package net.sourceforge.solexatools.util;

import java.text.StringCharacterIterator;

/**
 * <p>
 * ModelUtil class.
 * </p>
 * 
 * @author boconnor
 * @version $Id: $Id
 */
public class ModelUtil {
    /**
     * <p>
     * forJSON.
     * </p>
     * 
     * @param aText
     *            a {@link java.lang.String} object.
     * @return a {@link java.lang.String} object.
     */
    public static String forJSON(String aText) {
        if (aText == null) return aText;

        final StringBuilder result = new StringBuilder();
        StringCharacterIterator iterator = new StringCharacterIterator(aText);
        char character = iterator.current();
        while (character != StringCharacterIterator.DONE) {
            if (character == '\"') {
                result.append("\\\"");
            } else if (character == '\\') {
                result.append("\\\\");
            } else if (character == '/') {
                result.append("\\/");
            } else if (character == '\b') {
                result.append("\\b");
            } else if (character == '\f') {
                result.append("\\f");
            } else if (character == '\n') {
                result.append("\\n");
            } else if (character == '\r') {
                result.append("\\r");
            } else if (character == '\t') {
                result.append("\\t");
            } else {
                // the char is not a special one
                // add it to the result as is
                result.append(character);
            }
            character = iterator.next();
        }

        return result.toString();
    }
}