Example usage for java.lang Character valueOf

Introduction

In this page you can find the example usage for java.lang Character valueOf.

Prototype

@HotSpotIntrinsicCandidate
public static Character valueOf(char c) 

Source Link

Document

Returns a Character instance representing the specified char value.

Usage

From source file:Main.java

public static Object getObject(String type, String value) throws Exception {

    type = type.toLowerCase();//from  w  ww. ja  v  a2  s . c om
    if ("boolean".equals(type))
        return Boolean.valueOf(value);
    if ("byte".equals(type))
        return Byte.valueOf(value);
    if ("short".equals(type))
        return Short.valueOf(value);
    if ("char".equals(type))
        if (value.length() != 1)
            throw new NumberFormatException("Argument is not a character!");
        else
            return Character.valueOf(value.toCharArray()[0]);
    if ("int".equals(type))
        return Integer.valueOf(value);
    if ("long".equals(type))
        return Long.valueOf(value);
    if ("float".equals(type))
        return Float.valueOf(value);
    if ("double".equals(type))
        return Double.valueOf(value);
    if ("string".equals(type))
        return value;
    else {
        Object objs[] = new String[] { value };
        return Class.forName(type).getConstructor(new Class[] { java.lang.String.class }).newInstance(objs);
    }
}

---

From source file:Main.java

/**
 * Converts to object array.//from  w ww.j av a  2 s .c o  m
 */
public static Character[] valuesOf(char[] array) {
    Character[] dest = new Character[array.length];
    for (int i = 0; i < array.length; i++) {
        dest[i] = Character.valueOf(array[i]);
    }
    return dest;
}

---

From source file:org.evosuite.utils.NumberFormatter.java

/**
 * <p>//from   w w w. j ava2 s  . c  o m
 * getNumberString
 * </p>
 * 
 * @param value
 *            a {@link java.lang.Object} object.
 * @return a {@link java.lang.String} object.
 */
public static String getNumberString(Object value) {
    if (value == null)
        return "null";
    else if (value.getClass().equals(char.class) || value.getClass().equals(Character.class)) {
        // StringEscapeUtils fails to escape a single quote char
        if (Character.valueOf('\'').equals(value)) {
            return "'\\\''";
        } else {
            return "'" + StringEscapeUtils.escapeJava(Character.toString((Character) value)) + "'";
        }
    } else if (value.getClass().equals(String.class)) {
        return "\"" + StringEscapeUtils.escapeJava((String) value) + "\"";
    } else if (value.getClass().equals(float.class) || value.getClass().equals(Float.class)) {
        if (value.toString().equals("" + Float.NaN))
            return "Float.NaN";
        else if (value.toString().equals("" + Float.NEGATIVE_INFINITY))
            return "Float.NEGATIVE_INFINITY";
        else if (value.toString().equals("" + Float.POSITIVE_INFINITY))
            return "Float.POSITIVE_INFINITY";
        else if (((Float) value) < 0F)
            return "(" + value + "F)";
        else
            return value + "F";
    } else if (value.getClass().equals(double.class) || value.getClass().equals(Double.class)) {
        if (value.toString().equals("" + Double.NaN))
            return "Double.NaN";
        else if (value.toString().equals("" + Double.NEGATIVE_INFINITY))
            return "Double.NEGATIVE_INFINITY";
        else if (value.toString().equals("" + Double.POSITIVE_INFINITY))
            return "Double.POSITIVE_INFINITY";
        else if (((Double) value) < 0.0)
            return "(" + value + ")";
        else
            return value.toString();
    } else if (value.getClass().equals(long.class) || value.getClass().equals(Long.class)) {
        if (((Long) value) < 0)
            return "(" + value + "L)";
        else
            return value + "L";
    } else if (value.getClass().equals(byte.class) || value.getClass().equals(Byte.class)) {
        if (((Byte) value) < 0)
            return "(byte) (" + value + ")";
        else
            return "(byte)" + value;
    } else if (value.getClass().equals(short.class) || value.getClass().equals(Short.class)) {
        if (((Short) value) < 0)
            return "(short) (" + value + ")";
        else
            return "(short)" + value;
    } else if (value.getClass().equals(int.class) || value.getClass().equals(Integer.class)) {
        int val = ((Integer) value).intValue();
        if (val == Integer.MAX_VALUE)
            return "Integer.MAX_VALUE";
        else if (val == Integer.MIN_VALUE)
            return "Integer.MIN_VALUE";
        else if (((Integer) value) < 0)
            return "(" + value + ")";
        else
            return "" + val;
    } else if (value.getClass().isEnum() || value instanceof Enum) {
        // java.util.concurrent.TimeUnit is an example where the enum
        // elements are anonymous inner classes, and then isEnum does
        // not return true apparently? So we check using instanceof as well.

