/*
 * Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
 *
 * 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
 *
 *      https://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.springframework.security.core.userdetails.memory;

import java.beans.PropertyEditorSupport;
import java.util.ArrayList;
import java.util.List;

import org.springframework.util.StringUtils;

/**
 * Property editor that creates a {@link UserAttribute} from a comma separated list of
 * values.
 *
 * @author Ben Alex
 */
public class UserAttributeEditor extends PropertyEditorSupport {

	@Override
	public void setAsText(String s) throws IllegalArgumentException {
		if (!StringUtils.hasText(s)) {
			setValue(null);
			return;
		}
		String[] tokens = StringUtils.commaDelimitedListToStringArray(s);
		UserAttribute userAttrib = new UserAttribute();
		List<String> authoritiesAsStrings = new ArrayList<>();
		for (int i = 0; i < tokens.length; i++) {
			String currentToken = tokens[i].trim();
			if (i == 0) {
				userAttrib.setPassword(currentToken);
			}
			else {
				if (currentToken.toLowerCase().equals("enabled")) {
					userAttrib.setEnabled(true);
				}
				else if (currentToken.toLowerCase().equals("disabled")) {
					userAttrib.setEnabled(false);
				}
				else {
					authoritiesAsStrings.add(currentToken);
				}
			}
		}
		userAttrib.setAuthoritiesAsString(authoritiesAsStrings);
		setValue(userAttrib.isValid() ? userAttrib : null);
	}

}
