From 4ff6d329e5e5587a3fdc1ec98eb62713b996beb4 Mon Sep 17 00:00:00 2001
From: Magesh Umasankar <umagesh@apache.org>
Date: Thu, 28 Feb 2002 00:44:00 +0000
Subject: [PATCH] Empty line check inserted.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271593 13f79535-47bb-0310-9956-ffa450edef68
---
 .../main/org/apache/tools/ant/filters/LineContains.java  | 1 -
 .../main/org/apache/tools/ant/filters/PrefixLines.java   | 9 ++++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/LineContains.java b/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/LineContains.java
index 99e974739..12b339e85 100644
--- a/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/LineContains.java
+++ b/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/LineContains.java
@@ -157,7 +157,6 @@ public final class LineContains
                 for (int i = 0; i < containsSize; i++) {
                     String containsStr = (String) contains.elementAt(i);
                     if (line.indexOf(containsStr) == -1) {
-                        System.out.println("Hello");
                         line = null;
                         break;
                     }
diff --git a/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/PrefixLines.java b/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/PrefixLines.java
index b6622bd69..484d54f3d 100644
--- a/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/PrefixLines.java
+++ b/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/PrefixLines.java
@@ -127,12 +127,15 @@ public final class PrefixLines
 
         int ch = -1;
 
+        if (queuedData != null && queuedData.length() == 0) {
+            queuedData = null;
+        }
+
         if (queuedData != null) {
+            ch = queuedData.charAt(0);
+            queuedData = queuedData.substring(1);
             if (queuedData.length() == 0) {
                 queuedData = null;
-            } else {
-                ch = queuedData.charAt(0);
-                queuedData = queuedData.substring(1);
             }
         } else {
             ch = in.read();