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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. /
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 attributeString 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(
        if (emptyFailure != null) {
            return emptyFailure;
        char c = identifier.charAt(0);
        if (!Character.isJavaIdentifierStart(c)) {
            return new BeanValidationFailure(beanattributevalidationMessage(
                    " starts with invalid character: " + c));
        for (int i = 1; i < identifier.length(); i++) {
            c = identifier.charAt(i);
            if (!Character.isJavaIdentifierPart(c)) {
                return new BeanValidationFailure(beanattributevalidationMessage(
                        " contains invalid character: " + c));
        return null;
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