Jskad/source/org/apache/commons/jrcs/util/ToString.java

/*
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999-2003 The Apache Software Foundation.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

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: 1.1 $ $Date: 2003/07/14 12:22:30 $
 * @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();
    }
}