Example usage for java.lang Float parseFloat

Introduction

In this page you can find the example usage for java.lang Float parseFloat.

Prototype

public static float parseFloat(String s) throws NumberFormatException

Source Link

Document

Returns a new float initialized to the value represented by the specified String , as performed by the valueOf method of class Float .

Usage

From source file:Main.java

private static Object convertValType(Object value, Class fieldTypeClass) {
    Object retVal = null;/*from ww w .j a va2 s.co  m*/
    if (Long.class.getName().equals(fieldTypeClass.getName())
            || long.class.getName().equals(fieldTypeClass.getName())) {
        retVal = Long.parseLong(value.toString());
    } else if (Integer.class.getName().equals(fieldTypeClass.getName())
            || int.class.getName().equals(fieldTypeClass.getName())) {
        retVal = Integer.parseInt(value.toString());
    } else if (Float.class.getName().equals(fieldTypeClass.getName())
            || float.class.getName().equals(fieldTypeClass.getName())) {
        retVal = Float.parseFloat(value.toString());
    } else if (Double.class.getName().equals(fieldTypeClass.getName())
            || double.class.getName().equals(fieldTypeClass.getName())) {
        retVal = Double.parseDouble(value.toString());
    } else {
        retVal = value;
    }
    return retVal;
}

From source file:Main.java

/**
 *  Gets the node value as float.//from w  ww .ja v a  2 s .c  om
 *
 *@param  node              Description of the Parameter
 *@return                   The nodeValueAsFloat value
 *@exception  DOMException  Description of the Exception
 */
public final static float getNodeValueAsFloat(Node node) throws DOMException {
    if (node != null) {
        node = node.getFirstChild();
        if (node != null)
            return Float.parseFloat(node.getNodeValue());
    }
    return -1;
}

From source file:Main.java

static public float getFloatTextContent(Element element) {
    String s = getTrimmedTextContent(element);
    return s == null || s.isEmpty() ? 0 : Float.parseFloat(s);
}

From source file:Main.java

static public float getFloatAttribute(Element element, String name) {
    String s = getTrimmedAttribute(element, name);
    return s.isEmpty() ? 0f : Float.parseFloat(s);
}

From source file:Main.java

public static float parseFloatSafely(String content, float defaultValue) {
    if (content == null)
        return defaultValue;
    try {/* w  w w.j a  v a 2  s .co m*/
        return Float.parseFloat(content);
    } catch (NumberFormatException e) {
        return defaultValue;
    }
}

From source file:Main.java

public static float getFloatNodeValue(Node node, String nodeName) {
    return Float.parseFloat(getStringNodeValue(node, nodeName));
}

From source file:Main.java

/**
 * /*from   w w  w .j a va 2 s.co m*/
 * @Title: convertValType
 * @Description: TODO
 * @param value
 * @param fieldTypeClass
 * @return
 * @return: Object
 */
public static Object convertValType(Object value, Class<?> fieldTypeClass) {
    Object retVal = null;
    if (Long.class.getName().equals(fieldTypeClass.getName())
            || long.class.getName().equals(fieldTypeClass.getName())) {
        retVal = Long.parseLong(value.toString());
    } else if (Integer.class.getName().equals(fieldTypeClass.getName())
            || int.class.getName().equals(fieldTypeClass.getName())) {
        retVal = Integer.parseInt(value.toString());
    } else if (Float.class.getName().equals(fieldTypeClass.getName())
            || float.class.getName().equals(fieldTypeClass.getName())) {
        retVal = Float.parseFloat(value.toString());
    } else if (Double.class.getName().equals(fieldTypeClass.getName())
            || double.class.getName().equals(fieldTypeClass.getName())) {
        retVal = Double.parseDouble(value.toString());
    } else {
        retVal = value;
    }
    return retVal;
}

From source file:Main.java

@Nullable
public static Object valueFromString(String newValue, Object existingValue) throws IllegalArgumentException {
    if (existingValue instanceof Integer) {
        return Integer.parseInt(newValue);
    } else if (existingValue instanceof Long) {
        return Long.parseLong(newValue);
    } else if (existingValue instanceof Float) {
        return Float.parseFloat(newValue);
    } else if (existingValue instanceof Boolean) {
        return parseBoolean(newValue);
    } else if (existingValue instanceof String) {
        return newValue;
    } else if (existingValue instanceof Set) {
        try {/*from  w  w  w  . j  av a 2  s  . co  m*/
            JSONArray obj = new JSONArray(newValue);
            int objN = obj.length();
            HashSet<String> set = new HashSet<String>(objN);
            for (int i = 0; i < objN; i++) {
                set.add(obj.getString(i));
            }
            return set;
        } catch (JSONException e) {
            throw new IllegalArgumentException(e);
        }
    } else {
        throw new IllegalArgumentException("Unsupported type: " + existingValue.getClass().getName());
    }
}

From source file:Main.java

/**
 * This method parses the given value into the specified primitive or wrapper class.
 * @param clazz - primitive or wrapper class used to parse
 * @param value - string to be parsed//  w  w w .ja  v  a2 s. co  m
 * @return object of type clazz parsed from the string
 * @author Trisan Bepler
 */
public static Object toObject(Class<?> clazz, String value) {
    if (Boolean.TYPE == clazz)
        return Boolean.parseBoolean(value);
    if (Byte.TYPE == clazz)
        return Byte.parseByte(value);
    if (Short.TYPE == clazz)
        return Short.parseShort(value);
    if (Integer.TYPE == clazz)
        return Integer.parseInt(value);
    if (Long.TYPE == clazz)
        return Long.parseLong(value);
    if (Float.TYPE == clazz)
        return Float.parseFloat(value);
    if (Double.TYPE == clazz)
        return Double.parseDouble(value);
    if (Boolean.class == clazz)
        return Boolean.parseBoolean(value);
    if (Byte.class == clazz)
        return Byte.parseByte(value);
    if (Short.class == clazz)
        return Short.parseShort(value);
    if (Integer.class == clazz)
        return Integer.parseInt(value);
    if (Long.class == clazz)
        return Long.parseLong(value);
    if (Float.class == clazz)
        return Float.parseFloat(value);
    if (Double.class == clazz)
        return Double.parseDouble(value);
    if (Character.class == clazz)
        return value.charAt(0);
    if (Character.TYPE == clazz)
        return value.charAt(0);
    return value;
}

From source file:Main.java

public static boolean containsFloatArray(final Object src, final Object tgt, final Class<?> type)
        throws Exception {
    float value = Float.parseFloat((String) tgt);
    if (type.isPrimitive()) {
        float[] array = (float[]) src;
        for (float val : array) {
            if (val == value)
                return true;
        }/*w  w  w  .  j a v a2  s .c o  m*/
    } else {
        Float[] array = (Float[]) src;
        for (float val : array) {
            if (val == value)
                return true;
        }
    }
    return false;
}