io.rivulet.converter.StringArrayConverter Maven / Gradle / Ivy
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package io.rivulet.converter;
/* Converts Strings into byte and char arrays. */
public class StringArrayConverter extends TargetIndependentConverter {
private static final long serialVersionUID = -3809648286184163140L;
public StringArrayConverter(Class targetArrayClass) {
super(ConverterPriority.HIGH, targetArrayClass, String.class);
}
@Override
public Object convert(Object source) {
if(source instanceof String && getTargetType().equals(byte[].class)) {
return ((String)source).getBytes();
} else if(source instanceof String) {
return ((String)source).toCharArray();
} else {
return null;
}
}
@Override
public String toString() {
return String.format("", getTargetType());
}
/* Provides access to the single instance of StringArrayConverter for converting to char arrays. */
public static StringArrayConverter getCharInstance() {
return StringArrayConverterSingletons.CHAR_INSTANCE;
}
/* Provides access to the single instance of StringArrayConverter for converting to byte arrays. */
public static StringArrayConverter getByteInstance() {
return StringArrayConverterSingletons.BYTE_INSTANCE;
}
/* Inner class used to provide access to the two instances of StringArrayConverter and ensure that only two instances of
* StringArrayConverter are ever created. */
private static class StringArrayConverterSingletons {
private static final StringArrayConverter CHAR_INSTANCE = new StringArrayConverter(char[].class);
private static final StringArrayConverter BYTE_INSTANCE = new StringArrayConverter(byte[].class);
}
}