Add debug logging

.github/workflows/bld.yml

@@ -9,12 +9,13 @@ env:
 
 jobs:
   build-bld-project:
-    runs-on: ubuntu-latest
-
     strategy:
       matrix:
         java-version: [17, 21, 24]
         kotlin-version: [1.9.25, 2.1.20]
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+
+    runs-on: ${{ matrix.os }}
 
     steps:
       - name: Checkout source repository
@@ -28,6 +29,19 @@ jobs:
           distribution: "zulu"
           java-version: ${{ matrix.java-version }}
 
+      - name: Download dependencies [bld example]
+        working-directory: examples/bld
+        run: ./bld download
+
+      - name: Compile and run [bld examples]
+        working-directory: examples/bld
+        run: ./bld compile run
+
+      - name: Run example [bld examples]
+        working-directory: examples/gradle
+        if: matrix.java-version != '24'
+        run: ./gradlew run
+
       - name: Download dependencies
         run: ./bld download
 
@@ -39,11 +53,12 @@ jobs:
 
       - name: Remove pom.xml
         if: success() && matrix.java-version == env.COVERAGE_JDK && matrix.kotlin-version == env.COVERAGE_KOTLIN
-        run: rm -rf pom.xml
+        run: rm -rf pom.xmlAdd debug logging
 
       - name: SonarCloud Scan
         uses: sonarsource/sonarcloud-github-action@master
         if: success() && matrix.java-version == env.COVERAGE_JDK && matrix.kotlin-version == env.COVERAGE_KOTLIN
+            && martix.os == 'unbuntu-latest'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}

src/main/kotlin/net/thauvin/erik/crypto/CryptoPrice.kt

@@ -42,6 +42,8 @@ import java.math.BigDecimal
 import java.text.NumberFormat
 import java.time.LocalDate
 import java.util.*
+import java.util.logging.Level
+import java.util.logging.Logger
 
 /**
  * Retrieves and holds a cryptocurrency price.
@@ -57,6 +59,9 @@ open class CryptoPrice(val base: String, val currency: String, val amount: BigDe
         // Coinbase API URL
         private const val COINBASE_API_URL = "https://api.coinbase.com/v2/"
 
+        /** The logger instance. **/
+        val logger: Logger by lazy { Logger.getLogger(CryptoPrice::class.java.simpleName) }
+
         /**
          * Converts JSON data object to [CryptoPrice].
          *
@@ -105,6 +110,9 @@ open class CryptoPrice(val base: String, val currency: String, val amount: BigDe
                     id = "empty_response",
                     message = "Empty response."
                 )
+                if (logger.isLoggable(Level.FINE)) {
+                    logger.fine(body)
+                }
                 try {
                     val json = JSONObject(body)
                     if (response.isSuccessful) {

src/test/kotlin/net/thauvin/erik/crypto/CryptoPriceTest.kt

@@ -42,9 +42,12 @@ import net.thauvin.erik.crypto.CryptoPrice.Companion.sellPrice
 import net.thauvin.erik.crypto.CryptoPrice.Companion.spotPrice
 import net.thauvin.erik.crypto.CryptoPrice.Companion.toPrice
 import org.json.JSONObject
+import org.junit.jupiter.api.BeforeAll
 import java.math.BigDecimal
 import java.time.LocalDate
 import java.util.*
+import java.util.logging.ConsoleHandler
+import java.util.logging.Level
 import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertFailsWith
@@ -239,4 +242,16 @@ class CryptoPriceTest {
         assertEquals(json, price.toString(), "toString()")
         assertEquals(price.toString(), price.toJson(""), "toString() = toJson('')")
     }
+
+    companion object {
+        @JvmStatic
+        @BeforeAll
+        fun beforeAll() {
+            with(CryptoPrice.logger) {
+                addHandler(ConsoleHandler().apply { level = Level.FINE })
+                level = Level.FINE
+                useParentHandlers = false
+            }
+        }
+    }
 }