Add support for additional columns

src/main/scala/sbtlicensereport/SbtLicenseReport.scala

@@ -16,7 +16,9 @@ object SbtLicenseReport extends AutoPlugin {
     type TargetLanguage = sbtlicensereport.license.TargetLanguage
     type LicenseReportConfiguration = sbtlicensereport.license.LicenseReportConfiguration
     type DepModuleInfo = sbtlicensereport.license.DepModuleInfo
+    type Column = sbtlicensereport.license.Column
     val DepModuleInfo = sbtlicensereport.license.DepModuleInfo
+    val Column = sbtlicensereport.license.Column
     def LicenseReportConfiguration = sbtlicensereport.license.LicenseReportConfiguration
     def Html = sbtlicensereport.license.Html
     def MarkDown = sbtlicensereport.license.MarkDown
@@ -34,6 +36,8 @@ object SbtLicenseReport extends AutoPlugin {
     val dumpLicenseReportAnyProject = taskKey[File](
       "Dumps a report file against all projects of the license report (using the target language) and combines it into a single file."
     )
+    val licenseReportColumns =
+      settingKey[Seq[Column]]("Additional columns to be added to the final report")
     val licenseReportDir = settingKey[File]("The location where we'll write the license reports.")
     val licenseReportStyleRules = settingKey[Option[String]]("The style rules for license report styling.")
     val licenseReportTitle = settingKey[String]("The name of the license report.")
@@ -75,12 +79,14 @@ object SbtLicenseReport extends AutoPlugin {
         val ignore = update.value
         val overrides = licenseOverrides.value.lift
         val depExclusions = licenseDepExclusions.value.lift
+        val originatingModule = DepModuleInfo(organization.value, name.value, version.value)
         license.LicenseReport.makeReport(
           ivyModule.value,
           licenseConfigurations.value,
           licenseSelection.value,
           overrides,
           depExclusions,
+          originatingModule,
           streams.value.log
         )
       },
@@ -101,7 +107,8 @@ object SbtLicenseReport extends AutoPlugin {
           notesLookup,
           licenseFilter.value,
           dir,
-          styleRules
+          styleRules,
+          licenseReportColumns.value
         )
         Seq(config)
       },
@@ -137,6 +144,7 @@ object SbtLicenseReport extends AutoPlugin {
     licenseDepExclusions := PartialFunction.empty,
     licenseFilter := TypeFunctions.const(true),
     licenseReportStyleRules := None,
-    licenseReportTypes := Seq(MarkDown, Html, Csv)
+    licenseReportTypes := Seq(MarkDown, Html, Csv),
+    licenseReportColumns := Seq(Column.Category, Column.License, Column.Dependency)
   )
 }

src/main/scala/sbtlicensereport/license/Column.scala

@@ -0,0 +1,48 @@
+package sbtlicensereport.license
+
+trait Column {
+  def columnName: String
+
+  def render(depLicense: DepLicense, language: TargetLanguage): String
+}
+
+object Column {
+  case object Category extends Column {
+    override val columnName: String = "Category"
+
+    override def render(depLicense: DepLicense, language: TargetLanguage): String =
+      depLicense.license.category.name
+  }
+
+  case object License extends Column {
+    override val columnName: String = "License"
+
+    override def render(depLicense: DepLicense, language: TargetLanguage): String =
+      language.createHyperLink(depLicense.license.url, depLicense.license.name)
+  }
+
+  case object Dependency extends Column {
+    override val columnName: String = "Dependency"
+
+    override def render(depLicense: DepLicense, language: TargetLanguage): String =
+      depLicense.homepage match {
+        case None      => depLicense.module.toString
+        case Some(url) => language.createHyperLink(url.toExternalForm, depLicense.module.toString)
+      }
+  }
+
+  case object Configuration extends Column {
+    override val columnName: String = "Maven/Ivy Configurations"
+
+    override def render(depLicense: DepLicense, language: TargetLanguage): String = {
+      depLicense.configs.mkString(",")
+    }
+  }
+
+  case object OriginatingArtifactName extends Column {
+    override val columnName: String = "Originating Artifact"
+
+    override def render(depLicense: DepLicense, language: TargetLanguage): String =
+      depLicense.originatingModule.name
+  }
+}

