Example usage for java.lang Number floatValue

List of usage examples for java.lang Number floatValue

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Introduction

In this page you can find the example usage for java.lang Number floatValue.

Prototype

public abstract float floatValue();

Source Link

Document

Returns the value of the specified number as a float .

Usage

From source file:Main.java

static Object convert(Object[] objects, Object var) {
    Object newVar = getObject(objects);

    if (newVar instanceof Number) {
        Number newNum = (Number) var;

        if (newVar instanceof Integer) {
            return new Integer(newNum.intValue());
        } else if (newVar instanceof Long) {
            return new Long(newNum.longValue());
        } else if (newVar instanceof Float) {
            return new Float(newNum.floatValue());
        } else if (newVar instanceof Double) {
            return new Double(newNum.doubleValue());
        } else {//  w w  w .jav  a2  s .  com
            return null;
        }
    } else if (newVar instanceof String) {
        return new String((String) newVar);
    } else {
        //TODO: add other classes
        return null;
    }
}

From source file:com.fengduo.bee.commons.util.StringFormatter.java

public static String _formatFloat(Number denominator, Number molecule) {
    if (denominator == null || molecule == null) {
        return null;
    }//  w  w  w .ja  va 2 s  .  c  o m
    return _formatFloat(denominator.floatValue() / molecule.floatValue(), 2, null);
}

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

@SuppressWarnings("squid:S3776")
private static Object convertPrimitiveValue(String value, Class<?> type) throws ParseException {
    if (type.equals(Boolean.class) || type.equals(Boolean.TYPE)) {
        return value.toLowerCase().trim().equals("true");
    } else {/*from  ww  w .  j  av a 2 s  .c  om*/
        NumberFormat numberFormat = NumberFormat.getNumberInstance();
        Number num = numberFormat.parse(value);
        if (type.equals(Byte.class) || type.equals(Byte.TYPE)) {
            return num.byteValue();
        } else if (type.equals(Double.class) || type.equals(Double.TYPE)) {
            return num.doubleValue();
        } else if (type.equals(Float.class) || type.equals(Float.TYPE)) {
            return num.floatValue();
        } else if (type.equals(Integer.class) || type.equals(Integer.TYPE)) {
            return num.intValue();
        } else if (type.equals(Long.class) || type.equals(Long.TYPE)) {
            return num.longValue();
        } else if (type.equals(Short.class) || type.equals(Short.TYPE)) {
            return num.shortValue();
        } else {
            return null;
        }
    }
}

From source file:nz.co.senanque.validationengine.ConvertUtils.java

public static Comparable<?> convertTo(Class<?> clazz, Object obj) {
    if (obj == null) {
        return null;
    }/*from   w  w  w  .j a va  2  s.c  o m*/
    if (clazz.isAssignableFrom(obj.getClass())) {
        return (Comparable<?>) obj;
    }
    if (clazz.isPrimitive()) {
        if (clazz.equals(Long.TYPE)) {
            clazz = Long.class;
        } else if (clazz.equals(Integer.TYPE)) {
            clazz = Integer.class;
        } else if (clazz.equals(Float.TYPE)) {
            clazz = Float.class;
        } else if (clazz.equals(Double.TYPE)) {
            clazz = Double.class;
        } else if (clazz.equals(Boolean.TYPE)) {
            clazz = Boolean.class;
        }
    }
    if (Number.class.isAssignableFrom(clazz)) {
        if (obj.getClass().equals(String.class)) {
            obj = new Double((String) obj);
        }
        if (!Number.class.isAssignableFrom(obj.getClass())) {
            throw new RuntimeException(
                    "Cannot convert from " + obj.getClass().getName() + " to " + clazz.getName());
        }
        Number number = (Number) obj;
        if (clazz.equals(Long.class)) {
            return new Long(number.longValue());
        }
        if (clazz.equals(Integer.class)) {
            return new Integer(number.intValue());
        }
        if (clazz.equals(Float.class)) {
            return new Float(number.floatValue());
        }
        if (clazz.equals(Double.class)) {
            return new Double(number.doubleValue());
        }
        if (clazz.equals(BigDecimal.class)) {
            return new BigDecimal(number.doubleValue());
        }
    }
    final String oStr = String.valueOf(obj);
    if (clazz.equals(String.class)) {
        return oStr;
    }
    if (clazz.equals(java.util.Date.class)) {
        return java.sql.Date.valueOf(oStr);
    }
    if (clazz.equals(java.sql.Date.class)) {
        return java.sql.Date.valueOf(oStr);
    }
    if (clazz.equals(Boolean.class)) {
        return new Boolean(oStr);
    }
    throw new RuntimeException("Cannot convert from " + obj.getClass().getName() + " to " + clazz.getName());
}

