Example usage for java.io ObjectInput read

Introduction

In this page you can find the example usage for java.io ObjectInput read.

Prototype

public int read(byte b[], int off, int len) throws IOException;

Source Link

Document

Reads into an array of bytes.

Usage

From source file:org.apache.shindig.gadgets.http.HttpResponse.java

/**
 * Expected layout:/*w w w . ja  va  2  s .  c o  m*/
 *
 * int - status code
 * Map<String, List<String>> - headers
 * int - length of body
 * byte array - body, of previously specified length
 */
@SuppressWarnings("unchecked")
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    httpStatusCode = in.readInt();

    // We store the multimap as a Map<String,List<String>> to insulate us from google-collections API churn
    // And to remain backwards compatible

    Map<String, List<String>> headerCopyMap = (Map<String, List<String>>) in.readObject();
    Multimap headerCopy = newHeaderMultimap();

    for (Map.Entry<String, List<String>> entry : headerCopyMap.entrySet()) {
        headerCopy.putAll(entry.getKey(), entry.getValue());
    }

    int bodyLength = in.readInt();
    responseBytes = new byte[bodyLength];
    int cnt, offset = 0;
    while ((cnt = in.read(responseBytes, offset, bodyLength)) > 0) {
        offset += cnt;
        bodyLength -= cnt;
    }
    if (offset != responseBytes.length) {
        throw new IOException(
                "Invalid body! Expected length = " + responseBytes.length + ", bytes readed = " + offset + '.');
    }

    date = getAndUpdateDate(headerCopy);
    encoding = getAndUpdateEncoding(headerCopy, responseBytes);
    headers = Multimaps.unmodifiableMultimap(headerCopy);
    metadata = Collections.emptyMap();
}

---

From source file:org.kepler.objectmanager.cache.ActorCacheObject.java

/**
 * deserialize this class//from   ww w  .  j  av a  2s  . c om
 * 
 *@param in
 *            Description of the Parameter
 *@exception IOException
 *                Description of the Exception
 *@exception ClassNotFoundException
 *                Description of the Exception
 */
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    if (isDebugging)
        log.debug("readExternal(" + in.getClass().getName() + ")");

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    byte[] b = new byte[1024];
    int numread = in.read(b, 0, 1024);
    while (numread != -1) {
        bos.write(b, 0, numread);
        numread = in.read(b, 0, 1024);
    }
    bos.flush();
    _actorString = bos.toString();
    try {
        StringReader strR = new StringReader(_actorString);
        InputSource xmlIn = new InputSource(strR);
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        builder.setEntityResolver(new EntityResolver() {
            public InputSource resolveEntity(String publicId, String systemId)
                    throws SAXException, IOException {
                if (MOML_PUBLIC_ID_1.equals(publicId)) {
                    return new InputSource(MoMLParser.class.getResourceAsStream("MoML_1.dtd"));
                } else {
                    return null;
                }
            }
        });
        Document doc = builder.parse(xmlIn);
        Node rootNode = doc.getDocumentElement();
        _rootname = rootNode.getNodeName();
        NamedNodeMap nnm = rootNode.getAttributes();
        Node namenode = nnm.getNamedItem("name");
        String nameStr = namenode.getNodeValue();
        this._name = nameStr;
        NodeList probNodes = rootNode.getChildNodes();
        for (int i = 0; i < probNodes.getLength(); i++) {
            Node child = probNodes.item(i);
            if (child.hasAttributes()) {
                NamedNodeMap childAttrs = child.getAttributes();
                Node idNode = childAttrs.getNamedItem("name");
                if (idNode != null) {
                    String nameval = idNode.getNodeValue();
                    if (nameval.equals(NamedObjId.NAME)) {
                        Node idNode1 = childAttrs.getNamedItem("value");
                        String idval = idNode1.getNodeValue();
                        this._lsid = new KeplerLSID(idval);
                    }
                    if (nameval.equals("class")) {
                        Node idNode3 = childAttrs.getNamedItem("value");
                        String classname = idNode3.getNodeValue();
                        this._className = classname;
                    }
                    if (nameval.startsWith("semanticType")) {
                        Node idNode2 = childAttrs.getNamedItem("value");
                        String semtype = idNode2.getNodeValue();
                        _semanticTypes.add(semtype);
                    }
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        throw new IOException("Error in ActorCacheObject(ReadExternal): " + e.getMessage());
    }
}

---