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/*
* Copyright (C) 2021 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.spi;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.processing.Filer;
import javax.annotation.processing.Messager;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.util.Elements;
import javax.tools.Diagnostic.Kind;
import javax.tools.FileObject;
import javax.tools.StandardLocation;
class SpiProcessorCollector {
private final Map<String, SpiProcessorService> services = new HashMap<String, SpiProcessorService>();
private final List<String> removed = new ArrayList<String>();
private final Elements elements;
private final Messager logger;
private final Filer filer;
SpiProcessorCollector(ProcessingEnvironment processingEnv) {
this.elements = processingEnv.getElementUtils();
this.logger = processingEnv.getMessager();
this.filer = processingEnv.getFiler();
}
SpiProcessorCollector(Elements elements, Messager logger, Filer filer) {
if (elements == null) throw new NullPointerException("elements");
if (logger == null) throw new NullPointerException("logger");
if (filer == null) throw new NullPointerException("filer");
this.elements = elements;
this.logger = logger;
this.filer = filer;
}
SpiProcessorService getService(String serviceName) {
if (serviceName == null) throw new NullPointerException("serviceName");
if (!services.containsKey(serviceName)) {
SpiProcessorService newService = new SpiProcessorService(serviceName);
CharSequence initialData = readInitialData(serviceName);
if (initialData != null) {
newService.addAllFromProvidersNameList(initialData.toString());
for (String provider : removed) newService.removeProvider(provider);
}
services.put(serviceName, newService);
}
return services.get(serviceName);
}
Collection<SpiProcessorService> services() {
return Collections.unmodifiableMap(services).values();
}
void removeProvider(String provider) {
if (provider == null) throw new NullPointerException("provider");
removed.add(provider);
for (SpiProcessorService service : services.values()) service.removeProvider(provider);
}
@Override public String toString() {
return services.values().toString();
}
private CharSequence readInitialData(String serviceName) {
String pathName = SpiProcessor.getRootPathOfServiceFiles() + serviceName;
FileObject resource;
try {
resource = filer.getResource(StandardLocation.CLASS_OUTPUT, "", pathName);
} catch (Exception e) {
logger.printMessage(Kind.ERROR, SpiProcessor.toErrorMsg(e, pathName));
return null;
}
return SpiProcessorPersistence.readFilerResource(resource, logger, pathName);
}
void stripProvidersWithoutSourceFile() {
for (SpiProcessorService s : services.values()) s.stripProvidersWithoutSourceFile(elements);
}
}
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