所有jar文件列出工具

FileUtils.java文件

----------------------------------------------------------------------FileUtils.java开始-----------------------------------------------------------------------

package test.code.walkthrough.utils;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.List;

public class FileUtils {

public static BufferedWriter write2File4Path(String path) {
File file = new File(path);
BufferedWriter bw = null;
OutputStream os = null;
try {
os = new FileOutputStream(file);
OutputStreamWriter osw = new OutputStreamWriter(os);
bw = new BufferedWriter(osw);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

return bw;
}

public static void listFileNames4Directory(String path) {
BufferedWriter bw = write2File4Path("O:/source_research/research.txt");
File file = new File(path);
File[] listfiles = file.listFiles();
int length = listfiles.length;
try {
for (int i=0; i<length; i++) {
File fileTmp = listfiles[i];
if (fileTmp.isDirectory()) {
continue;
}
String fileName = fileTmp.getName();
if (fileName.endsWith("jar")) {
bw.write(fileName);
bw.write(" ");
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
bw.close();
} catch (IOException e) {
e.printStackTrace();
}
}

}

public static void main(String[] args) {
String directory = "D:/software_install/inteligient_platform/6600/ivms-lite/WEB-INF/lib";
listFileNames4Directory(directory);
}

}

----------------------------------------------------------------------FileUtils.java开始-----------------------------------------------------------------------

备注：将目录字符串赋值给directory变量，所有jar的名字会被写入到O:/source_research/research.txt文件中。

写入格式如下：

activation-1.1.jar
ant-1.9.7.jar
ant-launcher-1.9.7.jar
antisamy-1.4.3.jar
antlr-2.7.6.jar
antlr-runtime-3.4.jar
aopalliance-1.0.jar
apache-mime4j-benchmark-0.7.jar
apache-mime4j-core-0.7.jar
apache-mime4j-dom-0.7.jar
apache-mime4j-examples-0.7.jar
apache-mime4j-storage-0.7.jar