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/*
@VaadinApache2LicenseForJavaFiles@
*/
package com.vaadin.data.util.converter;
import java.util.Locale;
/**
* A converter that converts from {@link Boolean} to {@link String} and back.
* The String representation is given by Boolean.toString().
* <p>
* Leading and trailing white spaces are ignored when converting from a String.
* </p>
*
* @author Vaadin Ltd
* @version
* @VERSION@
* @since 7.0
*/
public class BooleanToStringConverter implements Converter<Boolean, String> {
/*
* (non-Javadoc)
*
* @see
* com.vaadin.data.util.converter.Converter#convertFromTargetToSource(java
* .lang.Object, java.util.Locale)
*/
public Boolean convertFromTargetToSource(String value, Locale locale)
throws ConversionException {
if (value == null) {
return null;
}
// Remove leading and trailing white space
value = value.trim();
if (getTrueString().equals(value)) {
return true;
} else if (getFalseString().equals(value)) {
return false;
} else {
throw new ConversionException("Cannot convert " + value
+ " to Boolean");
}
}
protected String getTrueString() {
return Boolean.TRUE.toString();
}
protected String getFalseString() {
return Boolean.FALSE.toString();
}
/*
* (non-Javadoc)
*
* @see
* com.vaadin.data.util.converter.Converter#convertFromSourceToTarget(java
* .lang.Object, java.util.Locale)
*/
public String convertFromSourceToTarget(Boolean value, Locale locale)
throws ConversionException {
if (value == null) {
return null;
}
if (value) {
return getTrueString();
} else {
return getFalseString();
}
}
/*
* (non-Javadoc)
*
* @see com.vaadin.data.util.converter.Converter#getSourceType()
*/
public Class<Boolean> getSourceType() {
return Boolean.class;
}
/*
* (non-Javadoc)
*
* @see com.vaadin.data.util.converter.Converter#getTargetType()
*/
public Class<String> getTargetType() {
return String.class;
}
}
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