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

/**
 * parse value to float// w  ww.  ja  v  a  2s  .  c o  m
 */
public static float toFloat(String value) {
    return TextUtils.isEmpty(value) ? 0 : Float.parseFloat(value);
}

From source file:Main.java

private static Object convertValType(Object value, Class<?> fieldTypeClass) {
    Object retVal;//from   w ww.  j av  a2s .  co  m
    if (Long.class == fieldTypeClass || long.class == fieldTypeClass) {
        retVal = Long.parseLong(value.toString());
    } else if (Integer.class == fieldTypeClass || int.class == fieldTypeClass) {
        retVal = Integer.parseInt(value.toString());
    } else if (Float.class == fieldTypeClass || float.class == fieldTypeClass) {
        retVal = Float.parseFloat(value.toString());
    } else if (Double.class == fieldTypeClass || double.class == fieldTypeClass) {
        retVal = Double.parseDouble(value.toString());
    } else {
        retVal = value;
    }
    return retVal;
}

From source file:Main.java

/**
 * Parses the value of the given attribute as a float.
 * @param attributeName the name of the attribute.
 * @param map the map that contains all the attributes.
 * @return the float value.// w w w  . j ava2 s. c  o  m
 */
public static float parseFloat(String attributeName, NamedNodeMap map) {
    org.w3c.dom.Node attr = map.getNamedItem(attributeName);
    try {
        return attr != null ? Float.parseFloat(attr.getTextContent()) : 0f;
    } catch (NumberFormatException ex) {
        return 0.0f;
    }
}

From source file:Main.java

public static float parseFloat(String f) {
    if (f == null) {
        return 0;
    } else {//from ww w. j ava 2 s . c o m
        try {
            return Float.parseFloat(f);
        } catch (NumberFormatException ex) {
            return 0;
        }
    }
}

From source file:Main.java

/**
 * Turns a string into a float array./*from www  . ja v a  2s  .  c o  m*/
 * 'spaces' must only contain string equivalent of valid floats separated with commas
 * with no spaces.
 * @param string
 * @return a float array
 */
public static float[] stringToFloatArray(String string) {
    String strArray[] = string.split(",");
    int length = strArray.length;
    float floatArray[] = new float[length];
    int i = 0;
    for (String str : strArray) {
        floatArray[i] = Float.parseFloat(str);
        i++;
    }
    return floatArray;
}

From source file:Main.java

/**
 * Parses the given attribute of this tag and returns it as a float
 *//* ww  w  .ja  v  a  2s.c o  m*/
public static float getAttribFloat(Element ele, String name) {
    String sval = ele.getAttribute(name);
    float val = 0.0f;
    try {
        val = Float.parseFloat(sval);
    } catch (Exception e) {
    }

    return val;
}

From source file:Main.java

/**
 * Convert a string format float value to Float.
 * //from   ww  w  .  jav  a2s . c  o m
 * @param context
 * @param resID
 * @param defValue
 * @return
 */
public final static float getFloatSafely(Context context, int resID, float defValue) {
    try {
        String strValue = context.getResources().getString(resID);
        if (null == strValue) {
            return defValue;
        }

        return Float.parseFloat(strValue);

    } catch (Exception e) {
        e.printStackTrace();
        return defValue;
    }
}

From source file:Main.java

public static void startScaleAnime(final View view, float newScale, Animator.AnimatorListener listener) {
    ValueAnimator anime = ValueAnimator.ofFloat(view.getScaleX(), newScale);
    anime.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
        @Override//from w  w w  . j  a v  a 2s  .c  o  m
        public void onAnimationUpdate(ValueAnimator animation) {
            float s = Float.parseFloat(animation.getAnimatedValue().toString());
            view.setScaleX(s);
            view.setScaleY(s);
        }
    });
    if (listener != null) {
        anime.addListener(listener);
    }
    anime.setDuration(mAnimeDuration);
    anime.start();
}

From source file:Main.java

/**
 * Parses the supplied xsd:float string and returns its value.
 * /*from w w w. j a va2s.  co m*/
 * @param s
 *            A string representation of an xsd:float value.
 * @return The <tt>float</tt> value represented by the supplied string
 *         argument.
 * @throws NumberFormatException
 *             If the supplied string is not a valid xsd:float value.
 */
public static float parseFloat(String s) {
    s = trimPlusSign(s);
    return Float.parseFloat(s);
}

From source file:Main.java

public static float getSize(String size) {
    float value = 15.0f;
    if (size != null) {
        Matcher m = SIZED_VALUE.matcher(size.trim());
        if (m.matches()) {
            value = Float.parseFloat(m.group(1));
        }/*w  w w .  j  a v  a 2 s  .c  o m*/
    }

    return value;
}