add support for jarsigner's -tsadigestalg to <signjar>.

https://bz.apache.org/bugzilla/show_bug.cgi?id=60665

WHATSNEW

@@ -12,6 +12,9 @@ Other changes:
    compiled attribute to scriptdef.
    Github Pull Request #30
 
+ * Added support for jarsigner's -tsadigestalg to <signjar>.
+   Bugzilla Report 60665
+
 Fixed bugs:
 -----------
 

manual/Tasks/signjar.html

@@ -184,6 +184,11 @@ block</td>
     <td valign="top">name of digest algorithm</td>
     <td valign="top" align="center">No</td>
   </tr>
+  <tr>
+    <td valign="top">tsadigestalg</td>
+    <td valign="top">name of tsa digest algorithm. <em>since Ant 1.10.2</em></td>
+    <td valign="top" align="center">No</td>
+  </tr>
 </table>
 <h3>Parameters as nested elements</h3>
 <table border="1" cellpadding="2" cellspacing="0">

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

@@ -128,6 +128,11 @@ public class SignJar extends AbstractJarSignerTask {
      */
     private String digestAlg;
 
+    /**
+     * tsa digest algorithm
+     */
+    private String tsaDigestAlg;
+
     /**
      * error string for unit test verification: {@value}
      */
@@ -362,6 +367,24 @@ public class SignJar extends AbstractJarSignerTask {
         return digestAlg;
     }
 
+    /**
+     * TSA Digest Algorithm; optional
+     *
+     * @param digestAlg the tsa digest algorithm
+     * @since Ant 1.10.2
+     */
+    public void setTSADigestAlg(String digestAlg) {
+        this.tsaDigestAlg = digestAlg;
+    }
+
+    /**
+     * TSA Digest Algorithm; optional
+     * @since Ant 1.10.2
+     */
+    public String getTSADigestAlg() {
+        return tsaDigestAlg;
+    }
+
     /**
      * sign the jar(s)
      *
@@ -564,6 +587,11 @@ public class SignJar extends AbstractJarSignerTask {
                 addProxyFor(cmd, "http");
             }
         }
+
+        if (tsaDigestAlg != null) {
+            addValue(cmd, "-tsadigestalg");
+            addValue(cmd, tsaDigestAlg);
+        }
     }
 
     /**