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:edu.cornell.mannlib.vitro.webapp.freemarker.config.FreemarkerConfigurationImpl.java

void setRequestInfo(HttpServletRequest req) {
    reqRef.set(new WeakReference<>(req));
    req.setAttribute(ATTRIBUTE_NAME, new RequestBasedInformation(req, this));
}

From source file:com.flowpowered.engine.entity.FlowEntitySnapshot.java

public FlowEntitySnapshot(UUID id, Transform t, UUID worldId, byte[] dataMap,
        List<Class<? extends Component>> types) {
    this.entity = new WeakReference<>(null);
    this.entityId = -1;
    this.uniqueId = id;
    this.location = t;
    this.worldName = null;
    this.worldId = worldId;
    this.savable = true;
    this.dataMap = new ManagedHashMap();
    if (dataMap != null) {
        try {//from   ww  w .j  a  v a  2s . c  om
            this.dataMap.deserialize(dataMap);
        } catch (IOException e) {
            throw new RuntimeException("Unable to deserialize data", e);
        }
    }
    this.components = new ArrayList<>(types);
}

From source file:disko.PDFDocument.java

protected synchronized String load() {
    final StringWriter stringOutput = new StringWriter();
    PDDocument document = null;//from w w  w .  j av  a 2 s . c  o m
    try {
        document = PDDocument.load(ContentDownloader.getInstance().getInputStream(getUrlString()));
        title = document.getDocumentInformation().getTitle();
        PDFTextStripper stripper = new PDFTextStripper() {
            int startPage = 0;

            private int getIndex() {
                return stringOutput.getBuffer().length();
            }

            @Override
            protected void startPage(PDPage page) throws IOException {
                startPage = getIndex();
                log.debug("START PAGE " + getCurrentPageNo() + " AT " + startPage);
            }

            @Override
            protected void endPage(PDPage page) throws IOException {
                int endPage = getIndex();
                DocumentAnn ann = new DocumentAnn(startPage, endPage, PAGE_ANN);
                annotations.add(ann);
                log.debug("END PAGE " + getCurrentPageNo() + " AT " + endPage);
            }

        };
        //            stripper.setSortByPosition(false);
        //            String maxPageSetting = System.getProperty("disco.pdf.max.pages", 
        //                                             Integer.toString(Integer.MAX_VALUE));
        //            stripper.setEndPage(Integer.parseInt(maxPageSetting));
        stripper.writeText(document, stringOutput);
    } catch (Throwable t) {
        throw new RuntimeException("Unable to read resource at URL '" + url + "'", t);
    } finally {
        if (stringOutput != null) {
            try {
                stringOutput.close();
            } catch (IOException e) {
            }
        }
        if (document != null) {
            try {
                document.close();
            } catch (IOException e) {
            }
        }
    }

    String s = DU.replaceUnicodePunctuation(stringOutput.toString());
    ParagraphDetector.detectParagraphs(s, this.annotations);

    return (fullText = new WeakReference<String>(s)).get();
}

From source file:com.lastorder.pushnotifications.data.ImageDownloader.java

/**
 * Download the specified image from the Internet and binds it to the provided ImageView. The
 * binding is immediate if the image is found in the cache and will be done asynchronously
 * otherwise. A null bitmap will be associated to the ImageView if an error occurs.
 *
 * @param url The URL of the image to download.
 * @param imageView The ImageView to bind the downloaded image to.
 */// w  w  w  .  j  a  v  a  2s  .co m

public void download(String url, ImageView imageView, Context context, ProgressBar bar) {
    resetPurgeTimer();
    Bitmap bitmap = getBitmapFromCache(url);
    myWeakContext = new WeakReference<Context>(context);

    if (bitmap == null) {
        bar.setVisibility(0);
        imageView.setVisibility(8);
        forceDownload(url, imageView, bar);
    } else {
        bar.setVisibility(8);
        cancelPotentialDownload(url, imageView);
        imageView.setImageBitmap(bitmap);
        imageView.setVisibility(0);
        imageView.bringToFront();
    }
}

From source file:net.lightbody.bmp.proxy.jetty.util.RolloverFileOutputStream.java

public RolloverFileOutputStream(String filename, boolean append, int retainDays) throws IOException {
    super(null);// ww  w  .j  a v a  2s  . c  o  m

    if (filename != null) {
        filename = filename.trim();
        if (filename.length() == 0)
            filename = null;
    }
    if (filename == null)
        throw new IllegalArgumentException("Invalid filename");

    _filename = filename;
    _append = append;
    _retainDays = retainDays;
    _ref = new WeakReference(this);
    setFile();

    synchronized (__rollovers) {
        if (__rollover == null) {
            __rollover = new Rollover();
            __rollover.start();
        }
        __rollovers.add(_ref);
    }
}

From source file:com.crossbow.volley.toolbox.CrossbowImageCache.java

public void storeForReUse(Bitmap bitmap) {
    synchronized (imageCache) {
        if (bitmapCanBeReused(bitmap)) {
            unusedBitmaps.add(new WeakReference<Bitmap>(bitmap));
        }//w w w . java  2 s . c  o  m
    }
}

From source file:com.chiorichan.http.HttpRequestWrapper.java

private static void putRequest(HttpRequestWrapper request) {
    references.put(Thread.currentThread(), new WeakReference<HttpRequestWrapper>(request));
}

From source file:com.dubsar_dictionary.Dubsar.model.Sense.java

/**
 * Constructor for some senses in sense and synset parsing
 * @param id a sense ID/*from   w ww .  ja va 2  s.  com*/
 * @param name the associated word's name
 * @param synset the associated synset
 */
public Sense(int id, String name, Synset synset) {
    super(synset.getPartOfSpeech());
    mId = id;
    mName = new String(name);

    mIsWeakSynsetReference = true;
    mSynsetReference = new WeakReference<Synset>(synset);

    setupUrl();
}

From source file:com.adkdevelopment.earthquakesurvival.ui.adapters.PagerAdapter.java

@Override
public Object instantiateItem(ViewGroup container, int position) {
    Fragment fragment = (Fragment) super.instantiateItem(container, position);
    registeredFragments.put(position, new WeakReference<>(fragment));
    return fragment;
}