Example usage for java.lang.ref SoftReference SoftReference

Introduction

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

Prototype

public SoftReference(T referent)

Source Link

Document

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

Usage

From source file:com.andrewshu.android.reddit.threads.BitmapManager.java

public Bitmap fetchBitmap(String urlString) {
    SoftReference<Bitmap> ref = mCache.get(urlString);
    if (ref != null && ref.get() != null) {
        return ref.get();
    }// w  ww.j  ava 2 s . co m

    if (Constants.LOGGING)
        Log.d(TAG, "image url:" + urlString);

    try {
        Bitmap bitmap = readBitmapFromNetwork(urlString);
        mCache.put(urlString, new SoftReference<Bitmap>(bitmap));
        //          if (Constants.LOGGING) Log.d(this.getClass().getSimpleName(), "got a thumbnail drawable: " + drawable.getBounds() + ", "
        //                + drawable.getIntrinsicHeight() + "," + drawable.getIntrinsicWidth() + ", "
        //                + drawable.getMinimumHeight() + "," + drawable.getMinimumWidth());
        return bitmap;
    } catch (Exception e) {
        if (Constants.LOGGING)
            Log.e(TAG, "fetchBitmap failed", e);
        return null;
    }
}

From source file:org.hsweb.concureent.cache.monitor.SimpleMonitorCache.java

protected Object buildValue(Object value) {
    return new SoftReference(value);
}

From source file:com.binroot.fatpita.BitmapManager.java

public Bitmap fetchBitmap(String urlString, boolean saveToHistory) {
    SoftReference<Bitmap> ref = mCache.get(urlString);
    if (ref != null && ref.get() != null) {
        return ref.get();
    }// ww w .j  a v  a  2 s .  c  om

    Log.d(TAG, "image url:" + urlString);

    try {
        Bitmap bitmap = readBitmapFromNetwork(urlString, saveToHistory);
        mCache.put(urlString, new SoftReference<Bitmap>(bitmap));
        //          if (Constants.LOGGING) Log.d(this.getClass().getSimpleName(), "got a thumbnail drawable: " + drawable.getBounds() + ", "
        //                + drawable.getIntrinsicHeight() + "," + drawable.getIntrinsicWidth() + ", "
        //                + drawable.getMinimumHeight() + "," + drawable.getMinimumWidth());
        return bitmap;
    } catch (Exception e) {
        Log.e(TAG, "fetchBitmap failed", e);
        return null;
    }
}

From source file:de.handtwerk.android.IoHelper.java

public static JSONArray readAssetAsJsonArray(String pPath, Context pContext) throws IOException, JSONException {

    synchronized (JSON_ARRAY_CACHE) {

        SoftReference<JSONArray> ref = JSON_ARRAY_CACHE.get(pPath);
        if (ref != null && ref.get() != null) {

            return ref.get();
        }/*from ww  w.  j a v a 2 s  .co m*/

        String jsonStr = readAssetAsString(pPath, pContext);
        JSONArray json = new JSONArray(jsonStr);

        JSON_ARRAY_CACHE.put(pPath, new SoftReference<JSONArray>(json));
        return json;
    }
}

From source file:com.abelsky.idea.geekandpoke.entries.Entry.java

public Entry(EntryInfo onlineEntry, BufferedImage image) {
    entryInfo = onlineEntry;
    this.imageRef = new SoftReference<BufferedImage>(image);
}

From source file:edu.mayo.cts2.framework.plugin.service.bioportal.transform.AbstractBioportalOntologyVersionTransformTemplate.java

private static DateFormat getDateFormat() {
    SoftReference<DateFormat> ref = threadLocal.get();
    if (ref != null) {
        DateFormat result = ref.get();
        if (result != null) {
            return result;
        }//from ww w .  j a  v a 2 s .c o  m
    }
    DateFormat result = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S zzz");
    ref = new SoftReference<DateFormat>(result);
    threadLocal.set(ref);
    return result;
}

From source file:org.copperengine.core.persistent.hybrid.StorageCache.java

@Override
public WorkflowInstance readWorkflowInstance(String wfId) throws Exception {
    SoftReference<WorkflowInstance> entry = wfCache.get(wfId);
    if (entry != null) {
        WorkflowInstance wfi = entry.get();
        if (wfi != null) {
            cacheStatsWfCache.incNumberOfReads(true);
            return wfi;
        }/*from  w  w  w .  j  a  v a 2s .c  o  m*/
    }
    WorkflowInstance wfi = delegate.readWorkflowInstance(wfId);
    if (wfi != null) {
        wfCache.put(wfi.id, new SoftReference<WorkflowInstance>(wfi));
    }
    cacheStatsWfCache.incNumberOfReads(false);
    return wfi;
}

From source file:org.openvpms.web.echo.util.DoubleClickMonitor.java

/**
 * Determines if there has been a double click on an object.
 * <p/>//from  ww  w. jav  a  2 s  .c o  m
 * It is considered a double click if the method is called twice with the same (i.e using equals()) object,
 * within the specified interval. If a double click is detected, the monitor resets - two more clicks are required
 * within the interval to be considered another double click.
 *
 * @param object the clicked on object. May be <tt>null</tt>
 * @return true if the object has been clicked twice within the interval
 */
public boolean isDoubleClick(Object object) {
    boolean result;
    Date now = new Date();
    result = (lastClick != null && (interval == 0 || (lastClick.getTime() + interval) >= now.getTime()));
    Object old = (last != null) ? last.get() : null;
    result = result && ObjectUtils.equals(old, object);
    if (result) {
        reset();
    } else {
        lastClick = now;
        last = new SoftReference<Object>(object);
    }
    return result;
}

From source file:org.topazproject.xml.transform.MemoryCacheURLRetriever.java

/**
 * Lookup the <code>id</code> in the cache. If found, return results. Otherwise, call
 * delegate to fetch content./*from   ww  w  .  j a  v a2s.  c o m*/
 * 
 * @param url the url of the resource to retrieve
 * @param id  the id of the resource to retrieve
 * @return the contents, or null if not found
 * @throws IOException if an error occurred retrieving the contents (other than not-found)
 */
public synchronized byte[] retrieve(String url, String id) throws IOException {
    SoftReference ref = (SoftReference) cache.get(id);
    byte[] res = (ref != null) ? (byte[]) ref.get() : null;

    if (log.isDebugEnabled())
        log.debug("Memory cache('" + id + "'): "
                + (res != null ? "found" : ref != null ? "expired" : "not found"));

    if (res != null || delegate == null)
        return res;

    res = delegate.retrieve(url, id);
    if (res == null)
        return null;

    if (log.isDebugEnabled())
        log.debug("Caching '" + id + "'");

    cache.put(id, new SoftReference(res));
    return res;
}

From source file:edu.ku.brc.stats.StatsMgr.java

/**
 * Returns the Statistics DOM.//from   w  w w.  j  a v a 2  s.c  o  m
 * @return the Statistics DOM.
 */
public static Element getDOM() {
    Element dom = null;
    if (statDOM != null) {
        dom = statDOM.get();
    }

    if (dom == null) {

        statDOM = new SoftReference<Element>(loadDOM());
        dom = statDOM.get();
    }

    if (resourceName == null) {
        resourceName = XMLHelper.getAttr(dom, "resource", null);
        loadStatTooltips();
    }

    return dom;
}