Example usage for java.lang Class getComponentType

Introduction

In this page you can find the example usage for java.lang Class getComponentType.

Prototype

public Class<?> getComponentType() 

Source Link

Document

Returns the Class representing the component type of an array.

Usage

From source file:org.baswell.routes.ResponseTypeMapper.java

static ResponseType mapResponseType(Method method, RouteConfiguration routeConfiguration) {
    Class returnType = method.getReturnType();
    if ((returnType == void.class) || (returnType == Void.class)) {
        return ResponseType.VOID;
    } else if (returnType.isArray() && (returnType.getComponentType() == byte.class)) {
        return ResponseType.BYTES_CONTENT;
    } else if (returnType == InputStream.class) {
        return ResponseType.STREAM_CONTENT;
    } else if ((returnType == String.class) && !routeConfiguration.returnedStringIsContent) {
        return ResponseType.FORWARD_DISPATCH;
    } else {//  w  w  w  .  ja  va2 s  .  c o m
        return ResponseType.STRING_CONTENT;
    }
}

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From source file:ArrayExpander.java

public static Object expand(Object array, int newSize) {
    if (array == null) {
        return null;
    }/* w w w.ja v  a  2  s. c om*/
    Class c = array.getClass();
    if (c.isArray()) {
        int len = Array.getLength(array);
        if (len >= newSize) {
            return array;
        } else {
            Class cc = c.getComponentType();
            Object newArray = Array.newInstance(cc, newSize);
            System.arraycopy(array, 0, newArray, 0, len);
            return newArray;
        }
    } else {
        throw new ClassCastException("need  array");
    }
}

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From source file:ArrayExpander.java

public static Object expandAtHead(Object array, int newSize) {
    if (array == null) {
        return null;
    }// w  w  w .  j av a  2  s.  c  o  m
    Class c = array.getClass();
    if (c.isArray()) {
        int len = Array.getLength(array);
        if (len >= newSize) {
            return array;
        } else {
            Class cc = c.getComponentType();
            Object newArray = Array.newInstance(cc, newSize);
            System.arraycopy(array, 0, newArray, newSize - len, len);
            return newArray;
        }
    } else {
        throw new ClassCastException("need  array");
    }
}

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From source file:com.adobe.acs.commons.mcp.util.AnnotatedFieldDeserializer.java

private static Object convertValue(String value, Class<?> type) throws ParseException {
    Class clazz = type.isArray() ? type.getComponentType() : type;
    if (clazz.isPrimitive() || Number.class.isAssignableFrom(clazz) || clazz == Boolean.class) {
        return convertPrimitiveValue(value, clazz);
    } else if (clazz == String.class) {
        return value;
    } else if (clazz.isEnum()) {
        return Enum.valueOf((Class<Enum>) clazz, value);
    }/*  ww w . j  ava 2  s . co m*/

    return null;
}

---

From source file:Main.java

private static Object[] copyOf(Object[] obj, int newSize, Class<? extends Object> newType) {
    Object[] copy = ((Object) newType == (Object) Object[].class) ? (Object[]) new Object[newSize]
            : (Object[]) Array.newInstance(newType.getComponentType(), newSize);
    return copy;//from  w w w  . j  a  va  2s .  c  o m
}

---

From source file:com.britesnow.snow.util.ObjectUtil.java

/**
 * <div class="notes"> <strong>Notes:</strong>
 * <ul>/*  ww w . ja  va 2s  .  c om*/
 * <li>So far does not safeguard any type conversion (will throw an runtime exception if parsing fail)</li>
 * </ul>
 * </div>
 * 
 * @param <T>
 * @param values
 *            String arrays of the value to be converted
 * @param cls
 * @param defaultValues
 * @return The typed array given a value of the String.
 */
public static final <T> T getValue(String[] values, Class<T> cls, T defaultValues) {
    if (values != null && cls.isArray()) {
        Class compCls = cls.getComponentType();
        T resultArray = (T) Array.newInstance(compCls, values.length);
        int i = 0;
        for (String v : values) {
            Object r = getValue(v, compCls, null);
            Array.set(resultArray, i++, r);
        }
        return resultArray;
    } else {
        return defaultValues;
    }

}

---

From source file:it.greenvulcano.util.ArrayUtils.java

public static final List<?> arrayToList(Object arr) {
    List<?> list = null;//from   ww  w .j a v a2s  .com

    Class<?> ac = arr.getClass();
    if (!ac.isArray()) {
        throw new IllegalArgumentException("The input parameter isn't an array");
    }

