package org.qi4j.api.query.grammar;
import org.qi4j.api.composite.Composite;
import org.qi4j.api.property.Property;
/**
* Regular expression match Specification.
*/
public class MatchesSpecification
extends ExpressionSpecification
{
private PropertyFunction<String> property;
private Object value;
public MatchesSpecification( PropertyFunction<String> property, String regexp )
{
this.property = property;
this.value = regexp;
}
public MatchesSpecification( PropertyFunction<String> property, Variable variable )
{
this.property = property;
this.value = variable;
}
public PropertyFunction<String> property()
{
return property;
}
public Object value()
{
return value;
}
public String regexp()
{
return ( String ) value;
}
@Override
public boolean satisfiedBy( Composite item )
{
Property<String> prop = property.map( item );
if( prop == null )
{
return false;
}
String val = prop.get();
if( val == null )
{
return false;
}
return val.matches( ( String ) value );
}
@Override
public String toString()
{
return new StringBuilder()
.append( "( " )
.append( property )
.append( " matches " )
.append( "\"" )
.append( value )
.append( "\"" )
.append( " )" )
.toString();
}
}