ollie.internal.codegen.OllieProcessor.java Source code

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Here is the source code for ollie.internal.codegen.OllieProcessor.java

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/*
 * Copyright (C) 2014 Michael Pardo
 *
 * 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 ollie.internal.codegen;

import com.google.auto.service.AutoService;
import com.google.common.collect.ImmutableSet;
import ollie.annotation.Column;
import ollie.internal.Migration;
import ollie.annotation.Table;
import ollie.internal.TypeAdapter;
import ollie.internal.codegen.step.*;

import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.ProcessingEnvironment;
import javax.annotation.processing.Processor;
import javax.annotation.processing.RoundEnvironment;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.TypeElement;
import java.util.Set;

@AutoService(Processor.class)
public class OllieProcessor extends AbstractProcessor {
    private ImmutableSet<? extends ProcessingStep> processingSteps;
    private Registry registry;

    @Override
    public SourceVersion getSupportedSourceVersion() {
        return SourceVersion.latestSupported();
    }

    @Override
    public Set<String> getSupportedAnnotationTypes() {
        return ImmutableSet.of(Migration.class.getName(), TypeAdapter.class.getName(), Table.class.getName(),
                Column.class.getName());
    }

    @Override
    public synchronized void init(ProcessingEnvironment processingEnv) {
        super.init(processingEnv);

        registry = new Registry(processingEnv.getMessager(), processingEnv.getTypeUtils(),
                processingEnv.getElementUtils(), processingEnv.getFiler());

        processingSteps = ImmutableSet.of(new MigrationStep(registry), new TypeAdapterStep(registry),
                new ColumnStep(registry), new ModelAdapterStep(registry), new AdapterHolderStep(registry));
    }

    @Override
    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
        for (ProcessingStep processingStep : processingSteps) {
            processingStep.process(annotations, roundEnv);
        }
        return false;
    }
}