001    /*
002     * Copyright 2005 [ini4j] Development Team
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    
017    package org.ini4j.addon;
018    
019    import java.util.NoSuchElementException;
020    import java.util.prefs.Preferences;
021    
022    public class StrictPreferences extends PreferencesWrapper
023    {
024        public StrictPreferences(Preferences peer)
025        {
026            super(peer);
027        }
028        
029        public String get(String key) throws NoSuchElementException
030        {
031            String value = get(key, null);
032            
033            if ( value == null )
034            {
035                throw new NoSuchElementException();
036            }
037            
038            return value;
039        }
040        
041        public int getInt(String key) throws NoSuchElementException
042        {
043            return Integer.parseInt(get(key));
044        }
045    
046        public long getLong(String key) throws NoSuchElementException
047        {
048            return Long.parseLong(get(key));
049        }
050        
051        public boolean getBoolean(String key) throws NoSuchElementException
052        {
053            return Boolean.valueOf(get(key));
054        }
055        
056        public float getFloat(String key) throws NoSuchElementException
057        {
058            return Float.parseFloat(get(key));
059        }
060        
061        public double getDouble(String key) throws NoSuchElementException
062        {
063            return Double.parseDouble(get(key));
064        }
065        
066        public byte[] getByteArray(String key) throws NoSuchElementException
067        {
068            byte[] value = getByteArray(key, null);
069            
070            if ( value == null )
071            {
072                throw new NoSuchElementException();
073            }
074            
075            return value;
076        }
077    }