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Neuron DI for Java

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/*
 * Copyright © 2016 - 2019 Schlichtherle IT Services
 *
 * 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
 *
 *     https://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 global.namespace.neuron.di.internal;

import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.Messager;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;

import static javax.tools.Diagnostic.Kind.ERROR;
import static javax.tools.Diagnostic.Kind.WARNING;

abstract class CommonProcessor extends AbstractProcessor {

    @Override
    public SourceVersion getSupportedSourceVersion() {
        // Suppress the following warning from the Java compiler, where X < Y:
        // Supported source version 'RELEASE_' from annotation processor 'global.namespace.neuron.di.internal.<*>' less than -source ''
        return SourceVersion.latest();
    }

    private Messager messager() {
        return processingEnv.getMessager();
    }

    void error(CharSequence message, Element e) {
        messager().printMessage(ERROR, message, e);
    }

    void warn(CharSequence message, Element e) {
        messager().printMessage(WARNING, message, e);
    }
}