android 技术知识

Android 对 aar文件进行查看(复制、改名、解压)

2021-03-24  本文已影响0人  追梦小乐
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UZipFile.java

import java.io.*;
import java.nio.charset.Charset;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

/**
 * Created by wzj on 2016/9/9.
 */
public class UZipFile {
    /**
     * 解压到指定目录
     */
    public static void unZipFiles(String zipPath, String descDir) throws IOException {
        unZipFiles(new File(zipPath), descDir);
    }

    /**
     * 解压文件到指定目录
     */
    @SuppressWarnings("rawtypes")
    public static void unZipFiles(File zipFile, String descDir) throws IOException {
        File pathFile = new File(descDir);
        if (!pathFile.exists()) {
            pathFile.mkdirs();
        }
        //解决zip文件中有中文目录或者中文文件
        ZipFile zip = new ZipFile(zipFile, Charset.forName("GBK"));
        for (Enumeration entries = zip.entries(); entries.hasMoreElements(); ) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            String zipEntryName = entry.getName();
            InputStream in = zip.getInputStream(entry);
            String outPath = (descDir + zipEntryName).replaceAll("\\*", "/");
            ;
            //判断路径是否存在,不存在则创建文件路径
            File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
            if (!file.exists()) {
                file.mkdirs();
            }
            //判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
            if (new File(outPath).isDirectory()) {
                continue;
            }
            //输出文件路径信息
            System.out.println(outPath);
            OutputStream out = new FileOutputStream(outPath);
            byte[] buf1 = new byte[1024];
            int len;
            while ((len = in.read(buf1)) > 0) {
                out.write(buf1, 0, len);
            }
            in.close();
            out.close();
        }
        System.out.println("******************解压完毕********************");
    }
}

MainProgram.java


import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;

public class MainProgram {

    public static void main(String[] args) {

        String foldNamePath = "./src/lib/";
        String[] aarFilePathNameArr = getAllFileName(foldNamePath);
        String[] zipFilePathNameArr = getAllFileNewName(foldNamePath);
        for (int i = 0; i < aarFilePathNameArr.length; i++) {
            try {
                copy(aarFilePathNameArr[i],zipFilePathNameArr[i]);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }


        String[] allUzipFileNewName = getAllUzipFileNewName(zipFilePathNameArr);

        for (int i = 0; i < zipFilePathNameArr.length; i++) {
            try {
                System.out.println("源文件路径: -> " + zipFilePathNameArr[i]);
                System.out.println("解压文件路径: -> " + allUzipFileNewName[i]);
                System.out.println("============================================= ");
                UZipFile.unZipFiles(zipFilePathNameArr[i],allUzipFileNewName[i]);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }



    public static  String[] getAllFileName(String path) {
        ArrayList<String> files = new ArrayList<String>();
        File file = new File(path);
        File[] tempList = file.listFiles();
        if (null != tempList && tempList.length > 0){
            for (int i = 0; i < tempList.length; i++) {
                files.add(tempList[i].getPath());
            }
        }
        String[] aarFileTypeArr = (String[])files.toArray(new String[0]);
        return aarFileTypeArr;
    }

    public static  String[] getAllFileNewName(String path) {
        ArrayList<String> files = new ArrayList<String>();
        File file = new File(path);
        File[] tempList = file.listFiles();
        if (null != tempList && tempList.length > 0){
            for (int i = 0; i < tempList.length; i++) {
                String origalPath = tempList[i].getPath();
                origalPath = origalPath.substring(0,origalPath.length() - 3) + "zip";
                origalPath = origalPath.substring(0,6) + "zip" + origalPath.substring(9);
                files.add(origalPath);
            }
        }
        String[] zipFileTypeArr = (String[])files.toArray(new String[0]);
        return zipFileTypeArr;
    }

    private static  String[] getAllUzipFileNewName(String[] zipFileArr){
        ArrayList<String> files = new ArrayList<String>();
        if (null != zipFileArr && zipFileArr.length > 0){
            for (int i = 0; i < zipFileArr.length; i++) {
                String origalPath = zipFileArr[i];
                origalPath = origalPath.substring(0,6) + "uzip" + origalPath.substring(9,origalPath.length() - 4) + "/";
                files.add(origalPath);
            }
        }
        String[] uzipFileTypeArr = (String[])files.toArray(new String[0]);
        return uzipFileTypeArr;
    }


    private static void copy(String url1, String url2) throws Exception {
        String dirPath = "./src/zip";
        File dirFile = new File(dirPath);
        if (dirFile.exists()){
            dirFile.delete();
        }
        dirFile.mkdirs();
        FileInputStream in = new FileInputStream(new File(url1));
        FileOutputStream out = new FileOutputStream(new File(url2));
        byte[] buff = new byte[512];
        int n = 0;
        System.out.println("复制文件:" + "\n" + "源路径:" + url1 + "\n" + "目标路径:"
                + url2);
        while ((n = in.read(buff)) != -1) {
            out.write(buff, 0, n);
        }
        out.flush();
        in.close();
        out.close();
        System.out.println("复制完成");
    }

}

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