nz.co.senanque.schemabuilder.NameHandler.java Source code

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Here is the source code for nz.co.senanque.schemabuilder.NameHandler.java

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/*
 * Created on 14/04/2011
 *
 * Copyright 2011 Prometheus Consulting.
 *
 * 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 nz.co.senanque.schemabuilder;

import org.apache.commons.lang.StringUtils;

/**
 * 
 * Short description
 * 
 * @author Roger Parkinson
 * @version $Revision:$
 */
public class NameHandler {

    public static String translateToJavaField(String name) {
        return initialLowerCase(fixCase(name));
    }

    public static String translateToJavaCollection(String name) {
        return pluralize(initialLowerCase(fixCase(StringUtils.remove(name, "_ID"))));
    }

    public static String translateToJavaType(String name) {
        return singularize(fixCase(name));
    }

    private static String singularize(String ret) {
        if (ret.endsWith("ss")) {
            return ret;
        }
        if (ret.endsWith("es")) {
            return ret.substring(0, ret.length() - 1);
        }
        if (ret.endsWith("s")) {
            return ret.substring(0, ret.length() - 1);
        }
        return ret;
    }

    private static String pluralize(String name) {
        String ret = name;
        if (ret.endsWith("s")) {
            ret = ret + "es";
        } else {
            ret = ret + "s";
        }
        return ret;
    }

    private static String initialLowerCase(String str) {
        if (str == null) {
            return str;
        }
        if (str.length() < 2) {
            return StringUtils.lowerCase(str);
        }
        return Character.toLowerCase(str.charAt(0)) + str.substring(1);
    }

    private static String fixCase(String str) {
        StringBuilder buff = new StringBuilder();

        String[] tokens = str.split("_");
        for (String i : tokens) {
            buff.append(StringUtils.capitalize(i.toLowerCase()));
        }
        return buff.toString();
    }

    public static String translateToJavaTypeProperty(String name) {
        return initialLowerCase(translateToJavaType(name));
    }

}