Examples with OutputStreamWriter java.io.OutputStreamWriter used on opensource projects

Example 41 with OutputStreamWriter

use of java.io.OutputStreamWriter in project jersey by jersey.

the class JettisonJaxbElementProvider method writeTo.

@Override
protected final void writeTo(JAXBElement<?> t, MediaType mediaType, Charset c, Marshaller m, OutputStream entityStream) throws JAXBException {
    JettisonMarshaller jsonMarshaller = JettisonJaxbContext.getJSONMarshaller(m);
    if (isFormattedOutput()) {
        jsonMarshaller.setProperty(JettisonMarshaller.FORMATTED, true);
    }
    jsonMarshaller.marshallToJSON(t, new OutputStreamWriter(entityStream, c));
}

Example 42 with OutputStreamWriter

use of java.io.OutputStreamWriter in project jersey by jersey.

the class JettisonListElementProvider method writeCollection.

@Override
public final void writeCollection(Class<?> elementType, Collection<?> t, MediaType mediaType, Charset c, Marshaller m, OutputStream entityStream) throws JAXBException, IOException {
    final OutputStreamWriter osw = new OutputStreamWriter(entityStream, c);
    JettisonConfig origJsonConfig = JettisonConfig.DEFAULT;
    if (m instanceof JettisonConfigured) {
        origJsonConfig = ((JettisonConfigured) m).getJSONConfiguration();
    }
    final JettisonConfig unwrappingJsonConfig = JettisonConfig.createJSONConfiguration(origJsonConfig);
    final XMLStreamWriter jxsw = Stax2JettisonFactory.createWriter(osw, unwrappingJsonConfig);
    final String invisibleRootName = getRootElementName(elementType);
    try {
        jxsw.writeStartDocument();
        jxsw.writeStartElement(invisibleRootName);
        for (Object o : t) {
            m.marshal(o, jxsw);
        }
        jxsw.writeEndElement();
        jxsw.writeEndDocument();
        jxsw.flush();
    } catch (XMLStreamException ex) {
        Logger.getLogger(JettisonListElementProvider.class.getName()).log(Level.SEVERE, null, ex);
        throw new JAXBException(ex.getMessage(), ex);
    }
}

Example 43 with OutputStreamWriter

use of java.io.OutputStreamWriter in project jersey by jersey.

the class JettisonRootElementProvider method writeTo.

@Override
protected void writeTo(Object t, MediaType mediaType, Charset c, Marshaller m, OutputStream entityStream) throws JAXBException {
    JettisonMarshaller jsonMarshaller = JettisonJaxbContext.getJSONMarshaller(m);
    if (isFormattedOutput()) {
        jsonMarshaller.setProperty(JettisonMarshaller.FORMATTED, true);
    }
    jsonMarshaller.marshallToJSON(t, new OutputStreamWriter(entityStream, c));
}

Example 44 with OutputStreamWriter

use of java.io.OutputStreamWriter in project jersey by jersey.

the class MultiPartWriter method writeTo.