        Class<?> clazz = value.getClass();
        String className = clazz.getSimpleName();
        while (clazz.getEnclosingClass() != null) {
            String enclosingName = clazz.getEnclosingClass().getSimpleName();
            className = enclosingName + "." + className;
            clazz = clazz.getEnclosingClass();
        }

        // We have to do this here to avoid a double colon in the TimeUnit example
        if (!className.endsWith("."))
            className += ".";
        try {
            if (value.getClass().getField(value.toString()) != null)
                return className + value;
            else if (((Enum<?>) value).name() != null)
                return className + ((Enum<?>) value).name();
            else
                return "Enum.valueOf(" + className + "class, \"" + value + "\")";
        } catch (Exception e) {
            if (((Enum<?>) value).name() != null)
                return className + ((Enum<?>) value).name();
            else
                return "Enum.valueOf(" + className + "class /* " + e + " */, \"" + value + "\")";
            // return className + "valueOf(\"" + value + "\")";
        }
    } else if (value.getClass().equals(Boolean.class)) {
        return value.toString();
    } else {
        // This should not happen
        assert (false);
        return value.toString();
    }
}

---

From source file:org.exolab.castor.xml.parsing.primitive.objects.PrimitiveChar.java

@Override
public Object getObject(Class<?> type, String value) {
    if (StringUtils.isNotEmpty(value)) {
        return Character.valueOf(value.charAt(0));
    }//  w ww .j  av a 2s.c  o m

    return Character.valueOf('\0');
}

---

From source file:com.alibaba.doris.admin.service.impl.ValueParseUtil.java

/**
 * ?,?,//from w  w w .jav a2 s. c  om
 * 
 * @param clazz
 * @return
 */
@SuppressWarnings("unchecked")
private static <T> T getInternalDefaultValue(Class<T> clazz) {
    if (!clazz.isPrimitive()) {
        return null;
    }
    if (Short.TYPE.equals(clazz)) {
        return (T) Short.valueOf((short) 0);
    }
    if (Integer.TYPE.equals(clazz)) {
        return (T) Integer.valueOf(0);
    }
    if (Long.TYPE.equals(clazz)) {
        return (T) Long.valueOf(0);
    }
    if (Boolean.TYPE.equals(clazz)) {
        return (T) Boolean.valueOf(false);
    }
    if (Float.TYPE.equals(clazz)) {
        return (T) Float.valueOf(0);
    }
    if (Double.TYPE.equals(clazz)) {
        return (T) Double.valueOf(0);
    }
    if (Byte.TYPE.equals(clazz)) {
        return (T) Byte.valueOf((byte) 0);
    }
    if (Character.TYPE.equals(clazz)) {
        return (T) Character.valueOf('\0');
    }
    return null;
}

---

From source file:org.ext4spring.parameter.converter.simple.CharacterConverter.java

@Override
public <T> T toTypedValue(String stringValue, Class<T> type) {
    return (stringValue != null) ? type.cast(Character.valueOf(stringValue.charAt(0))) : null;
}

