1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski import java.io.File; 23*b1cdbd2cSJim Jagielski import java.io.FileReader; 24*b1cdbd2cSJim Jagielski import java.io.FileInputStream; 25*b1cdbd2cSJim Jagielski import java.io.FileOutputStream; 26*b1cdbd2cSJim Jagielski import java.util.Properties; 27*b1cdbd2cSJim Jagielski 28*b1cdbd2cSJim Jagielski /** Load from and save options into a file. 29*b1cdbd2cSJim Jagielski */ 30*b1cdbd2cSJim Jagielski class Options 31*b1cdbd2cSJim Jagielski extends Properties 32*b1cdbd2cSJim Jagielski { Instance()33*b1cdbd2cSJim Jagielski static public Options Instance () 34*b1cdbd2cSJim Jagielski { 35*b1cdbd2cSJim Jagielski if (saOptions == null) 36*b1cdbd2cSJim Jagielski saOptions = new Options (); 37*b1cdbd2cSJim Jagielski return saOptions; 38*b1cdbd2cSJim Jagielski } 39*b1cdbd2cSJim Jagielski SetString(String sName, String sValue)40*b1cdbd2cSJim Jagielski static public void SetString (String sName, String sValue) 41*b1cdbd2cSJim Jagielski { 42*b1cdbd2cSJim Jagielski Instance().setProperty (sName, sValue); 43*b1cdbd2cSJim Jagielski } 44*b1cdbd2cSJim Jagielski GetString(String sName)45*b1cdbd2cSJim Jagielski static public String GetString (String sName) 46*b1cdbd2cSJim Jagielski { 47*b1cdbd2cSJim Jagielski return Instance().getProperty (sName); 48*b1cdbd2cSJim Jagielski } 49*b1cdbd2cSJim Jagielski SetBoolean(String sName, boolean bValue)50*b1cdbd2cSJim Jagielski static public void SetBoolean (String sName, boolean bValue) 51*b1cdbd2cSJim Jagielski { 52*b1cdbd2cSJim Jagielski Instance().setProperty (sName, Boolean.toString(bValue)); 53*b1cdbd2cSJim Jagielski } 54*b1cdbd2cSJim Jagielski GetBoolean(String sName)55*b1cdbd2cSJim Jagielski static public boolean GetBoolean (String sName) 56*b1cdbd2cSJim Jagielski { 57*b1cdbd2cSJim Jagielski return Boolean.getBoolean(Instance().getProperty (sName)); 58*b1cdbd2cSJim Jagielski } 59*b1cdbd2cSJim Jagielski SetInteger(String sName, int nValue)60*b1cdbd2cSJim Jagielski static public void SetInteger (String sName, int nValue) 61*b1cdbd2cSJim Jagielski { 62*b1cdbd2cSJim Jagielski Instance().setProperty (sName, Integer.toString(nValue)); 63*b1cdbd2cSJim Jagielski } 64*b1cdbd2cSJim Jagielski GetInteger(String sName, int nDefault)65*b1cdbd2cSJim Jagielski static public int GetInteger (String sName, int nDefault) 66*b1cdbd2cSJim Jagielski { 67*b1cdbd2cSJim Jagielski String sValue = Instance().getProperty (sName); 68*b1cdbd2cSJim Jagielski if (sValue == null) 69*b1cdbd2cSJim Jagielski return nDefault; 70*b1cdbd2cSJim Jagielski else 71*b1cdbd2cSJim Jagielski return Integer.parseInt (sValue); 72*b1cdbd2cSJim Jagielski } 73*b1cdbd2cSJim Jagielski Load(String sBaseName)74*b1cdbd2cSJim Jagielski public void Load (String sBaseName) 75*b1cdbd2cSJim Jagielski { 76*b1cdbd2cSJim Jagielski try 77*b1cdbd2cSJim Jagielski { 78*b1cdbd2cSJim Jagielski load (new FileInputStream (ProvideFile(sBaseName))); 79*b1cdbd2cSJim Jagielski } 80*b1cdbd2cSJim Jagielski catch (java.io.IOException e) 81*b1cdbd2cSJim Jagielski { 82*b1cdbd2cSJim Jagielski // Ignore a non-existing options file. 83*b1cdbd2cSJim Jagielski } 84*b1cdbd2cSJim Jagielski } 85*b1cdbd2cSJim Jagielski Save(String sBaseName)86*b1cdbd2cSJim Jagielski public void Save (String sBaseName) 87*b1cdbd2cSJim Jagielski { 88*b1cdbd2cSJim Jagielski try 89*b1cdbd2cSJim Jagielski { 90*b1cdbd2cSJim Jagielski store (new FileOutputStream (ProvideFile(sBaseName)), null); 91*b1cdbd2cSJim Jagielski } 92*b1cdbd2cSJim Jagielski catch (java.io.IOException e) 93*b1cdbd2cSJim Jagielski { 94*b1cdbd2cSJim Jagielski } 95*b1cdbd2cSJim Jagielski } 96*b1cdbd2cSJim Jagielski Options()97*b1cdbd2cSJim Jagielski private Options () 98*b1cdbd2cSJim Jagielski { 99*b1cdbd2cSJim Jagielski } 100*b1cdbd2cSJim Jagielski ProvideFile(String sBaseName)101*b1cdbd2cSJim Jagielski private File ProvideFile (String sBaseName) 102*b1cdbd2cSJim Jagielski { 103*b1cdbd2cSJim Jagielski return new File ( 104*b1cdbd2cSJim Jagielski System.getProperty ("user.home"), 105*b1cdbd2cSJim Jagielski sBaseName); 106*b1cdbd2cSJim Jagielski } 107*b1cdbd2cSJim Jagielski 108*b1cdbd2cSJim Jagielski static private Options saOptions = null; 109*b1cdbd2cSJim Jagielski } 110