standardize reports

src/main/kotlin/com/jaredsburrows/license/LicenseReportTask.kt

@@ -254,7 +254,7 @@ open class LicenseReportTask : DefaultTask() { // tasks can't be final
       createNewFile()
 
       // Write report for file
-      bufferedWriter().use { it.write(HtmlReport(projects).string()) }
+      bufferedWriter().use { it.write(HtmlReport(projects).toString()) }
     }
 
     // Log output directory for user
@@ -272,7 +272,7 @@ open class LicenseReportTask : DefaultTask() { // tasks can't be final
       createNewFile()
 
       // Write report for file
-      bufferedWriter().use { it.write(JsonReport(projects).string()) }
+      bufferedWriter().use { it.write(JsonReport(projects).toString()) }
     }
 
     // Log output directory for user

src/main/kotlin/com/jaredsburrows/license/internal/pom/Project.kt

@@ -1,7 +1,7 @@
 package com.jaredsburrows.license.internal.pom
 
 /**
- * Represents the information that is used to make HTML and JSON reports.
+ * Represents the information that is used to make reports.
  *
  * @property name name of the library in the POM.
  * @property description description of the library in the POM.

src/main/kotlin/com/jaredsburrows/license/internal/report/HtmlReport.kt

@@ -30,13 +30,13 @@ import kotlinx.html.visit
  *
  * @property projects list of [Project]s for thr HTML report.
  */
-class HtmlReport(private val projects: List<Project>) {
+class HtmlReport(private val projects: List<Project>) : Report {
 
-  /** Return Html as a String. */
-  fun string(): String = if (projects.isEmpty()) noOpenSourceHtml() else openSourceHtml()
+  override fun toString(): String = report()
 
-  /** Html report when there are open source licenses. */
-  private fun openSourceHtml(): String {
+  override fun report(): String = if (projects.isEmpty()) emptyReport() else fullReport()
+
+  override fun fullReport(): String {
     val projectsMap = hashMapOf<String?, List<Project>>()
     val licenseMap = LicenseHelper.licenseMap
 
@@ -173,8 +173,7 @@ class HtmlReport(private val projects: List<Project>) {
       }.toString()
   }
 
-  /** Html report when there are no open source licenses. */
-  private fun noOpenSourceHtml(): String = StringBuilder()
+  override fun emptyReport(): String = StringBuilder()
     .appendHTML()
     .html {
       head {
@@ -204,8 +203,7 @@ class HtmlReport(private val projects: List<Project>) {
     } as String
   }
 
-  @HtmlTagMarker
-  private fun FlowOrInteractiveOrPhrasingContent.a(
+  @HtmlTagMarker private fun FlowOrInteractiveOrPhrasingContent.a(
     href: String? = null,
     target: String? = null,
     classes: String? = null,

src/main/kotlin/com/jaredsburrows/license/internal/report/JsonReport.kt

@@ -9,13 +9,13 @@ import com.jaredsburrows.license.internal.pom.Project
  *
  * @property projects list of [Project]s for thr JSON report.
  */
-class JsonReport(private val projects: List<Project>) {
+class JsonReport(private val projects: List<Project>) : Report {
 
-  /** Return Json as a [String]. */
-  fun string(): String = if (projects.isEmpty()) EMPTY_JSON else json()
+  override fun toString(): String = report()
 
-  /** Json report when there are open source licenses. */
-  private fun json(): String {
+  override fun report(): String = if (projects.isEmpty()) emptyReport() else fullReport()
+
+  override fun fullReport(): String {
     val reportList = projects.map { project ->
       // Handle multiple licenses
       val licensesJson = project.licenses.map { license ->
@@ -44,6 +44,8 @@ class JsonReport(private val projects: List<Project>) {
     return gson.toJson(reportList, object : TypeToken<MutableList<Map<String, Any?>>>() {}.type)
   }
 
+  override fun emptyReport(): String = EMPTY_JSON
+
   companion object {
     private const val PROJECT = "project"
     private const val DESCRIPTION = "description"

src/main/kotlin/com/jaredsburrows/license/internal/report/Report.kt

@@ -0,0 +1,18 @@
+package com.jaredsburrows.license.internal.report
+
+/**
+ * Used to be the base configuration for each report.
+ */
+interface Report {
+  /** Return a pretty print of the report. */
+  override fun toString(): String
+
+  /** Return the report with license or empty report if there are none. */
+  fun report(): String
+
+  /** Return the full report if are open source licenses are found. */
+  fun fullReport(): String
+
+  /** Return the empty report if no open source licenses are found. */
+  fun emptyReport(): String
+}

src/test/groovy/com/jaredsburrows/license/internal/report/HtmlReportSpec.groovy

@@ -14,13 +14,13 @@ final class HtmlReportSpec extends Specification {
     def report = new HtmlReport(projects)
 
     when:
-    def actual = report.string()
+    def actual = report.toString()
     def expected =
       """
       <html>
         <head>
           <style>
-            body { font-family: sans-serif } 
+            body { font-family: sans-serif }
             pre { background-color: #eeeeee; padding: 1em; white-space: pre-wrap; display: inline-block }
           </style>
           <title>Open source licenses</title>
@@ -59,7 +59,7 @@ final class HtmlReportSpec extends Specification {
     def sut = new HtmlReport(projects)
 
     when:
-    def actual = sut.string()
+    def actual = sut.toString()
     def expected =
       """
       <html>

src/test/groovy/com/jaredsburrows/license/internal/report/JsonReportSpec.groovy

@@ -14,7 +14,7 @@ final class JsonReportSpec extends Specification {
     def sut = new JsonReport(projects)
 
     when:
-    def actual = sut.string()
+    def actual = sut.toString()
     def expected =
       """
       []
@@ -35,7 +35,7 @@ final class JsonReportSpec extends Specification {
     def sut = new JsonReport(projects)
 
     when:
-    def actual = sut.string()
+    def actual = sut.toString()
     def expected =
       """
       [
@@ -88,7 +88,7 @@ final class JsonReportSpec extends Specification {
     def sut = new JsonReport(projects)
 
     when:
-    def actual = sut.string()
+    def actual = sut.toString()
     def expected =
       """
       [