Michael Pätzold created CAMEL-13962:
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Summary: OgnlHelper.splitOgnl not able to handle Regex properly
Key: CAMEL-13962
URL: https://issues.apache.org/jira/browse/CAMEL-13962
Project: Camel
Issue Type: Bug
Components: camel-core
Affects Versions: 3.0.0.RC1, 2.24.1
Reporter: Michael Pätzold
The splitOgnl method cannot properly handle an expression if it contains
numerous paranthesis brackets and dots what is very likely in case you want to
use regular expressions.
The following examples tries to extract a specific cookie value from the cookie
string that's containes within the headers:
{code:java}
@Test
public void splitOgnlWithRegexInMethod() {
String ognl =
"header.cookie.replaceFirst(\".*;?iwanttoknow=([^;]+);?.*\", \"$1\")";
assertFalse(OgnlHelper.isInvalidValidOgnlExpression(ognl));
assertTrue(OgnlHelper.isValidOgnlExpression(ognl));
List<String> strings = OgnlHelper.splitOgnl(ognl);
assertEquals(3, strings.size());
assertEquals("header", strings.get(0));
assertEquals(".cookie", strings.get(1));
assertEquals(".replaceFirst(\".*;?iwanttoknow=([^;]+);?.*\", \"$1\")",
strings.get(2));
}
{code}
The test fails using the current code base since the regular expression itself
is split at the first dot after the first closing paranthesis bracket.
If you'll agree that this is a bug I can come up with a possible solution that
takes the amount of opening/closing brackets into account via PR.
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