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feat: add version and deployment timestamp #2

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merged 1 commit into from
May 29, 2024
Merged

feat: add version and deployment timestamp #2

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15 changes: 14 additions & 1 deletion pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,12 +4,15 @@
<groupId>bcgov.example</groupId>
<artifactId>java-maven-pipeline-example</artifactId>
<packaging>war</packaging>
<version>1.0.0-SNAPSHOT</version>
<version>1.0.1-SNAPSHOT</version>
<name>java-maven-pipeline-example</name>
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
</properties>

<repositories>
<repository>
<id>central</id>
Expand All @@ -27,14 +30,22 @@
<url>https://apps.nrs.gov.bc.ca/nexus/content/groups/public/</url>
</repository>
</repositories>

<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
</dependencies>

<build>
<plugins>
<!-- Maven Compiler Plugin -->
Expand All @@ -47,6 +58,7 @@
<target>1.8</target> <!-- Change as needed -->
</configuration>
</plugin>

<!-- Maven dependency Plugin -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
Expand Down Expand Up @@ -82,6 +94,7 @@
</plugin>
</plugins>
</build>

<profiles>
<profile>
<id>github</id>
Expand Down
22 changes: 22 additions & 0 deletions src/main/java/com/example/DeploymentTimestampListener.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
package com.example;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

@WebListener
public class DeploymentTimestampListener implements ServletContextListener {

@Override
public void contextInitialized(ServletContextEvent sce) {
String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
sce.getServletContext().setAttribute("deploymentTimestamp", timestamp);
}

@Override
public void contextDestroyed(ServletContextEvent sce) {
// No need to handle
}
}
3 changes: 3 additions & 0 deletions src/main/webapp/WEB-INF/web.xml
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Expand Up @@ -4,4 +4,7 @@

<web-app>
<display-name>Web Application for testing</display-name>
<listener>
<listener-class>com.example.DeploymentTimestampListener</listener-class>
</listener>
</web-app>
26 changes: 26 additions & 0 deletions src/main/webapp/index.jsp
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Original file line number Diff line number Diff line change
@@ -1,5 +1,31 @@
<%@ page import="java.io.InputStream" %>
<%@ page import="javax.xml.parsers.DocumentBuilderFactory" %>
<%@ page import="javax.xml.xpath.XPath" %>
<%@ page import="javax.xml.xpath.XPathConstants" %>
<%@ page import="javax.xml.xpath.XPathFactory" %>
<%@ page import="org.w3c.dom.Document" %>
<%@ page import="org.w3c.dom.Node" %>
<%
String version = "N/A";
try (InputStream input = getServletContext().getResourceAsStream("/META-INF/maven/bcgov.example/java-maven-pipeline-example/pom.xml")) {
if (input != null) {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
Document doc = factory.newDocumentBuilder().parse(input);
XPath xpath = XPathFactory.newInstance().newXPath();
Node versionNode = (Node) xpath.evaluate("/project/version", doc, XPathConstants.NODE);
if (versionNode != null) {
version = versionNode.getTextContent();
}
}
} catch (Exception e) {
e.printStackTrace();
}
String timestamp = (String) application.getAttribute("deploymentTimestamp");
%>
<html>
<body>
<h2>Hello World!</h2>
<p>Version: <%= version %></p>
<p>Deployed at: <%= timestamp %></p>
</body>
</html>