Example usage for java.util ArrayList isEmpty

List of usage examples for java.util ArrayList isEmpty

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Introduction

In this page you can find the example usage for java.util ArrayList isEmpty.

Prototype

public boolean isEmpty()

Source Link

Document

Returns true if this list contains no elements.

Usage

From source file:air.com.snagfilms.cast.chromecast.utils.Utils.java

/**
 * Builds and returns a {@link MediaInfo} that was wrapped in a
 * {@link Bundle} by <code>fromMediaInfo</code>.
 * //from   w ww.  j  a  v a2 s. c o m
 * @see <code>fromMediaInfo()</code>
 * @param wrapper
 * @return
 */
public static MediaInfo toMediaInfo(Bundle wrapper) {
    if (null == wrapper) {
        return null;
    }

    MediaMetadata metaData = new MediaMetadata(MediaMetadata.MEDIA_TYPE_MOVIE);

    metaData.putString(MediaMetadata.KEY_SUBTITLE, wrapper.getString(MediaMetadata.KEY_SUBTITLE));
    metaData.putString(MediaMetadata.KEY_TITLE, wrapper.getString(MediaMetadata.KEY_TITLE));
    metaData.putString(MediaMetadata.KEY_STUDIO, wrapper.getString(MediaMetadata.KEY_STUDIO));
    ArrayList<String> images = wrapper.getStringArrayList(KEY_IMAGES);
    if (null != images && !images.isEmpty()) {
        for (String url : images) {
            Uri uri = Uri.parse(url);
            metaData.addImage(new WebImage(uri));
        }
    }
    String customDataStr = wrapper.getString(KEY_CUSTOM_DATA);
    JSONObject customData = null;
    if (!TextUtils.isEmpty(customDataStr)) {
        try {
            customData = new JSONObject(customDataStr);
        } catch (JSONException e) {
            Log.e(TAG, "Failed to deserialize the custom data string: custom data= " + customDataStr);
        }
    }
    return new MediaInfo.Builder(wrapper.getString(KEY_URL)).setStreamType(wrapper.getInt(KEY_STREAM_TYPE))
            .setContentType(wrapper.getString(KEY_CONTENT_TYPE)).setMetadata(metaData).setCustomData(customData)
            .build();
}

From source file:org.opendatakit.odktables.relation.DbColumnDefinitions.java

/**
 * This code needs to parallel that of the javascript in ODK Survey and the java
 * code in ODK Tables and the ODK Database layer.
 * //  w w w.j  ava  2s  . co  m
 * @param defnList
 */
public static void markUnitOfRetention(List<DbColumnDefinitionsEntity> defnList) {
    // for all arrays, mark all descendants of the array as not-retained
    // because they are all folded up into the json representation of the array
    Map<String, DbColumnDefinitionsEntity> defn = new HashMap<String, DbColumnDefinitionsEntity>();
    for (DbColumnDefinitionsEntity colDefn : defnList) {
        defn.put(colDefn.getElementKey(), colDefn);
    }

    for (DbColumnDefinitionsEntity colDefn : defnList) {
        if (!colDefn.isUnitOfRetention()) {
            // this has already been processed
            continue;
        }
        String elementType = colDefn.getElementType();
        ArrayList<String> childElementKeys = colDefn.getArrayListChildElementKeys();
        ElementType type = ElementType.parseElementType(elementType, !childElementKeys.isEmpty());
        if (type.getDataType() == ElementDataType.array) {
            ArrayList<String> scratchArray = new ArrayList<String>();
            while (!childElementKeys.isEmpty()) {
                for (String childKey : childElementKeys) {
                    DbColumnDefinitionsEntity subDefn = defn.get(childKey);
                    if (!subDefn.isUnitOfRetention()) {
                        // this has already been processed
                        continue;
                    }
                    subDefn.setNotUnitOfRetention();
                    if (subDefn.getListChildElementKeys() != null) {
                        scratchArray.addAll(subDefn.getArrayListChildElementKeys());
                    }
                }
                childElementKeys = scratchArray;
                scratchArray = new ArrayList<String>();
            }
        }
    }
    // and mark any non-arrays with multiple fields as not retained
    for (DbColumnDefinitionsEntity colDefn : defnList) {
        if (!colDefn.isUnitOfRetention()) {
            // this has already been processed
            continue;
        }
        String elementType = colDefn.getElementType();
        ArrayList<String> childElementKeys = colDefn.getArrayListChildElementKeys();
        ElementType type = ElementType.parseElementType(elementType, !childElementKeys.isEmpty());
        if (type.getDataType() != ElementDataType.array) {
            if (!colDefn.getArrayListChildElementKeys().isEmpty()) {
                colDefn.setNotUnitOfRetention();
            }
        }
    }
}

