/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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 org.revapi.java.transforms.annotations;
import java.io.Reader;
import java.util.Locale;
import java.util.regex.Pattern;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.lang.model.element.ElementKind;
import org.revapi.AnalysisContext;
import org.revapi.Difference;
import org.revapi.DifferenceTransform;
import org.revapi.java.spi.Code;
import org.revapi.java.spi.JavaTypeElement;
/**
* @author Lukas Krejci
* @since 0.3.0
*/
public class NoLongerPresent implements DifferenceTransform<JavaTypeElement> {
private Locale locale;
@Nonnull
@Override
public Pattern[] getDifferenceCodePatterns() {
return new Pattern[]{Pattern.compile("java\\.class\\.removed")};
}
@Override
public @Nullable Difference transform(@Nullable JavaTypeElement oldElement, @Nullable JavaTypeElement newElement,
@Nonnull Difference difference) {
if (oldElement == null || newElement != null) {
return difference;
}
if (oldElement.getDeclaringElement().getKind() == ElementKind.ANNOTATION_TYPE) {
return Code.ANNOTATION_NO_LONGER_PRESENT.createDifference(locale,
Code.attachmentsFor(oldElement, newElement));
} else {
return difference;
}
}
@Override
public void close() throws Exception {
}
@Override
public String[] getConfigurationRootPaths() {
return null;
}
@Override
public @Nullable Reader getJSONSchema(String configurationRootPath) {
return null;
}
@Override
public void initialize(AnalysisContext analysisContext) {
this.locale = analysisContext.getLocale();
}
}