diff options
Diffstat (limited to 'src/com.gluster.storage.management.core')
| -rw-r--r-- | src/com.gluster.storage.management.core/src/com/gluster/storage/management/core/utils/StringUtil.java | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/com.gluster.storage.management.core/src/com/gluster/storage/management/core/utils/StringUtil.java b/src/com.gluster.storage.management.core/src/com/gluster/storage/management/core/utils/StringUtil.java index 556c12de..1b7335ee 100644 --- a/src/com.gluster.storage.management.core/src/com/gluster/storage/management/core/utils/StringUtil.java +++ b/src/com.gluster.storage.management.core/src/com/gluster/storage/management/core/utils/StringUtil.java @@ -32,12 +32,15 @@ public class StringUtil { } public static String ListToString(List<String> list, String delimiter) { + if (list.size() == 0) { + return ""; + } StringBuilder output = new StringBuilder(); for (String element : list) { output.append(element).append(delimiter); } String outputStr = output.toString(); - int endIndex = (list.size() > 1) ? outputStr.length() - (delimiter.length() + 1) : outputStr.length() - delimiter.length(); + int endIndex = outputStr.length() - delimiter.length(); return outputStr.substring(0, endIndex); } @@ -48,4 +51,18 @@ public class StringUtil { } return enumAsArray; } + + public static void main(String args[]) { + + //Test case for "ListToString" + List<String> string = new ArrayList<String>(); + // Empty list + System.out.println(StringUtil.ListToString(string, ", ")); + // Only one + string.add("test"); + System.out.println(StringUtil.ListToString(string, ",:")); + // Multiple + string.add("welcome to java"); + System.out.println(StringUtil.ListToString(string, "")); + } } |
