#1 skeleton

.gitattributes

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+# Check out all text files in UNIX format, with LF as end of line
+# Don't change this file. If you have any ideas about it, please
+# submit a separate issue about it and we'll discuss.
+
+* text=auto eol=lf
+*.java ident
+*.xml ident
+*.png binary

.github/workflows/codecov.yml

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+---
+name: codecov
+on:
+  push:
+    branches:
+      - master
+jobs:
+  codecov:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 11
+      - uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            maven-
+      - run: mvn install -Pjacoco
+      - uses: codecov/[email protected]
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: ./target/site/jacoco/jacoco.xml
+          fail_ci_if_error: true

.github/workflows/mvn.yml

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+---
+name: mvn
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+jobs:
+  mvn:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, macos-12, windows-2022]
+        java: [11, 17]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: ${{ matrix.java }}
+      - uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-jdk-${{ matrix.java }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-jdk-${{ matrix.java }}-maven-
+      - run: java -version
+      - run: mvn -version
+      - run: mvn --errors --batch-mode clean install -Pqulice

.github/workflows/pdd.yml

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+---
+name: pdd
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+jobs:
+  pdd:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: volodya-lombrozo/pdd-action@master

.github/workflows/up.yml

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+---
+name: up
+on:
+  push:
+jobs:
+  up:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - run: |-
+          git fetch --tags --force && \
+          latest=$(git tag --sort=creatordate | tail -1) && \
+          sed -E -i "s/<version>[^<]+/<version>${latest}/g" README.md
+      - uses: peter-evans/create-pull-request@v5
+        with:
+          commit-message: 'new version in README'
+          delete-branch: true
+          title: 'New version in README'
+          assignees: yegor256
+          branch: up
+          base: master

.github/workflows/xcop.yml

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+---
+name: xcop
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+jobs:
+  xcop:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: g4s8/xcop-action@master

.gitignore

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+target/
+.idea
+.DS_Store
+*.iml
+.project
+.settings
+.classpath
+.recommenders
+.mvn/wrapper/maven-wrapper.jar

.rultor.yml

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+docker:
+  image: yegor256/rultor-image:1.22.0
+assets:
+  settings.xml: yegor256/home#assets/jping/settings.xml
+  pubring.gpg: yegor256/home#assets/pubring.gpg
+  secring.gpg: yegor256/home#assets/secring.gpg
+install: |
+  pdd --file=/dev/null
+merge:
+  script: |
+    mvn clean install -Pqulice --errors -Dstyle.color=never
+release:
+  script: |-
+    [[ "${tag}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]] || exit -1
+    mvn versions:set "-DnewVersion=${tag}" -Dstyle.color=never
+    git commit -am "${tag}"
+    mvn clean install -Dinvoker.skip
+    mvn clean deploy -Pjping -Psonatype --errors --settings ../settings.xml -Dstyle.color=never

LICENSE.txt

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+The MIT License (MIT)
+
+Copyright (c) 2023 Yegor Bugayenko
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+[![EO principles respected here](https://www.elegantobjects.org/badge.svg)](https://www.elegantobjects.org)
+[![DevOps By Rultor.com](http://www.rultor.com/b/yegor256/jping)](http://www.rultor.com/p/yegor256/jping)
+[![We recommend IntelliJ IDEA](https://www.elegantobjects.org/intellij-idea.svg)](https://www.jetbrains.com/idea/)
+
+[![mvn](https://github.com/yegor256/jping/actions/workflows/mvn.yml/badge.svg)](https://github.com/yegor256/jping/actions/workflows/mvn.yml)
+[![PDD status](http://www.0pdd.com/svg?name=yegor256/jping)](http://www.0pdd.com/p?name=yegor256/jping)
+[![Maven Central](https://img.shields.io/maven-central/v/com.yegor256/jping.svg)](https://maven-badges.herokuapp.com/maven-central/com.yegor256/jping)
+[![Javadoc](http://www.javadoc.io/badge/com.yegor256/jping.svg)](http://www.javadoc.io/doc/com.yegor256/jping)
+[![codecov](https://codecov.io/gh/yegor256/jping/branch/master/graph/badge.svg)](https://codecov.io/gh/yegor256/jping)
+[![Hits-of-Code](https://hitsofcode.com/github/yegor256/jping)](https://hitsofcode.com/view/github/yegor256/jping)
+[![License](https://img.shields.io/badge/license-MIT-green.svg)](https://github.com/yegor256/jping/blob/master/LICENSE.txt)
+
+JUnit5 execution condition that checks whether a connection to public Internet is available.
+
+First, you add this to your `pom.xml`:
+
+```xml
+<dependency>
+  <groupId>com.yegor256</groupId>
+  <artifactId>jping</artifactId>
+  <version>0.0.0</version>
+</dependency>
+```
+
+Then, you use it like this:
+
+```java
+import com.yegor256.WeAreOnline;
+
+@ExtendWith(WeAreOnline.class)
+final class MyTest {
+  // Your test methods
+}
+```
+
+
+## How to Contribute
+
+Fork repository, make changes, send us a [pull request](https://www.yegor256.com/2014/04/15/github-guidelines.html).
+We will review your changes and apply them to the `master` branch shortly,
+provided they don't violate our quality standards. To avoid frustration,
+before sending us your pull request please run full Maven build:
+
+```bash
+$ mvn clean install -Pqulice
+```
+
+You will need Maven 3.3+ and Java 8+.

