1 files changed, 68 insertions, 0 deletions
diff --git a/bundle-plugin/src/main/scala/com/yahoo/container/plugin/classanalysis/AnalyzeSignatureVisitor.scala b/bundle-plugin/src/main/scala/com/yahoo/container/plugin/classanalysis/AnalyzeSignatureVisitor.scala
new file mode 100644
index 00000000000..693e0e17482
--- /dev/null
+++ b/bundle-plugin/src/main/scala/com/yahoo/container/plugin/classanalysis/AnalyzeSignatureVisitor.scala
@@ -0,0 +1,68 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.container.plugin.classanalysis
+
+import org.objectweb.asm.Opcodes
+import org.objectweb.asm.signature.{SignatureReader, SignatureVisitor}
+
+
+/**
+ * @author tonytv
+ */
+
+private class AnalyzeSignatureVisitor(val analyzeClassVisitor: AnalyzeClassVisitor)
+  extends SignatureVisitor(Opcodes.ASM5)
+  with SubVisitorTrait {
+
+
+  override def visitEnd(): Unit = super.visitEnd()
+
+  override def visitClassType(className: String) {
+    imports ++= internalNameToClassName(className)
+  }
+
+  override def visitFormalTypeParameter(name: String) {}
+
+  override def visitClassBound() = this
+
+  override def visitInterfaceBound() = this
+
+  override def visitSuperclass() = this
+
+  override def visitInterface() = this
+
+  override def visitParameterType() = this
+
+  override def visitReturnType() = this
+
+  override def visitExceptionType() = this
+
+  override def visitBaseType(descriptor: Char) {}
+
+  override def visitTypeVariable(name: String) {}
+
+  override def visitArrayType() = this
+
+  override def visitInnerClassType(name: String) {}
+
+  override def visitTypeArgument() {}
+
+  override def visitTypeArgument(wildcard: Char) = this
+}
+
+
+object AnalyzeSignatureVisitor {
+  def analyzeClass(signature: String, analyzeClassVisitor: AnalyzeClassVisitor) {
+    if (signature != null) {
+      new SignatureReader(signature).accept(new AnalyzeSignatureVisitor(analyzeClassVisitor))
+    }
+  }
+
+  def analyzeMethod(signature: String, analyzeClassVisitor: AnalyzeClassVisitor)  {
+    analyzeClass(signature, analyzeClassVisitor)
+  }
+
+  def analyzeField(signature: String, analyzeClassVisitor: AnalyzeClassVisitor) {
+    if (signature != null)
+      new SignatureReader(signature).acceptType(new AnalyzeSignatureVisitor(analyzeClassVisitor))
+  }
+}