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 }