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[tor-commits] [onionoo/master] Use Apache Common Lang's StringUtils.replace correctly.



commit 24d9e5128c8d823a86d1ccc011f6d058e414c709
Author: Karsten Loesing <karsten.loesing@xxxxxxx>
Date:   Wed Feb 25 11:58:09 2015 +0100

    Use Apache Common Lang's StringUtils.replace correctly.
    
    When we switched from String.replaceAll to StringUtils.replaceEach for
    performance reasons, we forgot to change the passed regular expression
    into a simple string.  That's why some of our replacements didn't work out
    as expected.
    
    Bug introduced in f660e24be80b2efed1423b9ebf912377ccea49d5.
---
 src/main/java/org/torproject/onionoo/docs/DetailsDocument.java   |    2 +-
 src/main/java/org/torproject/onionoo/docs/DetailsStatus.java     |    2 +-
 src/main/java/org/torproject/onionoo/docs/DocumentStore.java     |    2 +-
 src/main/java/org/torproject/onionoo/server/ResponseBuilder.java |    3 ++-
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/main/java/org/torproject/onionoo/docs/DetailsDocument.java b/src/main/java/org/torproject/onionoo/docs/DetailsDocument.java
index 06b74cf..99a98cb 100644
--- a/src/main/java/org/torproject/onionoo/docs/DetailsDocument.java
+++ b/src/main/java/org/torproject/onionoo/docs/DetailsDocument.java
@@ -22,7 +22,7 @@ public class DetailsDocument extends Document {
    * '\'. */
   private static String escapeJSON(String s) {
     return StringUtils.replaceEach(StringEscapeUtils.escapeEcmaScript(s),
-        new String[] { "\\\\'" }, new String[] { "'" });
+        new String[] { "\\'" }, new String[] { "'" });
   }
   private static String unescapeJSON(String s) {
     return StringEscapeUtils.unescapeEcmaScript(StringUtils.replaceEach(s,
diff --git a/src/main/java/org/torproject/onionoo/docs/DetailsStatus.java b/src/main/java/org/torproject/onionoo/docs/DetailsStatus.java
index f38d7e8..ff951ce 100644
--- a/src/main/java/org/torproject/onionoo/docs/DetailsStatus.java
+++ b/src/main/java/org/torproject/onionoo/docs/DetailsStatus.java
@@ -22,7 +22,7 @@ public class DetailsStatus extends Document {
    * '\'. */
   private static String escapeJSON(String s) {
     return StringUtils.replaceEach(StringEscapeUtils.escapeEcmaScript(s),
-        new String[] { "\\\\'" }, new String[] { "'" });
+        new String[] { "\\'" }, new String[] { "'" });
   }
   private static String unescapeJSON(String s) {
     return StringEscapeUtils.unescapeEcmaScript(StringUtils.replaceEach(s,
diff --git a/src/main/java/org/torproject/onionoo/docs/DocumentStore.java b/src/main/java/org/torproject/onionoo/docs/DocumentStore.java
index 974f4c1..69646f1 100644
--- a/src/main/java/org/torproject/onionoo/docs/DocumentStore.java
+++ b/src/main/java/org/torproject/onionoo/docs/DocumentStore.java
@@ -316,7 +316,7 @@ public class DocumentStore {
        * this string, it escapes the \ to \\, hence writes \\u00F2.  We
        * need to undo this and change \\u00F2 back to \u00F2. */
       documentString = StringUtils.replace(gson.toJson(document),
-          "\\\\\\\\u", "\\\\u");
+          "\\\\u", "\\u");
       /* Existing details statuses don't contain opening and closing curly
        * brackets, so we should remove them from new details statuses,
        * too. */
diff --git a/src/main/java/org/torproject/onionoo/server/ResponseBuilder.java b/src/main/java/org/torproject/onionoo/server/ResponseBuilder.java
index 371b79f..d1e7f23 100644
--- a/src/main/java/org/torproject/onionoo/server/ResponseBuilder.java
+++ b/src/main/java/org/torproject/onionoo/server/ResponseBuilder.java
@@ -6,6 +6,7 @@ import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.apache.commons.lang3.StringUtils;
 import org.torproject.onionoo.docs.BandwidthDocument;
 import org.torproject.onionoo.docs.ClientsDocument;
 import org.torproject.onionoo.docs.DetailsDocument;
@@ -274,7 +275,7 @@ public class ResponseBuilder {
         /* Whenever we provide Gson with a string containing an escaped
          * non-ASCII character like \u00F2, it escapes the \ to \\, which
          * we need to undo before including the string in a response. */
-        return gson.toJson(dd).replaceAll("\\\\\\\\u", "\\\\u");
+        return StringUtils.replace(gson.toJson(dd), "\\\\u", "\\u");
       } else {
         // TODO We should probably log that we didn't find a details
         // document that we expected to exist.



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