org.apache.cayenne.modeler.util.CodeValidationUtil Maven / Gradle / Ivy
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package org.apache.cayenne.modeler.util;
import org.apache.cayenne.validation.BeanValidationFailure;
import org.apache.cayenne.validation.ValidationFailure;
// TODO, andrus 4/13/2006 - merge with BeanValidationFailure.
public class CodeValidationUtil {
private static String validationMessage(String attribute, String message) {
StringBuffer buffer = new StringBuffer(message.length() + attribute.length() + 5);
buffer.append('\"').append(attribute).append("\" ").append(message);
return buffer.toString();
}
public static ValidationFailure validateJavaIdentifier(
Object bean,
String attribute,
String identifier) {
ValidationFailure emptyFailure = BeanValidationFailure.validateNotEmpty(
bean,
attribute,
identifier);
if (emptyFailure != null) {
return emptyFailure;
}
char c = identifier.charAt(0);
if (!Character.isJavaIdentifierStart(c)) {
return new BeanValidationFailure(bean, attribute, validationMessage(
attribute,
" starts with invalid character: " + c));
}
for (int i = 1; i < identifier.length(); i++) {
c = identifier.charAt(i);
if (!Character.isJavaIdentifierPart(c)) {
return new BeanValidationFailure(bean, attribute, validationMessage(
attribute,
" contains invalid character: " + c));
}
}
return null;
}
}