From 72c80bdb021cca4fbb679412f0d333765529fdca Mon Sep 17 00:00:00 2001
From: Oleksandr Vayda <oleksandr.vayda@gmail.com>
Date: Sat, 29 Jul 2023 23:34:45 +0200
Subject: [PATCH] issue #726 New scripts to run examples - greatly simplified,
 no Maven or Ant dependency.

---
 examples/pom.xml         |  60 +++++++----------------
 examples/run-example.xml | 102 ---------------------------------------
 examples/run.cmd         |  38 +++++++++++++++
 examples/run.sh          |  36 ++++++++++++++
 4 files changed, 91 insertions(+), 145 deletions(-)
 delete mode 100644 examples/run-example.xml
 create mode 100644 examples/run.cmd
 create mode 100755 examples/run.sh

diff --git a/examples/pom.xml b/examples/pom.xml
index 902b6871..fe15d3d1 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -94,53 +94,27 @@
                     </excludes>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <version>3.6.0</version>
+                <executions>
+                    <execution>
+                        <id>copy-dependencies</id>
+                        <phase>prepare-package</phase>
+                        <goals>
+                            <goal>copy-dependencies</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>${project.build.directory}/libs</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 
     <profiles>
-        <profile>
-            <id>examples</id>
-            <properties>
-                <skipTests>true</skipTests>
-            </properties>
-            <build>
-                <plugins>
-                    <plugin>
-                        <artifactId>maven-antrun-plugin</artifactId>
-                        <executions>
-                            <execution>
-                                <phase>test</phase>
-                                <goals>
-                                    <goal>run</goal>
-                                </goals>
-                                <configuration>
-                                    <target>
-                                        <property name="classpath" refid="maven.runtime.classpath" />
-                                        <ant antfile="${basedir}/run-example.xml">
-                                            <target name="main" />
-                                        </ant>
-                                    </target>
-                                </configuration>
-                            </execution>
-                        </executions>
-                        <dependencies>
-                            <dependency>
-                                <groupId>ant-contrib</groupId>
-                                <artifactId>ant-contrib</artifactId>
-                                <version>1.0b3</version>
-                                <exclusions>
-                                    <exclusion>
-                                        <artifactId>ant</artifactId>
-                                        <groupId>ant</groupId>
-                                    </exclusion>
-                                </exclusions>
-                            </dependency>
-                        </dependencies>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-
         <profile>
             <id>google</id>
             <!-- the profile is required to run `BigQueryExample` -->
diff --git a/examples/run-example.xml b/examples/run-example.xml
deleted file mode 100644
index a2263638..00000000
--- a/examples/run-example.xml
+++ /dev/null
@@ -1,102 +0,0 @@
-<!--
-  ~ Copyright 2019 ABSA Group Limited
-  ~
-  ~ 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
-  ~
-  ~     http://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.
-  -->
-
-<project name="Spline example runner">
-    <taskdef resource="net/sf/antcontrib/antcontrib.properties"/>
-
-    <target name="main">
-
-        <condition property="spline.producer.url"
-                   value="${spline.producer.url}"
-                   else="http://localhost:8080/producer">
-            <isset property="spline.producer.url"/>
-        </condition>
-
-        <condition property="spline.mode"
-                   value="${spline.mode}"
-                   else="ENABLED">
-            <isset property="spline.mode"/>
-        </condition>
-
-        <if>
-            <isset property="exampleClass"/>
-            <then>
-                <antcall target="runClass">
-                    <param name="className" value="${exampleClass}"/>
-                </antcall>
-            </then>
-            <else>
-                <antcall target="runAll"/>
-            </else>
-        </if>
-    </target>
-
-    <target name="runAll">
