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java转换类型工具类TypeCastHelper
public class TypeCastHelper { private static final St...
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26
2019/05

java转换类型工具类TypeCastHelper

public class TypeCastHelper {
    private static final String DEFAULT_STRING = "";
    private static final int DEFAULT_INT = 0;
    private static final long DEFAULT_LONG = 0L;
    private static final double DEFAULT_DOUBLE = 0.0D;
    private static final float DEFAULT_FLOAT = 0.0F;
    private static final boolean DEFAULT_BOOLEAN = Boolean.FALSE;

    public static String toString(Object obj, String defaultValue) {
        return obj != null ? obj.toString() : defaultValue;
    }

    public static String toString(Object obj) {
        return toString(obj, DEFAULT_STRING);
    }

    public static String toString(Integer intValue, String defaultValue) {
        return intValue != null ? String.valueOf(intValue) : defaultValue;
    }

    public static String toString(Integer intValue) {
        return toString(intValue, DEFAULT_STRING);
    }

    public static String toString(Long longValue, String defaultValue) {
        return longValue != null ? String.valueOf(longValue) : defaultValue;
    }

    public static String toString(Long longValue) {
        return toString(longValue, DEFAULT_STRING);
    }

    public static String toString(Boolean booleanValue, String defaultValue) {
        return booleanValue != null ? String.valueOf(booleanValue) : defaultValue;
    }

    public static String toString(Boolean booleanValue) {
        return toString(booleanValue, DEFAULT_STRING);
    }

    public static String toString(Double doubleValue, String defaultValue) {
        return null != doubleValue ? String.valueOf(doubleValue) : defaultValue;
    }

    public static String toString(Double doubleValue) {
        return toString(doubleValue, DEFAULT_STRING);
    }

    public static String toString(Float floatValue, String defaultValue) {
        return null != floatValue ? String.valueOf(floatValue) : defaultValue;
    }

    public static String toString(Float floatValue) {
        return toString(floatValue, DEFAULT_STRING);
    }

    public static int toInt(Object objectValue, int defaultValue) {
        int intValue = defaultValue;
        if (null != objectValue) {
            try {
                intValue = Integer.parseInt(toString(objectValue, toString(defaultValue)));
            } catch (NumberFormatException numberFormatException) {
                System.err.println(numberFormatException.getMessage());
            }
        }
        return intValue;
    }

    public static int toInt(Object objectValue) {
        return toInt(objectValue, DEFAULT_INT);
    }

    public static int toInt(String stringValue, int defaultValue) {
        int intValue = defaultValue;
        if (null != stringValue && stringValue.length() > 0) {
            try {
                intValue = Integer.parseInt(stringValue);
            } catch (NumberFormatException numberFormatException) {
                System.err.println(numberFormatException.getMessage());
            }
        }
        return intValue;
    }

    public static int toInt(Long longValue, int defaultValue) {
        int intValue = defaultValue;
        if (null != longValue) {
            intValue = longValue.intValue();
        }
        return intValue;
    }

    public static int toInt(Long longValue) {
        return toInt(longValue, DEFAULT_INT);
    }

    public static int toInt(Boolean booleanValue, int defaultValue) {
        int intValue = defaultValue;
        if (null != booleanValue) {
            intValue = booleanValue ? 1 : 0;
        }
        return intValue;
    }

    public static int toInt(Boolean booleanValue) {
        return toInt(booleanValue, DEFAULT_INT);
    }

    public static int toInt(Double doubleValue, int defaultValue) {
        int intValue = defaultValue;
        if (null != doubleValue) {
            intValue = doubleValue.intValue();
        }
        return intValue;
    }

    public static int toInt(Double doubleValue) {
        return toInt(doubleValue, DEFAULT_INT);
    }

    public static int toInt(Float floatValue, int defaultValue) {
        int intValue = defaultValue;
        if (null != floatValue) {
            intValue = floatValue.intValue();
        }
        return intValue;
    }

    public static int toInt(Float floatValue) {
        return toInt(floatValue, DEFAULT_INT);
    }

    public static long toLong(Object objectValue, long defaultValue) {
        long longValue = defaultValue;
        if (null != objectValue) {
            try {
                longValue = Long.parseLong(toString(objectValue, toString(defaultValue)));
            } catch (NumberFormatException numberFormatException) {
                System.err.println(numberFormatException.getMessage());
            }
        }
        return longValue;
    }

    public static long toLong(Object objectValue) {
        return toLong(objectValue, DEFAULT_LONG);
    }

    public static long toLong(String stringValue, long defaultValue) {
        long longValue = defaultValue;
        if (null != stringValue && stringValue.length() > 0) {
            longValue = Long.parseLong(stringValue);
        }
        return longValue;
    }

    public static long toLong(String stringValue) {
        return toLong(stringValue, DEFAULT_LONG);
    }

    public static long toLong(Integer intValue, long defaultValue) {
        long longValue = defaultValue;
        if (null != intValue) {
            longValue = intValue.longValue();
        }
        return longValue;
    }

    public static long toLong(Integer intValue) {
        return toLong(intValue, DEFAULT_LONG);
    }

    public static long toLong(Boolean booleanValue, long defaultValue) {
        long longValue = defaultValue;
        if (null != booleanValue) {
            longValue = booleanValue ? 1L : 0L;
        }
        return longValue;
    }

    public static long toLong(Boolean booleanValue) {
        return toLong(booleanValue, DEFAULT_LONG);
    }

    public static long toLong(Double doubleValue, long defaultValue) {
        long longValue = defaultValue;
        if (null != doubleValue) {
            longValue = doubleValue.longValue();
        }
        return longValue;
    }

