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Java Renderers (code generators for Java only sbt projects)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,208 @@ | ||
| package sbtbuildinfo | ||
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| abstract class JavaRenderer(pkg: String, cl: String, makeStatic: Boolean) extends BuildInfoRenderer { | ||
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| override def fileType = BuildInfoType.Source | ||
| override def extension = "java" | ||
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| def header = List( | ||
| "// $COVERAGE-OFF$", | ||
| s"package $pkg;", | ||
| "", | ||
| s"/** This file was generated by sbt-buildinfo. */", | ||
| s"public final class $cl {", | ||
| s" private $cl() {}", | ||
| "" | ||
| ) | ||
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| protected def footer = List("}", "// $COVERAGE-ON$") | ||
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| protected def line(result: BuildInfoResult): Seq[String] = { | ||
| import result._ | ||
| val mod = if (makeStatic) " static" else "" | ||
| getJavaType(result.typeExpr) | ||
| .map(typeDecl => | ||
| List( | ||
| s" /** The value is ${quote(value)}. */", | ||
| s" public$mod final $typeDecl $identifier = ${quote(value)};" | ||
| ) | ||
| ) | ||
| .getOrElse(List.empty) | ||
| } | ||
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| protected val buildUrlLines: String = | ||
| """ private static java.net.URL internalAsUrl(String urlString) { | ||
| | try { | ||
| | return new java.net.URL(urlString); | ||
| | } catch (Exception e) { | ||
| | return null; | ||
| | } | ||
| | } | ||
| |""".stripMargin | ||
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| protected val buildMapLines: String = | ||
| """ @SuppressWarnings({"unchecked", "rawtypes"}) | ||
| | private static <K, V> java.util.Map<K, V> internalAsMap(java.util.Map.Entry... entries) { | ||
| | java.util.Map<K, V> m = new java.util.HashMap<>(); | ||
| | for (java.util.Map.Entry e : entries) { | ||
| | m.put((K) e.getKey(), (V) e.getValue()); | ||
| | } | ||
| | return java.util.Collections.unmodifiableMap(m); | ||
| | } | ||
| |""".stripMargin | ||
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| protected def toStringLines(results: Seq[BuildInfoResult]): String = { | ||
| val mod = if (makeStatic) " static" else "" | ||
| val methodPrefix = if (makeStatic) "make" else "to" | ||
| val idents = results.filter(v => getJavaType(v.typeExpr).isDefined).map(_.identifier) | ||
| val fmt = idents.map("%s: %%s" format _).mkString(", ") | ||
| val vars = idents.mkString(", ") | ||
| s""" | ||
| | public$mod String ${methodPrefix}String() { | ||
| | return String.format("$fmt", | ||
| | $vars | ||
| | ); | ||
| | } | ||
| |""".stripMargin | ||
| } | ||
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| protected def toMapLines(results: Seq[BuildInfoResult]): Seq[String] = | ||
| if (options.contains(BuildInfoOption.ToMap) || options.contains(BuildInfoOption.ToJson)) { | ||
| val mod = if (makeStatic) " static" else "" | ||
| val methodPrefix = if (makeStatic) "make" else "to" | ||
| List( | ||
| s" public$mod java.util.Map<String, Object> ${methodPrefix}Map() {", | ||
| " java.util.Map<String, Object> m = new java.util.HashMap<>();" | ||
| ) ++ | ||
| results | ||
| .filter(v => getJavaType(v.typeExpr).isDefined) | ||
| .map(result => " m.put(\"%s\", %s);".format(result.identifier, result.identifier)) ++ | ||
| List( | ||
| " return java.util.Collections.unmodifiableMap(m);", | ||
| " }", | ||
| "" | ||
| ) | ||
| } else Nil | ||
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| protected def buildJsonLines: Seq[String] = | ||
| if (options contains BuildInfoOption.ToJson) | ||
| List( | ||
| s""" private static String quote(Object x) { | ||
| | return "\\"" + x + "\\""; | ||
| | } | ||
