/*
 * Copyright 2013 Xi CHEN
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.seanchenxi.gwt.storage.rebind;

import java.util.HashSet;
import java.util.Set;

import com.google.gwt.core.ext.GeneratorContext;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.core.ext.typeinfo.JMethod;
import com.google.gwt.core.ext.typeinfo.JParameterizedType;
import com.google.gwt.core.ext.typeinfo.JType;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
import com.seanchenxi.gwt.storage.client.StorageKeyProvider;

/**
 * User: Xi
 */
public class TypeProviderFinder extends StorageTypeFinder {

  private final TypeOracle typeOracle;
  private final TreeLogger logger;

  TypeProviderFinder(GeneratorContext context, TreeLogger logger) throws UnableToCompleteException {
    this.typeOracle = context.getTypeOracle();
    this.logger = logger;
  }

  @Override
  public Set<JType> findStorageTypes() throws UnableToCompleteException {
    Set<JType> serializables = new HashSet<JType>();

    JClassType keyProviderIntf = typeOracle.findType(StorageKeyProvider.class.getName());
    JClassType[] keyProviderTypes = keyProviderIntf.getSubtypes();
    for (JClassType keyProviderType : keyProviderTypes) {
      for (JMethod method : keyProviderType.getMethods()) {
        if(method.isStatic()){
          continue;
        }
        JParameterizedType storageKeyType = method.getReturnType().isParameterized();
        if (storageKeyType != null) {
          JClassType type = storageKeyType.getTypeArgs()[0];
          addIfIsValidType(serializables, type, logger);
        }
      }
    }
    return serializables;
  }
}

@@ -1169,22 +1169,21 @@
  Xi%0A */%0A
-public
+final
  class T

update class visibility