Author: markt
Date: Tue Mar 13 14:43:57 2012
New Revision: 1300157
URL: http://svn.apache.org/viewvc?rev=1300157&view=rev
Log:
Add an HTTP header parser. The driver for this was an attempt to fix
https://issues.apache.org/bugzilla/show_bug.cgi?id=52811
Parsing HTTP headers as per RFC2616 is not always as simple as it first
appears. For headers that only use tokens the simple approach will normally be
sufficient. However, for the other headers, while simple code meets 99.9% of
cases, there are often some edge cases that make things far more complicated.
The purpose of this parser is to let the parser worry about the edge cases. It
provides strict parsing of HTTP header values assuming that wrapped header
lines have already been unwrapped. (The Tomcat header processing code does the
unwrapping.)
The parser currently supports parsing of the following HTTP header values as
per RFC 2616:
- Content-Type
Support for additional headers will be provided as required. A quick scan of
the Tomcat code base suggested a couple of places where using this parser may
be useful such as Ranges in the default servlet but there was not - at this
point - a compelling case for immediate replacement. The expectation is that as
problems are identified in header parsing, the fix will typically extend this
parser to support the problematic header and then use the parser rather than
custom code.
Added:
tomcat/tc7.0.x/trunk/java/org/apache/tomcat/util/http/parser/ (props
changed)
- copied from r1300154,
tomcat/trunk/java/org/apache/tomcat/util/http/parser/
tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/http/parser/
- copied from r1300154,
tomcat/trunk/test/org/apache/tomcat/util/http/parser/
Modified:
tomcat/tc7.0.x/trunk/ (props changed)
tomcat/tc7.0.x/trunk/.gitignore
tomcat/tc7.0.x/trunk/build.xml
Propchange: tomcat/tc7.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Mar 13 14:43:57 2012
@@ -1 +1 @@
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Modified: tomcat/tc7.0.x/trunk/.gitignore
URL:
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/.gitignore?rev=1300157&r1=1300156&r2=1300157&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/.gitignore (original)
+++ tomcat/tc7.0.x/trunk/.gitignore Tue Mar 13 14:43:57 2012
@@ -30,6 +30,7 @@ mvn.properties
.settings
*.iml
*.asc
+*.jj
*.tmp
maven-ant-tasks-*.jar
thumbs.db
Modified: tomcat/tc7.0.x/trunk/build.xml
URL:
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/build.xml?rev=1300157&r1=1300156&r2=1300157&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/build.xml (original)
+++ tomcat/tc7.0.x/trunk/build.xml Tue Mar 13 14:43:57 2012
@@ -458,11 +458,12 @@
<exclude name="res/checkstyle/header-al2.txt"/>
<!-- Exclude auto-generated files -->
<exclude name="java/org/apache/el/parser/ELParser*.java" />
- <exclude name="java/org/apache/el/parser/JJTELParserState.java" />
<exclude name="java/org/apache/el/parser/Node.java" />
- <exclude name="java/org/apache/el/parser/ParseException.java" />
- <exclude name="java/org/apache/el/parser/SimpleCharStream.java" />
- <exclude name="java/org/apache/el/parser/Token*.java" />
+ <exclude
name="java/org/apache/tomcat/util/http/parser/HttpParser*.java" />
+ <exclude name="java/org/apache/**/parser/JJT*ParserState.java" />
+ <exclude name="java/org/apache/**/parser/ParseException.java" />
+ <exclude name="java/org/apache/**/parser/SimpleCharStream.java" />
+ <exclude name="java/org/apache/**/parser/Token*.java" />
<!-- Exclude these else Gump runs validate on them -->
<exclude name="**/org/apache/tomcat/dbcp/**"/>
<exclude name="**/tomcat-deps/**"/>
Propchange: tomcat/tc7.0.x/trunk/java/org/apache/tomcat/util/http/parser/
------------------------------------------------------------------------------
--- svn:ignore (added)
+++ svn:ignore Tue Mar 13 14:43:57 2012
@@ -0,0 +1 @@
+HttpParser.jj
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