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Axis2StubUtil.java
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94 lines (87 loc) · 2.73 KB
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package com.github.flance.util.file;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* Axis2 Webservice stub 处理工具
*
* @author zhangying
* @date 2019/3/5 22:03
*/
public class Axis2StubUtil {
/**
* "java.lang.* " 对应的正则表达式
*/
private static final String[] langPackage = {"java.lang.reflect.", "java.lang.ref.", "java.lang.management.", "java.lang.invoke.", "java.lang.instrument.", "java.lang.annotation.", "java.lang."};
/**
* 删除没有实际意义的代码行(所有空行、所有注释行)
*
* @param input 源文件
* @param output 清理之后的目标文件
*/
public static void removeInvalidCodeLine(File input, File output) {
try {
List<String> lines = FileUtils.readLines(input, "utf-8");
//多行注释标志
boolean multiLineFlag = false;
List<String> out = new ArrayList<>();
for (String s : lines) {
String line = s.trim();
if (isInlineComment(line)) {
continue;
}
//多行注释的处理
if (line.startsWith("/*")) {
multiLineFlag = true;
continue;
}
if (multiLineFlag && !line.endsWith("*/")) {
continue;
}
if (multiLineFlag && line.endsWith("*/")) {
multiLineFlag = false;
continue;
}
out.add(simplifyLangPackage(s));
}
FileUtils.writeLines(output, out);
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 是否为行内注释(单行注释)
*
* @param line 一行字符串
* @return 单行注释为true,否则为false
*/
private static boolean isInlineComment(String line) {
if (!StringUtils.isBlank(line)) {
line = line.trim();
//标准的单行注释
if (line.startsWith("//")) {
return true;
}
/** 特殊的单行注释 */
if (line.startsWith("/*") && line.endsWith("*/")) {
return true;
}
}
return false;
}
/**
* 简化一行代码中的"java.lang.*"的引用
*
* @param line 代码行
* @return 简化后的代码行
*/
private static String simplifyLangPackage(String line) {
for (String reg : langPackage) {
line = line.replaceAll(reg, "");
}
return line;
}
}