转换Java
将Java类名称（点分隔的包名称）转换为等效的Java类文件名称。
实例源码：
源代码：
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/*3
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Milyn - Copyright (C) 2006 - 20105
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This library is free software; you can redistribute it and/or8
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modify it under the terms of the GNU Lesser General Public10
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License (version 2.1) as published by the Free Software 12
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Foundation.14
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This library is distributed in the hope that it will be useful,17
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but WITHOUT ANY WARRANTY; without even the implied warranty of19
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 21
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See the GNU Lesser General Public License for more details: 25
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http://www.gnu.org/licenses/lgpl.txt27
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*/29
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//package com.nowjava;31
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public class Main {/* from N o w J a v a . c o m - 时 代 Java*/34
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public static void main(String[] argv) throws Exception {36
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String className = "nowjava.com";38
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System.out.println(toFileName(className));40
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}42
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/**45
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* Convert the Java-class-name (dot delimited package name)to the 47
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* equivalent Java-class-file-name .49
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* <p/>51
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* EG:<br/>53
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* a.b.c.X converts to a/b/c/X.class<br/>55
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* a.b.c.X.class converts to a/b/c/X.class<br/>57
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* a/b/c/X.class converts to a/b/c/X.class<br/>59
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* a/b/c/X converts to a/b/c/X.class<br/>61
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* @param className The class name string to be translated.63
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* @return The file name representaion of the supplied runtime class String.65
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*/67
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public static String toFileName(String className) {69
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StringBuffer fileName;71
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if (className == null) {74
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throw new IllegalArgumentException(76
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"null 'className' arg in method call.");78
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}80
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className = className.trim();/**来 自 时 代 J a v a - N o w J a v a . c o m**/82
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if (className.equals("")) {84
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throw new IllegalArgumentException(86
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"empty 'className' arg in method call.");88
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}90
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fileName = new StringBuffer(className);93
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// Fixup the name - replace '.' with '/' and append ".class" ( possibly 95
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// after already removing it - to avoid it from being converted 97
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// to "/class").99
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