---

From source file:com.glaf.jbpm.util.CustomFieldInstantiator.java

public static Object getValue(Class<?> type, Element propertyElement) {
    Object value = null;//from   w w w.ja v a  2  s . c o m
    if (type == String.class) {
        value = propertyElement.getText();
    } else if ((type == Integer.class) || (type == int.class)) {
        value = Integer.parseInt(propertyElement.getTextTrim());
    } else if ((type == Long.class) || (type == long.class)) {
        value = Long.parseLong(propertyElement.getTextTrim());
    } else if ((type == Float.class) || (type == float.class)) {
        value = new Float(propertyElement.getTextTrim());
    } else if ((type == Double.class) || (type == double.class)) {
        value = Double.parseDouble(propertyElement.getTextTrim());
    } else if ((type == Boolean.class) || (type == boolean.class)) {
        value = Boolean.valueOf(propertyElement.getTextTrim());
    } else if ((type == Character.class) || (type == char.class)) {
        value = Character.valueOf(propertyElement.getTextTrim().charAt(0));
    } else if ((type == Short.class) || (type == short.class)) {
        value = Short.valueOf(propertyElement.getTextTrim());
    } else if ((type == Byte.class) || (type == byte.class)) {
        value = Byte.valueOf(propertyElement.getTextTrim());
    } else if (type.isAssignableFrom(java.util.Date.class)) {
        value = DateUtils.toDate(propertyElement.getTextTrim());
    } else if (type.isAssignableFrom(List.class)) {
        value = getCollectionValue(propertyElement, new java.util.ArrayList<Object>());
    } else if (type.isAssignableFrom(Set.class)) {
        value = getCollectionValue(propertyElement, new LinkedHashSet<Object>());
    } else if (type.isAssignableFrom(Collection.class)) {
        value = getCollectionValue(propertyElement, new java.util.ArrayList<Object>());
    } else if (type.isAssignableFrom(Map.class)) {
        value = getMapValue(propertyElement, new LinkedHashMap<Object, Object>());
    } else if (type == Element.class) {
        value = propertyElement;
    } else {
        try {
            Constructor<?> constructor = type.getConstructor(new Class[] { String.class });
            if ((propertyElement.isTextOnly()) && (constructor != null)) {
                value = constructor.newInstance(new Object[] { propertyElement.getTextTrim() });
            }
        } catch (Exception ex) {
            logger.error("couldn't parse the bean property value '" + propertyElement.asXML() + "' to a '"
                    + type.getName() + "'");
            throw new RuntimeException(ex);
        }
    }

    return value;
}

---

From source file:org.talend.components.processing.runtime.filterrow.TypeConverterUtils.java

public static Character parseToCharacter(Object value) {
    if (value == null) {
        return null;
    }//from  ww w.  ja  v  a  2  s  .  com
    if (value instanceof Character) {
        return (Character) value;
    } else {
        return Character.valueOf(value.toString().charAt(0));
    }
}

---

From source file:Main.java

/**
 * <p>Converts an array of primitive chars to objects.</p>
 *
 * <p>This method returns {@code null} for a {@code null} input array.</p>
 *
 * @param array a {@code char} array/*w ww.j a  v  a 2  s.  c  o  m*/
 * @return a {@code Character} array, {@code null} if null array input
 */
public static Character[] toObject(char[] array) {
    if (array == null) {
        return null;
    } else if (array.length == 0) {
        return EMPTY_CHARACTER_OBJECT_ARRAY;
    }
    final Character[] result = new Character[array.length];
    for (int i = 0; i < array.length; i++) {
        result[i] = Character.valueOf(array[i]);
    }
    return result;
}

---

From source file:Main.java

/**
 * <p>Converts an array of primitive chars to objects.</p>
 *
 * <p>This method returns {@code null} for a {@code null} input array.</p>
 *
 * @param array a {@code char} array/*from   w w  w .j a v  a 2  s .c o  m*/
 * @return a {@code Character} array, {@code null} if null array input
 */
public static Character[] toObject(final char[] array) {
    if (array == null) {
        return null;
    } else if (array.length == 0) {
        return EMPTY_CHARACTER_OBJECT_ARRAY;
    }
    final Character[] result = new Character[array.length];
    for (int i = 0; i < array.length; i++) {
        result[i] = Character.valueOf(array[i]);
    }
    return result;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• »