add mq demo

Author: kimmking

09mq/pulsar/.gitignore

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+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

09mq/pulsar/.mvn/wrapper/MavenWrapperDownloader.java

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+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed 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.
+ */
+
+importjava.net.*;
+importjava.io.*;
+importjava.nio.channels.*;
+importjava.util.Properties;
+
+publicclassMavenWrapperDownloader{
+
+privatestaticfinalStringWRAPPER_VERSION = "0.5.6";
+/**
+ * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+ */
+privatestaticfinalStringDEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+ + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+/**
+ * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+ * use instead of the default one.
+ */
+privatestaticfinalStringMAVEN_WRAPPER_PROPERTIES_PATH =
+".mvn/wrapper/maven-wrapper.properties";
+
+/**
+ * Path where the maven-wrapper.jar will be saved to.
+ */
+privatestaticfinalStringMAVEN_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.
+ */
+privatestaticfinalStringPROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+publicstaticvoidmain(Stringargs[]){
+System.out.println("- Downloader started");
+FilebaseDirectory = newFile(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.
+FilemavenWrapperPropertyFile = newFile(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+Stringurl = DEFAULT_DOWNLOAD_URL;
+if (mavenWrapperPropertyFile.exists()){
+FileInputStreammavenWrapperPropertyFileInputStream = null;
+try{
+mavenWrapperPropertyFileInputStream = newFileInputStream(mavenWrapperPropertyFile);
+PropertiesmavenWrapperProperties = newProperties();
+mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+ } catch (IOExceptione){
+System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+ } finally{
+try{
+if (mavenWrapperPropertyFileInputStream != null){
+mavenWrapperPropertyFileInputStream.close();
+ }
+ } catch (IOExceptione){
+// Ignore ...
+ }
+ }
+ }
+System.out.println("- Downloading from: " + url);
+
+FileoutputFile = newFile(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+if (!outputFile.getParentFile().exists()){
+if (!outputFile.getParentFile().mkdirs()){
+System.out.println(
+"- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+ }
+ }
+System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+try{
+downloadFileFromURL(url, outputFile);
+System.out.println("Done");
+System.exit(0);
+ } catch (Throwablee){
+System.out.println("- Error downloading");
+e.printStackTrace();
+System.exit(1);
+ }
+ }
+
+privatestaticvoiddownloadFileFromURL(StringurlString, Filedestination) throwsException{
+if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null){
+Stringusername = System.getenv("MVNW_USERNAME");
+char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+Authenticator.setDefault(newAuthenticator(){
+@Override
+protectedPasswordAuthenticationgetPasswordAuthentication(){
+returnnewPasswordAuthentication(username, password);
+ }
+ });
+ }
+URLwebsite = newURL(urlString);
+ReadableByteChannelrbc;
+rbc = Channels.newChannel(website.openStream());
+FileOutputStreamfos = newFileOutputStream(destination);
+fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+fos.close();
+rbc.close();
+ }
+
+}

09mq/pulsar/.mvn/wrapper/maven-wrapper.jar

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+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar