Use null-or-empty pattern

2 files changed, 3 insertions, 3 deletions

diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/jsp/WLJspc.java b/src/main/org/apache/tools/ant/taskdefs/optional/jsp/WLJspc.java
index e07db782c..1c182de84 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/jsp/WLJspc.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/jsp/WLJspc.java
@@ -174,7 +174,7 @@ public class WLJspc extends MatchingTask {
             File jspFile = new File(filename);
             args[j] = "-package";
             String parents = jspFile.getParent();
-            if (parents == null || "".equals(parents)) {
+            if (parents == null || parents.isEmpty()) {
                 args[j + 1] = destinationPackage;
             } else {
                 parents = this.replaceString(parents, File.separator, "_.");
@@ -265,7 +265,7 @@ public class WLJspc extends MatchingTask {
             String parents = jspFile.getParent();
 
             String pack;
-            if (parents == null || "".equals(parents)) {
+            if (parents == null || parents.isEmpty()) {
                 pack = pathToPackage;
             } else {
                 parents =  this.replaceString(parents, File.separator, "_/");
diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/jsp/compilers/DefaultJspCompilerAdapter.java b/src/main/org/apache/tools/ant/taskdefs/optional/jsp/compilers/DefaultJspCompilerAdapter.java
index c9de17cd2..8eac9de9f 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/jsp/compilers/DefaultJspCompilerAdapter.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/jsp/compilers/DefaultJspCompilerAdapter.java
@@ -87,7 +87,7 @@ public abstract class DefaultJspCompilerAdapter
      * @param  argument  The argument
      */
     protected void addArg(CommandlineJava cmd, String argument) {
-        if (argument != null && argument.length() != 0) {
+        if (argument != null && !argument.isEmpty()) {
            cmd.createArgument().setValue(argument);
         }
     }