| | | ||
| | @SuppressWarnings({"unchecked"}) | ||
| | private static String toJsonValue(Object value) { | ||
| | if (value instanceof java.util.Collection) { | ||
| | return ((java.util.Collection<Object>) value) | ||
| | .stream().map($cl::toJsonValue).collect(java.util.stream.Collectors.joining(",", "[", "]")); | ||
| | } else if (value instanceof java.util.Optional) { | ||
| | return ((java.util.Optional<Object>) value).map($cl::toJsonValue).orElse("null"); | ||
| | } else if (value instanceof java.util.Map) { | ||
| | return ((java.util.Map<Object, Object>) value) | ||
| | .entrySet().stream() | ||
| | .map(e -> toJsonValue(e.getKey().toString()) + ":" + toJsonValue(e.getValue())) | ||
| | .collect(java.util.stream.Collectors.joining(", ", "{", "}")); | ||
| | } else if (value instanceof Double) { | ||
| | return value.toString(); | ||
| | } else if (value instanceof Float) { | ||
| | return value.toString(); | ||
| | } else if (value instanceof Long) { | ||
| | return value.toString(); | ||
| | } else if (value instanceof Integer) { | ||
| | return value.toString(); | ||
| | } else if (value instanceof Short) { | ||
| | return value.toString(); | ||
| | } else if (value instanceof Boolean) { | ||
| | return value.toString(); | ||
| | } else if (value instanceof String) { | ||
| | return quote(value); | ||
| | } else { | ||
| | return quote(value.toString()); | ||
| | } | ||
| | } | ||
| |""".stripMargin | ||
| ) | ||
| else | ||
| Nil | ||
|
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| protected def toJsonLines: Seq[String] = | ||
| if (options contains BuildInfoOption.ToJson) { | ||
| val mod = if (makeStatic) " static" else "" | ||
| val methodPrefix = if (makeStatic) "make" else "to" | ||
| List( | ||
| s""" public$mod final String ${methodPrefix}Json = toJsonValue(${methodPrefix}Map());""".stripMargin | ||
| ) | ||
| } else | ||
| Nil | ||
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| protected def getJavaType(typeExpr: TypeExpression): Option[String] = { | ||
| def tpeToReturnType(tpe: TypeExpression): Option[String] = | ||
| tpe match { | ||
| case TypeExpression("Any", Nil) => None | ||
| case TypeExpression("Short", Nil) => Some("Short") | ||
| case TypeExpression("Int", Nil) => Some("Integer") | ||
| case TypeExpression("Long", Nil) => Some("Long") | ||
| case TypeExpression("Double", Nil) => Some("Double") | ||
| case TypeExpression("Float", Nil) => Some("Float") | ||
| case TypeExpression("Boolean", Nil) => Some("Boolean") | ||
| case TypeExpression("scala.Symbol", Nil) => Some("String") | ||
| case TypeExpression("java.lang.String", Nil) => Some("String") | ||
| case TypeExpression("java.net.URL", Nil) => Some("java.net.URL") | ||
| case TypeExpression("sbt.URL", Nil) => Some("java.net.URL") | ||
| case TypeExpression("java.io.File", Nil) => Some("java.io.File") | ||
| case TypeExpression("sbt.File", Nil) => Some("java.io.File") | ||
| case TypeExpression("scala.xml.NodeSeq", Nil) => None | ||
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| case TypeExpression("sbt.ModuleID", Nil) => Some("String") | ||
| case TypeExpression("sbt.Resolver", Nil) => Some("String") | ||
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| case TypeExpression("sbt.librarymanagement.ModuleID", Nil) => Some("String") | ||
| case TypeExpression("sbt.librarymanagement.Resolver", Nil) => Some("String") | ||
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| case TypeExpression("sbt.internal.util.Attributed", Seq(TypeExpression("java.io.File", Nil))) => | ||
| Some("java.io.File") | ||
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| case TypeExpression("scala.Option", Seq(arg)) => | ||
| tpeToReturnType(arg) map { x => s"java.util.Optional<$x>" } | ||
| case TypeExpression("scala.collection.Seq" | "scala.collection.immutable.Seq", Seq(arg)) => | ||
| tpeToReturnType(arg) map { x => s"java.util.Collection<$x>" } | ||
