7006178: findbugs high priority issues in new javadoc

Reviewed-by: jjg

src/share/classes/com/sun/tools/doclets/formats/html/ClassUseWriter.java

 /*
- * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -305,11 +305,7 @@ public class ClassUseWriter extends SubWriterHolderWriter {
             tr.addContent(tdFirst);
             HtmlTree tdLast = new HtmlTree(HtmlTag.TD);
             tdLast.addStyle(HtmlStyle.colLast);
-            if (pkg != null) {
-                addSummaryComment(pkg, tdLast);
-            } else {
-                tdLast.addContent(getSpace());
-            }
+            addSummaryComment(pkg, tdLast);
             tr.addContent(tdLast);
             tbody.addContent(tr);
         }
@@ -355,10 +351,7 @@ public class ClassUseWriter extends SubWriterHolderWriter {
         contentTree.addContent(tdFirst);
         HtmlTree tdLast = new HtmlTree(HtmlTag.TD);
         tdLast.addStyle(HtmlStyle.colLast);
-        if (pkg != null)
-            addSummaryComment(pkg, tdLast);
-        else
-            tdLast.addContent(getSpace());
+        addSummaryComment(pkg, tdLast);
         contentTree.addContent(tdLast);
     }
 

src/share/classes/com/sun/tools/doclets/formats/html/PackageUseWriter.java

 /*
- * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -246,10 +246,7 @@ public class PackageUseWriter extends SubWriterHolderWriter {
         contentTree.addContent(tdFirst);
         HtmlTree tdLast = new HtmlTree(HtmlTag.TD);
         tdLast.addStyle(HtmlStyle.colLast);
-        if (pkg != null)
-            addSummaryComment(pkg, tdLast);
-        else
-            tdLast.addContent(getSpace());
+        addSummaryComment(pkg, tdLast);
         contentTree.addContent(tdLast);
     }
 

test/com/sun/javadoc/testUseOption/C.java

+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * Class in an unnamed package.
+ */
+
+public class C {
+
+    /**
+     * Field in C.
+     */
+    public UsedInC fieldInC;
+
+    /**
+     * Method in C.
+     */
+    public UsedInC methodInC(UsedInC p) {
+        return p;
+    }
+}

test/com/sun/javadoc/testUseOption/TestUseOption.java

 /*
- * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 4496290 4985072
+ * @bug 4496290 4985072 7006178
  * @summary A simple test to determine if -use works.
  * @author jamieh
  * @library ../lib/
@@ -34,7 +34,7 @@
 
 public class TestUseOption extends JavadocTester {
 
-    private static final String BUG_ID = "4496290-4985072";
+    private static final String BUG_ID = "4496290-4985072-7006178";
 
     //Input for string search tests.
     private static final String[] TEST2 = {
@@ -54,6 +54,16 @@ public class TestUseOption extends JavadocTester {
         "Method in C8.",
     };
 
+    private static final String[][] TEST3 = {
+        {BUG_ID + "-3" + FS + "class-use" + FS + "UsedInC.html", "Uses of <a href=" +
+                 "\"../UsedInC.html\" title=\"class in &lt;Unnamed&gt;\">" +
+                 "UsedInC</a> in <a href=\"../package-summary.html\">&lt;Unnamed&gt;</a>"
+        },
+        {BUG_ID + "-3" + FS + "package-use.html", "<td class=\"colOne\">" +
+                 "<a href=\"class-use/UsedInC.html#&lt;Unnamed&gt;\">UsedInC</a>&nbsp;</td>"
+        }
+    };
+
     private static final String[] ARGS = new String[] {
         "-d", BUG_ID, "-sourcepath", SRC_DIR, "-use", "pkg1", "pkg2"
     };
@@ -62,6 +72,10 @@ public class TestUseOption extends JavadocTester {
         "-d", BUG_ID+"-2", "-sourcepath", SRC_DIR, "-use", "pkg1", "pkg2"
     };
 
+    private static final String[] ARGS3 = new String[] {
+        "-d", BUG_ID + "-3", "-sourcepath", SRC_DIR, "-use", SRC_DIR + FS + "C.java", SRC_DIR + FS + "UsedInC.java"
+    };
+
     /**
      * The entry point of the test.
      * @param args the array of command line arguments.
@@ -93,6 +107,8 @@ public class TestUseOption extends JavadocTester {
             prevIndex = currentIndex;
         }
         tester.printSummary();
+        run(tester, ARGS3, TEST3, NO_TEST);
+        tester.printSummary();
     }
 
     /**

test/com/sun/javadoc/testUseOption/UsedInC.java

+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+public class UsedInC
+{
+}