/**
     * Write the entire list of body parts to the output stream, using the
     * appropriate provider implementation to serialize each body part's entity.
     *
     * @param entity      the {@link MultiPart} instance to write.
     * @param type        the class of the object to be written (i.e. {@link MultiPart}.class).
     * @param genericType the type of object to be written.
     * @param annotations annotations on the resource method that returned this object.
     * @param mediaType   media type ({@code multipart/*}) of this entity.
     * @param headers     mutable map of HTTP headers for the entire response.
     * @param stream      output stream to which the entity should be written.
     * @throws java.io.IOException if an I/O error occurs.
     * @throws javax.ws.rs.WebApplicationException
     *                             if an HTTP error response
     *                             needs to be produced (only effective if the response is not committed yet).
     */
@Override
public void writeTo(final MultiPart entity, final Class<?> type, final Type genericType, final Annotation[] annotations, final MediaType mediaType, final MultivaluedMap<String, Object> headers, final OutputStream stream) throws IOException, WebApplicationException {
    // Verify that there is at least one body part.
    if ((entity.getBodyParts() == null) || (entity.getBodyParts().size() < 1)) {
        throw new IllegalArgumentException(LocalizationMessages.MUST_SPECIFY_BODY_PART());
    }
    // If our entity is not nested, make sure the MIME-Version header is set.
    if (entity.getParent() == null) {
        final Object value = headers.getFirst("MIME-Version");
        if (value == null) {
            headers.putSingle("MIME-Version", "1.0");
        }
    }
    // Initialize local variables we need.
    final Writer writer = new BufferedWriter(new OutputStreamWriter(stream, MessageUtils.getCharset(mediaType)));
    // Determine the boundary string to be used, creating one if needed.
    final MediaType boundaryMediaType = Boundary.addBoundary(mediaType);
    if (boundaryMediaType != mediaType) {
        headers.putSingle(HttpHeaders.CONTENT_TYPE, boundaryMediaType.toString());
    }
    final String boundaryString = boundaryMediaType.getParameters().get("boundary");
    // Iterate through the body parts for this message.
    boolean isFirst = true;
    for (final BodyPart bodyPart : entity.getBodyParts()) {
        // Write the leading boundary string
        if (isFirst) {
            isFirst = false;
            writer.write("--");
        } else {
            writer.write("\r\n--");
        }
        writer.write(boundaryString);
        writer.write("\r\n");
        // Write the headers for this body part
        final MediaType bodyMediaType = bodyPart.getMediaType();
        if (bodyMediaType == null) {
            throw new IllegalArgumentException(LocalizationMessages.MISSING_MEDIA_TYPE_OF_BODY_PART());
        }
        final MultivaluedMap<String, String> bodyHeaders = bodyPart.getHeaders();
        bodyHeaders.putSingle("Content-Type", bodyMediaType.toString());
        if (bodyHeaders.getFirst("Content-Disposition") == null && bodyPart.getContentDisposition() != null) {
            bodyHeaders.putSingle("Content-Disposition", bodyPart.getContentDisposition().toString());
        }
        // Iterate for the nested body parts
        for (final Map.Entry<String, List<String>> entry : bodyHeaders.entrySet()) {
            // Write this header and its value(s)
            writer.write(entry.getKey());
            writer.write(':');
            boolean first = true;
            for (final String value : entry.getValue()) {
                if (first) {
                    writer.write(' ');
                    first = false;
                } else {
                    writer.write(',');
                }
                writer.write(value);
            }
            writer.write("\r\n");
        }
        // Mark the end of the headers for this body part
        writer.write("\r\n");
        writer.flush();
        // Write the entity for this body part
        Object bodyEntity = bodyPart.getEntity();
        if (bodyEntity == null) {
            throw new IllegalArgumentException(LocalizationMessages.MISSING_ENTITY_OF_BODY_PART(bodyMediaType));
        }
        Class bodyClass = bodyEntity.getClass();
        if (bodyEntity instanceof BodyPartEntity) {
            bodyClass = InputStream.class;
            bodyEntity = ((BodyPartEntity) bodyEntity).getInputStream();
        }
        final MessageBodyWriter bodyWriter = providers.getMessageBodyWriter(bodyClass, bodyClass, EMPTY_ANNOTATIONS, bodyMediaType);
        if (bodyWriter == null) {
            throw new IllegalArgumentException(LocalizationMessages.NO_AVAILABLE_MBW(bodyClass, mediaType));
        }
        bodyWriter.writeTo(bodyEntity, bodyClass, bodyClass, EMPTY_ANNOTATIONS, bodyMediaType, bodyHeaders, stream);
    }
    // Write the final boundary string
    writer.write("\r\n--");
    writer.write(boundaryString);
    writer.write("--\r\n");
    writer.flush();
}

Example 45 with OutputStreamWriter

use of java.io.OutputStreamWriter in project hadoop by apache.

the class CgroupsLCEResourcesHandler method updateCgroup.

private void updateCgroup(String controller, String groupName, String param, String value) throws IOException {
    String path = pathForCgroup(controller, groupName);
    param = controller + "." + param;
    if (LOG.isDebugEnabled()) {
        LOG.debug("updateCgroup: " + path + ": " + param + "=" + value);
    }
    PrintWriter pw = null;
    try {
        File file = new File(path + "/" + param);
        Writer w = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");
        pw = new PrintWriter(w);
        pw.write(value);
    } catch (IOException e) {
        throw new IOException("Unable to set " + param + "=" + value + " for cgroup at: " + path, e);
    } finally {
        if (pw != null) {
            boolean hasError = pw.checkError();
            pw.close();
            if (hasError) {
                throw new IOException("Unable to set " + param + "=" + value + " for cgroup at: " + path);
            }
            if (pw.checkError()) {
                throw new IOException("Error while closing cgroup file " + path);
            }
        }
    }
}