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Diffstat (limited to 'src/main/java/io/trygvis/rules/acme/AcmeIo.java')
-rw-r--r--src/main/java/io/trygvis/rules/acme/AcmeIo.java260
1 files changed, 0 insertions, 260 deletions
diff --git a/src/main/java/io/trygvis/rules/acme/AcmeIo.java b/src/main/java/io/trygvis/rules/acme/AcmeIo.java
deleted file mode 100644
index 456195d..0000000
--- a/src/main/java/io/trygvis/rules/acme/AcmeIo.java
+++ /dev/null
@@ -1,260 +0,0 @@
-package io.trygvis.rules.acme;
-
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.type.TypeFactory;
-import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
-import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator;
-import org.apache.commons.collections4.OrderedMap;
-import org.drools.core.common.DefaultFactHandle;
-import org.kie.api.KieBase;
-import org.kie.api.runtime.rule.FactHandle;
-
-import java.io.File;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.util.*;
-import java.util.function.Function;
-
-@SuppressWarnings("unchecked")
-public class AcmeIo {
- private final ObjectMapper mapper;
-
- public AcmeIo(KieBase kieBase) {
- var factory = new YAMLFactory();
- factory.enable(YAMLGenerator.Feature.USE_NATIVE_TYPE_ID);
- factory.enable(YAMLGenerator.Feature.USE_NATIVE_OBJECT_ID);
- mapper = new ObjectMapper(factory);
- var typeFactory = TypeFactory.defaultInstance()
- .withClassLoader(new AcmeClassLoader(kieBase));
- mapper.setTypeFactory(typeFactory);
- mapper.findAndRegisterModules();
- }
-
- public List<Object> load(String file) throws IOException {
- var parser = mapper.getFactory().createParser(new File(file));
-
- var objects = mapper.readValues(parser, AcmeObject.class).readAll(new ArrayList<>());
-
- List<Object> items = new ArrayList<>(objects.size());
- for (AcmeObject object : objects) {
- try {
- var type = mapper.getTypeFactory().findClass(object.type);
- var x = mapper.treeToValue(object.data, type);
- items.add(x);
- } catch (ClassNotFoundException e) {
- throw new IOException(e);
- }
- }
-
- return items;
- }
-
- public void dump(String s, Collection<FactHandle> factHandles) throws IOException {
- dump(s, factHandles, (o) -> true);
- }
-
- // This should just sort by all getters instead.
- static class FactCollection<T> {
- public final Class<T> type;
- public final List<T> values;
-
- public FactCollection(Class<T> type) {
- this.type = type;
- this.values = new ArrayList<>();
- }
-
- public void sort() {
- var comparator = comparable(type);
-
- this.values.sort(comparator);
- }
- }
-
- private static final Map<Class<?>, Comparator> comparators = new HashMap<>();
-
- private static <A, T extends Comparable<T>> Comparator comparable(Class<A> klass) {
- var comparator = comparators.get(klass);
- if (comparator != null) {
- return comparator;
- }
-
- // TODO: check if klass is a Comparable directly.
