information-system-model-do.../src/main/java/org/gcube/informationsystem/utils/documentation/DocGenerator.java

122 lines
3.6 KiB
Java

package org.gcube.informationsystem.utils.documentation;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.StandardOpenOption;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.ServiceLoader;
import org.gcube.informationsystem.base.reference.AccessType;
import org.gcube.informationsystem.base.reference.Element;
import org.gcube.informationsystem.types.TypeMapper;
import org.gcube.informationsystem.types.reference.Type;
import org.gcube.informationsystem.utils.discovery.ElementSpecilizationDiscovery;
import org.gcube.informationsystem.utils.discovery.RegistrationProvider;
import org.gcube.informationsystem.utils.documentation.model.DocumentationGenerator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author Luca Frosini (ISTI - CNR)
*/
public class DocGenerator {
private static final Logger logger = LoggerFactory.getLogger(DocGenerator.class);
protected File baseDirectory;
public DocGenerator(File baseDirectory) {
this.baseDirectory = baseDirectory;
}
protected List<Package> getPackages(){
List<Package> packages = new ArrayList<Package>();
AccessType[] accessTypes = new AccessType[] {
AccessType.PROPERTY,
AccessType.ENTITY,
AccessType.RELATION
};
for(AccessType accessType : accessTypes) {
Class<Element> clz = accessType.getTypeClass();
packages.add(clz.getPackage());
}
ServiceLoader<? extends RegistrationProvider> regsitrationProviders = ServiceLoader
.load(RegistrationProvider.class);
for(RegistrationProvider registrationProvider : regsitrationProviders) {
packages.addAll(registrationProvider.getPackagesToRegister());
}
return packages;
}
public void generate() throws Exception {
List<Package> pkgs = getPackages();
generate(pkgs.toArray(new Package[pkgs.size()]));
}
protected File getFile(ModelTypes cm) throws IOException {
String fileName = cm.getFilename();
File file = new File(fileName);
if(cm.requiresNewFile()) {
if(file.exists()) {
file.delete();
}
}
if(!file.exists()) {
logger.info("Goign to create {}", file.getAbsolutePath());
file.createNewFile();
}
return file;
}
protected <E extends Element> void generateAllOfType(ModelTypes cm, Package[] packages) throws Exception {
ElementSpecilizationDiscovery<E> discovery = new ElementSpecilizationDiscovery<>(cm.getAccessType().getTypeClass());
if(Objects.nonNull(packages)) {
Arrays.stream(packages).forEach(p -> discovery.addPackage(p));
}
discovery.discover();
File f = getFile(cm);
for(Class<? extends E> clz : discovery.getDiscovered()) {
Type type = TypeMapper.createTypeDefinition(clz);
DocumentationGenerator dgInstance = cm.getDocumentationGeneratorInstance(type);
StringBuffer sb = dgInstance.generateSection();
Files.write(f.toPath(), sb.toString().getBytes(), StandardOpenOption.APPEND);
}
}
protected void generateSingle(ModelTypes cm) throws Exception {
File f = getFile(cm);
Class<? extends Element> clz = cm.getAccessType().getTypeClass();
Type type = TypeMapper.createTypeDefinition(clz);
DocumentationGenerator dgInstance = cm.getDocumentationGeneratorInstance(type);
StringBuffer sb = dgInstance.generateSection();
Files.write(f.toPath(), sb.toString().getBytes(), StandardOpenOption.APPEND);
}
protected void generate(Package[] packages) throws Exception {
for(ModelTypes cm : ModelTypes.values()) {
if(cm.discover()) {
generateAllOfType(cm, packages);
}else {
generateSingle(cm);
}
}
}
}