Example usage for java.io ObjectOutput writeObject

Introduction

In this page you can find the example usage for java.io ObjectOutput writeObject.

Prototype

public void writeObject(Object obj) throws IOException;

Source Link

Document

Write an object to the underlying storage or stream.

Usage

From source file:org.polymap.rhei.fulltext.servlet.SearchServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    log.info("Request: " + request.getQueryString());

    String srsParam = request.getParameter("srs");
    CoordinateReferenceSystem worldCRS = DEFAULT_WORLD_CRS;
    if (srsParam != null) {
        try {//w w w .ja  v a  2 s . c om
            worldCRS = CRS.decode(srsParam);
        } catch (Exception e) {
            worldCRS = DEFAULT_WORLD_CRS;
        }
    }
    log.debug("worldCRS: " + worldCRS);

    // completion request *****************************
    if (request.getParameter("term") != null) {
        String searchStr = request.getParameter("term");
        searchStr = StringEscapeUtils.unescapeHtml4(searchStr);

        try {
            JSONArray result = new JSONArray();

            for (String record : dispatcher.propose(searchStr, 7, null)) {
                //result.put( StringEscapeUtils.escapeHtml( record ) );
                result.put(record);
            }

            log.info("Response: " + result.toString());
            response.setContentType("application/json; charset=UTF-8");
            response.setCharacterEncoding("UTF-8");
            response.getWriter().println(result.toString());
        } catch (Exception e) {
            log.info("Response: " + "Fehler: " + e.getMessage(), e);
            response.setContentType("text/html");
            response.getWriter().println("Fehler: " + e.getMessage());
        }
    }

    // content request (GeoRSS/KML/GeoJSON) ***********
    else if (request.getParameter("search") != null) {
        String searchStr = request.getParameter("search");
        searchStr = URLDecoder.decode(searchStr, "UTF-8");
        log.info("    searchStr= " + searchStr);
        String outputType = request.getParameter("outputType");

        int maxResults = request.getParameter("maxResults") != null
                ? Integer.parseInt(request.getParameter("maxResults"))
                : DEFAULT_MAX_SEARCH_RESULTS;

        try {
            // gzipped response?
            CountingOutputStream cout = new CountingOutputStream(response.getOutputStream());
            OutputStream bout = cout;
            String acceptEncoding = request.getHeader("Accept-Encoding");
            if (acceptEncoding != null && acceptEncoding.toLowerCase().contains("gzip")) {
                try {
                    bout = new GZIPOutputStream(bout);
                    response.setHeader("Content-Encoding", "gzip");
                } catch (NoSuchMethodError e) {
                    // for whatever reason the syncFlush ctor is not always available
                    log.warn(e.toString());
                }
            }

            ObjectOutput out = null;
            // KML
            if ("KML".equalsIgnoreCase(outputType)) {
                throw new RuntimeException("Not supported currently.");
                //                    out = new KMLEncoder( bout );
                //                    response.setContentType( "application/vnd.google-earth.kml+xml; charset=UTF-8" );
                //                    response.setCharacterEncoding( "UTF-8" );
            }
            // JSON
            else if ("JSON".equalsIgnoreCase(outputType)) {
                response.setContentType("application/json; charset=UTF-8");
                response.setCharacterEncoding("UTF-8");
                out = new GeoJsonEncoder(bout, worldCRS);
            }
            // RSS
            else {
                // XXX figure the real client URL (without reverse proxies)
                //String baseURL = StringUtils.substringBeforeLast( request.getRequestURL().toString(), "/" ) + "/index.html";
                String baseURL = (String) System.getProperties().get("org.polymap.atlas.feed.url");
                log.info("    baseURL: " + baseURL);
                String title = (String) System.getProperties().get("org.polymap.atlas.feed.title");
                String description = (String) System.getProperties().get("org.polymap.atlas.feed.description");

                out = new GeoRssEncoder(bout, worldCRS, baseURL, title, description);
                response.setContentType("application/rss+xml; charset=UTF-8");
                response.setCharacterEncoding("UTF-8");
            }

            // make sure that empty searchStr *always* results in empty reponse 
            if (searchStr != null && searchStr.length() > 0) {
                for (JSONObject feature : dispatcher.search(searchStr, maxResults)) {
                    try {
                        out.writeObject(feature);
                    } catch (Exception e) {
                        log.warn("Error during encode: " + e, e);
                    }
                }
            }

