Author: fschumacher
Date: Thu Jan 22 20:28:51 2015
New Revision: 1654042

URL: http://svn.apache.org/r1654042
Log:
Enable UEncoder instances to share safeChars BitSet while ensuring that the
shared BitSet is immutable to be threadsafe.

Change Response to use UEncoder instances with shared safeChars.

Merge 1654013 from /tomcat/trunk

Modified:
    tomcat/tc8.0.x/trunk/   (props changed)
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/connector/Response.java
    tomcat/tc8.0.x/trunk/java/org/apache/tomcat/util/buf/UEncoder.java
    tomcat/tc8.0.x/trunk/test/org/apache/tomcat/util/buf/TestUEncoder.java
    tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml

Propchange: tomcat/tc8.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Thu Jan 22 20:28:51 2015
@@ -1 +1 @@
-/tomcat/trunk:1636524,1637156,1637176,1637188,1637331,1637684,1637695,1638720-1638725,1639653,1640010,1640083-1640084,1640088,1640275,1640322,1640347,1640361,1640365,1640403,1640410,1640652,1640655-1640658,1640688,1640700-1640883,1640903,1640976,1640978,1641000,1641026,1641038-1641039,1641051-1641052,1641058,1641064,1641300,1641369,1641374,1641380,1641486,1641634,1641656-1641692,1641704,1641707-1641718,1641720-1641722,1641735,1641981,1642233,1642280,1642554,1642564,1642595,1642606,1642668,1642679,1642697,1642699,1642766,1643002,1643045,1643054-1643055,1643066,1643121,1643128,1643206,1643209-1643210,1643216,1643249,1643270,1643283,1643309-1643310,1643323,1643365-1643366,1643370-1643371,1643465,1643474,1643536,1643570,1643634,1643649,1643651,1643654,1643675,1643731,1643733-1643734,1643761,1643766,1643814,1643937,1643963,1644017,1644169,1644201-1644203,1644321,1644323,1644516,1644523,1644529,1644535,1644730,1644768,1644784-1644785,1644790,1644793,1644815,1644884,1644886,1644890,1644892
 
,1644910,1644924,1644929-1644930,1644935,1644989,1645011,1645247,1645355,1645357-1645358,1645455,1645465,1645469,1645471,1645473,1645475,1645486-1645488,1645626,1645641,1645685,1645743,1645763,1645951-1645953,1645955,1645993,1646098-1646106,1646178,1646220,1646302,1646304,1646420,1646470-1646471,1646476,1646559,1646717-1646723,1646773,1647026,1647042,1647530,1647655,1648304,1648815,1648907,1650081,1650365,1651116,1651120,1651280,1651470,1652938,1652970,1653041,1653471,1653550,1653574,1653797,1653815-1653816,1653819,1653840,1653857
+/tomcat/trunk:1636524,1637156,1637176,1637188,1637331,1637684,1637695,1638720-1638725,1639653,1640010,1640083-1640084,1640088,1640275,1640322,1640347,1640361,1640365,1640403,1640410,1640652,1640655-1640658,1640688,1640700-1640883,1640903,1640976,1640978,1641000,1641026,1641038-1641039,1641051-1641052,1641058,1641064,1641300,1641369,1641374,1641380,1641486,1641634,1641656-1641692,1641704,1641707-1641718,1641720-1641722,1641735,1641981,1642233,1642280,1642554,1642564,1642595,1642606,1642668,1642679,1642697,1642699,1642766,1643002,1643045,1643054-1643055,1643066,1643121,1643128,1643206,1643209-1643210,1643216,1643249,1643270,1643283,1643309-1643310,1643323,1643365-1643366,1643370-1643371,1643465,1643474,1643536,1643570,1643634,1643649,1643651,1643654,1643675,1643731,1643733-1643734,1643761,1643766,1643814,1643937,1643963,1644017,1644169,1644201-1644203,1644321,1644323,1644516,1644523,1644529,1644535,1644730,1644768,1644784-1644785,1644790,1644793,1644815,1644884,1644886,1644890,1644892
 
