First of all, please prefix the subject with the name of the component
you are interest in (as I have done now) because this is a shared list.
Response below.
Pavel Savara schrieb:
Hi,
When we use brackets in property key we get an exception every time.
Escaping brackets with \ doesn't help and i haven't found any mention
that brackets are special characters in documentation
we use common-configuration 1.5
Thanks for help.
I guess you use DefaultConfigurationBuilder for loading a combined
configuration?
The exception is due to the fact that brackets have a special meaning in
the query syntax for hierarchical configurations.
(DefaultConfigurationBuilder transforms all configuration sources into
hierarchical configurations, so also for properties, which are not
hierarchical by default, the same rules apply.)
So far escaping brackets or other specific characters in property keys
is not supported. It seems to be rather unusual to use brackets in
property keys, so you may well be the first one who noticed this problem.
Unfortunately I don't have a working solution for this problem right
now. I would like to ask you to create a new ticket in out bug tracking
system [1], so this issue won't get lost.
Thanks
Oliver
[1] http://commons.apache.org/configuration/issue-tracking.html
Example
#property in property file
test(ef)=false
causes
java.lang.NumberFormatException: For input string: "ef"
at
java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
at java.lang.Integer.parseInt(Integer.java:447)
at java.lang.Integer.parseInt(Integer.java:497)
at org.apache.commons.configuration.tree.DefaultConfigurationKey
$KeyIterator.checkIndex(DefaultConfigurationKey.java:834)
at org.apache.commons.configuration.tree.DefaultConfigurationKey
$KeyIterator.nextKey(DefaultConfigurationKey.java:511)
at
org.apache.commons.configuration.tree.DefaultExpressionEngine.findNodesForKey(DefaultExpressionEngine.java:462)
at
org.apache.commons.configuration.tree.DefaultExpressionEngine.query(DefaultExpressionEngine.java:286)
at
org.apache.commons.configuration.HierarchicalConfiguration.fetchNodeList(HierarchicalConfiguration.java:925)
at
org.apache.commons.configuration.HierarchicalConfiguration.setProperty(HierarchicalConfiguration.java:735)
at
org.apache.commons.configuration.ConfigurationUtils.copy(ConfigurationUtils.java:143)
at
org.apache.commons.configuration.ConfigurationUtils.convertToHierarchical(ConfigurationUtils.java:199)
at org.apache.commons.configuration.CombinedConfiguration
$ConfigData.getTransformedRoot(CombinedConfiguration.java:794)
at
org.apache.commons.configuration.CombinedConfiguration.constructCombinedNode(CombinedConfiguration.java:653)
at
org.apache.commons.configuration.CombinedConfiguration.getRootNode(CombinedConfiguration.java:504)
at
org.apache.commons.configuration.HierarchicalConfiguration.fetchNodeList(HierarchicalConfiguration.java:925)
at
org.apache.commons.configuration.HierarchicalConfiguration.getProperty(HierarchicalConfiguration.java:327)
at
org.apache.commons.configuration.CombinedConfiguration.getProperty(CombinedConfiguration.java:578)
at
org.apache.commons.configuration.AbstractConfiguration.resolveContainerStore(AbstractConfiguration.java:1155)
at
org.apache.commons.configuration.AbstractConfiguration.getString(AbstractConfiguration.java:1034)
at
org.apache.commons.configuration.AbstractConfiguration.getString(AbstractConfiguration.java:1017)
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