Add support for docletpath.

I have changed the patch as submitted to treat the docletpath as a classpath rather
than a file.

Submitted by:	Ernst de Haan <ernst@jollem.com>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@267729 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/Javadoc.java

@@ -94,7 +94,7 @@ public class Javadoc extends Exec {
     private boolean author = true;
     private boolean version = true;
     private String doclet = null;
-    private File docletpath = null;
+    private String docletpath = null;
     private boolean old = false;
     private String classpath = null;
     private String bootclasspath = null;
@@ -165,7 +165,7 @@ public class Javadoc extends Exec {
         doclet = src;
     }
     public void setDocletPath(String src) {
-        docletpath = project.resolveFile(src);
+        docletpath = project.translatePath(src);
     }
     public void setOld(String src) {
         old = Project.toBoolean(src);
@@ -418,6 +418,10 @@ public class Javadoc extends Exec {
                 argList.addElement("-doclet");
                 argList.addElement(doclet);
             }
+            if (docletpath != null) {
+                argList.addElement("-docletpath");
+                argList.addElement(docletpath);
+            }
             if (bootclasspath != null) {
                 argList.addElement("-bootclasspath");
                 argList.addElement(bootclasspath);