Examples with JaxbHelper org.platformlayer.xml.JaxbHelper used on opensource projects

Example 1 with JaxbHelper

use of org.platformlayer.xml.JaxbHelper in project platformlayer by platformlayer.

the class Marshaller method write.

public <T> void write(HttpServletRequest httpRequest, HttpServletResponse httpResponse, T response) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    // // We do gzip compression directly (for now)
    // String ce = httpRequest.getHeader("content-encoding");
    // if (ce != null) {
    // if (ce.equalsIgnoreCase("gzip")) {
    // is = new GZIPInputStream(is);
    // } else {
    // httpRequest.sendError(415);
    // return;
    // }
    // }
    String accept = httpRequest.getHeader("accept");
    if (accept == null) {
        accept = "";
    }
    boolean json = true;
    for (String acceptType : Splitter.on(',').split(accept)) {
        int semiIndex = acceptType.indexOf(';');
        if (semiIndex != -1) {
            acceptType = acceptType.substring(0, semiIndex);
        }
        acceptType = acceptType.trim().toLowerCase();
        if (accept.equals("application/xml")) {
            json = false;
            break;
        } else if (accept.equals("application/json")) {
            json = true;
            break;
        }
    }
    if (json) {
        try {
            jsonMapper.writeValue(baos, response);
        } catch (Exception e) {
            log.error("Error serializing value", e);
            httpResponse.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            return;
        }
    } else {
        try {
            JaxbHelper jaxb = JaxbHelper.get(response.getClass());
            boolean formatted = false;
            jaxb.marshal(response, formatted, baos);
        } catch (Exception e) {
            log.error("Error serializing value", e);
            httpResponse.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
            return;
        }
    }
    byte[] data = baos.toByteArray();
    if (json) {
        httpResponse.setContentType("application/json");
    } else {
        httpResponse.setContentType("application/xml");
    }
    httpResponse.setContentLength(data.length);
    try {
        ServletOutputStream os = httpResponse.getOutputStream();
        os.write(data);
        os.flush();
    } catch (IOException e) {
        // Not a lot we can do here ... we've already started sending data
        log.error("Error flushing data", e);
        // Try setting an error response
        try {
            httpResponse.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        } catch (Exception e2) {
            log.warn("Unable to set error status", e2);
        }
        return;
    }
}

Example 2 with JaxbHelper

use of org.platformlayer.xml.JaxbHelper in project platformlayer by platformlayer.

the class FederatedPlatformLayerClient method listItems.

@Override
public <T> List<T> listItems(final Class<T> clazz) throws PlatformLayerClientException {
    JaxbHelper jaxbHelper = PlatformLayerClientBase.toJaxbHelper(clazz, ManagedItemCollection.class);
    PlatformLayerKey path = PlatformLayerClientBase.toKey(jaxbHelper, null, listServices(true));
    return doListConcatenationTyped(getChildClients(path), AddHostTyped.wrap(new ListItemsTyped<T>(clazz)));
}

Example 3 with JaxbHelper

use of org.platformlayer.xml.JaxbHelper in project platformlayer by platformlayer.

the class SmartDeserialization method deserialize.

public static <T> T deserialize(Class<T> c, InputStream is) throws OpsException {
    // TODO: Auto-detect XML, JSON, others?
    String data;
    try {
        data = IoUtils.readAll(is);
    } catch (IOException e) {
        throw new OpsException("Error reading data", e);
    }
    Format format = null;
    for (int i = 0; i < data.length(); i++) {
        char firstChar = data.charAt(i);
        switch(firstChar) {
            case ' ':
                continue;
            case '<':
                format = Format.XML;
                break;
            case '{':
                format = Format.JSON;
                break;
            default:
                {
                    if (Character.isLetter(firstChar)) {
                        format = Format.PROPERTIES;
                    } else {
                        throw new IllegalArgumentException("Unhandled character: " + ((int) firstChar));
                    }
                    break;
                }
        }
        if (format != null) {
            break;
        }
    }
    if (format == null) {
        throw new IllegalStateException("Could not determine format");
    }
    if (format == Format.XML) {
        JaxbHelper jaxb = JaxbHelper.get(c);
        try {
            return jaxb.deserialize(new StringReader(data), c);
        } catch (UnmarshalException e) {
            throw new OpsException("Error deserializing item", e);
        }
    } else {
        throw new UnsupportedOperationException();
    }
}

Example 4 with JaxbHelper

use of org.platformlayer.xml.JaxbHelper in project platformlayer by platformlayer.

the class PlatformLayerClientBase method listItems.

@Override
public <T> List<T> listItems(Class<T> clazz) throws OpsException {
    JaxbHelper jaxbHelper = PlatformLayerClientBase.toJaxbHelper(clazz, ManagedItemCollection.class);
    PlatformLayerKey path = PlatformLayerClientBase.toKey(jaxbHelper, null, listServices(true));
    UntypedItemCollection untypedItems = listItemsUntyped(path);
    List<T> items = Lists.newArrayList();
    for (UntypedItem untypedItem : untypedItems.getItems()) {
        T item = promoteToTyped(untypedItem, clazz);
        items.add(item);
    }
    return items;
}

Example 5 with JaxbHelper

use of org.platformlayer.xml.JaxbHelper in project platformlayer by platformlayer.

the class PlatformLayerClientBase method putItemByTag.

@Override
public <T extends ItemBase> T putItemByTag(T item, Tag uniqueTag) throws OpsException {
    JaxbHelper jaxbHelper = PlatformLayerClientBase.toJaxbHelper(item);
    String xml = PlatformLayerClientBase.serialize(jaxbHelper, item);
    PlatformLayerKey key = PlatformLayerClientBase.toKey(jaxbHelper, item, listServices(true));
    UntypedItem ret = putItemByTag(key, uniqueTag, xml, Format.XML);
    Class<T> itemClass = (Class<T>) item.getClass();
    return promoteToTyped(ret, itemClass);
}