Detects Java SE Threads usage (#794)

* Java SE Threads * Adds executor service
windup · Dec 7, 2022 · 1e2ab58 · 1e2ab58
1 parent e74e796
commit 1e2ab58
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diff --git a/rules/rules-reviewed/technology-usage/javase-technology-usage.windup.xml b/rules/rules-reviewed/technology-usage/javase-technology-usage.windup.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0"?>
+<ruleset id="technology-usage-javase" xmlns="http://windup.jboss.org/schema/jboss-ruleset" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://windup.jboss.org/schema/jboss-ruleset http://windup.jboss.org/schema/jboss-ruleset/windup-jboss-ruleset.xsd">
+    <metadata>
+        <description>
+            This ruleset provides statistical summaries of the Java SE APIs.
+        </description>
+        <dependencies>
+            <addon id="org.jboss.windup.rules,windup-rules-java,3.0.0.Final" />
+        </dependencies>
+        <phase>PostMigrationRulesPhase</phase>
+    </metadata>
+    <rules>
+        <!-- Threads -->
+        <rule id="javase-technology-usage-01000">
+            <when>
+                <graph-query discriminator="TechnologyTagModel">
+                    <property name="name">Java Threads</property>
+                </graph-query>
+            </when>
+            <perform>
+                <technology-identified name="Java Threads">
+                    <tag name="Execute"/>
+                    <tag name="Processing"/>
+                    <tag name="Java EE"/>
+                </technology-identified>
+            </perform>
+        </rule>
+    </rules>
+</ruleset>
diff --git a/rules/rules-reviewed/technology-usage/javase.windup.xml b/rules/rules-reviewed/technology-usage/javase.windup.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0"?>
+<ruleset
+    xmlns="http://windup.jboss.org/schema/jboss-ruleset" id="javase"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://windup.jboss.org/schema/jboss-ruleset http://windup.jboss.org/schema/jboss-ruleset/windup-jboss-ruleset.xsd">
+    <metadata>
+        <description>
+            This ruleset provides analysis of the Core Java SE APIs.
+        </description>
+        <dependencies>
+            <addon id="org.jboss.windup.rules,windup-rules-java,3.0.0.Final"/>
+        </dependencies>
+    </metadata>
+    <rules>
+        <!-- Threads -->
+        <rule id="javase-01000">
+            <when>
+                <javaclass references="java.lang.{classes}"/>
+            </when>
+            <perform>
+                <classification title="Threads" category-id="information" effort="0">
+                    <description>The application uses Thread APIs.</description>
+                </classification>
+                <technology-tag level="INFORMATIONAL">Java Threads</technology-tag>
+            </perform>
+            <where param="classes">
+                <matches pattern="(Thread|ThreadDeath|ThreadGroup|ThreadLocal|Runnable)"/>
+            </where>
+        </rule>
+        <rule id="javase-01100">
+            <when>
+                <javaclass references="java.util.concurrent.{classes}"/>
+            </when>
+            <perform>
+                <classification title="Threads" category-id="information" effort="0">
+                    <description>The application uses Concurrent Executors APIs.</description>
+                </classification>
+                <technology-tag level="INFORMATIONAL">Java Threads</technology-tag>
+            </perform>
+            <where param="classes">
+                <matches pattern="(ExecutorService|Executors|Executor|ScheduledExecutorService)"/>
+            </where>
+        </rule>
+    </rules>
+</ruleset>
diff --git a/rules/rules-reviewed/technology-usage/tests/data/javase/JavaSEExecutor.java b/rules/rules-reviewed/technology-usage/tests/data/javase/JavaSEExecutor.java
@@ -0,0 +1,9 @@
+package com.jboss.windup.test;
+
+import java.util.concurrent.Executor;
+
+public class Main implements Executor {
+    public void execute(Runnable r) {
+        r.run();
+    }
+}
diff --git a/rules/rules-reviewed/technology-usage/tests/data/javase/JavaSEThread.java b/rules/rules-reviewed/technology-usage/tests/data/javase/JavaSEThread.java
@@ -0,0 +1,15 @@
+package com.jboss.windup.test;
+
+public class Main extends Thread {
+
+    public static void main(String[] args) {
+
+        Main thread = new Main();
+        thread.start();
+        System.out.println("The thread inside the main method!!!");
+    }
+
+    public void run() {
+        System.out.println("The thread outside the main method!!");
+    }
+}
diff --git a/rules/rules-reviewed/technology-usage/tests/javase-technology-usage.windup.test.xml b/rules/rules-reviewed/technology-usage/tests/javase-technology-usage.windup.test.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0"?>
+<ruletest id="technology-usage-javase-test" xmlns="http://windup.jboss.org/schema/jboss-ruleset">
+    <testDataPath>data/javase/</testDataPath>
+    <rulePath>../javase.windup.xml</rulePath>
+    <rulePath>../javase-technology-usage.windup.xml</rulePath>
+    <ruleset>
+        <rules>
+            <rule id="javase-technology-usage-01000-test">
+                <when>
+                    <not>
+                        <technology-statistics-exists name="Java Threads" number-found="1">
+                            <tag name="Execute"/>
+                            <tag name="Processing"/>
+                            <tag name="Java EE"/>
+                        </technology-statistics-exists>
+                    </not>
+                </when>
+                <perform>
+                    <fail message="Java Threads Not Found" />
+                </perform>
+            </rule>
+        </rules>
+    </ruleset>
+</ruletest>