-        <foreach target="runFile" param="classFile">
-            <param name="classpath" value="${classpath}"/>
-            <param name="spline.producer.url" value="${spline.producer.url}"/>
-            <param name="spline.mode" value="${spline.mode}"/>
-
-            <fileset dir="${basedir}" casesensitive="yes">
-                <include name="**/example/**/*Job.class"/>
-            </fileset>
-        </foreach>
-    </target>
-
-    <target name="runFile">
-        <propertyregex property="className"
-                       input="${classFile}"
-                       regexp=".+[/\\]target[/\\]classes[/\\]za[/\\]co[/\\]absa[/\\]spline[/\\](?:[^/\\]+[/\\])*([^/\\]+)[/\\](.+)\.class"
-                       select="za.co.absa.spline.example.\1.\2"
-                       casesensitive="true"/>
-
-        <antcall target="runClass"/>
-    </target>
-
-    <target name="runClass">
-        <echo message="Running ${className}"/>
-
-        <propertyset id="spline-props">
-            <propertyref prefix="spline."/>
-        </propertyset>
-
-        <propertyset id="spark-props">
-            <propertyref prefix="spark."/>
-        </propertyset>
-
-        <propertyset id="proxy-props">
-            <propertyref prefix="http."/>
-            <propertyref prefix="https."/>
-        </propertyset>
-
-        <propertyset id="props">
-            <propertyset refid="spline-props"/>
-            <propertyset refid="spark-props"/>
-            <propertyset refid="proxy-props"/>
-        </propertyset>
-
-        <echoproperties>
-            <propertyset refid="props"/>
-        </echoproperties>
-
-        <java fork="true"
-              failonerror="true"
-              classname="${className}"
-              classpath="${classpath}">
-            <syspropertyset refid="props"/>
-        </java>
-    </target>
-</project>
diff --git a/examples/run.cmd b/examples/run.cmd
new file mode 100644
index 00000000..c989f8b6
--- /dev/null
+++ b/examples/run.cmd
@@ -0,0 +1,38 @@
+@echo off
+
+:: Ensure we have at least one parameter (the class name)
+IF "%~1"=="" (
+    echo Usage: %~nx0 [--all ^| full.class.Name] [-jvm-option]...
+    echo    --all            run all examples.
+    echo    full.class.Name  fully qualified class name to run.
+    echo    -jvm-option      options and values passed to the java command.
+    exit /b
+)
+
+:: Build the classpath
+setlocal enabledelayedexpansion
+for /r target\libs %%g in (*.jar) do (
+    set CLASSPATH=!CLASSPATH!;%%g
+)
+set CLASSPATH=target\classes%CLASSPATH%
+
+:: Run the java processes
+if /I "%~1"=="--all" (
+    for /r target\classes %%g in (*Job.class) do (
+        set "file=%%~g"
+        setlocal enabledelayedexpansion
+        set "class=!file:target\classes\=!"
+        set "class=!class:\=.!"
+        set "class=!class:.class=!"
+        echo =======================================================================
+        echo Running !class!
+        echo =======================================================================
+        java %*:~2 -cp "!CLASSPATH!" "!class!"
+        endlocal
+    )
+) else (
+    echo =======================================================================
+    echo Running %~1
+    echo =======================================================================
+    java %*:~2 -cp "%CLASSPATH%" "%~1"
+)
diff --git a/examples/run.sh b/examples/run.sh
new file mode 100755
index 00000000..fb6fb218
--- /dev/null
+++ b/examples/run.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+
+function ctrl_c() {
+    echo 'Script interrupted by user'
+    trap - SIGINT SIGTERM ## Clear the trap
+    kill -- -$$ ## Sends SIGTERM to child/sub processes
+}
+
+print_line() {
+    echo -e "\e[1m=======================================================================\e[0m"
+    echo -e "\e[1mRunning $1 \e[0m"
+    echo -e "\e[1m=======================================================================\e[0m"
+}
+
+if [ $# -eq 0 ]; then
+  echo "Usage: $0 [--all | full.class.Name] [-jvm-option]..."
+  echo "  --all            run all examples."
+  echo "  full.class.Name  fully qualified class name to run."
+  echo "  -jvm-option      options and values passed to the java command."
+  exit 1
+fi
+
+trap ctrl_c SIGINT SIGTERM
+
+CLASSPATH=target/classes:$(echo target/libs/*.jar | tr ' ' ':')
+
+if [ "$1" = "--all" ]; then
+  while IFS= read -r -d '' file; do
+    class=$(echo "${file#target/classes/}" | sed 's/\//./g' | sed 's/\.class$//')
+    print_line "$class"
+    java "${@:2}" -cp "$CLASSPATH" "$class"
+  done < <(find target/classes -type f -name "*Job.class" -print0 | sort -z)
+else
+  print_line "$1"
+  java "${@:2}" -cp "$CLASSPATH" "$1"
+fi