使用反编译的代码作为jar包源码进行调试时,经常会遇到的情况是反编译后的源码之在注释里包含行号,但是与代码所在行经常对应不上。这个时候,就有必要对代码进行对齐了。
public class Reorg {
public static void main(String[] args) throws IOException {
File file = new File("D:\\OpenSource\\lib\\framework\\frameworkTest");
doReorg(file);
} public static void doReorg(File file) throws IOException {
System.out.println("搜索路径:" + file.getPath());
if (file.isDirectory()) {
File[] javaFiles = file.listFiles(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
if (name.endsWith(".java"))
return true;
return false;
}
}); for (File javaFile : javaFiles) {
ReorgJavaFile.reorgFile(javaFile);
} File[] paths = file.listFiles(new FileFilter() {
@Override
public boolean accept(File pathname) {
if (pathname.isDirectory())
return true;
return false;
}
}); for (File path : paths) {
doReorg(path);
}
}
} }
public class ReorgJavaFile {
private static final Pattern p = Pattern.compile("/\\*\\s*(\\d+)\\s*\\*/"); public static void reorgFile(File f) throws IOException {
System.out.println("检查文件:" + f.getPath()); int a = 0;
BufferedReader r = new BufferedReader(new FileReader(f));
StringBuilder sb = new StringBuilder(); String line;
while ((line = r.readLine()) != null) { a++;
Matcher m = p.matcher(line);
if (m.find()) {
int num = Integer.valueOf(m.group(1));
if (num < a) {
System.out.print("\t");
System.out.println(f.getPath());
System.out.print("\t");
System.out.println("In line " + a + ", src file line is " + num);
} else if (num > a) {
while (num != a) {
sb.append("\n");
a++;
}
}
} sb.append(line).append("\n"); } r.close(); BufferedWriter w = new BufferedWriter(new FileWriter(f));
w.write(sb.toString()); w.flush();
w.close();
} }
不过此代码只能对反编译代码进行部分对齐,仍有一些地方需要人工进行对齐。