From source file:net.sf.jasperreports.functions.standard.MathFunctions.java

private static Number fixNumberReturnType(Number returnValue, Number... numbers) {
    if (haveSameType(Integer.class, numbers))
        return returnValue.intValue();
    if (haveSameType(Long.class, numbers))
        return returnValue.longValue();
    if (haveSameType(Float.class, numbers))
        return returnValue.floatValue();
    return returnValue.doubleValue();
}

From source file:eu.geopaparazzi.library.util.Utilities.java

/**
 * Tries to adapt a value to the supplied type.
 *
 * @param value   the value to adapt./*from w ww.  j a v  a  2s  .  c om*/
 * @param adaptee the class to adapt to.
 * @return the adapted object or <code>null</code>, if it fails.
 */
public static <T> T adapt(Object value, Class<T> adaptee) {
    if (value instanceof Number) {
        Number num = (Number) value;
        if (adaptee.isAssignableFrom(Double.class)) {
            return adaptee.cast(num.doubleValue());
        } else if (adaptee.isAssignableFrom(Float.class)) {
            return adaptee.cast(num.floatValue());
        } else if (adaptee.isAssignableFrom(Integer.class)) {
            return adaptee.cast(num.intValue());
        } else if (adaptee.isAssignableFrom(Long.class)) {
            return adaptee.cast(num.longValue());
        } else if (adaptee.isAssignableFrom(String.class)) {
            return adaptee.cast(num.toString());
        } else {
            throw new IllegalArgumentException();
        }
    } else if (value instanceof String) {
        if (adaptee.isAssignableFrom(Double.class)) {
            try {
                Double parsed = Double.parseDouble((String) value);
                return adaptee.cast(parsed);
            } catch (Exception e) {
                return null;
            }
        } else if (adaptee.isAssignableFrom(Float.class)) {
            try {
                Float parsed = Float.parseFloat((String) value);
                return adaptee.cast(parsed);
            } catch (Exception e) {
                return null;
            }
        } else if (adaptee.isAssignableFrom(Integer.class)) {
            try {
                Integer parsed = Integer.parseInt((String) value);
                return adaptee.cast(parsed);
            } catch (Exception e) {
                return null;
            }
        } else if (adaptee.isAssignableFrom(String.class)) {
            return adaptee.cast(value);
        } else {
            throw new IllegalArgumentException();
        }
    } else {
        throw new IllegalArgumentException(
                "Can't adapt attribute of type: " + value.getClass().getCanonicalName()); //$NON-NLS-1$
    }
}

From source file:org.saiku.reporting.core.builder.ReportBuilderUtil.java

private static void setupDefaultPadding(final Band band, final Element detailElement) {
    final Object maybePaddingTop = band.getAttribute(AttributeNames.Wizard.NAMESPACE,
            AttributeNames.Wizard.PADDING_TOP);
    final Object maybePaddingLeft = band.getAttribute(AttributeNames.Wizard.NAMESPACE,
            AttributeNames.Wizard.PADDING_LEFT);
    final Object maybePaddingBottom = band.getAttribute(AttributeNames.Wizard.NAMESPACE,
            AttributeNames.Wizard.PADDING_BOTTOM);
    final Object maybePaddingRight = band.getAttribute(AttributeNames.Wizard.NAMESPACE,
            AttributeNames.Wizard.PADDING_RIGHT);

    if (!(maybePaddingTop instanceof Number && maybePaddingLeft instanceof Number
            && maybePaddingBottom instanceof Number && maybePaddingRight instanceof Number)) {
        return;/*w  ww .  jav a2s. c o  m*/
    }

    final Number paddingTop = (Number) maybePaddingTop;
    final Number paddingLeft = (Number) maybePaddingLeft;
    final Number paddingBottom = (Number) maybePaddingBottom;
    final Number paddingRight = (Number) maybePaddingRight;