    Class<?> act = ac.getComponentType();
    if (act.isPrimitive()) {
        if (act.equals(boolean.class)) {
            list = Arrays.asList(org.apache.commons.lang3.ArrayUtils.toObject((boolean[]) arr));
        } else if (act.equals(byte.class)) {
            list = Arrays.asList(org.apache.commons.lang3.ArrayUtils.toObject((byte[]) arr));
        } else if (act.equals(char.class)) {
            list = Arrays.asList(org.apache.commons.lang3.ArrayUtils.toObject((char[]) arr));
        } else if (act.equals(short.class)) {
            list = Arrays.asList(org.apache.commons.lang3.ArrayUtils.toObject((short[]) arr));
        } else if (act.equals(int.class)) {
            list = Arrays.asList(org.apache.commons.lang3.ArrayUtils.toObject((int[]) arr));
        } else if (act.equals(long.class)) {
            list = Arrays.asList(org.apache.commons.lang3.ArrayUtils.toObject((long[]) arr));
        } else if (act.equals(float.class)) {
            list = Arrays.asList(org.apache.commons.lang3.ArrayUtils.toObject((float[]) arr));
        } else if (act.equals(double.class)) {
            list = Arrays.asList(org.apache.commons.lang3.ArrayUtils.toObject((double[]) arr));
        }
    } else {
        list = arrayToList((Object[]) arr);
    }

    return list;
}

---

From source file:Main.java

/**
 * renderArray returns an array similar to a List. If the array type is an
 * object they are rendered with "render(object)" for each. If the array
 * type is a primitive each element is added directly to the string buffer
 * collecting the result.//from   ww w. ja v a  2 s  .c  o m
 * 
 * @param o
 * @param objectClass
 * @return
 */
private static StringBuffer renderArray(Object o, Class<?> objectClass) {
    Class<?> componentType = objectClass.getComponentType();
    StringBuffer sb = new StringBuffer(ARRAY_PREFIX);

    if (componentType.isPrimitive() == false) {
        Object[] oa = (Object[]) o;
        for (int i = 0; i < oa.length; i++) {
            if (i > 0) {
                sb.append(ELEMENT_SEPARATOR);
            }
            sb.append(render(oa[i]));
        }
    } else {
        if (Boolean.TYPE.equals(componentType)) {
            boolean[] ba = (boolean[]) o;
            for (int i = 0; i < ba.length; i++) {
                if (i > 0) {
                    sb.append(ELEMENT_SEPARATOR);
                }
                sb.append(ba[i]);
            }
        } else if (Integer.TYPE.equals(componentType)) {
            int[] ia = (int[]) o;
            for (int i = 0; i < ia.length; i++) {
                if (i > 0) {
                    sb.append(ELEMENT_SEPARATOR);
                }
                sb.append(ia[i]);
            }

        } else if (Long.TYPE.equals(componentType)) {
            long[] ia = (long[]) o;
            for (int i = 0; i < ia.length; i++) {
                if (i > 0) {
                    sb.append(ELEMENT_SEPARATOR);
                }
                sb.append(ia[i]);
            }
        } else if (Double.TYPE.equals(componentType)) {
            double[] ia = (double[]) o;
            for (int i = 0; i < ia.length; i++) {
                if (i > 0) {
                    sb.append(ELEMENT_SEPARATOR);
                }
                sb.append(ia[i]);
            }
        } else if (Float.TYPE.equals(componentType)) {
            float[] ia = (float[]) o;
            for (int i = 0; i < ia.length; i++) {
                if (i > 0) {
                    sb.append(ELEMENT_SEPARATOR);
                }
                sb.append(ia[i]);
            }
        } else if (Character.TYPE.equals(componentType)) {
            char[] ia = (char[]) o;
            for (int i = 0; i < ia.length; i++) {
                if (i > 0) {
                    sb.append(ELEMENT_SEPARATOR);
                }
                sb.append(ia[i]);
            }
        } else if (Short.TYPE.equals(componentType)) {
            short[] ia = (short[]) o;
            for (int i = 0; i < ia.length; i++) {
                if (i > 0) {
                    sb.append(ELEMENT_SEPARATOR);
                }
                sb.append(ia[i]);
            }
        } else if (Byte.TYPE.equals(componentType)) {
            byte[] ia = (byte[]) o;
            for (int i = 0; i < ia.length; i++) {
                if (i > 0) {
                    sb.append(ELEMENT_SEPARATOR);
                }
                sb.append(ia[i]);
            }
        }
    }
    sb.append(ARRAY_SUFFIX);
    return sb;
}

---

From source file:br.msf.commons.util.ArrayUtils.java

/**
 * Returns the dimension count of the given array.
 *
 * @param array The array to be evaluated.
 * @return The dimension count of the given array.
 *///w  ww.  j a  v  a 2  s . co m
public static int getDimension(final Object array) {
    if (array == null) {
        return 0;
    }
    int dim = 0;
    Class<?> c = array.getClass();
    while (c.isArray()) {
        c = c.getComponentType();
        dim++;
    }
    return dim;
}

---

From source file:ClassUtils.java

/**
 * Build a nice qualified name for an array:
 * component type class name + "[]"./*w  ww.j a va 2s .c  o m*/
 * @param clazz the array class
 * @return a qualified name for the array class
 */
private static String getQualifiedNameForArray(Class clazz) {
    StringBuffer buffer = new StringBuffer();
    while (clazz.isArray()) {
        clazz = clazz.getComponentType();
        buffer.append(ClassUtils.ARRAY_SUFFIX);
    }
    buffer.insert(0, clazz.getName());
    return buffer.toString();
}

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