Example usage for java.util ArrayList toArray

Introduction

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

Prototype

@SuppressWarnings("unchecked")
public <T> T[] toArray(T[] a)

Source Link

Document

Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.

Usage

From source file:au.com.wallaceit.reddinator.SubredditManager.java

public void setAllFilter(ArrayList<String> filter) {
    prefs.edit().putString("allFilter", StringUtils.join(filter.toArray(new String[filter.size()]), ","))
            .apply();/*w w w. j  ava2 s  . c o m*/
}

From source file:com.ikon.util.MailUtils.java

/**
 * Conversion from array of Addresses to array of Strings.
 *//*  w  w  w .java 2  s .  c om*/
private static String[] addressToString(Address[] addresses) {
    ArrayList<String> list = new ArrayList<String>();

    if (addresses != null) {
        for (int i = 0; i < addresses.length; i++) {
            list.add(addresses[i].toString());
        }
    }

    return (String[]) list.toArray(new String[list.size()]);
}

From source file:com.kamuda.common.exception.ExceptionUtils.java

/**
 * <p>Creates a compact stack trace for the root cause of the supplied
 * <code>Throwable</code>.</p>
 * //from w w  w.  j  a v  a 2s .  co m
 * @param throwable  the throwable to examine, may be null
 * @return an array of stack trace frames, never null
 * @since 2.0
 */
public static String[] getRootCauseStackTrace(Throwable throwable) {
    if (throwable == null) {
        return ArrayHelper.EMPTY_STRING_ARRAY;
    }
    Throwable throwables[] = getThrowables(throwable);
    int count = throwables.length;
    ArrayList frames = new ArrayList();
    List nextTrace = getStackFrameList(throwables[count - 1]);
    for (int i = count; --i >= 0;) {
        List trace = nextTrace;
        if (i != 0) {
            nextTrace = getStackFrameList(throwables[i - 1]);
            removeCommonFrames(trace, nextTrace);
        }
        if (i == count - 1) {
            frames.add(throwables[i].toString());
        } else {
            frames.add(WRAPPED_MARKER + throwables[i].toString());
        }
        for (int j = 0; j < trace.size(); j++) {
            frames.add(trace.get(j));
        }
    }
    return (String[]) frames.toArray(new String[0]);
}

From source file:controller.VisLP.java

/**
 * @param  points//ww w .  j a  v  a 2s.c o  m
 *         Unordered list of points that can form a
 *         convex polygon, but in the given order
 *         does not necessarily form a convex
 *         polygon if edges are drawn between the
 *         points in the given order.
 * @return 
 *         An ordered list of points that when edges
 *         are drawn in this order is guaranteed to
 *         form a convex polygon.
 */
static Point2D[] convex(Point2D[] points) {
    /* 
     * Sort the points first on x-value then
     * on y-value, both in ascending order.
     */
    Arrays.sort(points, new Comparator<Point2D>() {
        @Override
        public int compare(Point2D o1, Point2D o2) {
            double s = o1.getX() - o2.getX();
            if (s > 0)
                return 1;
            if (s < 0)
                return -1;

            s = o1.getY() - o2.getY();
            if (s > 0)
                return 1;
            if (s < 0)
                return -1;

            return 0;
        }
    });

    Point2D x_min = points[0];
    Point2D x_max = points[points.length - 1];

    ArrayList<Point2D> upper = new ArrayList<Point2D>();
    ArrayList<Point2D> lower = new ArrayList<Point2D>();

    upper.add(x_min);

    /* Find the slope of the line L connecting x_min and x_max */
    double mx = x_max.getX() - x_min.getX();
    double my = x_max.getY() - x_min.getY();
    double m = my / mx;

    /* Intersection of y-axis */
    double b = x_max.getY() - (m * x_max.getX());

    /* Add points above/below L to upper/lower, respectively */
    for (int i = 1; i < points.length - 1; i++) {
        Point2D p2d = points[i];
        double y = p2d.getX() * m + b;

        if (p2d.getY() >= y)
            upper.add(p2d);
        else
            lower.add(p2d);
    }

    /* Sort the lower list in descending order */
    lower.add(x_max);
    Collections.reverse(lower);

    upper.addAll(lower);
    return upper.toArray(new Point2D[0]);
}

From source file:CASUAL.communicationstools.heimdall.odin.Odin.java

public String[] getHeimdallFileParametersFromOdinFile(String tempFolder, File[] files)
        throws CorruptOdinFileException, FileNotFoundException {
    //Sorted set allows for only one instance of each file to exist
    SortedSet<File> set = new java.util.TreeSet<File>();

