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package org.relaxng.datatype;
/**
* Creates a user-defined type by adding parameters to
* the pre-defined type.
*
* @author <a href="mailto:jjc@jclark.com">James Clark</a>
* @author <a href="mailto:kohsuke.kawaguchi@sun.com">Kohsuke KAWAGUCHI</a>
*/
public interface DatatypeBuilder {
/**
* Adds a new parameter.
*
* @param name
* The name of the parameter to be added.
* @param strValue
* The raw value of the parameter. Caller may not normalize
* this value because any white space is potentially significant.
* @param context
* The context information which can be used by the callee to
* acquire additional information. This context object is
* valid only during this method call. The callee may not
* keep a reference to this object.
* @exception DatatypeException
* When the given parameter is inappropriate for some reason.
* The callee is responsible to recover from this error.
* That is, the object should behave as if no such error
* was occured.
*/
void addParameter( String name, String strValue, ValidationContext context )
throws DatatypeException;
/**
* Derives a new Datatype from a Datatype by parameters that
* were already set through the addParameter method.
*
* @exception DatatypeException
* DatatypeException must be thrown if the derivation is
* somehow invalid. For example, a required parameter is missing,
* etc. The exception should contain a diagnosis message
* if possible.
*/
Datatype createDatatype() throws DatatypeException;
}
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