From source file:cz.incad.kramerius.virtualcollections.VirtualCollectionsManager.java

public static VirtualCollection doVC(String pid, FedoraAccess fedoraAccess, ArrayList<String> languages) {
    try {/*w w  w. j  av  a  2s .co m*/
        String xPathStr;
        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();
        XPathExpression expr;

        ArrayList<String> langs = new ArrayList<String>();
        if (languages == null || languages.isEmpty()) {
            String[] ls = KConfiguration.getInstance().getPropertyList("interface.languages");
            for (int i = 0; i < ls.length; i++) {
                String lang = ls[++i];
                langs.add(lang);
            }
        } else {
            langs = new ArrayList<String>(languages);
        }
        String name = "";
        boolean canLeave = true;
        fedoraAccess.getDC(pid);
        Document doc = fedoraAccess.getDC(pid);
        xPathStr = "//dc:title/text()";
        expr = xpath.compile(xPathStr);
        Node node = (Node) expr.evaluate(doc, XPathConstants.NODE);
        if (node != null) {
            name = StringEscapeUtils.escapeXml(node.getNodeValue());
        }

        xPathStr = "//dc:type/text()";
        expr = xpath.compile(xPathStr);
        node = (Node) expr.evaluate(doc, XPathConstants.NODE);
        if (node != null) {
            canLeave = Boolean.parseBoolean(StringEscapeUtils.escapeXml(node.getNodeValue()));
        }
        VirtualCollection vc = new VirtualCollection(name, pid, canLeave);

        for (String lang : langs) {
            String dsName = TEXT_DS_PREFIX + lang;
            String value = IOUtils.readAsString(fedoraAccess.getDataStream(pid, dsName),
                    Charset.forName("UTF8"), true);
            vc.addDescription(lang, value);
        }
        return vc;
    } catch (Exception vcex) {
        logger.log(Level.WARNING, "Could not get virtual collection for  " + pid + ": " + vcex.toString());
        return null;
    }
}

From source file:com.android.launcher3.InstallShortcutReceiver.java

static void flushInstallQueue(Context context) {
    String spKey = LauncherAppState.getSharedPreferencesKey();
    SharedPreferences sp = context.getSharedPreferences(spKey, Context.MODE_PRIVATE);
    ArrayList<PendingInstallShortcutInfo> installQueue = getAndClearInstallQueue(sp, context);
    if (!installQueue.isEmpty()) {
        Iterator<PendingInstallShortcutInfo> iter = installQueue.iterator();
        ArrayList<ItemInfo> addShortcuts = new ArrayList<ItemInfo>();
        while (iter.hasNext()) {
            final PendingInstallShortcutInfo pendingInfo = iter.next();
            final Intent intent = pendingInfo.launchIntent;

            if (LauncherAppState.isDisableAllApps() && !isValidShortcutLaunchIntent(intent)) {
                if (DBG)
                    Log.d(TAG, "Ignoring shortcut with launchIntent:" + intent);
                continue;
            }//from w  w  w. java 2s .c o  m

            // If the intent specifies a package, make sure the package exists
            String packageName = pendingInfo.getTargetPackage();
            if (!TextUtils.isEmpty(packageName)) {
                UserHandleCompat myUserHandle = UserHandleCompat.myUserHandle();
                if (!LauncherModel.isValidPackage(context, packageName, myUserHandle)) {
                    if (DBG)
                        Log.d(TAG, "Ignoring shortcut for absent package:" + intent);
                    continue;
                }
            }

            final boolean exists = LauncherModel.shortcutExists(context, pendingInfo.label, intent,
                    pendingInfo.user);
            if (!exists) {
                // Generate a shortcut info to add into the model
                addShortcuts.add(pendingInfo.getShortcutInfo());
            }
        }

        // Add the new apps to the model and bind them
        if (!addShortcuts.isEmpty()) {
            LauncherAppState app = LauncherAppState.getInstance();
            app.getModel().addAndBindAddedWorkspaceApps(context, addShortcuts);
        }
    }
}

