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Grails Web Application Framework

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/*
 * Copyright 2011 SpringSource.
 *
 * Licensed 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 grails.web;

import grails.util.GrailsNameUtils;
import org.springframework.util.StringUtils;


/**
 * URL converter that allows for camel case URLs
 *
 * @author Jeff Brown
 * @since 2.0
 */
public class CamelCaseUrlConverter implements UrlConverter {

    public String toUrlElement(String propertyOrClassName) {
        if (!StringUtils.hasText(propertyOrClassName)) {
            return propertyOrClassName;
        }

        if (propertyOrClassName.contains(".")) {
            String[] parts = propertyOrClassName.split("\\.");
            StringBuilder buffer = new StringBuilder();
            int last = parts.length - 1;
            for (int i = 0; i < parts.length; i++) {
                buffer.append(GrailsNameUtils.getPropertyName(parts[i]));
                if (i < last) {
                    buffer.append(".");
                }
            }
            return buffer.toString();
        } else {
            return GrailsNameUtils.getPropertyName(propertyOrClassName);
        }
    }
}