001    /*
002     * Copyright 2005,2009 Ivan SZKIBA
003     *
004     * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
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     */
016    package org.ini4j.addon;
017    
018    import java.util.NoSuchElementException;
019    import java.util.prefs.Preferences;
020    
021    public class StrictPreferences extends PreferencesWrapper
022    {
023        public StrictPreferences(Preferences peer)
024        {
025            super(peer);
026        }
027    
028        public boolean getBoolean(String key) throws NoSuchElementException
029        {
030            return Boolean.valueOf(get(key));
031        }
032    
033        public byte[] getByteArray(String key) throws NoSuchElementException
034        {
035            byte[] value = getByteArray(key, null);
036    
037            if (value == null)
038            {
039                throw new NoSuchElementException();
040            }
041    
042            return value;
043        }
044    
045        public double getDouble(String key) throws NoSuchElementException
046        {
047            return Double.parseDouble(get(key));
048        }
049    
050        public float getFloat(String key) throws NoSuchElementException
051        {
052            return Float.parseFloat(get(key));
053        }
054    
055        public int getInt(String key) throws NoSuchElementException
056        {
057            return Integer.parseInt(get(key));
058        }
059    
060        public long getLong(String key) throws NoSuchElementException
061        {
062            return Long.parseLong(get(key));
063        }
064    
065        public String get(String key) throws NoSuchElementException
066        {
067            String value = get(key, null);
068    
069            if (value == null)
070            {
071                throw new NoSuchElementException();
072            }
073    
074            return value;
075        }
076    }