    final ElementStyleSheet styleSheet = detailElement.getStyle();
    styleSheet.setStyleProperty(ElementStyleKeys.PADDING_TOP, new Float(paddingTop.floatValue()));
    styleSheet.setStyleProperty(ElementStyleKeys.PADDING_LEFT, new Float(paddingLeft.floatValue()));
    styleSheet.setStyleProperty(ElementStyleKeys.PADDING_BOTTOM, new Float(paddingBottom.floatValue()));
    styleSheet.setStyleProperty(ElementStyleKeys.PADDING_RIGHT, new Float(paddingRight.floatValue()));
}

From source file:com.vk.sdk.api.model.ParseUtils.java

/**
* Parses object with follow rules:/*from w  w  w  .  ja v a 2s  . c  om*/
*
* 1. All fields should had a public access.
* 2. The name of the filed should be fully equal to name of JSONObject key.
* 3. Supports parse of all Java primitives, all {@link String},
* arrays of primitive types, {@link String}s and {@link com.vk.sdk.api.model.VKApiModel}s,
* list implementation line {@link com.vk.sdk.api.model.VKList}, {@link com.vk.sdk.api.model.VKAttachments.VKAttachment} or {@link com.vk.sdk.api.model.VKPhotoSizes},
* {@link com.vk.sdk.api.model.VKApiModel}s.
*
* 4. Boolean fields defines by vk_int == 1 expression.
* @param object object to initialize
* @param source data to read values
* @return initialized according with given data object
* @throws JSONException if source object structure is invalid
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static <T> T parseViaReflection(T object, JSONObject source) throws JSONException {
    if (source.has("response")) {
        source = source.optJSONObject("response");
    }
    if (source == null) {
        return object;
    }
    for (Field field : object.getClass().getFields()) {
        field.setAccessible(true);
        String fieldName = field.getName();
        Class<?> fieldType = field.getType();

        Object value = source.opt(fieldName);
        if (value == null) {
            continue;
        }
        try {
            if (fieldType.isPrimitive() && value instanceof Number) {
                Number number = (Number) value;
                if (fieldType.equals(int.class)) {
                    field.setInt(object, number.intValue());
                } else if (fieldType.equals(long.class)) {
                    field.setLong(object, number.longValue());
                } else if (fieldType.equals(float.class)) {
                    field.setFloat(object, number.floatValue());
                } else if (fieldType.equals(double.class)) {
                    field.setDouble(object, number.doubleValue());
                } else if (fieldType.equals(boolean.class)) {
                    field.setBoolean(object, number.intValue() == 1);
                } else if (fieldType.equals(short.class)) {
                    field.setShort(object, number.shortValue());
                } else if (fieldType.equals(byte.class)) {
                    field.setByte(object, number.byteValue());
                }
            } else {
                Object result = field.get(object);
                if (value.getClass().equals(fieldType)) {
                    result = value;
                } else if (fieldType.isArray() && value instanceof JSONArray) {
                    result = parseArrayViaReflection((JSONArray) value, fieldType);
                } else if (VKPhotoSizes.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKAttachments.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKList.class.equals(fieldType)) {
                    ParameterizedType genericTypes = (ParameterizedType) field.getGenericType();
                    Class<?> genericType = (Class<?>) genericTypes.getActualTypeArguments()[0];
                    if (VKApiModel.class.isAssignableFrom(genericType)
                            && Parcelable.class.isAssignableFrom(genericType)
                            && Identifiable.class.isAssignableFrom(genericType)) {
                        if (value instanceof JSONArray) {
                            result = new VKList((JSONArray) value, genericType);
                        } else if (value instanceof JSONObject) {
                            result = new VKList((JSONObject) value, genericType);
                        }
                    }
                } else if (VKApiModel.class.isAssignableFrom(fieldType) && value instanceof JSONObject) {
                    result = ((VKApiModel) fieldType.newInstance()).parse((JSONObject) value);
                }
                field.set(object, result);
            }
        } catch (InstantiationException e) {
            throw new JSONException(e.getMessage());
        } catch (IllegalAccessException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodException e) {
            throw new JSONException(e.getMessage());
        } catch (InvocationTargetException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodError e) {
            // ?????????? ???????:
            // ?? ?? ????????, ?? ? ????????? ???????? getFields() ???????? ??? ???.
            // ?????? ? ??????? ???????????, ????????? ?? ? ????????, ?????? Android ? ???????? ????????? ??????????.
            throw new JSONException(e.getMessage());
        }
    }
    return object;
}

