Example usage for java.lang.ref WeakReference WeakReference

Introduction

In this page you can find the example usage for java.lang.ref WeakReference WeakReference.

Prototype

public WeakReference(T referent)

Source Link

Document

Creates a new weak reference that refers to the given object.

Usage

From source file:com.trellmor.berrytube.BerryTube.java

/**
 * Set the callback handler/*from w w  w.  j  av a  2 s. c  om*/
 * 
 * @param callback
 *            Callback implementation instance
 */
public void setCallback(BerryTubeCallback callback) {
    mCallback = new WeakReference<>(callback);

    // Clear old notifications
    mMessageNotificationText.clear();
    mMessageNotificationCount = 0;
}

From source file:de.sanandrew.mods.turretmod.registry.assembly.RecipeEntry.java

@Override
@SideOnly(Side.CLIENT)/*  www . ja  v a  2  s .  c  o  m*/
public ItemStack[] getEntryItemStacks() {
    if (this.cachedEntryStacks == null || this.cachedEntryStacks.get() == null) {
        NonNullList<ItemStack> stacks = NonNullList.create();
        NonNullList<ItemStack> fltStacks = NonNullList.create();
        for (ItemStack stack : this.normalAlternatives) {
            if (stack.getItemDamage() == OreDictionary.WILDCARD_VALUE) {
                stack.getItem().getSubItems(CreativeTabs.SEARCH, stacks);
            } else {
                stacks.add(stack);
            }
        }

        for (String oreDictName : this.oreDictAlternatives) {
            OreDictionary.getOres(oreDictName).forEach(stack -> {
                if (stack.getItemDamage() == OreDictionary.WILDCARD_VALUE) {
                    stack.getItem().getSubItems(CreativeTabs.SEARCH, stacks);
                } else {
                    stacks.add(stack);
                }
            });
        }

        for (ItemStack stack : stacks) {
            ItemStack valid = stack.copy();
            for (ItemStack fltStack : fltStacks) {
                if (fltStack.isItemEqual(valid)) {
                    valid = null;
                    break;
                }
            }

            if (valid != null) {
                valid.setCount(this.stackSize);
                fltStacks.add(valid);
            }
        }

        this.cachedEntryStacks = new WeakReference<>(fltStacks.toArray(new ItemStack[fltStacks.size()]));
    }

    return this.cachedEntryStacks.get();
}

From source file:ch.entwine.weblounge.common.impl.content.file.LazyFileResourceImpl.java

/**
 * Loads the file body only.//from w  w w  . j a  va 2 s .c om
 */
protected void loadFileBody() {
    try {

        // Get a hold of the file reader
        FileResourceReader reader = (readerRef != null) ? readerRef.get() : null;
        if (reader == null) {
            reader = new FileResourceReader();
            readerRef = new WeakReference<FileResourceReader>(reader);
        }

        // Load the file body
        file = reader.readBody(IOUtils.toInputStream(fileXml, "utf-8"), uri.getSite());
        isBodyLoaded = true;
        if (isHeaderLoaded && isBodyLoaded)
            cleanupAfterLoading();
        else if (headerXml != null)
            fileXml = null;

    } catch (Throwable e) {
        logger.error("Failed to lazy-load body of {}: {}", uri, e.getMessage());
        throw new IllegalStateException(e);
    }
}

From source file:blue.soundObject.jmask.ItemList.java

public void addTableModelListener(TableModelListener l) {
    if (listeners == null) {
        listeners = new Vector<WeakReference<TableModelListener>>();
    }/*from   ww w .j ava2  s .  c  o  m*/

    for (WeakReference<TableModelListener> ref : listeners) {
        if (ref.get() == l) {
            return;
        }
    }

    listeners.add(new WeakReference<TableModelListener>(l));

}

From source file:ch.entwine.weblounge.common.impl.content.movie.LazyMovieResourceImpl.java

/**
 * Loads the audio visual body only.//from   w w  w .  ja  v  a  2 s .c  om
 */
protected void loadAudioVisualBody() {
    try {

        // Get a hold of the audio visual reader
        MovieResourceReader reader = (readerRef != null) ? readerRef.get() : null;
        if (reader == null) {
            reader = new MovieResourceReader();
            readerRef = new WeakReference<MovieResourceReader>(reader);
        }

