Add bal scan rule for configurable variables

changelog.md

@@ -5,6 +5,7 @@ This file contains all the notable changes done to the Ballerina TCP package thr
 
 ### Added
 - [Support logging raw template value in log APIs](https://github.com/ballerina-platform/ballerina-library/issues/3331)
+- [Add static code rules](https://github.com/ballerina-platform/ballerina-library/issues/7283)
 
 ## [2.5.1] - 2023-01-04
 

.gitignore

@@ -42,3 +42,5 @@ integration-tests/Dependencies.toml
 # Ballerina
 velocity.log*
 *Ballerina.lock
+
+compiler-plugin-tests/**/target

ballerina/Ballerina.toml

@@ -1,7 +1,7 @@
 [package]
 org = "ballerina"
 name = "log"
-version = "2.11.0"
+version = "2.11.1"
 authors = ["Ballerina"]
 keywords = ["level", "format"]
 repository = "https://github.com/ballerina-platform/module-ballerina-log"
@@ -15,12 +15,18 @@ graalvmCompatible = true
 [[platform.java21.dependency]]
 groupId = "io.ballerina.stdlib"
 artifactId = "log-native"
-version = "2.11.0"
-path = "../native/build/libs/log-native-2.11.0.jar"
+version = "2.11.1"
+path = "../native/build/libs/log-native-2.11.1-SNAPSHOT.jar"
+
+[[platform.java21.dependency]]
+groupId = "io.ballerina.stdlib"
+artifactId = "log-compiler-plugin"
+version = "2.11.1"
+path = "../compiler-plugin/build/libs/log-compiler-plugin-2.11.1-SNAPSHOT.jar"
 
 [[platform.java21.dependency]]
 groupId = "io.ballerina.stdlib"
 artifactId = "log-test-utils"
-version = "2.11.0"
-path = "../test-utils/build/libs/log-test-utils-2.11.0.jar"
+version = "2.11.1"
+path = "../test-utils/build/libs/log-test-utils-2.11.1-SNAPSHOT.jar"
 scope = "testOnly"

ballerina/CompilerPlugin.toml

@@ -1,6 +1,6 @@
 [plugin]
 id = "log-compiler-plugin"
-class = "io.ballerina.stdlib.log.plugin.LogCompilerPlugin"
+class = "io.ballerina.stdlib.log.compiler.LogCompilerPlugin"
 
 [[dependency]]
-path = "../compiler-plugin/build/libs/log-compiler-plugin-2.11.0.jar"
+path = "../compiler-plugin/build/libs/log-compiler-plugin-2.11.1-SNAPSHOT.jar"

ballerina/Dependencies.toml

@@ -76,7 +76,7 @@ modules = [
 [[package]]
 org = "ballerina"
 name = "log"
-version = "2.11.0"
+version = "2.11.1"
 dependencies = [
 	{org = "ballerina", name = "io"},
 	{org = "ballerina", name = "jballerina.java"},

build-config/resources/Ballerina.toml

@@ -18,6 +18,12 @@ artifactId = "log-native"
 version = "@toml.version@"
 path = "../native/build/libs/log-native-@project.version@.jar"
 
+[[platform.java21.dependency]]
+groupId = "io.ballerina.stdlib"
+artifactId = "log-compiler-plugin"
+version = "@toml.version@"
+path = "../compiler-plugin/build/libs/log-compiler-plugin-@project.version@.jar"
+
 [[platform.java21.dependency]]
 groupId = "io.ballerina.stdlib"
 artifactId = "log-test-utils"

build-config/resources/CompilerPlugin.toml

@@ -1,6 +1,6 @@
 [plugin]
 id = "log-compiler-plugin"
-class = "io.ballerina.stdlib.log.plugin.LogCompilerPlugin"
+class = "io.ballerina.stdlib.log.compiler.LogCompilerPlugin"
 
 [[dependency]]
 path = "../compiler-plugin/build/libs/log-compiler-plugin-@project.version@.jar"

