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

Example 1 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 2 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 3 with OutputStreamBuilder

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

the class JettyContentExchange9 method send.

public void send(HttpClient client) throws IOException {
    org.eclipse.jetty.client.api.Request.Listener listener = new Request.Listener.Adapter() {

        @Override
        public void onSuccess(Request request) {
            onRequestComplete();
        }

        @Override
        public void onFailure(Request request, Throwable failure) {
            onConnectionFailed(failure);
        }
    };
    InputStreamResponseListener responseListener = new InputStreamResponseListener() {

        OutputStreamBuilder osb = OutputStreamBuilder.withExchange(exchange);

        @Override
        public void onContent(Response response, ByteBuffer content, Callback callback) {
            byte[] buffer = new byte[content.limit()];
            content.get(buffer);
            try {
                osb.write(buffer);
                callback.succeeded();
            } catch (IOException e) {
                callback.failed(e);
            }
        }

        @Override
        public void onComplete(Result result) {
            if (result.isFailed()) {
                doTaskCompleted(result.getFailure());
            } else {
                try {
                    Object content = osb.build();
                    if (content instanceof byte[]) {
                        onResponseComplete(result, (byte[]) content);
                    } else {
                        StreamCache cos = (StreamCache) content;
                        ByteArrayOutputStream baos = new ByteArrayOutputStream();
                        cos.writeTo(baos);
                        onResponseComplete(result, baos.toByteArray());
                    }
                } catch (IOException e) {
                    doTaskCompleted(e);
                }
            }
        }
    };
    request.followRedirects(supportRedirect).listener(listener).send(responseListener);
}

Example 4 with OutputStreamBuilder

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

the class DataFormatTransformer method transform.

/**
     * Perform data transformation with specified from/to type using DataFormat.
     * @param message message to apply transformation
     * @param from 'from' data type
     * @param to 'to' data type
     */
@Override
public void transform(Message message, DataType from, DataType to) throws Exception {
    Exchange exchange = message.getExchange();
    CamelContext context = exchange.getContext();
    // Unmarshaling into Java Object
    if ((to == null || to.isJavaType()) && (from.equals(getFrom()) || from.getModel().equals(getModel()))) {
        DataFormat dataFormat = getDataFormat(exchange);
        LOG.debug("Unmarshaling with '{}'", dataFormat);
        Object answer = dataFormat.unmarshal(exchange, message.getBody(InputStream.class));
        if (to != null && to.getName() != null) {
            Class<?> toClass = context.getClassResolver().resolveClass(to.getName());
            if (!toClass.isAssignableFrom(answer.getClass())) {
                LOG.debug("Converting to '{}'", toClass.getName());
                answer = context.getTypeConverter().mandatoryConvertTo(toClass, answer);
            }
        }
        message.setBody(answer);
    // Marshaling from Java Object
    } else if ((from == null || from.isJavaType()) && (to.equals(getTo()) || to.getModel().equals(getModel()))) {
        Object input = message.getBody();
        if (from != null && from.getName() != null) {
            Class<?> fromClass = context.getClassResolver().resolveClass(from.getName());
            if (!fromClass.isAssignableFrom(input.getClass())) {
                LOG.debug("Converting to '{}'", fromClass.getName());
                input = context.getTypeConverter().mandatoryConvertTo(fromClass, input);
            }
        }
        OutputStreamBuilder osb = OutputStreamBuilder.withExchange(exchange);
        DataFormat dataFormat = getDataFormat(exchange);
        LOG.debug("Marshaling with '{}'", dataFormat);
        dataFormat.marshal(exchange, message.getBody(), osb);
        message.setBody(osb.build());
    } else {
        throw new IllegalArgumentException("Unsupported transformation: from='" + from + ", to='" + to + "'");
    }
}

Example 5 with OutputStreamBuilder

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

the class GzipDataFormat method unmarshal.

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