读取Csv行

/* from 
n o w    j a v a  . c o m*/

/**

 * Copyright 2004-2009 Tobias Gierke <tobias.gierke@code-sourcery.de>

 *

 * 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 com.nowjava;

import java.io.BufferedReader;

import java.io.IOException;


import java.util.ArrayList;

import java.util.List;


public class Main {

    public static final char COLUMN_SEPARATOR = ';';

    public static final char LINE_SEPARATOR = '\n';

    private static final String[] EMPTY_ARRAY = new String[0];


    public static String[] readCsvLine(String line) throws IOException {//来 自 N  o w  J a v a . c o m

        return readCsvLine(line, COLUMN_SEPARATOR, LINE_SEPARATOR);

    }


    public static String[] readCsvLine(BufferedReader reader)

            throws IOException {

        return readCsvLine(reader, COLUMN_SEPARATOR, LINE_SEPARATOR);

    }


    public static String[] readCsvLine(BufferedReader reader,

            char columnSeparator) throws IOException {

        return readCsvLine(reader, columnSeparator, LINE_SEPARATOR);

    }


    public static String[] readCsvLine(BufferedReader reader,

            char columnSeparator, char lineSeparator) throws IOException {

        return readCsvLine(reader.readLine(), columnSeparator,

                lineSeparator);

    }


    public static String[] readCsvLine(String line, char columnSeparator,

            char lineSeparator) throws IOException {


        if (line == null) {

            return EMPTY_ARRAY;

        }


        final int len = line.length();

        if (len == 0) {

            return EMPTY_ARRAY;

        }


        final List<String> result = new ArrayList<String>();


        int lastMark = 0;


        for (int i = 0; i < len; i++) {

            final