Example usage for java.lang Integer decode

Introduction

In this page you can find the example usage for java.lang Integer decode.

Prototype

public static Integer decode(String nm) throws NumberFormatException 

Source Link

Document

Decodes a String into an Integer .

Usage

From source file:Util.java

/**
* Return a <code>Color</code> object given a string representation of it
*
* @param color// w  w  w  . ja v a  2 s.  com
* @return string representation
* @throws IllegalArgumentException if string in bad format
*/
public static Color stringToColor(String s) {
    try {
        return new Color(Integer.decode("0x" + s.substring(1, 3)).intValue(),
                Integer.decode("0x" + s.substring(3, 5)).intValue(),
                Integer.decode("0x" + s.substring(5, 7)).intValue());
    } catch (Exception e) {
        return null;
    }
}

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From source file:edu.cornell.mannlib.vedit.util.OperationUtils.java

public static void beanSetAndValidate(Object newObj, String field, String value, EditProcessObject epo) {
    Class<?> cls = (epo.getBeanClass() != null) ? epo.getBeanClass() : newObj.getClass();
    Class<?>[] paramList = new Class[1];
    paramList[0] = String.class;
    boolean isInt = false;
    boolean isBoolean = false;
    Method setterMethod = null;// w  ww . ja  v a2 s.  co m
    try {
        setterMethod = cls.getMethod("set" + field, paramList);
    } catch (NoSuchMethodException e) {
        // let's try int
        paramList[0] = int.class;
        try {
            setterMethod = cls.getMethod("set" + field, paramList);
            isInt = true;
        } catch (NoSuchMethodException f) {
            // let's try boolean
            paramList[0] = boolean.class;
            try {
                setterMethod = cls.getMethod("set" + field, paramList);
                isBoolean = true;
                log.debug("found boolean field " + field);
            } catch (NoSuchMethodException g) {
                log.error("beanSet could not find an appropriate String, int, or boolean setter method for "
                        + field);
            }

        }
    }
    Object[] arglist = new Object[1];
    if (isInt)
        arglist[0] = Integer.decode(value);
    else if (isBoolean)
        arglist[0] = (value.equalsIgnoreCase("TRUE"));
    else
        arglist[0] = value;
    try {
        setterMethod.invoke(newObj, arglist);
    } catch (Exception e) {
        log.error("Couldn't invoke method");
        log.error(e.getMessage());
        log.error(field + " " + arglist[0]);
    }
}

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From source file:org.patientview.patientview.patiententry.SysGreaterThanDiaValidator.java

public static boolean sysGreaterThanDia(Object bean, ValidatorAction va, Field field, ActionMessages errors,
        HttpServletRequest request) {//ww w.ja  v  a  2s  .co m

    String value = ValidatorUtils.getValueAsString(bean, field.getProperty());
    String sProperty2 = field.getVarValue("secondProperty");
    String value2 = ValidatorUtils.getValueAsString(bean, sProperty2);
    if (!GenericValidator.isBlankOrNull(value)) {
        try {
            int intValue = Integer.decode(value);
            int intValue2 = Integer.decode(value2);
            if (intValue2 <= intValue) {
                errors.add(field.getKey(), Resources.getActionMessage(request, va, field));
                return false;
            }
        } catch (Exception e) {
            errors.add(field.getKey(), Resources.getActionMessage(request, va, field));
            return false;
        }
    }

    return true;
}

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From source file:com.github.fritaly.graphml4j.Utils.java

/**
 * Decodes the given hexadecimal string (like "#RRGGBBAA" or "#RRGGBB"
 * (whether the transparency is set to 0)) into an instance of {@link Color}
 * ./*from w ww .ja va 2 s. c  om*/
 *
 * @param value
 *            a string representing the encoded color.Can't be null.
 * @return a {@link Color}.
 */
static Color decode(String value) {
    Validate.notNull(value, "The given encoded value is null");

    if (value.length() == 9) {
        final int i = Integer.decode(value).intValue();

        return new Color((i >> 24) & 0xFF, (i >> 16) & 0xFF, (i >> 8) & 0xFF, i & 0xFF);
    }

    return Color.decode(value);
}

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From source file:org.rti.zcore.dar.transfer.access.IntegerConverter.java

@Override
public Object fromString(String str) {
    /* If empty tag. */

    if (str.compareTo("") == 0) {

        /* Default to zero. */

        str = "0";

    }/* w w  w .j ava2  s .c  om*/

    Integer value = null;
    try {
        value = Integer.decode(str);
    } catch (NumberFormatException e) {
        try {
            Float floatValue = Float.valueOf(str);
            value = floatValue.intValue();
        } catch (NumberFormatException e1) {
            log.debug(e);
        }
    }
    return value;
}

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From source file:SystemProperty.java

