Wix list

WixList.java

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.lang3.reflect.FieldUtils;

public static class WixList<T> extends ArrayList<T> {
    /**
     * Adds an item if it isnt already present
     * @param property
     * @param newItem
     * @return true if item was sucesfully added, false otherwise
     */
    public boolean add(String property, T newItem) {
        if (size() == 0) {
            add(newItem);
            return true;
        }

        Field field = FieldUtils.getField(newItem.getClass(), property, true);
        Object comparator;

        try {
            comparator = field.get(newItem);
        } catch (IllegalAccessException e) {
            return false;
        }

        if (get(property, comparator) == null) {
            add(newItem);
            return true;
        }

        return false;
    }

    /**
     * Check if list contains this item
     * @param property
     * @param comparator
     * @return true if item is in list, false otherwise
     */
    public boolean contains(String property, Object comparator) {
        return get(property, comparator) != null;
    }

    /**
     * Get list of all properies with matching name from this list
     * @param name
     * @param <T2>
     * @return list of properies
     */
    public<T2> List<T2> properties(String name) {
        List<T2> results = new ArrayList<>();
        if (size() == 0) return results;
        Iterator<T> items = iterator();

        while (items.hasNext()) {
            T item = items.next();

            try {
                Field field = FieldUtils.getField(get(0).getClass(), name, true);
                if (field != null) {
                    results.add((T2)field.get(item));
                }
            } catch (IllegalAccessException e) {

            }
        }

        return results;
    }

    /**
     * Finds an item by specified property and comparator
     * @param property
     * @param comparator
     * @return <T> instance if item is found, otherwise null
     */
    public T get(String property, Object comparator) {
        if (size() == 0) return null;
        Field field = FieldUtils.getField(get(0).getClass(), property, true);
        Iterator<T> items = iterator();

        while (items.hasNext()) {
            T item = items.next();
            try {
                if (field.get(item).equals(comparator)) {
                    return item;
                }
            } catch (IllegalAccessException e) {

            }
        }

        return null;
    }

    /**
     * Removes an item by specified property and comparator
     * @param property
     * @param comparator
     * @return True if item was succesfully removed, false otherwise
     */
    public boolean remove(String property, Object comparator) {
        if (size() == 0) return false;
        T item = get(property, comparator);
        if (item == null) return false;
        remove(item);

        return true;
    }

    /**
     * Adds an item if it isnt already present
     * @param property
     * @param newItem
     * @return true if item was sucesfully added, false otherwise
     */
    public boolean replace(String property, T newItem) {
        if (size() == 0) return false;

        Field field = FieldUtils.getField(newItem.getClass(), property, true);
        Object comparator;

        try {
            comparator = field.get(newItem);
        } catch (IllegalAccessException e) {
            return false;
        }

        T item = get(property, comparator);
        if (item == null) return false;
        remove(item);
        add(newItem);

        return true;
    }
}