src/main/scala/sbtlicensereport/license/LicenseReport.scala

@@ -10,7 +10,13 @@ import sbtlicensereport.SbtCompat._
 case class DepModuleInfo(organization: String, name: String, version: String) {
   override def toString = s"${organization} # ${name} # ${version}"
 }
-case class DepLicense(module: DepModuleInfo, license: LicenseInfo, homepage: Option[URL], configs: Set[String]) {
+case class DepLicense(
+    module: DepModuleInfo,
+    license: LicenseInfo,
+    homepage: Option[URL],
+    configs: Set[String],
+    originatingModule: DepModuleInfo
+) {
   override def toString =
     s"$module ${homepage.map(url => s" from $url")} on $license in ${configs.mkString("(", ",", ")")}"
 }
@@ -54,18 +60,17 @@ object LicenseReport {
       withPrintableFile(reportFile) { print =>
         print(language.documentStart(title, reportStyleRules))
         print(makeHeader(language))
-        print(language.tableHeader("Category", "License", "Dependency", "Notes"))
+        print(language.tableHeader("Notes", config.licenseReportColumns.map(_.columnName): _*))
         val rendered = (ordered map { dep =>
-          val licenseLink = language.createHyperLink(dep.license.url, dep.license.name)
-          val moduleLink = dep.homepage match {
-            case None      => dep.module.toString
-            case Some(url) => language.createHyperLink(url.toExternalForm, dep.module.toString)
-          }
-          (dep.license.category.name, licenseLink, moduleLink, notes(dep.module) getOrElse "")
+          val notesRendered = notes(dep.module) getOrElse ""
+          (
+            notesRendered,
+            config.licenseReportColumns map (_.render(dep, language))
+          )
         }).distinct
 
-        for ((name, licenseLink, moduleLink, notes) <- rendered) {
-          print(language.tableRow(name, licenseLink, moduleLink, notes))
+        for ((notes, rest) <- rendered) {
+          print(language.tableRow(notes, rest: _*))
         }
         print(language.tableEnd)
         print(language.documentEnd)
@@ -84,11 +89,12 @@ object LicenseReport {
       licenseSelection: Seq[LicenseCategory],
       overrides: DepModuleInfo => Option[LicenseInfo],
       exclusions: DepModuleInfo => Option[Boolean],
+      originatingModule: DepModuleInfo,
       log: Logger
   ): LicenseReport = {
     val (report, err) = resolve(module, log)
     err foreach (x => throw x) // Bail on error
-    makeReportImpl(report, configs, licenseSelection, overrides, exclusions, log)
+    makeReportImpl(report, configs, licenseSelection, overrides, exclusions, originatingModule, log)
   }
 
   /**
@@ -118,7 +124,8 @@ object LicenseReport {
   private def pickLicenseForDep(
       dep: IvyNode,
       configs: Set[String],
-      categories: Seq[LicenseCategory]
+      categories: Seq[LicenseCategory],
+      originatingModule: DepModuleInfo
   ): Option[DepLicense] =
     for {
       d <- Option(dep)
@@ -138,17 +145,24 @@ object LicenseReport {
             .apply(Some(url(loc)))
         )
       // TODO - grab configurations.
-    } yield DepLicense(getModuleInfo(dep), pickLicense(categories)(licenses), homepage, filteredConfigs)
+    } yield DepLicense(
+      getModuleInfo(dep),
+      pickLicense(categories)(licenses),
+      homepage,
+      filteredConfigs,
+      originatingModule
+    )
 
   private def getLicenses(
       report: ResolveReport,
       configs: Set[String] = Set.empty,
-      categories: Seq[LicenseCategory] = LicenseCategory.all
+      categories: Seq[LicenseCategory] = LicenseCategory.all,
+      originatingModule: DepModuleInfo
   ): Seq[DepLicense] = {
     import collection.JavaConverters._
     for {
       dep <- report.getDependencies.asInstanceOf[java.util.List[IvyNode]].asScala
-      report <- pickLicenseForDep(dep, configs, categories)
+      report <- pickLicenseForDep(dep, configs, categories, originatingModule)
     } yield report
   }
 
