| java.lang.Object
 org.gomba.Expression
| Expression | | final class Expression (Code) | | An Expression is created from a string containing ${} parameters. The
expression is evaluated by the replaceParameters method.
A ${} parameter has the following syntax:
domain.paramName JavaType defaultValue. JavaType and
defaultValue are optional.
Examples:
${param.myParam}
${param.myParam java.lang.Integer}
${param.myParam java.lang.Integer 10}
${path.1}
${column.myColumn java.util.Date}
author:
Flavio Tordini
version:
$Id: Expression.java,v 1.4 2004/11/29 17:27:38 flaviotordini Exp $ |
| Method Summary | |
| public static void | parseParameters(String expression, Vector fragments, Vector parameters)
Parse parameters. | | public Object | replaceParameters(ParameterResolver parameterResolver)
Replaces ${domain.paramName} expressions in the given
query definition with the actual values.
Parameters:
parameterResolver - The object used to resolve parameters
exception:
Exception - if the string contains an opening ${without a closing } the original string with the properties replaced by questionmarks. |
| parseParameters | | public static void parseParameters(String expression, Vector fragments, Vector parameters) throws Exception(Code) | | Parse parameters. Fill the fragments with string literals and parameters
with ParameterDefinition objects. For each parameter a
null value is placed is the fragments vector and viceversa.
|
| replaceParameters | | public Object replaceParameters(ParameterResolver parameterResolver) throws Exception(Code) | | Replaces ${domain.paramName} expressions in the given
query definition with the actual values.
Parameters:
parameterResolver - The object used to resolve parameters
exception:
Exception - if the string contains an opening ${without a closing } the original string with the properties replaced by questionmarks. If the original string contains only a ${} parameter, thetyped value of that parameter is returned, otherwise aString is returned. |
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