compiler-plugin-tests/build.gradle

@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2025, WSO2 LLC. (http://www.wso2.org).
+ *
+ * WSO2 LLC. licenses this file to you 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.
+ */
+
+plugins {
+    id 'java'
+    id 'checkstyle'
+    id 'com.github.spotbugs'
+}
+
+description = 'Ballerina - Cache Compiler Plugin Tests'
+
+dependencies {
+    checkstyle project(':checkstyle')
+    checkstyle "com.puppycrawl.tools:checkstyle:${checkstylePluginVersion}"
+
+    implementation project(':log-compiler-plugin')
+
+    testImplementation group: 'org.ballerinalang', name: 'ballerina-lang', version: "${ballerinaLangVersion}"
+    testImplementation group: 'org.ballerinalang', name: 'ballerina-tools-api', version: "${ballerinaLangVersion}"
+    testImplementation group: 'org.ballerinalang', name: 'ballerina-parser', version: "${ballerinaLangVersion}"
+
+    implementation group: 'org.testng', name: 'testng', version: "${testngVersion}"
+}
+
+tasks.withType(JavaCompile) {
+    options.encoding = 'UTF-8'
+}
+
+sourceCompatibility = JavaVersion.VERSION_21
+
+test {
+    systemProperty "ballerina.offline.flag", "true"
+    useTestNG() {
+        suites 'src/test/resources/testng.xml'
+    }
+    testLogging.showStandardStreams = true
+    testLogging {
+        events "PASSED", "FAILED", "SKIPPED"
+        afterSuite { desc, result ->
+            if (!desc.parent) { // will match the outermost suite
+                def output = "Results: ${result.resultType} (${result.testCount} tests, ${result.successfulTestCount} successes, ${result.failedTestCount} failures, ${result.skippedTestCount} skipped)"
+                def startItem = '|  ', endItem = '  |'
+                def repeatLength = startItem.length() + output.length() + endItem.length()
+                println('\n' + ('-' * repeatLength) + '\n' + startItem + output + endItem + '\n' + ('-' * repeatLength))
+            }
+        }
+    }
+}
+
+spotbugsTest {
+    def classLoader = plugins["com.github.spotbugs"].class.classLoader
+    def SpotBugsConfidence = classLoader.findLoadedClass("com.github.spotbugs.snom.Confidence")
+    def SpotBugsEffort = classLoader.findLoadedClass("com.github.spotbugs.snom.Effort")
+    ignoreFailures = true
+    effort = SpotBugsEffort.MAX
+    reportLevel = SpotBugsConfidence.LOW
+    reportsDir = file("$project.buildDir/reports/spotbugs")
+    def excludeFile = file("${rootDir}/build-config/spotbugs-exclude.xml")
+    if (excludeFile.exists()) {
+        it.excludeFilter = excludeFile
+    }
+    reports {
+        text.enabled = true
+    }
+}
+
+spotbugsMain {
+    enabled false
+}
+
+task validateSpotbugs() {
+    doLast {
+        if (spotbugsMain.reports.size() > 0 &&
+                spotbugsMain.reports[0].destination.exists() &&
+                spotbugsMain.reports[0].destination.text.readLines().size() > 0) {
+            spotbugsMain.reports[0].destination?.eachLine {
+                println 'Failure: ' + it
+            }
+            throw new GradleException("Spotbugs rule violations were found.");
+        }
+    }
+}
+
+tasks.withType(Checkstyle) {
+    exclude '**/module-info.java'
+}
+
+checkstyle {
+    toolVersion "${project.checkstylePluginVersion}"
+    configFile rootProject.file("build-config/checkstyle/build/checkstyle.xml")
+    configProperties = ["suppressionFile": file("${rootDir}/build-config/checkstyle/build/suppressions.xml")]
+}
+
+checkstyleMain {
+    enabled false
+}
+
+spotbugsTest.finalizedBy validateSpotbugs
+checkstyleTest.dependsOn ':checkstyle:downloadCheckstyleRuleFiles'
+
+compileJava {
+    doFirst {
+        options.compilerArgs = [
+                '--module-path', classpath.asPath,
+        ]
+        classpath = files()
+    }
+}
+
+test.dependsOn ":log-ballerina:build"
+build.dependsOn ":log-ballerina:build"

compiler-plugin-tests/src/test/java/io/ballerina/stdlib/log/compiler/staticcodeanalyzer/ProcessOutputGobbler.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2025, WSO2 LLC. (http://www.wso2.org).
+ *
+ * WSO2 LLC. licenses this file to you 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.
+ */
+
+package io.ballerina.stdlib.log.compiler.staticcodeanalyzer;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+
+/**
+ * Helper class to consume the process streams.
+ */
+class ProcessOutputGobbler implements Runnable {
+    private final InputStream inputStream;
+    private final StringBuilder output;
+    private int exitCode;
+
+    public ProcessOutputGobbler(InputStream inputStream) {
+        this.inputStream = inputStream;
+        this.output = new StringBuilder();
+    }
+
+    @Override
+    public void run() {
+        try (BufferedReader reader = new BufferedReader(
+                new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                output.append(line).append("\n");
+            }
+        } catch (IOException e) {
+            this.output.append(e.getMessage());
+        }
+    }
+
+    public String getOutput() {
+        return output.toString();
+    }
+
+    public int getExitCode() {
+        return exitCode;
+    }
+
+    public void setExitCode(int exitCode) {
+        this.exitCode = exitCode;
+    }
+}