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Library of compiler components to processs Java code.

There is a newer version: 2.3.10

/*
 Copyright (C) 2015 Raquel Pau and Albert Coroleu.
 
Walkmod is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Walkmod is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with Walkmod.  If not, see .*/
package org.walkmod.javalang.compiler.reflection;

import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.walkmod.javalang.ast.expr.Expression;
import org.walkmod.javalang.compiler.CollectionFilter;

import org.walkmod.javalang.compiler.symbols.SymbolType;

public class RequiredMethodSignaturePredicate implements TypeMappingPredicate {

   private CollectionFilter> resultTypeFilters;

   private GenericsBuilderFromArgs b2 = new GenericsBuilderFromArgs();

   private List argumentValues;

   private Map typeMapping;

   public RequiredMethodSignaturePredicate() {
   }

   public RequiredMethodSignaturePredicate(CollectionFilter> resultTypeFilters,
         List argumentValues, Map typeMapping) {
      this.argumentValues = argumentValues;
      this.typeMapping = typeMapping;
      this.resultTypeFilters = resultTypeFilters;
   }

   public void setResultTypeFilters(CollectionFilter> resultTypeFilters) {
      this.resultTypeFilters = resultTypeFilters;
   }

   public void setArgumentValues(List argumentValues) {
      this.argumentValues = argumentValues;
   }

   @Override
   public void setTypeMapping(Map typeMapping) {
      this.typeMapping = typeMapping;
   }

   @Override
   public boolean filter(Method method) throws Exception {

      if (resultTypeFilters != null) {
         b2.setMethod(method);
         b2.setArgumentValues(argumentValues);

         typeMapping = b2.build(new HashMap(typeMapping));
         SymbolType result = SymbolType.valueOf(method, typeMapping);
         List> classes = result.getBoundClasses();
         resultTypeFilters.setElements(classes);
         return resultTypeFilters.filterOne() != null;

      }

      return false;
   }

}