| case TypeExpression("scala.collection.immutable.Map", Seq(arg0, arg1)) => | ||
| for { | ||
| x0 <- tpeToReturnType(arg0) | ||
| x1 <- tpeToReturnType(arg1) | ||
| } yield s"java.util.Map<$x0, $x1>" | ||
| case TypeExpression("scala.Tuple2", Seq(arg0, arg1)) => | ||
| for { | ||
| x0 <- tpeToReturnType(arg0) | ||
| x1 <- tpeToReturnType(arg1) | ||
| } yield s"java.util.Map.Entry<$x0, $x1>" | ||
| case _ => None | ||
| } | ||
| tpeToReturnType(typeExpr) | ||
| } | ||
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| protected def quote(v: Any): String = v match { | ||
| case x @ (_: Int | _: Short | _: Double | _: Boolean) => x.toString | ||
| case x: Float => x.toString + "f" | ||
| case x: Symbol => s"""("${x.name}").intern()""" | ||
| case x: Long => x.toString + "L" | ||
| case node: scala.xml.NodeSeq if node.toString().trim.nonEmpty => node.toString() | ||
| case node: scala.xml.NodeSeq => scala.xml.NodeSeq.Empty.toString() | ||
| case (k, _v) => "new java.util.AbstractMap.SimpleImmutableEntry<>(%s, %s)" format (quote(k), quote(_v)) | ||
| case mp: Map[_, _] => mp.toList.map(quote(_)).mkString("internalAsMap(", ", ", ")") | ||
| case seq: collection.Seq[_] => | ||
| seq.map(quote).mkString("java.util.Collections.unmodifiableList(java.util.Arrays.asList(", ", ", "))") | ||
| case op: Option[_] => | ||
| op map { x => "java.util.Optional.of(" + quote(x) + ")" } getOrElse { "java.util.Optional.empty()" } | ||
| case url: java.net.URL => "internalAsUrl(%s)" format quote(url.toString) | ||
| case file: java.io.File => "new java.io.File(%s)" format quote(file.toString) | ||
| case attr: sbt.Attributed[_] => quote(attr.data) | ||
| case s => "\"%s\"" format encodeStringLiteral(s.toString) | ||
| } | ||
|
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| protected def encodeStringLiteral(str: String): String = | ||
| str.replace("\\", "\\\\").replace("\n", "\\n").replace("\b", "\\b").replace("\r", "\\r") | ||
| .replace("\t", "\\t").replace("\'", "\\'").replace("\f", "\\f").replace("\"", "\\\"") | ||
|
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| package sbtbuildinfo | ||
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| case class JavaSingletonRenderer(options: Seq[BuildInfoOption], pkg: String, cl: String) extends JavaRenderer(pkg, cl, false) { | ||
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| override def renderKeys(buildInfoResults: Seq[BuildInfoResult]): Seq[String] = | ||
| header ++ | ||
| instanceLine ++ | ||
| buildInfoResults.flatMap(line) ++ | ||
| Seq(toStringLines(buildInfoResults)) ++ | ||
| toMapLines(buildInfoResults) ++ | ||
| Seq(buildUrlLines, buildMapLines) ++ | ||
| buildJsonLines ++ | ||
| toJsonLines ++ | ||
| footer | ||
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| private def instanceLine: Seq[String] = | ||
| List( | ||
| s" public static final $cl instance = new $cl();", | ||
| "" | ||
| ) | ||
|
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| } |
15 changes: 15 additions & 0 deletions
15
src/main/scala/sbtbuildinfo/JavaStaticFieldsRenderer.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| package sbtbuildinfo | ||
|
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| case class JavaStaticFieldsRenderer(options: Seq[BuildInfoOption], pkg: String, cl: String) extends JavaRenderer(pkg, cl, true) { | ||
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| override def renderKeys(buildInfoResults: Seq[BuildInfoResult]): Seq[String] = | ||
| header ++ | ||
| buildInfoResults.flatMap(line) ++ | ||
| Seq(toStringLines(buildInfoResults)) ++ | ||
| toMapLines(buildInfoResults) ++ | ||
| Seq(buildUrlLines, buildMapLines) ++ | ||
| buildJsonLines ++ | ||
| toJsonLines ++ | ||
| footer | ||
|
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| } |
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