[ openjms-Bugs-667591 ] Can't use "true" as property name

Bugs item #667591, was opened at 2003-01-14 06:08
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Category: specification
Group: v0.7.3.2
>Status: Closed
Resolution: Invalid
Priority: 5
Submitted By: Oh Jiung (ohju)
Assigned to: Jim Alateras (jalateras)
>Summary: Can't use "true" as property name

Initial Comment:
setBooleanProperty("true", true) throws JMSException.
"true" -- or any other reserved words of selector syntax --
 should be accepted as property name.
This breaks JORAM test testBoolean2Long.

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>Comment By: Tim Anderson (tanderson)
Date: 2003-01-15 11:15

Message:
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The words NULL, TRUE, NOT, etc are not allowed as 
property names. From section 3.5:
  Property names must obey the rules for a message 
  selector identifier. See Section 3.8.1.1, ”Message 
  Selector Syntax” for more information. 

The reason is, is that if any of these were used in a 
selector, the selector would be invalid, and 
InvalidSelectorException should be thrown.

Eg. suppose a JMS provider allowed:

  Message message = // get message
  message.setStringProperty("NOT", "foo");

To select the above message:
  String selector = "NOT = 'foo'"; // <-- INVALID !

From the javax.jms.Message javadoc, there is no 
requirement that a provider verify that the property 
names passed to the get*Property() methods are valid 
property names.






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Comment By: Oh Jiung (ohju)
Date: 2003-01-15 06:56

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JMS RI (Sun J2EE 1.3.1) shows somewhat erroneous 
behavior for 11 words: NULL, TRUE, FALSE, NOT, AND, OR, 
BETWEEN, LIKE, IN, IS, ESCAPE.

getStringProperty accepts all without exception.

setStringProperty accepts some;
throws "JMSException: message property name is invalid"
for following (case sensitive):
    NOT, AND, OR, BETWEEN, LIKE, IN, IS,
    NULL, TRUE, FALSE, null, true, false, Null, True, False, ..


It may be correct and consistent to accept all without 
exception.


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Comment By: Oh Jiung (ohju)
Date: 2003-01-15 05:06

Message:
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Those words cannot be property names in selector.
But spec doesn't exclude them from get/setProperty 
methods.


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Comment By: Tim Anderson (tanderson)
Date: 2003-01-14 12:16

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This is incorrect. Property names cannot be the reserved 
words: NULL, TRUE, FALSE, NOT, AND, OR, BETWEEN, 
LIKE, IN, IS (or case variations of these).

Refer to Section '3.8.1.1 Message Selector Syntax'  of the 
JMS specification, under the 'Identifiers' bullet point.

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