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import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
public class CopyJava {
public static void main(String[] args) throws IOException {
copy("e:/src", "e:/desc"); // è¿éå好æºæ件夹åç®çæ件夹
}
private static void copy(String srcPath, String descPath) throws IOException {
copy(new File(srcPath), new File(descPath));
}
private static void copy(File srcFile, File descFile) throws IOException {
if (srcFile.isFile()) { // æ件
File parent = descFile.getParentFile();
if (!parent.exists()) {
parent.mkdirs(); // å建æ件夹
}
if (srcFile.getName().endsWith(".java")) {
copyJava(srcFile, descFile);
} else {
copyFile(srcFile, descFile);
}
} else { // æ件夹
for (File file : srcFile.listFiles()) {
// ç¸å¯¹è·¯å¾
String srcPath = file.getAbsolutePath().substring(srcFile.getAbsolutePath().length());
copy(file, new File(descFile.getAbsolutePath() + srcPath));
}
}
}
private static void copyJava(File srcFile, File descFile) throws IOException {
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(descFile)));
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(srcFile)));
String line;
while ((line = br.readLine()) != null) {
bw.write(line.replaceFirst("/\\* \\*/", "")); // 注æè¿éï¼å¦æä¸è¡ï¼è¦éå½ä¿®æ¹
bw.write("\n");
}
br.close();
bw.close();
}
private static void copyFile(File srcFile, File descFile) throws IOException {
OutputStream output = new FileOutputStream(descFile);
InputStream input = new FileInputStream(srcFile);
byte[] buffer = new byte[1024 * 4];
int n = 0;
while ((n = input.read(buffer)) != -1) {
output.write(buffer, 0, n);
}
input.close();
output.close();
}
}