From 7c83746ee789a5219af641a4502a657d9563771d Mon Sep 17 00:00:00 2001
From: Jacky <jackyq2015@gmail.com>
Date: Fri, 27 Oct 2017 16:59:55 -0400
Subject: [PATCH] deal with empty string properly

---
 main/src/com/google/refine/ProjectMetadata.java    | 14 +++++++-------
 .../project/SetProjectMetaDataCommand.java         |  3 ++-
 .../views/data-table/text-transform-dialog.html    |  2 +-
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/main/src/com/google/refine/ProjectMetadata.java b/main/src/com/google/refine/ProjectMetadata.java
index 0e747fd8a..29372b7cc 100644
--- a/main/src/com/google/refine/ProjectMetadata.java
+++ b/main/src/com/google/refine/ProjectMetadata.java
@@ -57,16 +57,16 @@ public class ProjectMetadata implements Jsonizable {
     private final Date     _created;
     private Date           _modified;
     private Date written = null;
-    private String         _name;
-    private String         _password;
+    private String         _name = "";
+    private String         _password = "";
 
-    private String         _encoding;
+    private String         _encoding = "";
     private int            _encodingConfidence;
     
-    private String _creator;
-    private String _contributors;
-    private String _subject;    // Several refine projects may be linked
-    private String _description;                // free form of comment
+    private String _creator = "";
+    private String _contributors = "";
+    private String _subject = "";    // Several refine projects may be linked
+    private String _description = "";                // free form of comment
     private int _rowNumber;      // at the creation. Essential for cleaning old projects too heavy
     
     // import options is an array for 1-n data sources
diff --git a/main/src/com/google/refine/commands/project/SetProjectMetaDataCommand.java b/main/src/com/google/refine/commands/project/SetProjectMetaDataCommand.java
index 8cd2b175c..6644cf389 100644
--- a/main/src/com/google/refine/commands/project/SetProjectMetaDataCommand.java
+++ b/main/src/com/google/refine/commands/project/SetProjectMetaDataCommand.java
@@ -6,6 +6,7 @@ import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import org.apache.commons.lang.StringUtils;
 import org.json.JSONException;
 import org.json.JSONTokener;
 import org.json.JSONWriter;
@@ -36,7 +37,7 @@ public class SetProjectMetaDataCommand extends Command {
             response.setHeader("Content-Type", "application/json");
             JSONWriter writer = new JSONWriter(response.getWriter());
             
-            Object o = valueString == null ? null : new JSONTokener(valueString).nextValue();
+            Object o = StringUtils.isEmpty(valueString) ? null : new JSONTokener(valueString).nextValue();
             
             meta.setAnyField(metaName, valueString);
             ProjectManager.singleton.saveMetadata(meta, project.id);
diff --git a/main/webapp/modules/core/scripts/views/data-table/text-transform-dialog.html b/main/webapp/modules/core/scripts/views/data-table/text-transform-dialog.html
index 4544ce84f..1bab7d958 100644
--- a/main/webapp/modules/core/scripts/views/data-table/text-transform-dialog.html
+++ b/main/webapp/modules/core/scripts/views/data-table/text-transform-dialog.html
@@ -1,4 +1,4 @@
-<div class="dialog-frame" style="width: 700px;">
+<div class="dialog-frame" >
   <div class="dialog-border">
     <div class="dialog-header" bind="dialogHeader"></div>
     <div class="dialog-body" bind="dialogBody">