Example usage for java.util Arrays toString

Introduction

In this page you can find the example usage for java.util Arrays toString.

Prototype

public static String toString(Object[] a)

Source Link

Document

Returns a string representation of the contents of the specified array.

Usage

From source file:Main.java

/** my code to convert from List<Double> to double[]
 *
 *///ww w. ja v a2s .c o m
public static float[] toFloatArray(List<Float> lf) {
    float[] results = new float[lf.size()];
    int i = 0;
    for (Float f : lf) {
        results[i++] = (f != null ? f : 0);
    }
    Log.i("TAG", "float conversion results " + Arrays.toString(results));
    return results;
}

From source file:Main.java

public static String findSettableValue(String name, Collection<String> supportedValues,
        String... desiredValues) {
    Log.i(TAG, "Requesting " + name + " value from among: " + Arrays.toString(desiredValues));
    Log.i(TAG, "Supported " + name + " values: " + supportedValues);
    if (supportedValues != null) {
        for (String desiredValue : desiredValues) {
            if (supportedValues.contains(desiredValue)) {
                Log.i(TAG, "Can set " + name + " to: " + desiredValue);
                return desiredValue;
            }/*from w ww  .j  a  va 2 s. c  o m*/
        }
    }
    Log.i(TAG, "No supported values match");
    return null;
}

From source file:Main.java

/**
 * {@link Arrays#toString(Object[])} with {@link Arrays#toString(Object[])} for array elements
 *//*  w  w  w .  j av  a2  s .  c o m*/
public static Object arrayToString(Object obj) {
    if (obj != null && obj.getClass().isArray()) {
        int len = Array.getLength(obj);
        String[] strings = new String[len];
        for (int i = 0; i < len; i++) {
            strings[i] = String.valueOf(Array.get(obj, i));
        }
        return Arrays.toString(strings);
    } else {
        return obj;
    }
}

From source file:Main.java

/**
 * Returns a string composed from a {@link SparseArray}.
 *//*from  w w w.  j ava  2s  .com*/
static String toString(SparseArray<byte[]> array) {
    if (array == null) {
        return "null";
    }
    if (array.size() == 0) {
        return "{}";
    }
    StringBuilder buffer = new StringBuilder();
    buffer.append('{');
    for (int i = 0; i < array.size(); ++i) {
        buffer.append(array.keyAt(i)).append("=").append(Arrays.toString(array.valueAt(i)));
    }
    buffer.append('}');
    return buffer.toString();
}

From source file:eu.socialSensor.diverseImages2014.datasetCreation.MakeRelevanceDataset.java

/**
 * @param args//from   w w w.  ja  va  2  s . c  om
 *            [0] collection path<br>
 *            [1] comma separated feature types e.g. "HOG,SURF,CM" <br>
 *            [2] comma separated individual feature normalizations e.g. "l2,no,l2" <br>
 *            [3] the type of normalization to apply on the concatenation of the features that are
 *            individually normalized, e.g. "l2" or "no" <br>
 *            [4] the type of normalization to apply on the overall vector, e.g. "l2" or "no" <br>
 *            [5] whether to include Wikipedia image vectors <br>
 *            [6] whether to write the dataset in sparse format<br>
 *            [7] the filename extension (typically "dev" or "test")
 * 
 * @throws Exception
 */
public static void main(String[] args) throws Exception {
    String collectionPath = args[0];
    String[] featureTypes = args[1].split(",");
    String[] individualNorms = args[2].split(",");
    if (featureTypes.length != individualNorms.length) {
        throw new Exception("Features types and normalizations have different sizes!");
    }
    String level1Norm = args[3];
    String finalNorm = args[4];
    boolean includeWiki = Boolean.parseBoolean(args[5]);
    boolean writeSparse = Boolean.parseBoolean(args[6]);
    String datasetExtension = args[7];

    MEDI2014Collection dataStoreTrain = new MEDI2014Collection(collectionPath);
    dataStoreTrain.loadAll(includeWiki, featureTypes, individualNorms);

    MakeRelevanceDataset marf = new MakeRelevanceDataset(dataStoreTrain, featureTypes);

    String arffFileName = Arrays.toString(featureTypes) + "-" + Arrays.toString(individualNorms) + "-"
            + level1Norm + "-" + finalNorm;
    arffFileName += "-" + datasetExtension + ".arff";
    marf.writeFile(arffFileName, individualNorms, level1Norm, finalNorm, writeSparse);

}

From source file:Main.java

/**
 * Finds the best possible value out of the list of supported values
 * @param name name of the desired mode the values are searched for
 * @param supportedValues the supported values
 * @param desiredValues the desired values with descending priority
 * @return the best possible value/* www. j ava 2  s .  c o m*/
 */
private static String findSettableValue(String name, Collection<String> supportedValues,
        String... desiredValues) {
    Log.i(TAG, "Requesting " + name + " value from among: " + Arrays.toString(desiredValues));
    Log.i(TAG, "Supported " + name + " values: " + supportedValues);
    if (supportedValues != null) {
        for (String desiredValue : desiredValues) {
            if (supportedValues.contains(desiredValue)) {
                Log.i(TAG, "Can set " + name + " to: " + desiredValue);
                return desiredValue;
            }
        }
    }
    Log.i(TAG, "No supported values match");
    return null;
}

From source file:Main.java

public static Map<String, Object> toMap(String[] names, Object[] parameters) {
    Map<String, Object> map = new HashMap<String, Object>();
    if (parameters == null || parameters.length == 0) {
        return map;
    }/*from w  w  w  .j a  va2 s  .  com*/
    if (names == null || names.length < parameters.length) {
        throw new IllegalArgumentException("Mismatch parameters. names: " + Arrays.toString(names)
                + ", values: " + Arrays.toString(parameters));
    }
    for (int i = 0; i < parameters.length; i++) {
        map.put(names[i], parameters[i]);
    }
    return map;
}

From source file:Main.java

public static <E> String collectionToString(final Collection<E> collection) {
    return Arrays.toString(
            from(collection != null ? collection : new ArrayList<E>()).transform(new Function<E, String>() {
                @Override//  ww w  .j  a va 2s.  c  o m
                public String apply(final E item) {
                    return item != null ? item.toString() : null;
                }
            }).filter(notNull()).toArray(String.class));
}

From source file:Main.java

/**
 * Returns a string composed from a {@link Map}.
 *///from   w w  w.  j a  v  a2s.c om
public static <T> String toString(Map<T, byte[]> map) {
    if (map == null) {
        return "null";
    }
    if (map.isEmpty()) {
        return "{}";
    }
    StringBuilder buffer = new StringBuilder();
    buffer.append('{');
    Iterator<Map.Entry<T, byte[]>> it = map.entrySet().iterator();
    while (it.hasNext()) {
        Map.Entry<T, byte[]> entry = it.next();
        Object key = entry.getKey();
        buffer.append(key).append("=").append(Arrays.toString(map.get(key)));
        if (it.hasNext()) {
            buffer.append(", ");
        }
    }
    buffer.append('}');
    return buffer.toString();
}