/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * 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 org.apache.commons.jrcs.util;

import java.io.BufferedReader;
import java.io.StringReader;
import java.util.List;
import java.util.LinkedList;

/**
 * This class delegates handling of the to a StringBuffer based version.
 *
 * @version $Revision: 1.4 $ $Date: 2004/02/28 03:35:37 $
 * @author <a href="mailto:juanco@suigeneris.org">Juanco Anez</a>
 */
public class ToString
{
    public ToString()
    {
    }

    /**
     * Default implementation of the
     * {@link java.lang.Object#toString toString() } method that
     * delegates work to a {@link java.lang.StringBuffer StringBuffer}
     * base version.
     */
    public String toString()
    {
        StringBuffer s = new StringBuffer();
        toString(s);
        return s.toString();
    }

    /**
     * Place a string image of the object in a StringBuffer.
     * @param s the string buffer.
     */
    public void toString(StringBuffer s)
    {
            s.append(super.toString());
    }



    /**
     * Breaks a string into an array of strings.
     * Use the value of the <code>line.separator</code> system property
     * as the linebreak character.
     * @param value the string to convert.
     */
    public static String[] stringToArray(String value)
    {
        BufferedReader reader = new BufferedReader(new StringReader(value));
        List l = new LinkedList();
        String s;
        try
        {
            while ((s = reader.readLine()) != null)
            {
                l.add(s);
            }
        }
        catch (java.io.IOException e)
        {
        }
        return (String[]) l.toArray(new String[l.size()]);
    }

    /**
     * Converts an array of {@link Object Object} to a string
     * Use the value of the <code>line.separator</code> system property
     * the line separator.
     * @param o the array of objects.
     */
    public static String arrayToString(Object[] o)
    {
        return arrayToString(o, System.getProperty("line.separator"));
    }

    /**
     * Converts an array of {@link Object Object} to a string
     * using the given line separator.
     * @param o the array of objects.
     * @param EOL the string to use as line separator.
     */
    public static String arrayToString(Object[] o, String EOL)
    {
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < o.length - 1; i++)
        {
            buf.append(o[i]);
            buf.append(EOL);
        }
        buf.append(o[o.length - 1]);
        return buf.toString();
    }
}