/**
 * Returns the value of a system property as an integer.
 * If such a system property exists it is converted to an integer with
 * <tt>Integer.decode(String)</tt>.
 * Returns the specified default value if no such system property exists or
 * the property value is invalid./*w  ww.  j  a v a2s  . c o  m*/
 *
 * @return
 *      the integer value of the specified property
 */
public static int intValue(String propName, int defaultValue) {
    String prop = System.getProperty(propName);
    int val;

    if (prop == null)
        val = defaultValue;
    else {
        try {
            val = Integer.decode(prop.trim()).intValue();
        } catch (NumberFormatException e) {

            val = defaultValue;
        }
    }

    return val;
}

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From source file:org.kie.workbench.common.forms.migration.tool.pipelines.basic.impl.adapters.fields.TextAreaFieldAdapter.java

@Override
protected FieldDefinition getFieldDefinition(Field originalField) {
    TextAreaFieldDefinition fieldDefinition = new TextAreaFieldDefinition();
    if (!StringUtils.isEmpty(originalField.getHeight()) && StringUtils.isNumeric(originalField.getHeight())) {
        fieldDefinition.setRows(Integer.decode(originalField.getHeight()));
    }//  w  ww  .ja  v a 2 s. c  o m
    return fieldDefinition;
}

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From source file:NumberUtils.java

/**
 * Parse the given text into a number instance of the given target class,
 * using the corresponding default <code>decode</code> methods. Trims the
 * input <code>String</code> before attempting to parse the number. Supports
 * numbers in hex format (with leading 0x) and in octal format (with leading 0).
 * @param text the text to convert//from  ww  w  . j ava 2s. c o m
 * @param targetClass the target class to parse into
 * @return the parsed number
 * @throws IllegalArgumentException if the target class is not supported
 * (i.e. not a standard Number subclass as included in the JDK)
 * @see java.lang.Byte#decode
 * @see java.lang.Short#decode
 * @see java.lang.Integer#decode
 * @see java.lang.Long#decode
 * @see #decodeBigInteger(String)
 * @see java.lang.Float#valueOf
 * @see java.lang.Double#valueOf
 * @see java.math.BigDecimal#BigDecimal(String)
 */
public static Number parseNumber(String text, Class<?> targetClass) {
    //   Assert.notNull(text, "Text must not be null");
    //Assert.notNull(targetClass, "Target class must not be null");

    String trimmed = text.trim();

    if (targetClass.equals(Byte.class)) {
        return Byte.decode(trimmed);
    } else if (targetClass.equals(Short.class)) {
        return Short.decode(trimmed);
    } else if (targetClass.equals(Integer.class)) {
        return Integer.decode(trimmed);
    } else if (targetClass.equals(Long.class)) {
        return Long.decode(trimmed);
    } else if (targetClass.equals(BigInteger.class)) {
        return decodeBigInteger(trimmed);
    } else if (targetClass.equals(Float.class)) {
        return Float.valueOf(trimmed);
    } else if (targetClass.equals(Double.class)) {
        return Double.valueOf(trimmed);
    } else if (targetClass.equals(BigDecimal.class) || targetClass.equals(Number.class)) {
        return new BigDecimal(trimmed);
    } else {
        throw new IllegalArgumentException(
                "Cannot convert String [" + text + "] to target class [" + targetClass.getName() + "]");
    }
}

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From source file:se.trixon.almond.GraphicsHelper.java

public static int colorToHexInt(Color color) {
    return Integer.decode("0x" + colorToHex(color));
}

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From source file:org.apache.tajo.validation.MaxValidator.java

@Override
protected <T> boolean validateInternal(T object) {
    boolean result = false;

    if (object != null) {
        if ((object instanceof Byte) || (object instanceof Short) || (object instanceof Integer)) {
            Integer objInteger = Integer.decode(object.toString());
            Integer maxInteger = Integer.decode(maxValue);
            result = objInteger.compareTo(maxInteger) <= 0;
        } else if (object instanceof Long) {
            Long objLong = Long.decode(object.toString());
            Long maxLong = Long.decode(maxValue);
            result = objLong.compareTo(maxLong) <= 0;
        } else if ((object instanceof Float) || (object instanceof Double)) {
            Double objDouble = Double.valueOf(object.toString());
            Double maxDouble = Double.valueOf(maxValue);
            result = objDouble.compareTo(maxDouble) <= 0;
        } else if (object instanceof BigInteger) {
            BigInteger objInteger = (BigInteger) object;
            BigInteger maxInteger = new BigInteger(maxValue);
            result = objInteger.compareTo(maxInteger) <= 0;
        } else if (object instanceof BigDecimal) {
            BigDecimal objDecimal = (BigDecimal) object;
            BigDecimal maxDecimal = new BigDecimal(maxValue);
            result = objDecimal.compareTo(maxDecimal) <= 0;
        }/*from w  w  w .j  av a2s.c o m*/
    } else {
        result = true;
    }

    return result;
}

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