,1644910,1644924,1644929-1644930,1644935,1644989,1645011,1645247,1645355,1645357-1645358,1645455,1645465,1645469,1645471,1645473,1645475,1645486-1645488,1645626,1645641,1645685,1645743,1645763,1645951-1645953,1645955,1645993,1646098-1646106,1646178,1646220,1646302,1646304,1646420,1646470-1646471,1646476,1646559,1646717-1646723,1646773,1647026,1647042,1647530,1647655,1648304,1648815,1648907,1650081,1650365,1651116,1651120,1651280,1651470,1652938,1652970,1653041,1653471,1653550,1653574,1653797,1653815-1653816,1653819,1653840,1653857,1654013

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/connector/Response.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/connector/Response.java?rev=1654042&r1=1654041&r2=1654042&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/connector/Response.java 
(original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/connector/Response.java Thu 
Jan 22 20:28:51 2015
@@ -50,6 +50,7 @@ import org.apache.catalina.util.SessionC
 import org.apache.coyote.ActionCode;
 import org.apache.tomcat.util.buf.CharChunk;
 import org.apache.tomcat.util.buf.UEncoder;
+import org.apache.tomcat.util.buf.UEncoder.SafeCharsSet;
 import org.apache.tomcat.util.http.FastHttpDateFormat;
 import org.apache.tomcat.util.http.MimeHeaders;
 import org.apache.tomcat.util.http.parser.MediaTypeCache;
@@ -89,7 +90,6 @@ public class Response
     }
 
     public Response() {
-        urlEncoder.addSafeCharacter('/');
     }
 
 
@@ -242,7 +242,7 @@ public class Response
     /**
      * URL encoder.
      */
-    protected final UEncoder urlEncoder = new UEncoder();
+    protected final UEncoder urlEncoder = new 
UEncoder(SafeCharsSet.WITH_SLASH);
 
 
     /**

Modified: tomcat/tc8.0.x/trunk/java/org/apache/tomcat/util/buf/UEncoder.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/tomcat/util/buf/UEncoder.java?rev=1654042&r1=1654041&r2=1654042&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/tomcat/util/buf/UEncoder.java 
(original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/tomcat/util/buf/UEncoder.java Thu Jan 
22 20:28:51 2015
@@ -32,6 +32,22 @@ import java.util.BitSet;
  */
 public final class UEncoder {
 
+    public enum SafeCharsSet {
+        WITH_SLASH("/"), DEFAULT("");
+        private final BitSet safeChars;
+
+        private BitSet getSafeChars() {
+            return this.safeChars;
+        }
+
+        private SafeCharsSet(String additionalSafeChars) {
+            safeChars = initialSafeChars();
+            for (char c : additionalSafeChars.toCharArray()) {
+                safeChars.set(c);
+            }
+        }
+    }
+
     // Not static - the set may differ ( it's better than adding
     // an extra check for "/", "+", etc
     private BitSet safeChars=null;
@@ -39,14 +55,34 @@ public final class UEncoder {
     private ByteChunk bb=null;
     private CharChunk cb=null;
     private CharChunk output=null;
+    private final boolean readOnlySafeChars;
 
     private final String ENCODING = "UTF8";
 
     public UEncoder() {
-        initSafeChars();
+        this.safeChars = initialSafeChars();
+        readOnlySafeChars = false;
     }
 
+    /**
+     * Create a UEncoder with an unmodifiable safe character set.
+     * <p>
+     * Calls to {@link UEncoder#addSafeCharacter(char) addSafeCharacter(char)}
+     * on instances created by this constructor will throw an
+     * {@link IllegalStateException}.
+     * 
+     * @param safeCharsSet
+     *            safe characters for this encoder
+     */
+    public UEncoder(SafeCharsSet safeCharsSet) {
+        this.safeChars = safeCharsSet.getSafeChars();
+        readOnlySafeChars = true;
+    }
+ 
     public void addSafeCharacter( char c ) {
+        if (readOnlySafeChars) {
+            throw new IllegalStateException("UEncoders safeChararacters are 
read only");
+        }
         safeChars.set( c );
     }
 
