资源简介

参考网上https://blog.csdn.net/qq_35992956/article/details/80801962 整理的demo,可以正常运行,非极验的

资源截图

代码片段和文件信息

/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License Version 2.0 (the
“License“); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing
software distributed under the License is distributed on an
“AS IS“ BASIS WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
*/

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.util.Properties;

public class MavenWrapperDownloader {

    /**
     * Default URL to download the maven-wrapper.jar from if no ‘downloadUrl‘ is provided.
     */
    private static final String DEFAULT_DOWNLOAD_URL =
            “https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar“;

    /**
     * Path to the maven-wrapper.properties file which might contain a downloadUrl property to
     * use instead of the default one.
     */
    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
            “.mvn/wrapper/maven-wrapper.properties“;

    /**
     * Path where the maven-wrapper.jar will be saved to.
     */
    private static final String MAVEN_WRAPPER_JAR_PATH =
            “.mvn/wrapper/maven-wrapper.jar“;

    /**
     * Name of the property which should be used to override the default download url for the wrapper.
     */
    private static final String PROPERTY_NAME_WRAPPER_URL = “wrapperUrl“;

    public static void main(String args[]) {
        System.out.println(“- Downloader started“);
        File baseDirectory = new File(args[0]);
        System.out.println(“- Using base directory: “ + baseDirectory.getAbsolutePath());

        // If the maven-wrapper.properties exists read it and check if it contains a custom
        // wrapperUrl parameter.
        File mavenWrapperPropertyFile = new File(baseDirectory MAVEN_WRAPPER_PROPERTIES_PATH);
        String url = DEFAULT_DOWNLOAD_URL;
        if (mavenWrapperPropertyFile.exists()) {
            FileInputStream mavenWrapperPropertyFileInputStream = null;
            try {
                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
                Properties mavenWrapperProperties = new Properties();
                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL url);
            } catch (IOException e) {
                Syst

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-09-20 15:45  captcha\
     文件         333  2019-09-20 09:42  captcha\.gitignore
     目录           0  2019-09-23 09:21  captcha\.idea\
     文件         812  2019-09-20 09:42  captcha\.idea\compiler.xml
     文件         177  2019-09-20 09:42  captcha\.idea\encodings.xml
     目录           0  2019-09-20 09:42  captcha\.idea\inspectionProfiles\
     文件        1444  2019-09-20 09:42  captcha\.idea\inspectionProfiles\Project_Default.xml
     目录           0  2019-09-20 15:45  captcha\.idea\libraries\
     文件         553  2019-09-20 09:42  captcha\.idea\libraries\Maven__ch_qos_logback_logback_classic_1_2_3.xml
     文件         532  2019-09-20 09:42  captcha\.idea\libraries\Maven__ch_qos_logback_logback_core_1_2_3.xml
     文件         579  2019-09-20 09:54  captcha\.idea\libraries\Maven__commons_beanutils_commons_beanutils_1_9_3.xml
     文件         601  2019-09-20 09:54  captcha\.idea\libraries\Maven__commons_collections_commons_collections_3_2_2.xml
     文件         502  2019-09-20 11:27  captcha\.idea\libraries\Maven__commons_io_commons_io_1_3_2.xml
     文件         499  2019-09-20 09:56  captcha\.idea\libraries\Maven__com_alibaba_fastjson_1_2_60.xml
     文件         507  2019-09-20 09:42  captcha\.idea\libraries\Maven__com_fasterxml_classmate_1_4_0.xml
     文件         629  2019-09-20 09:42  captcha\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_annotations_2_9_0.xml
     文件         580  2019-09-20 09:42  captcha\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_core_2_9_9.xml
     文件         622  2019-09-20 09:42  captcha\.idea\libraries\Maven__com_fasterxml_jackson_core_jackson_databind_2_9_9_3.xml
     文件         659  2019-09-20 09:42  captcha\.idea\libraries\Maven__com_fasterxml_jackson_datatype_jackson_datatype_jdk8_2_9_9.xml
     文件         673  2019-09-20 09:42  captcha\.idea\libraries\Maven__com_fasterxml_jackson_datatype_jackson_datatype_jsr310_2_9_9.xml
     文件         714  2019-09-20 09:42  captcha\.idea\libraries\Maven__com_fasterxml_jackson_module_jackson_module_parameter_names_2_9_9.xml
     文件         484  2019-09-20 09:49  captcha\.idea\libraries\Maven__com_google_guava_guava_19_0.xml
     文件         531  2019-09-20 09:42  captcha\.idea\libraries\Maven__com_jayway_jsonpath_json_path_2_4_0.xml
     文件         685  2019-09-20 09:42  captcha\.idea\libraries\Maven__com_vaadin_external_google_android_json_0_0_20131108_vaadin1.xml
     文件         596  2019-09-20 09:42  captcha\.idea\libraries\Maven__javax_annotation_javax_annotation_api_1_3_2.xml
     文件         596  2019-09-20 09:42  captcha\.idea\libraries\Maven__javax_validation_validation_api_2_0_1_Final.xml
     文件         440  2019-09-20 09:42  captcha\.idea\libraries\Maven__junit_junit_4_12.xml
     文件         521  2019-09-20 09:42  captcha\.idea\libraries\Maven__net_bytebuddy_byte_buddy_1_9_16.xml
     文件         563  2019-09-20 09:42  captcha\.idea\libraries\Maven__net_bytebuddy_byte_buddy_agent_1_9_16.xml
     文件         527  2019-09-20 09:42  captcha\.idea\libraries\Maven__net_minidev_accessors_smart_1_2.xml
     文件         492  2019-09-20 09:42  captcha\.idea\libraries\Maven__net_minidev_json_smart_2_3.xml
............此处省略183个文件信息

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