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659218682e
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f89ae5e425
@ -2,36 +2,22 @@ package net.tomatentum.marinara.checks;
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import java.lang.annotation.Annotation;
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import java.lang.annotation.Annotation;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.Arrays;
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import net.tomatentum.marinara.util.ReflectionUtil;
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public record AppliedCheck(InteractionCheck<?> check, Annotation annotation) {
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public record AppliedCheck(InteractionCheck<?> check, Annotation annotation) {
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public boolean pre(Object context) {
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public boolean pre() {
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Method[] methods = Arrays.stream(check.getClass().getMethods())
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.filter(x -> x.getName().equals("preExec"))
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.toArray(s -> new Method[s]);
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Method method = ReflectionUtil.getMostSpecificMethod(methods, context.getClass());
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method.setAccessible(true);
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try {
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try {
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return (boolean) method.invoke(check, annotation);
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return (boolean) check.getClass().getMethod("preExec", annotation.getClass()).invoke(check, annotation);
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} catch (IllegalAccessException | InvocationTargetException | SecurityException e) {
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} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException | SecurityException e) {
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e.printStackTrace();
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e.printStackTrace();
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return false;
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return false;
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}
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}
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}
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}
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public boolean post(Object context) {
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public boolean post() {
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Method[] methods = Arrays.stream(check.getClass().getMethods())
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.filter(x -> x.getName().equals("postExec"))
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.toArray(s -> new Method[s]);
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Method method = ReflectionUtil.getMostSpecificMethod(methods, context.getClass());
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method.setAccessible(true);
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try {
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try {
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return (boolean) method.invoke(check, annotation);
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return (boolean) check.getClass().getMethod("postExec", annotation.getClass()).invoke(check, annotation);
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} catch (IllegalAccessException | InvocationTargetException | SecurityException e) {
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} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException | SecurityException e) {
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e.printStackTrace();
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e.printStackTrace();
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return false;
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return false;
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}
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}
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@ -4,7 +4,7 @@ import java.lang.annotation.Annotation;
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public interface InteractionCheck<A extends Annotation> {
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public interface InteractionCheck<A extends Annotation> {
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public boolean preExec(Object context, A annotation);
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public boolean preExec(A annotation);
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public boolean postExec(Object context, A annotation);
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public boolean postExec(A annotation);
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}
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}
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@ -60,7 +60,7 @@ public abstract class InteractionMethod {
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public abstract InteractionType getType();
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public abstract InteractionType getType();
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public void run(Object context) {
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public void run(Object context) {
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this.appliedChecks.forEach(x -> x.pre(context));
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this.appliedChecks.forEach(AppliedCheck::pre);
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method.setAccessible(true);
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method.setAccessible(true);
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try {
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try {
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@ -69,7 +69,7 @@ public abstract class InteractionMethod {
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throw new RuntimeException(ex);
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throw new RuntimeException(ex);
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}
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}
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this.appliedChecks.forEach(x -> x.post(context));
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this.appliedChecks.forEach(AppliedCheck::post);
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}
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}
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public Method getMethod() {
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public Method getMethod() {
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@ -2,10 +2,6 @@ package net.tomatentum.marinara.util;
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import java.lang.annotation.Annotation;
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import java.lang.annotation.Annotation;
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import java.lang.reflect.Method;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Objects;
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public final class ReflectionUtil {
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public final class ReflectionUtil {
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@ -21,79 +17,5 @@ public final class ReflectionUtil {
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method.getAnnotation(annotationClass) :
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method.getAnnotation(annotationClass) :
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method.getDeclaringClass().getAnnotation(annotationClass);
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method.getDeclaringClass().getAnnotation(annotationClass);
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}
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}
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public static int getCastDepth(Class<?> child, Class<?> parent) {
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if (!parent.isAssignableFrom(child)) {
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throw new IllegalArgumentException("The specified class is not a child class of the specified parent.");
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}
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int depth = 0;
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Class<?> curr = child;
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List<Class<?>> parents = new ArrayList<>();
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while (!curr.equals(parent)) {
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depth++;
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parents.add(curr.getSuperclass());
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parents.addAll(Arrays.asList(curr.getInterfaces()));
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for (Class<?> currParent : parents) {
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if (currParent != null && parent.isAssignableFrom(currParent)) {
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curr = currParent;
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break;
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}
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}
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parents.clear();
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}
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return depth;
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}
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public static Method getMostSpecificMethod(Method[] methods, Class<?>... parameters) {
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List<Method> compatibleMethods = Arrays.stream(methods)
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.filter(x -> isMethodCallable(x, parameters))
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.toList();
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if (compatibleMethods.size() == 0)
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throw new IllegalArgumentException("There are no compatible Methods provided");
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for (int i = 0; i < parameters.length; i++) {
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final int currI = i;
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Class<?>[] parameterTypes = compatibleMethods.stream()
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.map(x -> x.getParameterTypes()[currI])
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.toArray(x -> new Class[x]);
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Class<?> mostSpecific = getMostSpecificClass(parameterTypes, parameters[i]);
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compatibleMethods = compatibleMethods.stream()
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.filter(x -> Objects.equals(x.getParameterTypes()[currI], mostSpecific))
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.toList();
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}
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return compatibleMethods.getFirst();
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}
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public static Class<?> getMostSpecificClass(Class<?>[] classes, Class<?> base) {
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int min = Integer.MAX_VALUE;
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Class<?> currMostSpecific = null;
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for (Class<?> currClass : classes) {
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int currCastDepth = getCastDepth(base, currClass);
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if (currCastDepth < min) {
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min = currCastDepth;
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currMostSpecific = currClass;
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}
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}
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return currMostSpecific;
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}
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public static boolean isMethodCallable(Method method, Class<?>... parameters) {
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if (!Objects.equals(method.getParameterCount(), parameters.length))
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return false;
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Class<?>[] methodParams = method.getParameterTypes();
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for (int i = 0; i < parameters.length; i++) {
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if (!methodParams[i].isAssignableFrom(parameters[i]))
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return false;
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}
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return true;
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}
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}
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}
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