All Downloads are FREE. Search and download functionalities are using the official Maven repository.
Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
cz.jalasoft.lifeconfig.converter.StringConverters Maven / Gradle / Ivy
package cz.jalasoft.lifeconfig.converter;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
/**
* A factory of various converters from string.
*
* Created by honzales on 18.4.15.
*/
public final class StringConverters {
static Converter toByte() {
return new TypesafeConverter(String.class, Byte.class) {
@Override
protected Byte convertSafely(String from) throws ConverterException {
try {
return Byte.valueOf(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Byte.class);
}
}
};
}
static Converter toFloat() {
return new TypesafeConverter(String.class, Float.class) {
@Override
protected Float convertSafely(String from) throws ConverterException {
try {
return Float.valueOf(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Float.class);
}
}
};
}
static Converter toDouble() {
return new TypesafeConverter(String.class, Double.class) {
@Override
protected Double convertSafely(String from) throws ConverterException {
try {
return Double.valueOf(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Double.class);
}
}
};
}
static Converter toShort() {
return new TypesafeConverter(String.class, Short.class) {
@Override
protected Short convertSafely(String from) throws ConverterException {
try {
return Short.valueOf(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Short.class);
}
}
};
}
static Converter toInteger() {
return new TypesafeConverter(String.class, Integer.class) {
@Override
protected Integer convertSafely(String from) throws ConverterException {
try {
return Integer.valueOf(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Integer.class);
}
}
};
}
static Converter toLong() {
return new TypesafeConverter(String.class, Long.class) {
@Override
protected Long convertSafely(String from) throws ConverterException {
try {
return Long.parseLong(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Long.class);
}
}
};
}
static Converter toBoolean() {
return new TypesafeConverter(String.class, Boolean.class) {
@Override
protected Boolean convertSafely(String from) throws ConverterException {
try {
return Boolean.parseBoolean(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Boolean.class);
}
}
};
}
static Converter toFloatPrimitive() {
return new TypesafeConverter(String.class, float.class) {
@Override
protected Float convertSafely(String from) throws ConverterException {
try {
return Float.parseFloat(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, float.class);
}
}
};
}
static Converter toDoublePrimitive() {
return new TypesafeConverter(String.class, double.class) {
@Override
protected Double convertSafely(String from) throws ConverterException {
try {
return Double.parseDouble(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Double.class);
}
}
};
}
static Converter toBooleanPrimitive() {
return new TypesafeConverter(String.class, boolean.class) {
@Override
protected Boolean convertSafely(String from) throws ConverterException {
try {
return Boolean.parseBoolean(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, boolean.class);
}
}
};
}
static Converter toBytePrimitive() {
return new TypesafeConverter(String.class, byte.class) {
@Override
protected Byte convertSafely(String from) throws ConverterException {
try {
return Byte.parseByte(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, byte.class);
}
}
};
}
static Converter toShortPrimitive() {
return new TypesafeConverter(String.class, short.class) {
@Override
protected Short convertSafely(String from) throws ConverterException {
try {
return Short.parseShort(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Short.class);
}
}
};
}
static Converter toIntPrimitive() {
return new TypesafeConverter(String.class, int.class) {
@Override
protected Integer convertSafely(String from) throws ConverterException {
try {
return Integer.parseInt(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Integer.class);
}
}
};
}
static Converter toLongPrimitive() {
return new TypesafeConverter(String.class, long.class) {
@Override
protected Long convertSafely(String from) throws ConverterException {
try {
return Long.parseLong(from);
} catch (NumberFormatException exc) {
throw new ConverterException(from, String.class, Long.class);
}
}
};
}
static Converter toISOLocalDateTime() {
return new TypesafeConverter(String.class, LocalDateTime.class) {
@Override
protected LocalDateTime convertSafely(String from) throws ConverterException {
try {
return LocalDateTime.parse(from, DateTimeFormatter.ISO_LOCAL_DATE_TIME);
} catch (DateTimeParseException exc) {
throw new ConverterException(from, String.class, LocalDateTime.class);
}
}
};
}
//----------------------------------------------------------------
//CONSTRUCTOR
//----------------------------------------------------------------
private StringConverters() {
throw new RuntimeException();
}
}
