Example usage for java.util List isEmpty

Introduction

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

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this list contains no elements.

Usage

From source file:com.glaf.core.util.IdentityUtils.java

/**
 * ???//ww w  . jav  a 2s.  c  om
 * 
 * @param sqlSession
 * @param paramMap
 * @return
 */
public static List<String> getActorIds(SqlSession sqlSession, Map<String, Object> paramMap) {
    List<String> actorIds = new java.util.ArrayList<String>();
    String statementId = CustomProperties.getString("sys.getActorIds");
    if (StringUtils.isEmpty(statementId)) {
        statementId = "getActorIds";
    }
    MyBatisEntityDAO entityDAO = new MyBatisEntityDAO(sqlSession);
    List<Object> rows = entityDAO.getList(statementId, paramMap);
    if (rows != null && !rows.isEmpty()) {
        for (Object object : rows) {
            if (object instanceof com.glaf.core.identity.User) {
                String actorId = ((com.glaf.core.identity.User) object).getActorId();
                if (!actorIds.contains(actorId)) {
                    actorIds.add(actorId);
                }
            } else if (object instanceof String) {
                String actorId = (String) object;
                if (!actorIds.contains(actorId)) {
                    actorIds.add(actorId);
                }
            }
        }
    }
    return actorIds;
}

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From source file:com.netflix.imfutility.itunes.inputparameters.ITunesInputParametersValidator.java

private static void validateFiles(List<File> files, String fileType) throws ArgumentValidationException {
    if (files != null && !files.isEmpty()) {
        files.forEach((file) -> validateFile(file, fileType));
    }//from   w  ww  .j a  v  a 2 s.co m
}

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From source file:com.fizzed.blaze.internal.DependencyHelper.java

/**
 * Get the dependency list from the application configuration file.
 * @param config/*from ww  w  .  j a  v a 2  s  .  com*/
 * @return 
 */
static public List<Dependency> applicationDependencies(Config config) {
    List<String> ds = config.valueList(Config.KEY_DEPENDENCIES).getOrNull();

    if (ds == null || ds.isEmpty()) {
        return null;
    }

    List<Dependency> dependencies = new ArrayList<>(ds.size());

    ds.stream().forEach((d) -> {
        dependencies.add(Dependency.parse(d));
    });

    return dependencies;
}

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From source file:net.di2e.ecdr.commons.util.GeospatialUtils.java

/**
 * Converts a list of points into a geotools-based bounding box.
 *
 * @param points List of points, should only include the 'upper-left' and 'lower-right' points in that order.
 *               Code will not look at any other points that are passed in.
 * @return BoundingBox if transformation works, null otherwise.
 *///from   ww  w  .j  a  v  a  2 s.  c o m
public static BoundingBox pointsToBBox(List<org.opengis.geometry.primitive.Point> points) {
    BoundingBox bbox = null;
    if (!points.isEmpty()) {
        org.opengis.geometry.primitive.Point point1 = points.get(0);
        org.opengis.geometry.primitive.Point point2 = points.get(1);
        bbox = new ReferencedEnvelope(point1.getDirectPosition().getCoordinate()[0],
                point2.getDirectPosition().getCoordinate()[0], point1.getDirectPosition().getCoordinate()[1],
                point2.getDirectPosition().getCoordinate()[1], DefaultGeographicCRS.WGS84);
    }
    return bbox;
}

---

From source file:com.hangum.tadpole.rdb.core.util.GenerateDDLScriptUtils.java

/**
 * get table script//from  w  w  w.  j a v a2 s .c om
 * 
 * @param userDB
 * @param tableDAO
 * @param showTableColumns
 * @return
 */
public static String genTableScript(UserDBDAO userDB, TableDAO tableDAO,
        List<TableColumnDAO> showTableColumns) {
    if (showTableColumns == null)
        return "";
    if (showTableColumns.isEmpty())
        return "";

    StringBuffer sbSQL = new StringBuffer();
    try {
        sbSQL.append("SELECT "); //$NON-NLS-1$
        for (int i = 0; i < showTableColumns.size(); i++) {
            TableColumnDAO dao = showTableColumns.get(i);
            sbSQL.append(StringUtils.trim(dao.getSysName()));

            //  ? ,  
            if (i < (showTableColumns.size() - 1))
                sbSQL.append(", "); //$NON-NLS-1$
            else
                sbSQL.append(" "); //$NON-NLS-1$
        }

        sbSQL.append(PublicTadpoleDefine.LINE_SEPARATOR + "FROM "); //$NON-NLS-1$ 
        sbSQL.append(SQLUtil.getTableName(userDB, tableDAO));
        sbSQL.append(PublicTadpoleDefine.SQL_DELIMITER);

    } catch (Exception e) {
        logger.error("Generate select statement", e);

        Status errStatus = new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), e); //$NON-NLS-1$
        ExceptionDetailsErrorDialog.openError(null, Messages.get().Error,
                Messages.get().GenerateSQLSelectAction_0, errStatus); //$NON-NLS-1$
    }

    return sbSQL.toString();
}

---

From source file:com.kdmanalytics.toif.util.MemberUtil.java

/**
 * find suitable resources/*www.  jav  a 2 s. c o m*/
 * 
 * @param member
 * @param file
 * @return
 * @throws CoreException
 */
public static IResource findMembers(IResource member, IFileGroup file) throws CoreException {
    String name = file.getName();

    String path = file.getPath();
    path = path.replace("\\", "/");

    String[] pathArray = path.split("/");
    ArrayUtils.reverse(pathArray);