@@ -158,9 +172,10 @@ object LicenseReport {
       categories: Seq[LicenseCategory],
       overrides: DepModuleInfo => Option[LicenseInfo],
       exclusions: DepModuleInfo => Option[Boolean],
+      originatingModule: DepModuleInfo,
       log: Logger
   ): LicenseReport = {
-    val licenses = getLicenses(report, configs, categories) filterNot { dep =>
+    val licenses = getLicenses(report, configs, categories, originatingModule) filterNot { dep =>
       exclusions(dep.module).getOrElse(false)
     } map { l =>
       overrides(l.module) match {

src/main/scala/sbtlicensereport/license/LicenseReportConfiguration.scala

@@ -10,5 +10,6 @@ case class LicenseReportConfiguration(
     notes: DepModuleInfo => Option[String],
     licenseFilter: LicenseCategory => Boolean,
     reportDir: File,
-    reportStyleRules: Option[String] = None
+    reportStyleRules: Option[String] = None,
+    licenseReportColumns: Seq[Column]
 )

src/main/scala/sbtlicensereport/license/TargetLanguage.scala

@@ -18,10 +18,10 @@ sealed trait TargetLanguage {
   def header1(msg: String): String
 
   /** The syntax for the header of a table. */
-  def tableHeader(firstColumn: String, secondColumn: String, thirdColumn: String, fourthColumn: String): String
+  def tableHeader(notes: String, columns: String*): String
 
   /** The syntax for a row of a table. */
-  def tableRow(firstColumn: String, secondColumn: String, thirdColumn: String, fourthColumn: String): String
+  def tableRow(notes: String, columns: String*): String
 
   /** And a "table" */
   def tableEnd: String
@@ -38,13 +38,17 @@ case object MarkDown extends TargetLanguage {
     s"[$content]($link)"
   def blankLine(): String = "\n"
   def header1(msg: String): String = s"# $msg\n"
-  def tableHeader(firstColumn: String, secondColumn: String, thirdColumn: String, fourthColumn: String): String =
-    s"""
-$firstColumn | $secondColumn | $thirdColumn | $fourthColumn
---- | --- | --- | ---
-"""
-  def tableRow(firstColumn: String, secondColumn: String, thirdColumn: String, fourthColumn: String): String =
-    s"$firstColumn | $secondColumn | $thirdColumn | <notextile>${escapeHtml(fourthColumn)}</notextile>\n"
+  def tableHeader(notes: String, columns: String*): String = {
+    val all = columns :+ notes
+    val firstRow = "\n" + all.mkString(" | ")
+    val secondRow = List.fill(all.size - 1)("").mkString("--- |", " --- |", " ---")
+    firstRow ++ "\n" ++ secondRow + "\n"
+  }
+  def tableRow(notes: String, columns: String*): String = {
+    val main = columns.mkString("", " | ", " | ")
+    val notesEscaped = s"<notextile>${escapeHtml(notes)}</notextile>\n"
+    main ++ notesEscaped
+  }
   def tableEnd: String = "\n"
 