            // make sure that streams and deflaters are flushed
            out.close();
            log.info("    written: " + cout.getCount() + " bytes");
        } catch (Exception e) {
            log.error(e.getLocalizedMessage(), e);
        }
    }
    response.flushBuffer();
}

---

From source file:org.apache.openjpa.persistence.EntityManagerImpl.java

public void writeExternal(ObjectOutput out) throws IOException {
    try {//from   ww  w  .  j a  v a 2s .c o  m
        // this requires that only AbstractBrokerFactory-sourced
        // brokers can be serialized
        Object factoryKey = ((AbstractBrokerFactory) _broker.getBrokerFactory()).getPoolKey();
        out.writeObject(factoryKey);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream innerOut = new ObjectOutputStream(baos);
        _broker.getDelegate().putUserObject(JPAFacadeHelper.EM_KEY, null);
        innerOut.writeObject(_broker.getDelegate());
        innerOut.flush();
        out.writeObject(baos.toByteArray());
    } catch (RuntimeException re) {
        try {
            re = _ret.translate(re);
        } catch (Exception e) {
            // ignore
        }
        throw re;
    }
}

---

From source file:org.apache.geode.internal.InternalDataSerializer.java

/**
 * write an object in java Serializable form with a SERIALIZABLE DSCODE so that it can be
 * deserialized with DataSerializer.readObject()
 * //from   w w w. j a v a2 s  .c om
 * @param o the object to serialize
 * @param out the data output to serialize to
 */
public static void writeSerializableObject(Object o, DataOutput out) throws IOException {
    out.writeByte(SERIALIZABLE);
    if (out instanceof ObjectOutputStream) {
        ((ObjectOutputStream) out).writeObject(o);
    } else {
        OutputStream stream;
        if (out instanceof OutputStream) {
            stream = (OutputStream) out;

        } else {
            final DataOutput out2 = out;
            stream = new OutputStream() {
                @Override
                public void write(int b) throws IOException {
                    out2.write(b);
                }
            };
        }
        boolean wasDoNotCopy = false;
        if (out instanceof HeapDataOutputStream) {
            // To fix bug 52197 disable doNotCopy mode
            // while serialize with an ObjectOutputStream.
            // The problem is that ObjectOutputStream keeps
            // an internal byte array that it reuses while serializing.
            wasDoNotCopy = ((HeapDataOutputStream) out).setDoNotCopy(false);
        }
        try {
            ObjectOutput oos = new ObjectOutputStream(stream);
            if (stream instanceof VersionedDataStream) {
                Version v = ((VersionedDataStream) stream).getVersion();
                if (v != null && v != Version.CURRENT) {
                    oos = new VersionedObjectOutput(oos, v);
                }
            }
            oos.writeObject(o);
            // To fix bug 35568 just call flush. We can't call close because
            // it calls close on the wrapped OutputStream.
            oos.flush();
        } finally {
            if (wasDoNotCopy) {
                ((HeapDataOutputStream) out).setDoNotCopy(true);
            }
        }
    }
}

---

From source file:org.apache.lens.server.query.QueryExecutionServiceImpl.java

@Override
public void writeExternal(ObjectOutput out) throws IOException {
    super.writeExternal(out);
    // persist all drivers
    synchronized (drivers) {
        out.writeInt(drivers.size());/*  w  w w  .ja v a2 s. c  om*/
        LensDriver driver = null;
        for (Map.Entry<String, LensDriver> driverEntry : drivers.entrySet()) {
            driver = driverEntry.getValue();
            synchronized (driver) {
                out.writeUTF(driverEntry.getKey());
                out.writeUTF(driver.getClass().getName());
                driver.writeExternal(out);
            }
        }
    }
    // persist allQueries
    synchronized (allQueries) {
        out.writeInt(allQueries.size());
        for (QueryContext ctx : allQueries.values()) {
            synchronized (ctx) {
                out.writeObject(ctx);
                boolean isDriverAvailable = (ctx.getSelectedDriver() != null);
                out.writeBoolean(isDriverAvailable);
                if (isDriverAvailable) {
                    out.writeUTF(ctx.getSelectedDriver().getFullyQualifiedName());
                }
            }
        }
        log.info("Persisted {} queries", allQueries.size());
    }
}

