xxl.mathematica.web.JarDownload Maven / Gradle / Ivy

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package xxl.mathematica.web;

import io.vavr.control.Try;
import xxl.mathematica.Rule;
import xxl.mathematica.cryptology.Hash;
import xxl.mathematica.io.CopyFile;
import xxl.mathematica.io.DeleteFile;
import xxl.mathematica.io.ParentDirectory;
import xxl.mathematica.logic.AllTrue;
import xxl.mathematica.string.StringReplace;
import xxl.mathematica.string.StringSplit;

import java.io.File;
import java.util.Arrays;
import java.util.List;
import java.util.function.BiConsumer;

/**
 * 下载jar
 */
public class JarDownload {
    //默认阿里云仓库，快速
    static final String maven = "https://maven.aliyun.com/nexus/content/groups/public/";

    /**
     * 下载jar文件，三个文件
     * .jar
     * .-sources.jar
     * .pom
     *
     * @param coordinate 类似 io.netty:netty-all:4.1.50.Final
     * @param dir
     * @param f
     */
    public static String jarDownload(String coordinate, String dir, BiConsumer f) {
        return Try.ofCallable(() -> {
            List coordinates = StringSplit.stringSplit(coordinate, ":");
            String group = coordinates.get(0);
            String artifact = coordinates.get(1);
            String version = coordinates.get(2);
            String base = maven + StringReplace.stringReplace(group, Rule.valueOf("\\.", "/")) + "/" + artifact + "/" + version + "/";
            String fileName = artifact + "-" + version;
            String tDir = dir + File.separator + group + File.separator + artifact + File.separator + version;
            String[] files = new String[]{fileName + ".jar", fileName + "-sources.jar", fileName + ".pom"};
            String[] copies = new String[files.length];
            for (int i = 0; i < files.length; i++) {
                String file = files[i];
                int max = 10;//最多尝试10次
                while (max-- >= 0) {
                    String url = base + file;
                    String res = URLDownload.urlDownload(url, tDir, aFloat -> f.accept(file, aFloat));
                    if (res == null) {
                        Thread.sleep(1000);
                    } else {
                        String sha1 = Hash.encodeHexString(Hash.hashFile(res, Hash.Algorithm.SHA1));
                        String parent = ParentDirectory.parentDirectory(res);
                        copies[i] = CopyFile.copyFile(res, parent + File.separator + sha1 + File.separator + file);
                        if (!DeleteFile.deleteFile(res)) {
                            copies[i] = null;
                        }
                        break;
                    }
                }
            }
            if (AllTrue.allTrue(Arrays.asList(copies), s -> s != null)) {
                return tDir;
            } else {
                return null;
            }
        }).getOrNull();
    }
}