From d3ba9f47efe8d5bb1cf160b356cb574ff94bb7cf Mon Sep 17 00:00:00 2001
From: Sandip Singh <sandip.03934@gmail.com>
Date: Fri, 23 Aug 2019 18:10:59 +0530
Subject: [PATCH] Bael 2989 (#7609)

* Added examples for building Java project with Bazel

* Added examples for building Java project with Bazel
---
 bazel/WORKSPACE                               | 31 +++++++++++++++++++
 bazel/bazelapp/BUILD                          |  7 +++++
 bazel/bazelapp/pom.xml                        | 28 +++++++++++++++++
 .../src/main/java/com/baeldung/BazelApp.java  | 15 +++++++++
 bazel/bazelgreeting/BUILD                     |  6 ++++
 bazel/bazelgreeting/pom.xml                   | 15 +++++++++
 .../src/main/java/com/baeldung/Greetings.java |  8 +++++
 bazel/pom.xml                                 | 20 ++++++++++++
 8 files changed, 130 insertions(+)
 create mode 100644 bazel/WORKSPACE
 create mode 100644 bazel/bazelapp/BUILD
 create mode 100644 bazel/bazelapp/pom.xml
 create mode 100644 bazel/bazelapp/src/main/java/com/baeldung/BazelApp.java
 create mode 100644 bazel/bazelgreeting/BUILD
 create mode 100644 bazel/bazelgreeting/pom.xml
 create mode 100644 bazel/bazelgreeting/src/main/java/com/baeldung/Greetings.java
 create mode 100644 bazel/pom.xml

diff --git a/bazel/WORKSPACE b/bazel/WORKSPACE
new file mode 100644
index 0000000000..415aa398f9
--- /dev/null
+++ b/bazel/WORKSPACE
@@ -0,0 +1,31 @@
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_jar")
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+
+RULES_JVM_EXTERNAL_TAG = "2.0.1"
+RULES_JVM_EXTERNAL_SHA = "55e8d3951647ae3dffde22b4f7f8dee11b3f70f3f89424713debd7076197eaca"
+
+http_archive(
+    name = "rules_jvm_external",
+    strip_prefix = "rules_jvm_external-%s" % RULES_JVM_EXTERNAL_TAG,
+    sha256 = RULES_JVM_EXTERNAL_SHA,
+    url = "https://github.com/bazelbuild/rules_jvm_external/archive/%s.zip" % RULES_JVM_EXTERNAL_TAG,
+)
+
+load("@rules_jvm_external//:defs.bzl", "maven_install")
+
+maven_install(
+    artifacts = [
+        "org.apache.commons:commons-lang3:3.9"
+    ],
+    repositories = [
+        "https://repo1.maven.org/maven2",
+    ]
+)
+
+http_jar (
+    name = "apache-commons-lang",
+    url = "https://repo1.maven.org/maven2/org/apache/commons/commons-lang3/3.9/commons-lang3-3.9.jar"
+)
+
diff --git a/bazel/bazelapp/BUILD b/bazel/bazelapp/BUILD
new file mode 100644
index 0000000000..1de95aada5
--- /dev/null
+++ b/bazel/bazelapp/BUILD
@@ -0,0 +1,7 @@
+
+java_binary (
+    name = "BazelApp",
+    srcs = glob(["src/main/java/com/baeldung/*.java"]),
+    main_class = "com.baeldung.BazelApp",
+    deps = ["//bazelgreeting:greeter", "@maven//:org_apache_commons_commons_lang3"]
+)
diff --git a/bazel/bazelapp/pom.xml b/bazel/bazelapp/pom.xml
new file mode 100644
index 0000000000..b8c658eaae
--- /dev/null
+++ b/bazel/bazelapp/pom.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <parent>
+        <artifactId>bazel</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>bazelapp</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.baeldung</groupId>
+            <artifactId>bazelgreeting</artifactId>
+            <version>1.0.0-SNAPSHOT</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.9</version>
+        </dependency>
+    </dependencies>
+
+
+</project>
\ No newline at end of file
diff --git a/bazel/bazelapp/src/main/java/com/baeldung/BazelApp.java b/bazel/bazelapp/src/main/java/com/baeldung/BazelApp.java
new file mode 100644
index 0000000000..e92d85018b
--- /dev/null
+++ b/bazel/bazelapp/src/main/java/com/baeldung/BazelApp.java
@@ -0,0 +1,15 @@
+package com.baeldung;
+
+import com.baeldung.Greetings;
+import org.apache.commons.lang3.StringUtils;
+
+public class BazelApp {
+
+    public static void main(String ... args) {
+        Greetings greetings = new Greetings();
+
+        System.out.println(greetings.greet("Bazel"));
+
+        System.out.println(StringUtils.lowerCase("Bazel"));
+    }
+}
diff --git a/bazel/bazelgreeting/BUILD b/bazel/bazelgreeting/BUILD
new file mode 100644
index 0000000000..6cd8bc13f7
--- /dev/null
+++ b/bazel/bazelgreeting/BUILD
@@ -0,0 +1,6 @@
+
+java_library (
+    name = "greeter",
+    srcs = glob(["src/main/java/com/baeldung/*.java"]),
+    visibility = ["//bazelapp:__pkg__"]
+)
diff --git a/bazel/bazelgreeting/pom.xml b/bazel/bazelgreeting/pom.xml
new file mode 100644
index 0000000000..d02cc02cae
--- /dev/null
+++ b/bazel/bazelgreeting/pom.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <parent>
+        <artifactId>bazel</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>bazelgreeting</artifactId>
+
+
+</project>
\ No newline at end of file
diff --git a/bazel/bazelgreeting/src/main/java/com/baeldung/Greetings.java b/bazel/bazelgreeting/src/main/java/com/baeldung/Greetings.java
new file mode 100644
index 0000000000..0e8fae7fbe
--- /dev/null
+++ b/bazel/bazelgreeting/src/main/java/com/baeldung/Greetings.java
@@ -0,0 +1,8 @@
+package com.baeldung;
+
+public class Greetings {
+
+    public String greet(String name) {
+        return "Hello ".concat(name);
+    }
+}
diff --git a/bazel/pom.xml b/bazel/pom.xml
new file mode 100644
index 0000000000..7350d1dbe4
--- /dev/null
+++ b/bazel/pom.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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">
+    <parent>
+        <artifactId>parent-modules</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>bazel</artifactId>
+    <packaging>pom</packaging>
+    <modules>
+        <module>bazelgreeting</module>
+        <module>bazelapp</module>
+    </modules>
+
+
+</project>
\ No newline at end of file