001/**
002 * Copyright 2005-2016 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.krad.datadictionary.exporter;
017
018import org.apache.commons.lang.StringUtils;
019import org.kuali.rice.krad.exception.DuplicateKeyException;
020
021import java.util.LinkedHashMap;
022import java.util.Map;
023
024
025/**
026 * Adds a litle strong type-checking and validation on top of the generic LinkedHashMap
027 * 
028 * 
029 */
030@Deprecated
031public class StringMap extends LinkedHashMap<String, Object> {
032    private static final long serialVersionUID = 7364206011639131063L;
033
034    /**
035     * Associates the given String with the given Map value.
036     * 
037     * @param key
038     * @param value
039     */
040    public void set(String key, Map<String, Object> value) {
041        setUnique(key, value);
042    }
043
044    /**
045     * Associates the given String with the given String value.
046     * 
047     * @param key
048     * @param value
049     */
050    public void set(String key, String value) {
051        setUnique(key, value);
052    }
053
054
055    /**
056     * Verifies that the key isn't blank, and that the value isn't null, and prevents duplicate keys from being used.
057     * 
058     * @param key
059     * @param value
060     */
061    private void setUnique(String key, Object value) {
062        if (value == null) {
063            throw new IllegalArgumentException("invalid (null) value");
064        }
065
066        if (containsKey(key)) {
067            throw new DuplicateKeyException("duplicate key '" + key + "'");
068        }
069
070        super.put(key, value);
071    }
072
073    @Override
074    public Object put(String key, Object value) {
075        throw new UnsupportedOperationException("direct calls to put not supported");
076    }
077
078    @Override
079    public void putAll(Map<? extends String, ? extends Object> m) {
080        throw new UnsupportedOperationException("direct calls to put not supported");
081    }
082}