From source file:org.flycraft.vkontakteapi.model.ParseUtils.java

/**
 * Parses object with follow rules:/*from  www  .  j  a va2 s  . co m*/
 * <p/>
 * 1. All fields should had a public access.
 * 2. The name of the filed should be fully equal to name of JSONObject key.
 * 3. Supports parse of all Java primitives, all {@link java.lang.String},
 * arrays of primitive types, {@link java.lang.String}s and {@link org.flycraft.vkontakteapi.model.VKApiModel}s,
 * list implementation line {@link org.flycraft.vkontakteapi.model.VKList}, {@link org.flycraft.vkontakteapi.model.VKAttachments.VKApiAttachment} or {@link org.flycraft.vkontakteapi.model.VKPhotoSizes},
 * {@link org.flycraft.vkontakteapi.model.VKApiModel}s.
 * <p/>
 * 4. Boolean fields defines by vk_int == 1 expression.
 *
 * @param object object to initialize
 * @param source data to read values
 * @param <T>    type of result
 * @return initialized according with given data object
 * @throws JSONException if source object structure is invalid
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static <T> T parseViaReflection(T object, JSONObject source) throws JSONException {
    if (source.has("response")) {
        source = source.optJSONObject("response");
    }
    if (source == null) {
        return object;
    }
    for (Field field : object.getClass().getFields()) {
        field.setAccessible(true);
        String fieldName = field.getName();
        Class<?> fieldType = field.getType();

        Object value = source.opt(fieldName);
        if (value == null) {
            continue;
        }
        try {
            if (fieldType.isPrimitive() && value instanceof Number) {
                Number number = (Number) value;
                if (fieldType.equals(int.class)) {
                    field.setInt(object, number.intValue());
                } else if (fieldType.equals(long.class)) {
                    field.setLong(object, number.longValue());
                } else if (fieldType.equals(float.class)) {
                    field.setFloat(object, number.floatValue());
                } else if (fieldType.equals(double.class)) {
                    field.setDouble(object, number.doubleValue());
                } else if (fieldType.equals(boolean.class)) {
                    field.setBoolean(object, number.intValue() == 1);
                } else if (fieldType.equals(short.class)) {
                    field.setShort(object, number.shortValue());
                } else if (fieldType.equals(byte.class)) {
                    field.setByte(object, number.byteValue());
                }
            } else {
                Object result = field.get(object);
                if (value.getClass().equals(fieldType)) {
                    result = value;
                } else if (fieldType.isArray() && value instanceof JSONArray) {
                    result = parseArrayViaReflection((JSONArray) value, fieldType);
                } else if (VKPhotoSizes.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKAttachments.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKList.class.equals(fieldType)) {
                    ParameterizedType genericTypes = (ParameterizedType) field.getGenericType();
                    Class<?> genericType = (Class<?>) genericTypes.getActualTypeArguments()[0];
                    if (VKApiModel.class.isAssignableFrom(genericType)
                            && Identifiable.class.isAssignableFrom(genericType)) {
                        if (value instanceof JSONArray) {
                            result = new VKList((JSONArray) value, genericType);
                        } else if (value instanceof JSONObject) {
                            result = new VKList((JSONObject) value, genericType);
                        }
                    }
                } else if (VKApiModel.class.isAssignableFrom(fieldType) && value instanceof JSONObject) {
                    result = ((VKApiModel) fieldType.newInstance()).parse((JSONObject) value);
                }
                field.set(object, result);
            }
        } catch (InstantiationException e) {
            throw new JSONException(e.getMessage());
        } catch (IllegalAccessException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodException e) {
            throw new JSONException(e.getMessage());
        } catch (InvocationTargetException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodError e) {
            //  ?:
            //   ,     getFields()   .
            //  ? ? ?,   ? ?,  Android  ?  .
            throw new JSONException(e.getMessage());
        }
    }
    return object;
}

