001/**
002 * Copyright 2013 John Ericksen
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *    http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.androidtransfuse.analysis.astAnalyzer.validation;
017
018import com.google.common.collect.ImmutableSet;
019import org.androidtransfuse.adapter.ASTAnnotation;
020import org.androidtransfuse.adapter.ASTBase;
021import org.androidtransfuse.adapter.ASTType;
022import org.androidtransfuse.validation.Validator;
023
024/**
025 * @author John Ericksen
026 */
027public class AnnotationAccompaniesValidator implements AnnotationValidator {
028
029    private final Validator validator;
030    private final ImmutableSet<ASTType> requiredAnnotations;
031    private final String message;
032
033    public AnnotationAccompaniesValidator(Validator validator, ImmutableSet<ASTType> requiredAnnotations, String message) {
034        this.validator = validator;
035        this.requiredAnnotations = requiredAnnotations;
036        this.message = message;
037    }
038
039    @Override
040    public void validate(ASTAnnotation annotation, ASTBase astBase, ImmutableSet<ASTAnnotation> applicableAnnotations) {
041        boolean found = false;
042        for (ASTAnnotation applicableAnnotation : applicableAnnotations) {
043            if(requiredAnnotations.contains(applicableAnnotation.getASTType())){
044                found = true;
045            }
046        }
047        if(!found){
048            validator.error(message)
049                    .element(astBase)
050                    .annotation(annotation)
051                    .build();
052        }
053    }
054}