From source file:com.sanfriend.launcher4.InstallShortcutReceiver.java

static void flushInstallQueue(Context context) {
    String spKey = LauncherAppState.getSharedPreferencesKey();
    SharedPreferences sp = context.getSharedPreferences(spKey, Context.MODE_PRIVATE);
    ArrayList<PendingInstallShortcutInfo> installQueue = getAndClearInstallQueue(sp, context);
    if (!installQueue.isEmpty()) {
        Iterator<PendingInstallShortcutInfo> iter = installQueue.iterator();
        ArrayList<ItemInfo> addShortcuts = new ArrayList<ItemInfo>();
        while (iter.hasNext()) {
            final PendingInstallShortcutInfo pendingInfo = iter.next();
            final Intent intent = pendingInfo.launchIntent;

            // If the intent specifies a package, make sure the package exists
            String packageName = pendingInfo.getTargetPackage();
            if (!TextUtils.isEmpty(packageName)) {
                UserHandleCompat myUserHandle = UserHandleCompat.myUserHandle();
                if (!LauncherModel.isValidPackage(context, packageName, myUserHandle)) {
                    if (DBG)
                        Log.d(TAG, "Ignoring shortcut for absent package:" + intent);
                    continue;
                }/* w w w . jav  a  2  s. c om*/
            }

            // Generate a shortcut info to add into the model
            addShortcuts.add(pendingInfo.getShortcutInfo());
        }

        // Add the new apps to the model and bind them
        if (!addShortcuts.isEmpty()) {
            LauncherAppState app = LauncherAppState.getInstance();
            app.getModel().addAndBindAddedWorkspaceItems(context, addShortcuts);
        }
    }
}

From source file:com.stv.launcher.receiver.InstallShortcutReceiver.java

static void flushInstallQueue(Context context) {
    String spKey = LauncherState.getSharedPreferencesKey();
    SharedPreferences sp = context.getSharedPreferences(spKey, Context.MODE_PRIVATE);
    ArrayList<PendingInstallShortcutInfo> installQueue = getAndClearInstallQueue(sp, context);
    if (!installQueue.isEmpty()) {
        Iterator<PendingInstallShortcutInfo> iter = installQueue.iterator();
        ArrayList<ItemInfo> addShortcuts = new ArrayList<ItemInfo>();
        while (iter.hasNext()) {
            final PendingInstallShortcutInfo pendingInfo = iter.next();
            final Intent intent = pendingInfo.launchIntent;

            if (LauncherState.isDisableAllApps() && !isValidShortcutLaunchIntent(intent)) {
                if (DBG)
                    Log.d(TAG, "Ignoring shortcut with launchIntent:" + intent);
                continue;
            }/*from ww w  . j  av a2  s  . c  o m*/

            // If the intent specifies a package, make sure the package exists
            String packageName = pendingInfo.getTargetPackage();
            if (!TextUtils.isEmpty(packageName)) {
                UserHandleCompat myUserHandle = UserHandleCompat.myUserHandle();
                if (!LauncherModel.isValidPackage(context, packageName, myUserHandle)) {
                    if (DBG)
                        Log.d(TAG, "Ignoring shortcut for absent package:" + intent);
                    continue;
                }
            }

            final boolean exists = LauncherModel.shortcutExists(context, pendingInfo.label, intent,
                    pendingInfo.user);
            if (!exists) {
                // Generate a shortcut info to add into the model
                addShortcuts.add(pendingInfo.getShortcutInfo());
            }
        }

        // Add the new apps to the model and bind them
        if (!addShortcuts.isEmpty()) {
            LauncherState app = LauncherState.getInstance();
            app.getModel().addAndBindAddedWorkspaceApps(context, addShortcuts);
        }
    }
}

From source file:com.dh.perfectoffer.event.framework.net.network.NetworkConnectionImpl.java

/**
 * ???/*from  w  w  w . ja v  a2s .c  om*/
 * 
 * @param paramText
 * @return
 */
private static String bulidFormText(ArrayList<BasicNameValuePair> paramText) {
    if (paramText == null || paramText.isEmpty())
        return "";
    StringBuffer sb = new StringBuffer("");
    for (BasicNameValuePair bnvp : paramText) {
        sb.append(PREFIX).append(BOUNDARY).append(LINEND);
        sb.append("Content-Disposition:form-data;name=\"" + bnvp.getName() + "\"" + LINEND);
        sb.append(LINEND);
        sb.append(bnvp.getValue());
        sb.append(LINEND);
    }
    return sb.toString();
}

