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The Plasma SDO Module
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/**
 *         PlasmaSDO™ License
 * 
 * This is a community release of PlasmaSDO™, a dual-license 
 * Service Data Object (SDO) 2.1 implementation. 
 * This particular copy of the software is released under the 
 * version 2 of the GNU General Public License. PlasmaSDO™ was developed by 
 * TerraMeta Software, Inc.
 * 
 * Copyright (c) 2013, TerraMeta Software, Inc. All rights reserved.
 * 
 * General License information can be found below.
 * 
 * This distribution may include materials developed by third
 * parties. For license and attribution notices for these
 * materials, please refer to the documentation that accompanies
 * this distribution (see the "Licenses for Third-Party Components"
 * appendix) or view the online documentation at 
 * .
 *  
 */
package org.plasma.provisioning.common;

public class NameUtils {
	/**
	 * Creates a capitalized, underscore delimited name
	 * from the given camel case name. 
	 * @param name the name
	 * @return the result name
	 */
	public static String toCamelCase(String name) {
    	StringBuilder buf = new StringBuilder();
    	if (name.indexOf("_") >= 0) {
    		char[] array = name.toLowerCase().toCharArray();
            for (int i = 0; i < array.length; i++) {
            	if (i > 0) {
            	    if (array[i] == '_') {
            	    	int next = i+1;
            	    	if (next < array.length)
            	    	    array[next] = Character.toUpperCase(array[next]);
            		    continue;
            	    }
            	    else
            	    	buf.append(array[i]);	
            	}
            	else {
            		buf.append(Character.toUpperCase(array[i]));
            	}
            }
    	}
    	else {
        	char[] array = name.toCharArray();
    		if (hasUpper(array)) {
    			if (hasLower(array)) {
    				buf.append(name);
    			}
    			else
        			buf.append(name.toLowerCase());
    		}
    		else {
    			buf.append(name);
    		}
    	}
    	
        return buf.toString();
    }
	
	private static boolean hasDelimiter(char[] array, char c)
	{
        for (int i = 0; i < array.length; i++)
        	if (array[i] == c)
        		return true;
 		return false;
	}

	private static boolean hasLower(char[] array)
	{
        for (int i = 0; i < array.length; i++)
        	if (Character.isLowerCase(array[i]))
        		return true;
 		return false;
	}

	private static boolean hasUpper(char[] array)
	{
        for (int i = 0; i < array.length; i++)
        	if (Character.isUpperCase(array[i]))
        		return true;
 		return false;
	}
	
	/**
	 * Creates a capitalized, underscore delimited name
	 * from the given camel case name. 
	 * @param name the name
	 * @return the result name
	 */
	public static String toConstantName(String name) {
    	StringBuilder buf = new StringBuilder();
    	char[] array = name.toCharArray();
        for (int i = 0; i < array.length; i++) {
        	if (i > 0) {
        	   if (Character.isLetter(array[i]) && Character.isUpperCase(array[i]))
        		   buf.append("_");
        	}
        	if (Character.isLetterOrDigit(array[i])) {
        	    buf.append(Character.toUpperCase(array[i]));        		
        	}
        	else
        	    buf.append("_");
        }
        return buf.toString();
    }

	/**
	 * Creates a capitalized, underscore delimited name
	 * from the given camel case name and removes consonant
	 * characters where the name exceeds the given max.  
	 * @param name the name
	 * @return
	 */
	public static String toAbbreviatedName(String name) {
	    return toAbbreviatedName(name, 4);
	}
	
	/**
	 * Creates a capitalized, underscore delimited name
	 * from the given camel case name and removes consonant
	 * characters where the name exceeds the given max.  
	 * @param name the name
	 * @param max the max size to allow before abbreviation begins.
	 * @return
	 */
	public static String toAbbreviatedName(String name, int max) {
		
		String constantName = toConstantName(name);
		if (constantName.length() <= max)
			return constantName;
    	StringBuilder buf = new StringBuilder();
    	char[] array = constantName.toCharArray();
        for (int i = 0; i < array.length; i++) {
        	if (i == 0) {
        	    buf.append(array[i]);
        		continue;
        	}
        	if (array[i] == 'A' || array[i] == 'E' || array[i] == 'I' || array[i] == 'O' || array[i] == 'U') {
        		continue;        		
        	}
        	else
        	    buf.append(array[i]);
        }
        return buf.toString();
    }

	public static String firstToUpperCase(String name) {
		if (Character.isLowerCase(name.charAt(0))) {
		    return name.substring(0, 1).toUpperCase() + name.substring(1);	
		}
			
		return name;
    }
	
	public static String firstToLowerCase(String name) {
		if (Character.isUpperCase(name.charAt(0))) {
		    return name.substring(0, 1).toLowerCase() + name.substring(1);	
		}
			
		return name;
    }
}