/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.myfaces.tobago.apt;

import com.sun.mirror.apt.AnnotationProcessor;
import com.sun.mirror.apt.AnnotationProcessorEnvironment;
import com.sun.mirror.declaration.AnnotationTypeDeclaration;
import com.sun.mirror.declaration.Declaration;
import com.sun.mirror.util.DeclarationVisitors;

import java.util.Collection;
import java.util.Set;


public class CheckstyleConfigAnnotationProcessor implements AnnotationProcessor {
  private final AnnotationProcessorEnvironment env;
  private final Set<AnnotationTypeDeclaration> atds;

  public CheckstyleConfigAnnotationProcessor(
      Set<AnnotationTypeDeclaration> atds,
      AnnotationProcessorEnvironment env) {
    this.atds = atds;
    this.env = env;
    this.env.getMessager().printNotice("Starting annotation process");
  }

  public void process() {
    CheckstyleConfigAnnotationVisitor visitor = new CheckstyleConfigAnnotationVisitor(env);

    for (AnnotationTypeDeclaration atd : atds) {
      env.getMessager().printNotice("Collecting annotation "+atd);
      Collection<Declaration> declarations = env.getDeclarationsAnnotatedWith(atd);
      for (Declaration declaration : declarations) {
        declaration.accept(DeclarationVisitors.getDeclarationScanner(visitor, DeclarationVisitors.NO_OP));
      }
    }
    try {
      visitor.process();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}
