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Posted to oak-commits@jackrabbit.apache.org by mr...@apache.org on 2018/04/26 08:06:14 UTC

svn commit: r1830171 - in /jackrabbit/oak/trunk/oak-store-document: pom.xml src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java

Author: mreutegg
Date: Thu Apr 26 08:06:14 2018
New Revision: 1830171

URL: http://svn.apache.org/viewvc?rev=1830171&view=rev
Log:
OAK-7442: Remove dependency to commons-codec

Modified:
    jackrabbit/oak/trunk/oak-store-document/pom.xml
    jackrabbit/oak/trunk/oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java
    jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java

Modified: jackrabbit/oak/trunk/oak-store-document/pom.xml
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-store-document/pom.xml?rev=1830171&r1=1830170&r2=1830171&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-store-document/pom.xml (original)
+++ jackrabbit/oak/trunk/oak-store-document/pom.xml Thu Apr 26 08:06:14 2018
@@ -129,10 +129,6 @@
       <artifactId>guava</artifactId>
     </dependency>
     <dependency>
-      <groupId>commons-codec</groupId>
-      <artifactId>commons-codec</artifactId>
-    </dependency>
-    <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
     </dependency>
@@ -292,6 +288,11 @@
       <scope>test</scope>
     </dependency>
     <dependency>
+      <groupId>commons-codec</groupId>
+      <artifactId>commons-codec</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
       <groupId>org.apache.sling</groupId>
       <artifactId>org.apache.sling.testing.osgi-mock</artifactId>
       <scope>test</scope>

Modified: jackrabbit/oak/trunk/oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java?rev=1830171&r1=1830170&r2=1830171&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java (original)
+++ jackrabbit/oak/trunk/oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java Thu Apr 26 08:06:14 2018
@@ -39,7 +39,6 @@ import com.google.common.base.Function;
 import com.google.common.base.Predicate;
 import com.google.common.collect.AbstractIterator;
 
-import org.apache.commons.codec.binary.Hex;
 import org.apache.jackrabbit.oak.commons.OakVersion;
 import org.apache.jackrabbit.oak.commons.PathUtils;
 import org.apache.jackrabbit.oak.commons.StringUtils;
@@ -92,6 +91,8 @@ public class Utils {
 
     private static final Charset UTF_8 = Charset.forName("UTF-8");
 
+    private static final char[] HEX_DIGITS = "0123456789abcdef".toCharArray();
+
     /**
      * A predicate for property and _deleted names.
      */
@@ -243,13 +244,33 @@ public class Utils {
             String parent = PathUtils.getParentPath(path);
             byte[] hash = digest.digest(parent.getBytes(UTF_8));
             String name = PathUtils.getName(path);
-            return depth + ":h" + Hex.encodeHexString(hash) + "/" + name;
+            StringBuilder sb = new StringBuilder(digest.getDigestLength() * 2 + name.length() + 6);
+            sb.append(depth).append(":h");
+            encodeHexString(hash, sb).append("/").append(name);
+            return sb.toString();
         }
         int depth = Utils.pathDepth(path);
         return depth + ":" + path;
     }
 
     /**
+     * Encodes the given data as hexadecimal string representation and appends
+     * it to the {@code StringBuilder}. The hex digits are in lower case.
+     *
+     * @param data the bytes to encode.
+     * @param sb the hexadecimal string representation is appended to this
+     *           {@code StringBuilder}.
+     * @return the {@code StringBuilder} passed to this method.
+     */
+    public static StringBuilder encodeHexString(byte[] data, StringBuilder sb) {
+        for (byte b : data) {
+            sb.append(HEX_DIGITS[(b >> 4) & 0xF]);
+            sb.append(HEX_DIGITS[(b & 0xF)]);
+        }
+        return sb;
+    }
+
+    /**
      * Returns the parent id for given id if possible
      *
      * <p>It would return null in following cases

Modified: jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java?rev=1830171&r1=1830170&r2=1830171&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java (original)
+++ jackrabbit/oak/trunk/oak-store-document/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java Thu Apr 26 08:06:14 2018
@@ -18,12 +18,14 @@ package org.apache.jackrabbit.oak.plugin
 
 import java.util.Collections;
 import java.util.List;
+import java.util.Random;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import com.google.common.base.Strings;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterables;
 
+import org.apache.commons.codec.binary.Hex;
 import org.apache.jackrabbit.oak.api.CommitFailedException;
 import org.apache.jackrabbit.oak.commons.PathUtils;
 import org.apache.jackrabbit.oak.plugins.document.DocumentMK;
@@ -302,6 +304,19 @@ public class UtilsTest {
     }
 
     @Test
+    public void encodeHexString() {
+        Random r = new Random(42);
+        for (int i = 0; i < 1000; i++) {
+            int len = r.nextInt(100);
+            byte[] data = new byte[len];
+            r.nextBytes(data);
+            // compare against commons codec implementation
+            assertEquals(Hex.encodeHexString(data),
+                    Utils.encodeHexString(data, new StringBuilder()).toString());
+        }
+    }
+
+    @Test
     public void isLocalChange() {
         RevisionVector empty = new RevisionVector();
         Revision r11 = Revision.fromString("r1-0-1");