// Path: dalesbred/src/main/java/org/dalesbred/internal/utils/ReflectionUtils.java
// public final class ReflectionUtils {
// 
//     private ReflectionUtils() {
//     }
// 
//     public static @NotNull Optional<Field> findField(@NotNull Class<?> cl, @NotNull String name) {
//         try {
//             return Optional.of(cl.getField(name));
//         } catch (NoSuchFieldException e) {
//             return Optional.empty();
//         }
//     }
// 
//     public static @NotNull Optional<Method> findGetter(@NotNull Class<?> cl, @NotNull String propertyName) {
//         String capitalizedName = StringUtils.capitalize(propertyName);
// 
//         try {
//             return Optional.of(cl.getMethod("get" + capitalizedName));
//         } catch (NoSuchMethodException e) {
//             try {
//                 return Optional.of(cl.getMethod("is" + capitalizedName));
//             } catch (NoSuchMethodException e1) {
//                 return Optional.empty();
//             }
//         }
//     }
// 
//     public static void makeAccessible(@NotNull Executable obj) throws SecurityException {
//         if (!isPublic(obj.getModifiers()))
//             obj.setAccessible(true);
//     }
// }


import org.dalesbred.internal.utils.ReflectionUtils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;
/*
 * Copyright (c) 2017 Evident Solutions Oy
 *
 * 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 org.dalesbred.query;



/**
 * Resolves values for variables appearing in SQL queries with named parameters.
 */
@FunctionalInterface
public interface VariableResolver {

    /**
     * Returns the value of given variable, which could be null.
     *
     * @throws VariableResolutionException if resolution fails
     */
    @Nullable
    Object getValue(@NotNull String variable);

    /**
     * Returns a {@link VariableResolver} that is backed by given map.
     */
    static @NotNull VariableResolver forMap(@NotNull Map<String, ?> variables) {
        return variable -> {
            Object value = variables.get(variable);
            if (value != null || variables.containsKey(variable))
                return value;
            else
                throw new VariableResolutionException("No value registered for key '" + variable + '\'');
        };
    }

    /**
     * Returns a {@link VariableResolver} that is backed by given bean. When variables are looked up,
     * tries to find a matching getter or accessible field for the variable and returns its value.
     */
    static @NotNull VariableResolver forBean(@NotNull Object object) {
        return variable -> {
            try {
// Path: dalesbred/src/main/java/org/dalesbred/internal/utils/ReflectionUtils.java
// public final class ReflectionUtils {
// 
//     private ReflectionUtils() {
//     }
// 
//     public static @NotNull Optional<Field> findField(@NotNull Class<?> cl, @NotNull String name) {
//         try {
//             return Optional.of(cl.getField(name));
//         } catch (NoSuchFieldException e) {
//             return Optional.empty();
//         }
//     }
// 
//     public static @NotNull Optional<Method> findGetter(@NotNull Class<?> cl, @NotNull String propertyName) {
//         String capitalizedName = StringUtils.capitalize(propertyName);
// 
//         try {
//             return Optional.of(cl.getMethod("get" + capitalizedName));
//         } catch (NoSuchMethodException e) {
//             try {
//                 return Optional.of(cl.getMethod("is" + capitalizedName));
//             } catch (NoSuchMethodException e1) {
//                 return Optional.empty();
//             }
//         }
//     }
// 
//     public static void makeAccessible(@NotNull Executable obj) throws SecurityException {
//         if (!isPublic(obj.getModifiers()))
//             obj.setAccessible(true);
//     }
// }


// Path: dalesbred/src/main/java/org/dalesbred/query/VariableResolver.java
import org.dalesbred.internal.utils.ReflectionUtils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;

/*
 * Copyright (c) 2017 Evident Solutions Oy
 *
 * 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 org.dalesbred.query;



/**
 * Resolves values for variables appearing in SQL queries with named parameters.
 */
@FunctionalInterface
public interface VariableResolver {

    /**
     * Returns the value of given variable, which could be null.
     *
     * @throws VariableResolutionException if resolution fails
     */
    @Nullable
    Object getValue(@NotNull String variable);

    /**
     * Returns a {@link VariableResolver} that is backed by given map.
     */
    static @NotNull VariableResolver forMap(@NotNull Map<String, ?> variables) {
        return variable -> {
            Object value = variables.get(variable);
            if (value != null || variables.containsKey(variable))
                return value;
            else
                throw new VariableResolutionException("No value registered for key '" + variable + '\'');
        };
    }

    /**
     * Returns a {@link VariableResolver} that is backed by given bean. When variables are looked up,
     * tries to find a matching getter or accessible field for the variable and returns its value.
     */
    static @NotNull VariableResolver forBean(@NotNull Object object) {
        return variable -> {
            try {
                Method getter = ReflectionUtils.findGetter(object.getClass(), variable).orElse(null);