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 }