From source file:com.vk.sdkweb.api.model.ParseUtils.java

/**
 * Parses object with follow rules:// w ww .ja  va2 s .  c om
 *
 * 1. All fields should had a public access.
 * 2. The name of the filed should be fully equal to name of JSONObject key.
 * 3. Supports parse of all Java primitives, all {@link java.lang.String},
 *  arrays of primitive types, {@link java.lang.String}s and {@link com.vk.sdkweb.api.model.VKApiModel}s,
 *  list implementation line {@link com.vk.sdkweb.api.model.VKList}, {@link com.vk.sdkweb.api.model.VKAttachments.VKAttachment} or {@link com.vk.sdkweb.api.model.VKPhotoSizes},
 *  {@link com.vk.sdkweb.api.model.VKApiModel}s.
 *
 * 4. Boolean fields defines by vk_int == 1 expression.
 *
 * @param object object to initialize
 * @param source data to read values
 * @param <T> type of result
 * @return initialized according with given data object
 * @throws JSONException if source object structure is invalid
 */
@SuppressWarnings("rawtypes")
public static <T> T parseViaReflection(T object, JSONObject source) throws JSONException {
    if (source.has("response")) {
        source = source.optJSONObject("response");
    }
    if (source == null) {
        return object;
    }
    for (Field field : object.getClass().getFields()) {
        field.setAccessible(true);
        String fieldName = field.getName();
        Class<?> fieldType = field.getType();

        Object value = source.opt(fieldName);
        if (value == null) {
            continue;
        }
        try {
            if (fieldType.isPrimitive() && value instanceof Number) {
                Number number = (Number) value;
                if (fieldType.equals(int.class)) {
                    field.setInt(object, number.intValue());
                } else if (fieldType.equals(long.class)) {
                    field.setLong(object, number.longValue());
                } else if (fieldType.equals(float.class)) {
                    field.setFloat(object, number.floatValue());
                } else if (fieldType.equals(double.class)) {
                    field.setDouble(object, number.doubleValue());
                } else if (fieldType.equals(boolean.class)) {
                    field.setBoolean(object, number.intValue() == 1);
                } else if (fieldType.equals(short.class)) {
                    field.setShort(object, number.shortValue());
                } else if (fieldType.equals(byte.class)) {
                    field.setByte(object, number.byteValue());
                }
            } else {
                Object result = field.get(object);
                if (value.getClass().equals(fieldType)) {
                    result = value;
                } else if (fieldType.isArray() && value instanceof JSONArray) {
                    result = parseArrayViaReflection((JSONArray) value, fieldType);
                } else if (VKPhotoSizes.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKAttachments.class.isAssignableFrom(fieldType) && value instanceof JSONArray) {
                    Constructor<?> constructor = fieldType.getConstructor(JSONArray.class);
                    result = constructor.newInstance((JSONArray) value);
                } else if (VKList.class.equals(fieldType)) {
                    ParameterizedType genericTypes = (ParameterizedType) field.getGenericType();
                    Class<?> genericType = (Class<?>) genericTypes.getActualTypeArguments()[0];
                    if (VKApiModel.class.isAssignableFrom(genericType)
                            && Parcelable.class.isAssignableFrom(genericType)
                            && Identifiable.class.isAssignableFrom(genericType)) {
                        if (value instanceof JSONArray) {
                            result = new VKList((JSONArray) value, genericType);
                        } else if (value instanceof JSONObject) {
                            result = new VKList((JSONObject) value, genericType);
                        }
                    }
                } else if (VKApiModel.class.isAssignableFrom(fieldType) && value instanceof JSONObject) {
                    result = ((VKApiModel) fieldType.newInstance()).parse((JSONObject) value);
                }
                field.set(object, result);
            }
        } catch (InstantiationException e) {
            throw new JSONException(e.getMessage());
        } catch (IllegalAccessException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodException e) {
            throw new JSONException(e.getMessage());
        } catch (InvocationTargetException e) {
            throw new JSONException(e.getMessage());
        } catch (NoSuchMethodError e) {
            //  ?:
            //   ,     getFields()   .
            //  ? ? ?,   ? ?,  Android  ?  .
            throw new JSONException(e.getMessage());
        }
    }
    return object;
}