csvparser.java

用jxse开发的一个p2p通讯软件 有聊天 文件共享 视频3大功能

/*
 *  Copyright (c) 2001 Sun Microsystems, Inc.  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 acknowledgment:
 *  "This product includes software developed by the
 *  Sun Microsystems, Inc. for Project JXTA."
 *  Alternately, this acknowledgment may appear in the software itself,
 *  if and wherever such third-party acknowledgments normally appear.
 *
 *  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"
 *  must not be used to endorse or promote products derived from this
 *  software without prior written permission. For written
 *  permission, please contact Project JXTA at http://www.jxta.org.
 *
 *  5. Products derived from this software may not be called "JXTA",
 *  nor may "JXTA" appear in their name, without prior written
 *  permission of Sun.
 *
 *  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 Project JXTA.  For more
 *  information on Project JXTA, please see
 *  <http://www.jxta.org/>.
 *
 *  This license is based on the BSD license adopted by the Apache Foundation.
 *
 *  $Id: CSVParser.java,v 1.1 2006/06/13 07:02:30 nano Exp $
 */

package net.jxta.myjxta.misc.beam;
//package net.java.netbeams.store;

import java.util.Hashtable;
import java.util.StringTokenizer;
import java.util.Vector;

public class CSVParser {

    public static DataTable parseOpenDAP(String csvdata) {
        Hashtable table = new Hashtable();
        return new DataTable(table);
    }

    public static DataTable parseCSV2(String csvheader, String csvdata) {
        Hashtable table = new Hashtable();
        // parse csvheader
        StringTokenizer st = new StringTokenizer(csvheader, "");
        return new DataTable(table);
    }

    public static DataTable parseCSV2(String csvdata) {
        Hashtable table = new Hashtable();
        return new DataTable(table);
    }

    public static String[] getALineOfCSV(String line) {
        String[] vals = null;
        return vals;
    }

    public static String[] getLines(String doc, boolean trim) {

        if (doc == null) return null;

        String[] lines = null;
        Vector v = new Vector();
        char[] buf = doc.toCharArray();

        StringBuffer sb = new StringBuffer();
        boolean quoteOn = false;
        int index = 0;

        for (int i = 0; i < buf.length; i++) {
            if (buf[i] == '\"') {
                if (index == 0) {
                    quoteOn = true;
                } else if (index > 0 && buf[index - 1] != '\\') {
                    quoteOn = !quoteOn;
                }
            }
            if (i == (buf.length - 1) ||
                    (!quoteOn && (buf[i] == '\n' || buf[i] == '\r'))) {
                if (sb != null) {
                    String stmp = new String(sb);
                    if (trim) stmp = stmp.trim();
                    v.addElement(stmp);
                    sb = null;
                }
            } else {
                if (sb == null) sb = new StringBuffer();
                sb.append(buf[i]);
            }
        }
        lines = new String[v.size()];
        for (int i = 0; i < v.size(); i++) {
            String oneline = (String) v.elementAt(i);
            if (trim) oneline = oneline.trim();
            lines[i] = oneline;
        }
        return lines;
    }
}