@@ -116,33 +152,34 @@ public final class UEncoder {
 
     // -------------------- Internal implementation --------------------
 
-    private void initSafeChars() {
-        safeChars=new BitSet(128);
+    private static BitSet initialSafeChars() {
+        BitSet initialSafeChars=new BitSet(128);
         int i;
         for (i = 'a'; i <= 'z'; i++) {
-            safeChars.set(i);
+            initialSafeChars.set(i);
         }
         for (i = 'A'; i <= 'Z'; i++) {
-            safeChars.set(i);
+            initialSafeChars.set(i);
         }
         for (i = '0'; i <= '9'; i++) {
-            safeChars.set(i);
+            initialSafeChars.set(i);
         }
         //safe
-        safeChars.set('$');
-        safeChars.set('-');
-        safeChars.set('_');
-        safeChars.set('.');
+        initialSafeChars.set('$');
+        initialSafeChars.set('-');
+        initialSafeChars.set('_');
+        initialSafeChars.set('.');
 
         // Dangerous: someone may treat this as " "
         // RFC1738 does allow it, it's not reserved
-        //    safeChars.set('+');
+        //    initialSafeChars.set('+');
         //extra
-        safeChars.set('!');
-        safeChars.set('*');
-        safeChars.set('\'');
-        safeChars.set('(');
-        safeChars.set(')');
-        safeChars.set(',');
+        initialSafeChars.set('!');
+        initialSafeChars.set('*');
+        initialSafeChars.set('\'');
+        initialSafeChars.set('(');
+        initialSafeChars.set(')');
+        initialSafeChars.set(',');
+        return initialSafeChars;
     }
 }

Modified: tomcat/tc8.0.x/trunk/test/org/apache/tomcat/util/buf/TestUEncoder.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/test/org/apache/tomcat/util/buf/TestUEncoder.java?rev=1654042&r1=1654041&r2=1654042&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/test/org/apache/tomcat/util/buf/TestUEncoder.java 
(original)
+++ tomcat/tc8.0.x/trunk/test/org/apache/tomcat/util/buf/TestUEncoder.java Thu 
Jan 22 20:28:51 2015
@@ -20,6 +20,9 @@ package org.apache.tomcat.util.buf;
 import java.io.IOException;
 
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import org.apache.tomcat.util.buf.UEncoder.SafeCharsSet;
 import org.junit.Test;
 
 /**
@@ -45,4 +48,27 @@ public class TestUEncoder {
         assertTrue(urlEncoder.encodeURL(s, 0, s.length())
                 .equals("%f0%90%90%81"));
     }
+
+    @Test
+    public void testEncodeURLWithSlashInit() throws IOException {
+        UEncoder urlEncoder = new UEncoder(SafeCharsSet.WITH_SLASH);
+
+        String s = "a+b/c/d+e.class";
+        assertTrue(urlEncoder.encodeURL(s, 0, s.length()).equals(
+                "a%2bb/c/d%2be.class"));
+        assertTrue(urlEncoder.encodeURL(s, 2, s.length() - 2).equals(
+                "b/c/d%2be.cla"));
+
+        try {
+            urlEncoder.addSafeCharacter('+');
+            fail();
+        } catch (IllegalStateException e) {
+            // OK
+        }
+
+        s = new String(new char[] { 0xD801, 0xDC01 });
+        assertTrue(urlEncoder.encodeURL(s, 0, s.length())
+                .equals("%f0%90%90%81"));
+    }
+
 }

Modified: tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml?rev=1654042&r1=1654041&r2=1654042&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml Thu Jan 22 20:28:51 2015
@@ -94,6 +94,10 @@
         the request when using non-blocking reads with the HTTP BIO connector.
         (markt)
       </fix>
+      <fix>
+        Change Response to use UEncoder instances with shared safeChars. 
+        (fschumacher)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Jasper">



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