    //decompress Odin files into regular files and track them
    for (File file : files) {
        OdinFile o;//from  w w w.  j  a v a2s  .co  m
        try {
            o = new OdinFile(file);
            o.extractOdinContents(tempFolder);
            set.addAll(Arrays.asList(o.extractOdinContents(tempFolder)));
        } catch (IOException ex) {
            throw new FileNotFoundException();
        } catch (NoSuchAlgorithmException ex) {
            throw new CorruptOdinFileException("This computer cannot handle the file");
        } catch (CorruptOdinFileException ex) {
            throw new CorruptOdinFileException("The Archive is corrupt");
        } catch (ArchiveException ex) {
            throw new CorruptOdinFileException("The Archive is corrupt");
        }
    }

    //create list of --PARTITION filename for Heimdall
    ArrayList<String> list = new ArrayList<String>();
    for (File f : set) {
        String partname = pit.findEntryByFilename(f.getName()).getPartitionName();
        list.add("--" + partname);
        list.add(f.getAbsolutePath());
    }

    //return that list. 
    return list.toArray(new String[list.size()]);
}

From source file:com.cloudera.sqoop.manager.DirectPostgreSQLExportManualTest.java

@Override
protected String[] getArgv(boolean includeHadoopFlags, int rowsPerStatement, int statementsPerTx,
        String... additionalArgv) {
    ArrayList<String> args = new ArrayList<String>(Arrays.asList(additionalArgv));
    args.add("--username");
    args.add(getUserName());//from   w  w  w  .  ja v a2  s  .  co  m
    args.add("--direct");
    return super.getArgv(includeHadoopFlags, rowsPerStatement, statementsPerTx, args.toArray(new String[0]));
}

From source file:edu.ku.brc.ui.StringFormatHelper.java

public boolean createFormatter(final String formatStr, final boolean displayError) {
    String[] fmts = StringUtils.splitPreserveAllTokens(formatStr, '%');
    if (fmts != null && fmts.length > 0) {
        ArrayList<String> fmtList = new ArrayList<String>();
        for (String str : fmts) {
            if (StringUtils.isNotEmpty(str)) {
                fmtList.add("%" + str);
            }/*from ww w .j a v a 2 s  .c  o  m*/
        }
        formats = new String[fmtList.size()];
        fmtList.toArray(formats);
        return true;
    }
    return false;
}

From source file:es.pode.administracion.presentacion.noticias.noticias.NoticiasControllerImpl.java

public String[] devuelveArraySinIdiomasPrioritarios(String[] idiomas, ArrayList listaIdiomas) throws Exception {
    ArrayList listaAux = new ArrayList();
    listaAux = devuelveArraySinString(idiomas, (String) listaIdiomas.get(0));
    for (int i = 1; i < listaIdiomas.size(); i++) {
        listaAux = devuelveArraySinString((String[]) listaAux.toArray(new String[0]),
                (String) listaIdiomas.get(i));
    }/*from   w  w w .ja  v a 2  s  .  c o  m*/
    return (String[]) listaAux.toArray(new String[0]);

}

From source file:org.opendatakit.database.queries.BindArgs.java

public BindArgs(String fromJSON) {
    if (fromJSON == null || fromJSON.isEmpty()) {
        bindArgs = new Object[0];
        return;/*www  .  j a va2  s.c om*/
    }

    TypeReference<ArrayList<Object>> type = new TypeReference<ArrayList<Object>>() {
    };
    try {
        ArrayList<Object> values = ODKFileUtils.mapper.readValue(fromJSON, type);
        if (values == null) {
            bindArgs = new Object[0];
        } else {
            bindArgs = values.toArray(new Object[values.size()]);
        }
    } catch (IOException ignored) {
        // not expected
        throw new IllegalStateException("Unable to deserialize bindArgs");
    }
}

From source file:CacheFilter.java

public void init(FilterConfig config) {
    Enumeration<?> names = config.getInitParameterNames();
    ArrayList<String[]> tmp = new ArrayList<String[]>();
    while (names.hasMoreElements()) {
        String name = (String) names.nextElement();
        String value = config.getInitParameter(name);
        String[] pair = { name, value };
        tmp.add(pair);/*from w w w  .ja va  2 s .  c  om*/
    }
    replyHeaders = new String[tmp.size()][2];
    tmp.toArray(replyHeaders);
}