---

From source file:org.apache.axis2.context.MessageContext.java

/**
 * Calls the serializeSelfManagedData() method of each handler that
 * implements the <bold>SelfManagedDataManager</bold> interface.
 * Handlers for this message context are identified via the
 * executionChain list./*www . jav a2  s  .  c  om*/
 *
 * @param out The output stream
 */
private void serializeSelfManagedData(ObjectOutput out) {
    selfManagedDataHandlerCount = 0;

    try {
        if ((selfManagedDataMap == null) || (executionChain == null) || (selfManagedDataMap.size() == 0)
                || (executionChain.size() == 0)) {
            out.writeBoolean(ExternalizeConstants.EMPTY_OBJECT);

            if (DEBUG_ENABLED && log.isTraceEnabled()) {
                log.trace(getLogIDString() + ":serializeSelfManagedData(): No data : END");
            }

            return;
        }

        // let's create a temporary list with the handlers
        ArrayList<Handler> flatExecChain = flattenPhaseListToHandlers(executionChain, null);

        //ArrayList selfManagedDataHolderList = serializeSelfManagedDataHelper(flatExecChain.iterator(), new ArrayList());
        ArrayList<SelfManagedDataHolder> selfManagedDataHolderList = serializeSelfManagedDataHelper(
                flatExecChain);

        if (selfManagedDataHolderList.size() == 0) {
            out.writeBoolean(ExternalizeConstants.EMPTY_OBJECT);

            if (DEBUG_ENABLED && log.isTraceEnabled()) {
                log.trace(getLogIDString() + ":serializeSelfManagedData(): No data : END");
            }

            return;
        }

        out.writeBoolean(ExternalizeConstants.ACTIVE_OBJECT);

        // SelfManagedData can be binary so won't be able to treat it as a
        // string - need to treat it as a byte []

        // how many handlers actually
        // returned serialized SelfManagedData
        out.writeInt(selfManagedDataHolderList.size());

        for (int i = 0; i < selfManagedDataHolderList.size(); i++) {
            out.writeObject(selfManagedDataHolderList.get(i));
        }

    } catch (IOException e) {
        if (DEBUG_ENABLED && log.isTraceEnabled()) {
            log.trace("MessageContext:serializeSelfManagedData(): Exception [" + e.getClass().getName()
                    + "]  description [" + e.getMessage() + "]", e);
        }
    }

}

---

From source file:com.sentaroh.android.SMBExplorer.SMBExplorerMain.java

@Override
public void writeExternal(ObjectOutput objout) throws IOException {
    //      Log.v("","wr");
    objout.writeLong(serialVersionUID);//  ww  w.jav  a 2 s  .c om
    SerializeUtil.writeArrayList(objout, paste_list);
    SerializeUtil.writeUtf(objout, paste_from_url);
    SerializeUtil.writeUtf(objout, paste_to_url);
    SerializeUtil.writeUtf(objout, paste_item_list);

    objout.writeBoolean(is_paste_copy);
    objout.writeBoolean(is_paste_enabled);
    objout.writeBoolean(is_paste_from_local);

    SerializeUtil.writeArrayList(objout, local_dir_hist);
    SerializeUtil.writeArrayList(objout, remote_dir_hist);

    SerializeUtil.writeArrayList(objout, remote_file_list_cache);
    objout.writeObject(remote_curr_file_list);
    SerializeUtil.writeArrayList(objout, local_file_list_cache);
    objout.writeObject(local_curr_file_list);
    vsa.writeExternal(objout);
    objout.writeUTF(dialog_msg_cat);

    SerializeUtil.writeUtf(objout, remoteBase);
    SerializeUtil.writeUtf(objout, localBase);
    SerializeUtil.writeUtf(objout, remoteDir);
    SerializeUtil.writeUtf(objout, localDir);
    SerializeUtil.writeUtf(objout, currentTabName);
    SerializeUtil.writeUtf(objout, smbUser);
    SerializeUtil.writeUtf(objout, smbPass);

    objout.writeBoolean(localUpButtonEnabled);
    objout.writeBoolean(localTopButtonEnabled);
    objout.writeBoolean(remoteUpButtonEnabled);
    objout.writeBoolean(remoteTopButtonEnabled);
}

---

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