首页>代码>SpringBoot2.1.4整合Redis、Jedis通过注解形式,进行简单的字符串数据类型的增删改查>/springboot-redis/.mvn/wrapper/MavenWrapperDownloader.java
/* 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) { System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'"); } finally { try { if(mavenWrapperPropertyFileInputStream != null) { mavenWrapperPropertyFileInputStream.close(); } } catch (IOException e) { // Ignore ... } } } System.out.println("- Downloading from: : " + url); File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH); if(!outputFile.getParentFile().exists()) { if(!outputFile.getParentFile().mkdirs()) { System.out.println( "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'"); } } System.out.println("- Downloading to: " + outputFile.getAbsolutePath()); try { downloadFileFromURL(url, outputFile); System.out.println("Done"); System.exit(0); } catch (Throwable e) { System.out.println("- Error downloading"); e.printStackTrace(); System.exit(1); } } private static void downloadFileFromURL(String urlString, File destination) throws Exception { URL website = new URL(urlString); ReadableByteChannel rbc; rbc = Channels.newChannel(website.openStream()); FileOutputStream fos = new FileOutputStream(destination); fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); fos.close(); rbc.close(); } }
最近下载更多
唐唐丶 LV33
2023年11月14日
西海岸之光 LV1
2022年12月30日
xiaoyuer2 LV8
2022年11月22日
飞梦ff LV8
2021年9月17日
whfuai LV14
2021年7月28日
shiopaaa LV13
2021年3月9日
build138 LV20
2020年12月22日
lcl20181212 LV3
2020年11月28日
Xuan Minister LV10
2020年9月17日
开心灬愉悦 LV9
2020年8月17日
最近浏览更多
唐唐丶 LV33
2023年11月14日
漫步的海星 LV4
2023年9月21日
woldxy LV12
2023年8月22日
西海岸之光 LV1
2022年12月30日
JiangYing009 LV8
2022年12月29日
xiaoyuer2 LV8
2022年11月22日
周粥周 LV3
2022年10月12日
北斗闪耀星空
2022年5月9日
暂无贡献等级
shaojichun LV4
2022年5月9日
微信网友_5866115102691328
2022年3月10日
暂无贡献等级