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From "George F. (JIRA)" <j...@apache.org>
Subject [jira] Created: (TORQUE-3) Generator: resolving database.dtd in org.apache.torque.engine.database.transform.DTDResolver.java
Date Thu, 20 Apr 2006 09:06:06 GMT
Generator: resolving database.dtd in org.apache.torque.engine.database.transform.DTDResolver.java

         Key: TORQUE-3
         URL: http://issues.apache.org/jira/browse/TORQUE-3
     Project: Torque
        Type: Improvement

    Versions: 3.2    
 Environment: Windows XP, JDK 1.4 (I don't think this matters)
    Reporter: George F.
    Priority: Minor

In class org.apache.torque.engine.database.transform.DTDResolver the DTD for the XMP schema
files is retrieved via either a (1) getResourceAsStream("database.dtd") call, a (2) getInputSource("http://db.apache.org/torque/dtd/database_3_2.dtd")
or a (3) getInputSource("systemId"), where systemId is typically made up of the system designator
in the DOCTYPE statement inside the XML schema file prepended with the absolute path of the
location of the current working directory or directory from which the generator.

Usually the database.dtd is found in the class path (method 1), since it is delivered with
the generator jar. However, as soon as we do something like this in the XML file: <!DOCTYPE
database SYSTEM "database.dtd"> the generator does not work any more, unless we place a
copy of database.dtd at the current working directory (thus, system reverts to (3)). This
behaviour comes from this line in method resolveEntity:
        if (databaseDTD != null  && (WEB_SITE_DTD.equals(systemId))
since the systemId in this case looks something like this: file:///d:torque/torque-gen-3.2/database.dtd
and of course does not match the WEB_SITE_DTD string.
My suggestion : change this line to 
        if (databaseDTD != null)
and everything works fine.

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