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+The MIT License (MIT)
+
+Copyright (c) 2023 Yegor Bugayenko
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>com.jcabi</groupId>
+    <artifactId>parent</artifactId>
+    <version>0.66.0</version>
+  </parent>
+  <groupId>com.yegor256</groupId>
+  <artifactId>jping</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>jar</packaging>
+  <name>jping</name>
+  <description>JUnit execution condition to check that we are online</description>
+  <url>https://github.com/yegor256/jping</url>
+  <inceptionYear>2023</inceptionYear>
+  <organization>
+    <name>yegor256</name>
+    <url>https://www.yegor256.com</url>
+  </organization>
+  <licenses>
+    <license>
+      <name>MIT</name>
+      <url>https://raw.githubusercontent.com/yegor256/jping/master/LICENSE.txt</url>
+      <distribution>site</distribution>
+    </license>
+  </licenses>
+  <repositories>
+    <repository>
+      <id>boom</id>
+      <url>file:///tmp/boom</url>
+      <snapshots>
+        <enabled>true</enabled>
+      </snapshots>
+    </repository>
+  </repositories>
+  <developers>
+    <developer>
+      <id>1</id>
+      <name>Yegor Bugayenko</name>
+      <email>[email protected]</email>
+      <organization>yegor256.com</organization>
+      <organizationUrl>https://www.yegor256.com</organizationUrl>
+      <roles>
+        <role>Architect</role>
+        <role>Developer</role>
+      </roles>
+      <timezone>+3</timezone>
+    </developer>
+  </developers>
+  <issueManagement>
+    <system>GitHub</system>
+    <url>https://github.com/yegor256/jping/issues</url>
+  </issueManagement>
+  <scm>
+    <connection>scm:git:[email protected]:yegor256/jping.git</connection>
+    <developerConnection>scm:git:[email protected]:yegor256/jping.git</developerConnection>
+    <url>https://github.com/yegor256/jping</url>
+  </scm>
+  <ciManagement>
+    <system>rultor</system>
+    <url>https://www.rultor.com/s/yegor256/jping</url>
+  </ciManagement>
+  <distributionManagement>
+    <site>
+      <id>github-pages</id>
+      <url>https://github.com/yegor256/jping</url>
+    </site>
+  </distributionManagement>
+  <dependencies>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <version>5.9.3</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.hamcrest</groupId>
+      <artifactId>hamcrest</artifactId>
+      <version>2.2</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-engine</artifactId>
+      <version>5.9.3</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  <profiles>
+    <profile>
+      <id>qulice</id>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>com.qulice</groupId>
+            <artifactId>qulice-maven-plugin</artifactId>
+            <version>0.22.0</version>
+            <configuration>
+              <excludes combine.children="append">
+                <exclude>duplicatefinder:.*</exclude>
+              </excludes>
+            </configuration>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+  </profiles>
+</project>

renovate.json

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+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base"
+  ]
+}