        // Load the audio visual body
        audioVisual = reader.readBody(IOUtils.toInputStream(audiovisualXml, "utf-8"), uri.getSite());
        isBodyLoaded = true;
        if (isHeaderLoaded && isBodyLoaded)
            cleanupAfterLoading();
        else if (headerXml != null)
            audiovisualXml = null;

    } catch (Throwable e) {
        logger.error("Failed to lazy-load body of {}: {}", uri, e.getMessage());
        throw new IllegalStateException(e);
    }
}

From source file:com.appassit.common.Utils.java

public static String getTodayDate() {
    if (calendar == null || calendar.get() == null) {
        calendar = new WeakReference<Calendar>(Calendar.getInstance());
    }//from www.  ja v  a  2 s.c om
    Calendar today = calendar.get();
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
    return sdf.format(today.getTime());
}

From source file:com.honeywell.printer.net.autobaln_websocket.WebSocketConnection.java

public void connect(String wsUri, String[] wsSubprotocols, WebSocket.ConnectionHandler wsHandler,
        WebSocketOptions options, List<BasicNameValuePair> headers) throws WebSocketException {
    try {/*from w  ww  .  j  a v a 2s .co  m*/
        this.mWebSocketURI = new URI(wsUri);
        if (!mWebSocketURI.getScheme().equals(WS_URI_SCHEME)
                && !mWebSocketURI.getScheme().equals(WSS_URI_SCHEME)) {
            throw new WebSocketException("unsupported scheme for WebSockets URI");
        }
        this.mWebSocketSubprotocols = wsSubprotocols;
        this.mWebSocketConnectionObserver = new WeakReference<ConnectionHandler>(wsHandler);
        this.mWebSocketOptions = new WebSocketOptions(options);
        mWsHeaders = headers;
        connect();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:ch.entwine.weblounge.common.impl.content.page.PageReader.java

/**
 * This method is called when a <code>Page</code> object is instantiated.
 * //ww  w  .j a va2s  .co  m
 * @param is
 *          the xml input stream
 * @param site
 *          the page's site
 * @throws ParserConfigurationException
 *           if the SAX parser setup failed
 * @throws IOException
 *           if reading the input stream fails
 * @throws SAXException
 *           if an error occurs while parsing
 */
public PageImpl readBody(InputStream is, Site site)
        throws SAXException, IOException, ParserConfigurationException {
    if (page == null) {
        page = new PageImpl(new PageURIImpl(site, "/"));
    }
    readHeader = false;
    readBody = true;
    SAXParser parser = parserRef.get();
    if (parser == null) {
        parser = parserFactory.newSAXParser();
        parserRef = new WeakReference<SAXParser>(parser);
    }
    parser.parse(is, this);
    return page;
}

From source file:ch.entwine.weblounge.common.impl.content.page.LazyPageImpl.java

/**
 * Loads the page body only.//  w  ww .  j  a v  a 2  s.  com
 */
protected void loadPageBody() {
    try {

        // Get a hold of the page reader
        PageReader reader = (readerRef != null) ? readerRef.get() : null;
        if (reader == null) {
            reader = new PageReader();
            readerRef = new WeakReference<PageReader>(reader);
        }

        // Load the page body
        page = reader.readBody(IOUtils.toInputStream(pageXml, "utf-8"), uri.getSite());
        isBodyLoaded = true;
        if (isHeaderLoaded && isBodyLoaded)
            cleanupAfterLoading();
        else if (headerXml != null)
            pageXml = null;

    } catch (Throwable e) {
        logger.error("Failed to lazy-load body of {}: {}", uri, e.getMessage());
        throw new IllegalStateException(e);
    }
}

From source file:ch.entwine.weblounge.common.impl.content.AbstractResourceReaderImpl.java

/**
 * This method is called to read the body of a resource.
 * /*ww w  .  j av a2s.c  o  m*/
 * @param is
 *          the xml input stream
 * @param site
 *          the site
 * @throws ParserConfigurationException
 *           if the SAX parser setup failed
 * @throws IOException
 *           if reading the input stream fails
 * @throws SAXException
 *           if an error occurs while parsing
 */
public T readBody(InputStream is, Site site) throws SAXException, IOException, ParserConfigurationException {
    if (resource == null) {
        resource = createResource(site);
    }
    readHeader = false;
    readBody = true;
    SAXParser parser = parserRef.get();
    if (parser == null) {
        parser = parserFactory.newSAXParser();
        parserRef = new WeakReference<SAXParser>(parser);
    }
    parser.parse(is, this);
    return resource;
}