From source file:com.marlonjones.voidlauncher.InstallShortcutReceiver.java

static void flushInstallQueue(Context context) {
    SharedPreferences sp = Utilities.getPrefs(context);
    ArrayList<PendingInstallShortcutInfo> installQueue = getAndClearInstallQueue(sp, context);
    if (!installQueue.isEmpty()) {
        Iterator<PendingInstallShortcutInfo> iter = installQueue.iterator();
        ArrayList<ItemInfo> addShortcuts = new ArrayList<ItemInfo>();
        while (iter.hasNext()) {
            final PendingInstallShortcutInfo pendingInfo = iter.next();

            // If the intent specifies a package, make sure the package exists
            String packageName = pendingInfo.getTargetPackage();
            if (!TextUtils.isEmpty(packageName)) {
                UserHandleCompat myUserHandle = UserHandleCompat.myUserHandle();
                if (!LauncherModel.isValidPackage(context, packageName, myUserHandle)) {
                    if (DBG)
                        Log.d(TAG, "Ignoring shortcut for absent package: " + pendingInfo.launchIntent);
                    continue;
                }/*from w w w. ja v a 2 s  . com*/
            }

            // Generate a shortcut info to add into the model
            addShortcuts.add(pendingInfo.getShortcutInfo());
        }

        // Add the new apps to the model and bind them
        if (!addShortcuts.isEmpty()) {
            LauncherAppState app = LauncherAppState.getInstance();
            app.getModel().addAndBindAddedWorkspaceItems(context, addShortcuts);
        }
    }
}

From source file:edu.usc.squash.Main.java

private static HashMap<String, Module> parseQASMHF(Library library) {
    HFQParser hfqParser = null;//w w w  .j  a  v  a2s. c om
    /*
     * Pass 1: Getting module info
     */
    try {
        hfqParser = new HFQParser(new FileInputStream(hfqPath));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    HashMap<String, Module> moduleMap = hfqParser.parse(library, true, null);

    /* 
     * In order traversal of modules
     */

    ArrayList<CalledModule> modulesList = new ArrayList<CalledModule>();
    modulesList.add(new CalledModule(moduleMap.get("main"), new ArrayList<String>()));
    while (!modulesList.isEmpty()) {
        Module module = modulesList.get(0).getModule();

        if (!module.isVisited()) {
            module.setVisited();

            ArrayList<CalledModule> calledModules = module.getChildModules();
            modulesList.addAll(calledModules);
            for (CalledModule calledModule : calledModules) {
                Module childModule = calledModule.getModule();
                for (int i = 0; i < calledModule.getOps().size(); i++) {
                    Operand operand = childModule.getOperand(i);
                    if (operand.isArray() && operand.getLength() == -1) {
                        operand.setLength(module.getOperandLength(calledModule.getOps().get(i)));
                    }
                }
            }
        }
        modulesList.remove(0);
    }

    /*
     * Pass 2: Making hierarchical QMDG
     */
    try {
        hfqParser = new HFQParser(new FileInputStream(hfqPath));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    HashMap<String, Module> modules = hfqParser.parse(library, false, moduleMap);

    return modules;
}

From source file:net.opentsdb.tree.Leaf.java

/**
 * Attempts to fetch the requested leaf from storage.
 * <b>Note:</b> This method will not load the UID names from a TSDB. This is
 * only used to fetch a particular leaf from storage for collision detection
 * @param tsdb The TSDB to use for storage access
 * @param branch_id ID of the branch this leaf belongs to
 * @param display_name Name of the leaf/*w w w .j  a  va 2s. co  m*/
 * @return A valid leaf if found, null if the leaf did not exist
 * @throws HBaseException if there was an issue
 * @throws JSONException if the object could not be serialized
 */
private static Deferred<Leaf> getFromStorage(final TSDB tsdb, final byte[] branch_id,
        final String display_name) {

    final Leaf leaf = new Leaf();
    leaf.setDisplayName(display_name);

    final GetRequest get = new GetRequest(tsdb.treeTable(), branch_id);
    get.family(Tree.TREE_FAMILY());
    get.qualifier(leaf.columnQualifier());

    /**
     * Called with the results of the fetch from storage
     */
    final class GetCB implements Callback<Deferred<Leaf>, ArrayList<KeyValue>> {

        /**
         * @return null if the row was empty, a valid Leaf if parsing was 
         * successful
         */
        @Override
        public Deferred<Leaf> call(ArrayList<KeyValue> row) throws Exception {
            if (row == null || row.isEmpty()) {
                return Deferred.fromResult(null);
            }

            final Leaf leaf = JSON.parseToObject(row.get(0).value(), Leaf.class);
            return Deferred.fromResult(leaf);
        }

    }

    return tsdb.getClient().get(get).addCallbackDeferring(new GetCB());
}