PropertyAccessorUtils.java

/*
 * Copyright 2002-2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.theonefx.wcframework.utils;

import org.theonefx.wcframework.ioc.PropertyAccessor;

/**
 * Utility methods for classes that perform bean property access
 * according to the {@link PropertyAccessor} interface.
 *
 * @author Juergen Hoeller
 * @since 1.2.6
 */
public abstract class PropertyAccessorUtils {

	/**
	 * Return the actual property name for the given property path.
	 * @param propertyPath the property path to determine the property name
	 * for (can include property keys, for example for specifying a map entry)
	 * @return the actual property name, without any key elements
	 */
	public static String getPropertyName(String propertyPath) {
		int separatorIndex = (propertyPath.endsWith(PropertyAccessor.PROPERTY_KEY_SUFFIX) ?
				propertyPath.indexOf(PropertyAccessor.PROPERTY_KEY_PREFIX_CHAR) : -1);
		return (separatorIndex != -1 ? propertyPath.substring(0, separatorIndex) : propertyPath);
	}

	/**
	 * Check whether the given property path indicates an indexed or nested property.
	 * @param propertyPath the property path to check
	 * @return whether the path indicates an indexed or nested property
	 */
	public static boolean isNestedOrIndexedProperty(String propertyPath) {
		if (propertyPath == null) {
			return false;
		}
		for (int i = 0; i < propertyPath.length(); i++) {
			char ch = propertyPath.charAt(i);
			if (ch == PropertyAccessor.NESTED_PROPERTY_SEPARATOR_CHAR ||
					ch == PropertyAccessor.PROPERTY_KEY_PREFIX_CHAR) {
				return true;
			}
		}
		return false;
	}

}