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:Main.java

public static void showToast(final Context context, Toast toast, final String s) {
    if (Looper.getMainLooper() == Looper.myLooper()) {
        hideToast();/*from  w ww .  j a v  a2s .co  m*/
        toast.show();
        sToastRef = new SoftReference<Toast>(toast);
    } else {
        if (context instanceof Activity) {
            ((Activity) context).runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    showToast(context, s);
                }
            });
        }
    }
}

From source file:Main.java

public static BitmapDrawable getBitmapDrawable(Context context, Uri uri) {
    System.out.println("uri path = " + uri.getPath());
    Bitmap b;//from  w  w  w . j a v  a  2s. co  m
    try {
        String path = uri.getPath();
        if (mCache.containsKey(path)) {
            BitmapDrawable d = mCache.get(path).get();
            if (d != null) {
                System.out.println("not recycle path = " + uri.getPath());
                return d;
            } else {
                System.out.println("be recycle path = " + uri.getPath());
                mCache.remove(path);
            }
        }
        System.out.println("----->safeDecodeStream start");
        b = safeDecodeStream(context, uri, 60, 60);
        System.out.println("----->safeDecodeStream end");
        final BitmapDrawable bd = new BitmapDrawable(b);
        mCache.put(path, new SoftReference<BitmapDrawable>(bd));
        return bd;
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public synchronized static ResourceBundle loadBundle(String resource) {
    if (sRefMap == null) {
        sRefMap = new HashMap<String, SoftReference<ResourceBundle>>();
    }//from   ww w.jav  a2s. c  om
    SoftReference<ResourceBundle> bundleRef = sRefMap.get(resource);
    if (bundleRef == null || bundleRef.get() == null) {
        // Attempt to load the messages.
        try {
            ResourceBundle bundle = setLocale(Locale.getDefault(), resource);
            bundleRef = new SoftReference<ResourceBundle>(bundle);
            sRefMap.put(resource, bundleRef);
            return bundle;
        } catch (Throwable e) {
            //Logger.global.warning("Got Throwable " + e + " loading messages");
            return null;
        }
    } else {
        return bundleRef.get();
    }
}

From source file:com.locadz.HttpClientFactory.java

/**
 * Get a client instance. <br/>/* w  w w  .  ja va 2s.  c om*/
 * Note: You should not assign the instance to a class variable.
 * @return a HttpClient instance.
 */
public static final HttpClient getInstance() {

    ReentrantReadWriteLock.ReadLock readLock = lock.readLock();

    try {
        readLock.lock();
        HttpClient httpClient = instance.get();
        if (httpClient == null) {
            readLock.unlock();
            lock.writeLock().lock();

            httpClient = instance.get();
            if (httpClient == null) {
                httpClient = new DefaultHttpClient();
                instance = new SoftReference<HttpClient>(httpClient);
            }
            readLock.lock();
            lock.writeLock().unlock();
        }
        return httpClient;

    } finally {
        readLock.unlock();
    }
}

From source file:Main.java

public static XPathExpression getXPathExpression(String xPathString) throws XPathExpressionException {
    SoftReference<XPathExpression> ref = xPathExpressionsCache.get(xPathString);
    XPathExpression expression = ref == null ? null : ref.get();
    if (expression == null)
        xPathExpressionsCache.put(xPathString,
                new SoftReference<XPathExpression>(expression = getSharedXPath().compile(xPathString)));

    return expression;
}

From source file:com.gzj.tulip.load.RoseScanner.java

public synchronized static RoseScanner getInstance() {
    if (softReference == null || softReference.get() == null) {
        RoseScanner roseScanner = new RoseScanner();
        softReference = new SoftReference<RoseScanner>(roseScanner);
    }//  w ww  .j av a  2 s . c  o  m
    return softReference.get();
}

From source file:com.sinosoft.one.mvc.scanning.MvcScanner.java

public synchronized static MvcScanner getInstance() {
    if (softReference == null || softReference.get() == null) {
        MvcScanner mvcScanner = new MvcScanner();
        softReference = new SoftReference<MvcScanner>(mvcScanner);
    }/* w  w  w . j av  a 2 s .c  o  m*/
    return softReference.get();
}

From source file:ch.ralscha.extdirectspring.util.ApiCache.java

public void put(ApiCacheKey key, String apiString) {
    cache.put(key, new SoftReference<String>(apiString));
}

From source file:SoftCache.java

public Object put(Object key, Object value) {
    SoftReference softRef = (SoftReference) map.put(key, new SoftReference(value));

    if (softRef == null)
        return null;

    Object oldValue = softRef.get();
    softRef.clear();//  w ww .j a v  a  2s . c  o  m

    return oldValue;
}

From source file:com.laxser.blitz.scanning.BlitzScanner.java

public synchronized static BlitzScanner getInstance() {
    if (softReference == null || softReference.get() == null) {
        BlitzScanner blitzScanner = new BlitzScanner();
        softReference = new SoftReference<BlitzScanner>(blitzScanner);
    }/*from  w  w  w.j  ava2 s  . co m*/
    return softReference.get();
}