    List<IResource> result = new ArrayList<IResource>();
    List<IResource> toDo = new ArrayList<IResource>();

    toDo.add(member);

    while (!toDo.isEmpty()) {
        IResource resource = toDo.remove(0);

        if (resource instanceof IContainer) {
            for (IResource iResource : ((IContainer) resource).members()) {
                toDo.add(iResource);
            }
        }

        result.add(resource);

    }

    ResourceMatch match = new ResourceMatch();

    for (IResource iResource : result) {
        if (iResource == null) {
            continue;
        }
        if (iResource.getName().equals(name)) {
            IPath ipath = iResource.getLocation();

            String stringPath = ipath.toString();
            stringPath = stringPath.replace("\\", "/");

            String[] resourcePathArray = stringPath.split("/");
            ArrayUtils.reverse(resourcePathArray);

            int smallestSize = (pathArray.length < resourcePathArray.length) ? pathArray.length
                    : resourcePathArray.length;
            for (int i = 0; i < smallestSize; i++) {
                if (pathArray[i].equals(resourcePathArray[i])) {
                    if (i >= match.getScore()) {
                        match = new ResourceMatch(iResource, i);
                    }
                } else {
                    break;
                }

            }
        }
    }

    return match.getIResource();
}

---

From source file:Main.java

/**
 * Internal function to realize the mathematical combination of given
 * values. This method creates the next sub-tree by iterating over values
 * given by parameter set./*  w ww.ja  va2 s  . c  o  m*/
 * 
 * @param <E>
 *            the type of the given and returned values
 * @param list
 *            the possible values for next iteration
 * @param combination
 *            the current path of the abstract combination tree
 * @param combinations
 *            overall combinations
 */
private static <E extends Object> void combination(List<E> list, List<E> combination,
        List<List<E>> combinations) {
    for (E value : list) {
        List<E> combination_ = new LinkedList<E>();
        combination_.addAll(combination);
        combination_.add(value);
        combinations.add(combination_);

        List<E> list_ = new LinkedList<E>();
        list_.addAll(list);
        list_.remove(list);
        if (!list_.isEmpty()) {
            combination(list_, combination_, combinations);
        }
    }
}

---

From source file:com.ejisto.core.classloading.scan.ScanAction.java

private static void scanClass(List<MockedField> group, ClassPool classPool, ClassTransformerImpl transformer,
        String destPath) {/*ww  w . ja  v  a2s. c  o  m*/
    if (!group.isEmpty()) {
        MockedField head = group.get(0);
        log.debug("scanning " + head.getClassName());
        try {
            CtClass clazz = classPool.get(head.getClassName());
            transformer.addMissingProperties(clazz, group);
            clazz.writeFile(destPath);
        } catch (NotFoundException | CannotCompileException | IOException e) {
            log.error("got exception: " + e.toString());
            throw new ApplicationException(e);
        }
    }
}

---

From source file:com.kdmanalytics.toif.report.internal.util.MemberUtil.java

/**
 * find suitable resources//from w  ww. j  a va  2  s  . c  o m
 * 
 * @param member
 * @param file
 * @return
 * @throws CoreException
 */
public static IResource findMembers(IResource member, IFileGroup file) throws CoreException {
    String name = file.getName();

    String path = file.getPath();
    path = path.replace("\\", "/");

    String[] pathArray = path.split("/");
    ArrayUtils.reverse(pathArray);

    List<IResource> result = new ArrayList<IResource>();
    List<IResource> toDo = new ArrayList<IResource>();

    toDo.add(member);

    while (!toDo.isEmpty()) {
        IResource resource = toDo.remove(0);

        if (resource instanceof IContainer) {
            for (IResource iResource : ((IContainer) resource).members()) {
                toDo.add(iResource);
            }
        }

        result.add(resource);

    }

    ResourceMatch match = new ResourceMatch();

    for (IResource iResource : result) {
        if (iResource == null) {
            continue;
        }
        if (iResource.getName().equals(name)) {
            IPath ipath = iResource.getLocation();

            String stringPath = ipath.toString();
            stringPath = stringPath.replace("\\", "/");

            String[] resourcePathArray = stringPath.split("/");
            ArrayUtils.reverse(resourcePathArray);

            int smallestSize = (pathArray.length < resourcePathArray.length) ? pathArray.length
                    : resourcePathArray.length;
            for (int i = 0; i < smallestSize; i++) {
                if (pathArray[i].equals(resourcePathArray[i])) {
                    if (i >= match.getScore()) {
                        match = new ResourceMatch(iResource, i);
                        System.err.println(stringPath);
                    }
                } else {
                    break;
                }

            }
        }
    }

    return match.getIResource();
}

---

From source file:Main.java

private static Integer indexOfClosestZoom(Camera.Parameters parameters, double targetZoomRatio) {
    List<Integer> ratios = parameters.getZoomRatios();
    Log.i(TAG, "Zoom ratios: " + ratios);
    int maxZoom = parameters.getMaxZoom();
    if (ratios == null || ratios.isEmpty() || ratios.size() != maxZoom + 1) {
        Log.w(TAG, "Invalid zoom ratios!");
        return null;
    }/*w ww .ja v  a 2 s  . c o m*/
    double target100 = 100.0 * targetZoomRatio;
    double smallestDiff = Double.POSITIVE_INFINITY;
    int closestIndex = 0;
    for (int i = 0; i < ratios.size(); i++) {
        double diff = Math.abs(ratios.get(i) - target100);
        if (diff < smallestDiff) {
            smallestDiff = diff;
            closestIndex = i;
        }
    }
    Log.i(TAG, "Chose zoom ratio of " + (ratios.get(closestIndex) / 100.0));
    return closestIndex;
}

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