Calculates result of getSourceName() one time, so reuse because of CU cache. Prepares SAXParserFActory one time, so avoids expensive ClassLoader lookups. Review at http://gwt-code-reviews.appspot.com/1438801 Review by: scottb@google.com git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@10162 8db76d5a-ed1c-0410-87a9-c151d255dfc7

diff --git a/dev/core/src/com/google/gwt/dev/javac/CompiledClass.java b/dev/core/src/com/google/gwt/dev/javac/CompiledClass.java
index 19c4ff7..85f42de 100644
--- a/dev/core/src/com/google/gwt/dev/javac/CompiledClass.java
+++ b/dev/core/src/com/google/gwt/dev/javac/CompiledClass.java

@@ -38,6 +38,7 @@
 
   private final CompiledClass enclosingClass;
   private final String internalName;
+  private final String sourceName;
   private final boolean isLocal;
   private transient TypeData typeData;
   private CompilationUnit unit;
@@ -65,6 +66,7 @@
       String internalName) {
     this.enclosingClass = enclosingClass;
     this.internalName = StringInterner.get().intern(internalName);
+    this.sourceName = StringInterner.get().intern(InternalName.toSourceName(internalName));
     this.cacheToken = diskCache.writeByteArray(classBytes);
     this.isLocal = isLocal;
   }
@@ -109,7 +111,7 @@
    * Returns the qualified source name, e.g. {@code java.util.Map.Entry}.
    */
   public String getSourceName() {
-    return StringInterner.get().intern(InternalName.toSourceName(internalName));
+    return sourceName;
   }
   
   public TypeData getTypeData() {

diff --git a/dev/core/test/com/google/gwt/dev/javac/CompiledClassTest.java b/dev/core/test/com/google/gwt/dev/javac/CompiledClassTest.java
index 8d78d85..18f6e53 100644
--- a/dev/core/test/com/google/gwt/dev/javac/CompiledClassTest.java
+++ b/dev/core/test/com/google/gwt/dev/javac/CompiledClassTest.java

@@ -26,7 +26,15 @@
   static byte[] dummyByteCode = {
     (byte) 0xDE, (byte) 0xAD, (byte)0xBE, (byte)0xEF  
   };
-  static final String DUMMY_NAME = "com.example.DeadBeef";
+  static final String DUMMY_NAME = "com/example/DeadBeef";
+  
+  /**
+   * Test for {@link CompiledClass#getSourceName()}.
+   */
+  public void testSourceName() throws Exception {
+    CompiledClass compiledClass = new CompiledClass(dummyByteCode, null, false, DUMMY_NAME);
+    assertEquals("com.example.DeadBeef", compiledClass.getSourceName());
+  }
   
   public void testCompiledClassSerialization() throws Exception {
     CompiledClass writeObject = new CompiledClass(dummyByteCode, null, false, DUMMY_NAME);