Merge pull request #391 from gradle/erichaagdev/java-tool-printing-cleanup

Java tool printing logic is simplified

Author: erichaagdev

components/fetch-build-scan-data-cmdline-tool/src/main/java/com/gradle/enterprise/cli/BuildInsightsPrinter.java

@@ -0,0 +1,54 @@
+package com.gradle.enterprise.cli;
+
+import com.gradle.enterprise.model.BuildScanData;
+import com.gradle.enterprise.model.BuildTimeMetrics;
+
+import java.util.List;
+import java.util.stream.Stream;
+
+import static java.util.stream.Collectors.joining;
+
+final class BuildInsightsPrinter {
+
+    static void printInsights(List<BuildScanData> buildScanData) {
+        printBuildScanDataHeader();
+        printBuildScanData(buildScanData);
+
+        if (buildScanData.size() == 2) {
+            printBuildTimeMetricsHeader();
+            printBuildTimeMetrics(buildScanData);
+        }
+    }
+
+    private static void printBuildScanDataHeader() {
+        printRow(BuildScanDataFields.ordered().map(f -> f.label));
+    }
+
+    private static void printBuildScanData(List<BuildScanData> buildScanData) {
+        buildScanData.forEach(BuildInsightsPrinter::printBuildScanData);
+    }
+
+    private static void printBuildScanData(BuildScanData buildScanData) {
+        printRow(BuildScanDataFields.ordered().map(f -> f.value.apply(buildScanData)));
+    }
+
+    private static void printBuildTimeMetricsHeader() {
+        printRow(BuildTimeMetricsFields.ordered().map(f -> f.label));
+    }
+
+    private static void printBuildTimeMetrics(List<BuildScanData> buildScanData) {
+        final BuildTimeMetrics buildTimeData = BuildTimeMetrics.from(buildScanData.get(0), buildScanData.get(1));
+        if (buildTimeData == null) {
+            printRow(BuildTimeMetricsFields.ordered().map(f -> ""));
+        } else {
+            printRow(BuildTimeMetricsFields.ordered().map(f -> f.value.apply(buildTimeData)));
+        }
+    }
+
+    private static void printRow(Stream<String> values) {
+        System.out.println(values.collect(joining(",")));
+    }
+
+    private BuildInsightsPrinter() {
+    }
+}

components/fetch-build-scan-data-cmdline-tool/src/main/java/com/gradle/enterprise/cli/FetchBuildScanDataCommand.java

@@ -2,7 +2,6 @@
 
 import com.gradle.enterprise.api.client.FailedRequestException;
 import com.gradle.enterprise.api.client.GradleEnterpriseApiClient;
-import com.gradle.enterprise.model.BuildTimeMetrics;
 import com.gradle.enterprise.model.BuildScanData;
 import com.gradle.enterprise.model.CustomValueNames;
 import com.gradle.enterprise.model.NumberedBuildScan;
@@ -71,7 +70,7 @@ public Integer call() {
         logFinishedFetchingAllBuildScanData();
         logFetchResults(buildScanData, customValueKeys);
 
-        printResults(buildScanData);
+        BuildInsightsPrinter.printInsights(buildScanData);
 
         return ExitCode.OK;
     }
@@ -174,46 +173,6 @@ private void logFetchResultFor(int runNum, String property, String customValueKe
         );
     }
 
-    private static void printResults(List<BuildScanData> buildScanData) {
-        printBuildScanDataHeader();
-        printBuildScanData(buildScanData);
-
-        if (buildScanData.size() == 2) {
-            printBuildTimeMetricsHeader();
-            printBuildTimeMetrics(buildScanData);
-        }
-    }
-
-    public static void printBuildScanDataHeader() {
-        List<String> labels = BuildScanDataFields.ordered().map(f -> f.label).collect(Collectors.toList());
-        System.out.println(String.join(",", labels));
-    }
-
-    private static void printBuildScanData(List<BuildScanData> buildScanData) {
-        buildScanData.forEach(FetchBuildScanDataCommand::printBuildScanData);
-    }
-
-    private static void printBuildScanData(BuildScanData buildScanData) {
-        List<String> values = BuildScanDataFields.ordered().map(f -> f.value.apply(buildScanData)).collect(Collectors.toList());
-        System.out.println(String.join(",", values));
-    }
-
-    private static void printBuildTimeMetricsHeader() {
-        List<String> labels = BuildTimeMetricsFields.ordered().map(f -> f.label).collect(Collectors.toList());
-        System.out.println(String.join(",", labels));
-    }
-
-    private static void printBuildTimeMetrics(List<BuildScanData> buildScanData) {
-        final BuildTimeMetrics buildTimeData = BuildTimeMetrics.from(buildScanData.get(0), buildScanData.get(1));
-        List<String> values;
-        if (buildTimeData == null) {
-            values = BuildTimeMetricsFields.ordered().map(f -> "").collect(Collectors.toList());
-        } else {
-            values = BuildTimeMetricsFields.ordered().map(f -> f.value.apply(buildTimeData)).collect(Collectors.toList());
-        }
-        System.out.println(String.join(",", values));
-    }
-
     private static String toOrdinal(int i) {
         switch(i + 1) {
             case 1: return "first";