java.util.StringTokenizer範例

/* * @(#) TestStringTokenizer.java  * in package net.outinn.james.codebase.java.util  * by James Fancy  * on 2003-9-27  */ package net.outinn.james.codebase.java.util; import java.util.StringTokenizer; /** * TestStringTokenizer 類給出了三個樣本，示範了 StringTokenizer 類的常見用法。  * <p>該範例程式碼運行結果</p> * <blockquote><pre> * --------- TEST1 ---------  * name  * telephone  * fax  * email  * address  * --------- TEST2 ---------  * name  * telephone  * fax  * email  * address  * --------- TEST3 ---------  * The  * file  * Good Java Code.txt  * is  * in  * dir  * My Documents  * of  * volume  * Doc Volume  * </pre></blockquote> * @author James Fancy * on 2003-9-27 9:12:34  * @see java.util.StringTokenizer */public final class StringTokenizerDemo {     private final String source1 = "name|telephone,fax;email.address";    private final String source3 = "The file /"Good Java Code.txt/" is in" +        " dir /"My Documents/" of volume /"Doc Volume/"";    private final String delim1 = ";,.|";   // 包含分號、逗號、句點、豎址分隔字元    private final String delim2 = " /"";    // 包含空格、引號    private final String delim3 = "/"";     // 僅包含引號private void printSeparater(String title) {        System.out.println("--------- " + title + " ---------");    }/**     * 示範 StringTokenizer 最常用的用法，使用 StringTokenizer(String, String)      * 構造 Tokenizer。      * @see java.util.StringTokenizer#StringTokenizer(String, String)     * @see java.util.StringTokenizer#hasMoreTokens()     * @see java.util.StringTokenizer#nextToken()     */    public void test1() {        this.printSeparater("TEST1");        StringTokenizer tokenizer;         tokenizer = new StringTokenizer(source1, delim1);         while (tokenizer.hasMoreTokens()) {            System.out.println(tokenizer.nextToken());         }     }/**     * 示範 StringTokenizer 的 nextToken(String) 用法      * @see java.util.StringTokenizer#StringTokenizer(String)     * @see java.util.StringTokenizer#hasMoreTokens()     * @see java.util.StringTokenizer#nextToken(String)     */    public void test2() {        this.printSeparater("TEST2");        StringTokenizer tokenizer = new StringTokenizer(source1);        while (tokenizer.hasMoreTokens()) {            System.out.println(tokenizer.nextToken(delim1));         }     }/**     * 一個較綜合的樣本，它拆分一句話，將每個單詞拆分出來，其中，      * 被雙引號包含的若干單詞被處理為一個單詞輸出。      * @see java.util.StringTokenizer#StringTokenizer(String, String, boolean)     * @see java.util.StringTokenizer#hasMoreTokens()     * @see java.util.StringTokenizer#nextToken()     * @see java.util.StringTokenizer#nextToken(String)     */    public void test3() {        this.printSeparater("TEST3");        String delim = delim2;         String word;         boolean begin = false;         StringTokenizer tokenizer = new StringTokenizer(source3, delim, true);        while (tokenizer.hasMoreTokens()) {            word = tokenizer.nextToken(delim);             if (word.equals("/"")) {                if (begin) {                    delim = delim2;                     begin = false;                } else {                    delim = delim3;                     begin = true;                }             } else if (!word.equals(" ")) {                System.out.println(word);             }         }     }/**     * 這個 main 方法輸出預設的測試結果。      * @param args 命令列參數     */    public final static void main(String[] args) {        StringTokenizerDemo demo = new StringTokenizerDemo();        demo.test1();         demo.test2();         demo.test3();     }  }