-
- var prioritizedKeys = List.of("key", "name", "fqdn");
-
- var discoveredFieldsP1 = new LinkedHashMap<String, Function<Object, Object>>();
- var discoveredFieldsP2 = new LinkedHashMap<String, Function<Object, Object>>();
-
- var prioritizedTypes = List.of(String.class, int.class, Number.class);
-
- for (var f : klass.getDeclaredFields()) {
- if (f.getDeclaringClass() == Object.class) {
- continue;
- }
-
- if (!f.trySetAccessible()) {
- continue;
- }
-
- var collection = discoveredFieldsP2;
-
- if (prioritizedTypes.contains(f.getType())) {
- collection = discoveredFieldsP1;
- }
-
- collection.put(f.getName(), (Object o) -> {
- try {
- return f.get(o);
- } catch (IllegalAccessException e) {
- throw new RuntimeException(e);
- }
- });
- }
-
-// for (var m : klass.getFields()) {
-// if (m.getParameterCount() != 0) {
-// continue;
-// }
-//
-// var name = m.getName();
-//
-// if (name.startsWith("get") && name.length() > 3 && Character.isUpperCase(name.charAt(4))) {
-// name = name.substring(3, 3).toLowerCase() + name.substring(4);
-// } else {
-// continue;
-// }
-//
-// if (!m.isAccessible()) {
-// if (!m.trySetAccessible())
-// return null;
-// }
-//
-// discoveredFields.put(name, m);
-// }
-
-// System.out.printf("Sorting %s by:%n", klass.getName());
-
- var discoveredFields = new LinkedHashMap<>(discoveredFieldsP1);
- discoveredFields.putAll(discoveredFieldsP2);
-
- List<Function<Object, Object>> accessors = new ArrayList<>();
- for (String prioritizedKey : prioritizedKeys) {
- var m = discoveredFields.remove(prioritizedKey);
- if (m == null) {
- continue;
- }
-
- accessors.add(m);
-// System.out.println(" + " + prioritizedKey);
- }
- accessors.addAll(discoveredFields.values());
-// discoveredFields.keySet().forEach((s)-> System.out.println(" - " + s));
-
- comparator = (a, b) -> {
-// if (klass.getName().contains("AcmeServer")) {
-// System.out.println("AcmeIo.comparable");
-// }
-
- for (var method : accessors) {
- var x = method.apply(a);
- var y = method.apply(b);
-
- if (x == null && y == null) {
- continue;
- }
-
- if (x == null) {
- return -1;
- } else if (y == null) {
- return 1;
- } else {
- var res = x.toString().compareTo(y.toString());
- if (res != 0) {
- return res;
- }
- }
- }
-
- return 0;
- };
-
- comparators.put(klass, comparator);
-
- return comparator;
- }
-
- public void dump(String s, Collection<FactHandle> factHandles, Function<Object, Boolean> filter) throws IOException {
- var out = new File("out");
-
- if (!out.isDirectory()) {
- if (!out.mkdirs()) {
- throw new IOException("Could not create directory: " + out);
- }
- }
-
- var facts = new TreeMap<Class<?>, FactCollection<Object>>(Comparator.comparing(Class::getName));
- for (var handle : factHandles) {
- if (handle instanceof DefaultFactHandle h) {
- var obj = h.getObject();
- if (!filter.apply(obj)) {
- continue;
- }
-
- Class<?> type = obj.getClass();
- var collection = facts.get(type);
-
- if (collection == null) {
- collection = new FactCollection(type);
- facts.put(type, collection);
- }
-
- collection.values.add(obj);
- }
- }
-
- var factory = mapper.getFactory();
- try (var writer = new FileWriter(new File(out, s + ".yaml"));
- var g = factory.createGenerator(writer)) {
- for (var e : facts.entrySet()) {
- var name = e.getKey().getName();
-
- var collection = e.getValue();
- collection.sort();
- for (var fact : collection.values) {
- g.writeObject(new AcmeObject(name, mapper.valueToTree(fact)));
- }
- }
- }
- }
-
- private static class AcmeClassLoader extends ClassLoader {
- private final KieBase kieBase;
-
- public AcmeClassLoader(KieBase kieBase) {
- this.kieBase = kieBase;
- }
-
- @Override
- public Class<?> loadClass(String name) throws ClassNotFoundException {
- try {
- return super.loadClass(name);
- } catch (ClassNotFoundException e) {
- var i = name.lastIndexOf('.');
- String pkg, klass;
- if (i == -1) {
- pkg = null;
- klass = name;
- } else {
- pkg = name.substring(0, i);
- klass = name.substring(i + 1);
- }
- var clazz = kieBase.getFactType(pkg, klass);
- if (clazz == null) {
- throw e;
- }
-
- return clazz.getFactClass();
- }
- }
- }
-}
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