   def markdownEncode(s: String): String = s.flatMap {
@@ -71,14 +75,21 @@ case object Html extends TargetLanguage {
     s"""<a href="$link">$content</a>"""
   def blankLine(): String = "<p>&nbsp;</p>"
   def header1(msg: String): String = s"<h1>$msg</h1>"
-  def tableHeader(firstColumn: String, secondColumn: String, thirdColumn: String, fourthColumn: String): String =
+  def tableHeader(notes: String, columns: String*): String = {
+    val all = columns :+ notes
+    val th = all.mkString("<th>", "</th><th>", "</th>")
     s"""<table border="0" cellspacing="0" cellpading="1">
-      <thead><tr><th>$firstColumn</th><th>$secondColumn</th><th>$thirdColumn</th><th>$fourthColumn</th></tr></thead>
+      <thead><tr>$th</tr></thead>
     <tbody>"""
-  def tableRow(firstColumn: String, secondColumn: String, thirdColumn: String, fourthColumn: String): String =
-    s"""<tr><td>${firstColumn}&nbsp;</td><td>${secondColumn}&nbsp;</td><td>${thirdColumn}&nbsp;</td><td>${htmlEncode(
-        fourthColumn
-      )}</td></tr>"""
+  }
+  def tableRow(notes: String, columns: String*): String = {
+    val main = columns.mkString("""<tr><td>""", """&nbsp;</td><td>""", """&nbsp;</td><td>""")
+    val notesEscaped = s"${htmlEncode(
+        notes
+      )}</td></tr>"
+
+    main + notesEscaped
+  }
   def tableEnd: String = "</tbody></table>"
 
   def htmlEncode(s: String) = org.apache.commons.lang3.StringEscapeUtils.escapeHtml4(s)
@@ -93,10 +104,15 @@ case object Csv extends TargetLanguage {
   }
   def blankLine(): String = ""
   def header1(msg: String): String = ""
-  def tableHeader(firstColumn: String, secondColumn: String, thirdColumn: String, fourthColumn: String): String =
-    tableRow(firstColumn, secondColumn, thirdColumn, fourthColumn)
-  def tableRow(firstColumn: String, secondColumn: String, thirdColumn: String, fourthColumn: String): String =
-    s"""${csvEncode(firstColumn)},${csvEncode(secondColumn)},${csvEncode(thirdColumn)},${csvEncode(fourthColumn)}\n"""
+  def tableHeader(notes: String, columns: String*): String = {
+    tableRow(notes, columns: _*)
+  }
+  def tableRow(notes: String, columns: String*): String = {
+    val all = columns :+ notes
+    val escaped = all map csvEncode
+    escaped.mkString("", ",", "\n")
+  }
+
   def tableEnd: String = ""
   def csvEncode(s: String): String = org.apache.commons.lang3.StringEscapeUtils.escapeCsv(s)
 }
@@ -108,16 +124,14 @@ case object ConfluenceWikiMarkup extends TargetLanguage {
   def createHyperLink(link: String, content: String): String = s"[${trim(content)}|${trim(link)}]"
   def blankLine(): String = "\n"
   def header1(msg: String): String = s"h1.$msg\n"
-  def tableHeader(firstColumn: String, secondColumn: String, thirdColumn: String, fourthColumn: String): String = {
-    s"|| $firstColumn || $secondColumn || $thirdColumn || $fourthColumn ||\n"
+  def tableHeader(notes: String, columns: String*): String = {
+    val all = columns :+ notes
+    all.mkString("|| ", " || ", " ||\n")
+  }
+  def tableRow(notes: String, columns: String*): String = {
+    val all = columns :+ notes
+    all.mkString("| ", " | ", " |\n")
   }
-
-  def tableRow(
-      firstColumn: String,
-      secondColumn: String,
-      thirdColumn: String,
-      fourthColumn: String
-  ): String = s"| $firstColumn | $secondColumn | $thirdColumn | $fourthColumn |\n"
   def tableEnd: String = "\n"
 
   def markdownEncode(s: String): String = s.flatMap {

src/sbt-test/dumpLicenseReport/custom-report/example.sbt

@@ -20,7 +20,9 @@ licenseReportConfigurations +=
     language => language.header1("Testing the configuration"),
     dep => Option("Default notes"),
     category => category == LicenseCategory.BSD,
-    licenseReportDir.value
+    licenseReportDir.value,
+    None,
+    Seq(Column.Category, Column.License, Column.Dependency)
   )
 
 val check = taskKey[Unit]("check the license report.")