();
            if (entry != null) {
                throw new IllegalStateException("Zip file has more than 1 entry.");
            }
            return osb.build();
        } finally {
            IOHelper.close(zis, osb);
        }
    }
}

Example 8 with OutputStreamBuilder

use of org.apache.camel.converter.stream.OutputStreamBuilder in project camel by apache.

the class TarFileDataFormat method unmarshal.

@Override
public Object unmarshal(final Exchange exchange, final InputStream stream) throws Exception {
    if (usingIterator) {
        return new TarIterator(exchange.getIn(), stream);
    } else {
        BufferedInputStream bis = new BufferedInputStream(stream);
        TarArchiveInputStream tis = (TarArchiveInputStream) new ArchiveStreamFactory().createArchiveInputStream(ArchiveStreamFactory.TAR, bis);
        OutputStreamBuilder osb = OutputStreamBuilder.withExchange(exchange);
        try {
            TarArchiveEntry entry = tis.getNextTarEntry();
            if (entry != null) {
                exchange.getOut().setHeader(FILE_NAME, entry.getName());
                IOHelper.copy(tis, osb);
            }
            entry = tis.getNextTarEntry();
            if (entry != null) {
                throw new IllegalStateException("Tar file has more than 1 entry.");
            }
            return osb.build();
        } finally {
            IOHelper.close(osb, tis, bis);
        }
    }
}

Example 9 with OutputStreamBuilder

use of org.apache.camel.converter.stream.OutputStreamBuilder in project camel by apache.

the class DropboxAPIFacade method downloadSingleFile.

private Map.Entry<String, Object> downloadSingleFile(String path) throws DropboxException {
    try {
        OutputStreamBuilder target = OutputStreamBuilder.withExchange(exchange);
        DbxEntry.File downloadedFile = client.getFile(path, null, target);
        if (downloadedFile != null) {
            LOG.debug("downloaded path={}", path);
            return new AbstractMap.SimpleEntry<>(path, target.build());
        } else {
            return null;
        }
    } catch (DbxException e) {
        throw new DropboxException(path + " does not exist or can't obtain metadata");
    } catch (IOException e) {
        throw new DropboxException(path + " can't obtain a stream");
    }
}

Example 10 with OutputStreamBuilder

use of org.apache.camel.converter.stream.OutputStreamBuilder in project camel by apache.

the class MarshalProcessor method process.

public boolean process(Exchange exchange, AsyncCallback callback) {
    ObjectHelper.notNull(dataFormat, "dataFormat");
    // if stream caching is enabled then use that so we can stream accordingly
    // for example to overflow to disk for big streams
    OutputStreamBuilder osb = OutputStreamBuilder.withExchange(exchange);
    Message in = exchange.getIn();
    Object body = in.getBody();
    // lets setup the out message before we invoke the dataFormat
    // so that it can mutate it if necessary
    Message out = exchange.getOut();
    out.copyFrom(in);
    try {
        dataFormat.marshal(exchange, body, osb);
        out.setBody(osb.build());
    } catch (Throwable e) {
        // remove OUT message, as an exception occurred
        exchange.setOut(null);
        exchange.setException(e);
    }
    callback.done(true);
    return true;
}