    public static long toLong(Double doubleValue) {
        return toLong(doubleValue, DEFAULT_LONG);
    }

    public static long toLong(Float floatValue, long defaultValue) {
        long longValue = defaultValue;
        if (null != floatValue) {
            longValue = floatValue.longValue();
        }
        return longValue;
    }

    public static long toLong(Float floatValue) {
        return toLong(floatValue, DEFAULT_LONG);
    }

    public static boolean toBoolean(Object objectValue, boolean defaultValue) {
        boolean booleanValue = defaultValue;
        if (null != objectValue) {
            booleanValue = Boolean.valueOf(toString(objectValue, toString(defaultValue)));
        }
        return booleanValue;
    }

    public static boolean toBoolean(Object objectValue) {
        return toBoolean(objectValue, DEFAULT_BOOLEAN);
    }

    public static boolean toBoolean(String stringValue, boolean defaultValue) {
        boolean booleanValue = defaultValue;
        if (null != stringValue && stringValue.length() > 0) {
            booleanValue = Boolean.valueOf(stringValue);
        }
        return booleanValue;
    }

    public static boolean toBoolean(String stringValue) {
        return toBoolean(stringValue, DEFAULT_BOOLEAN);
    }

    public static boolean toBoolean(Integer intValue, boolean defaultValue) {
        boolean booleanValue = defaultValue;
        if (null != intValue) {
            booleanValue = intValue == 1;
        }
        return booleanValue;
    }

    public static boolean toBoolean(Integer intValue) {
        return toBoolean(intValue, DEFAULT_BOOLEAN);
    }

    public static boolean toBoolean(Long longValue, boolean defaultValue) {
        boolean booleanValue = defaultValue;
        if (null != longValue) {
            booleanValue = longValue.longValue() == 1L;
        }
        return booleanValue;
    }

    public static boolean toBoolean(Long longValue) {
        return toBoolean(longValue, DEFAULT_BOOLEAN);
    }

    public static float toFloat(Object objectValue, float defaultValue) {
        float floatValue = defaultValue;
        if (null != objectValue) {
            try {
                floatValue = Float.valueOf(toString(objectValue, toString(defaultValue)));
            } catch (NumberFormatException numberFormatException) {
                System.err.println(numberFormatException);
            }
        }
        return floatValue;
    }

    public static float toFloat(Object objectValue) {
        return toFloat(objectValue, DEFAULT_FLOAT);
    }

    public static float toFloat(String stringValue, float defaultValue) {
        float floatValue = defaultValue;
        if (null != stringValue && stringValue.length() > 0) {
            try {
                floatValue = Float.valueOf(stringValue);
            } catch (NumberFormatException numberFormatException) {
                System.err.println(numberFormatException.getMessage());
            }
        }
        return floatValue;
    }

    public static float toFloat(String stringValue) {
        return toFloat(stringValue, DEFAULT_FLOAT);
    }

    public static float toFloat(Integer intValue, float defaultValue) {
        float floatValue = defaultValue;
        if (null != intValue) {
            floatValue = intValue.floatValue();
        }
        return floatValue;
    }

    public static float toFloat(Integer intValue) {
        return toFloat(intValue, DEFAULT_FLOAT);
    }

    public static float toFloat(Long longValue, float defaultValue) {
        float floatValue = defaultValue;
        if (null != longValue) {
            floatValue = longValue.floatValue();
        }
        return floatValue;
    }

    public static float toFloat(Long longValue) {
        return toFloat(longValue, DEFAULT_FLOAT);
    }

    public static float toFloat(Double doubleValue, float defaultValue) {
        float floatValue = defaultValue;
        if (null != doubleValue) {
            floatValue = doubleValue.floatValue();
        }
        return floatValue;
    }

    public static float toFloat(Double doubleValue) {
        return toFloat(doubleValue, DEFAULT_FLOAT);
    }

    public static double toDouble(Object objectValue, double defaultValue) {
        double doubleValue = defaultValue;
        if (null != objectValue) {
            doubleValue = Double.parseDouble(toString(objectValue, toString(defaultValue)));
        }
        return doubleValue;
    }

    public static double toDouble(Object objectValue) {
        return toDouble(objectValue, DEFAULT_DOUBLE);
    }

    public static double toDouble(String stringValue, double defaultValue) {
        double doubleValue = defaultValue;
        if (null != stringValue && stringValue.length() > 0) {
            doubleValue = Double.parseDouble(stringValue);
        }
        return doubleValue;
    }

    public static double toDouble(String stringValue) {
        return toDouble(stringValue, DEFAULT_DOUBLE);
    }

    public static double toDouble(Integer intValue, double defaultValue) {
        double doubleValue = defaultValue;
        if (null != intValue) {
            doubleValue = intValue.doubleValue();
        }
        return doubleValue;
    }

    public static double toDouble(Integer intValue) {
        return toDouble(intValue, DEFAULT_DOUBLE);
    }

    public static double toDouble(Long longValue, double defaultValue) {
        double doubleValue = defaultValue;
        if (null != longValue) {
            doubleValue = longValue.doubleValue();
        }
        return doubleValue;
    }

    public static double toDouble(Long longValue) {
        return toDouble(longValue, DEFAULT_DOUBLE);
    }

    public static double toDouble(Float floatValue, double defaultValue) {
        double doubleValue = defaultValue;
        if (null != floatValue) {
            doubleValue = floatValue.doubleValue();
        }
        return doubleValue;
    }

    public static double toDouble(Float floatValue) {
        return toDouble(floatValue, DEFAULT_DOUBLE);
    }
}

Last modification:May 26th, 2019 at 06:33 pm
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