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290 lines
7.5 KiB
Java
290 lines
7.5 KiB
Java
/*
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* Copyright (C) 2009-2017 Alistair Neil <info@dazzleships.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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package lib;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.Properties;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/**
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*
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* @author Alistair Neil <info@dazzleships.net>
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*/
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public final class SimpleProps {
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private final File fileStore;
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private final String comment;
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private final ArrayList<String> alChanged;
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private boolean boolDefaultEnabled;
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private final Properties defProps = new Properties();
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private Properties appProps;
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/**
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* Constructor, requires
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*
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* @param filepath
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* @param comment
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*/
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public SimpleProps(String filepath, String comment) {
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alChanged = new ArrayList<>();
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fileStore = new File(filepath);
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this.comment = comment;
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}
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/**
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* Enable/disable default mode
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*
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* @param enabled
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*/
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public void setDefaultModeEnabled(boolean enabled) {
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boolDefaultEnabled = enabled;
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}
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/**
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* Set a long number property
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*
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* @param property
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* @param num
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*/
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public void setLong(String property, long num) {
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String value = String.valueOf(num);
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setString(property, value);
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}
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/**
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* Get a long number property
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*
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* @param property
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* @return A long number
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*/
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public long getLong(String property) {
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try {
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if (boolDefaultEnabled) {
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return Long.parseLong(defProps.getProperty(property));
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} else {
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return Long.parseLong(appProps.getProperty(property));
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}
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} catch (NumberFormatException ex) {
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Logger.getGlobal().logp(Level.WARNING, this.getClass().getName(), "getLong", "", ex);
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return -1;
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}
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}
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/**
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* Set a integer number property
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*
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* @param property
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* @param num
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*/
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public void setInt(String property, int num) {
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String value = String.valueOf(num);
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setString(property, value);
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}
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/**
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* Get an integer number property
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*
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* @param property
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* @return an integer
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*/
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public int getInt(String property) {
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try {
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if (boolDefaultEnabled) {
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return Integer.parseInt(defProps.getProperty(property));
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} else {
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return Integer.parseInt(appProps.getProperty(property));
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}
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} catch (NumberFormatException ex) {
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Logger.getGlobal().logp(Level.WARNING, this.getClass().getName(), "getInt", "", ex);
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return -1;
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}
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}
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/**
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* Set a boolean property
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*
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* @param property
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* @param enabled
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*/
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public void setBool(String property, boolean enabled) {
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if (enabled) {
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setString(property, "true");
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} else {
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setString(property, "false");
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}
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}
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/**
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* Get a boolean property
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*
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* @param property
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* @return boolean
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*/
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public boolean getBool(String property) {
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try {
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String result;
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if (boolDefaultEnabled) {
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result = defProps.getProperty(property).toLowerCase();
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} else {
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result = appProps.getProperty(property).toLowerCase();
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}
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return result.contentEquals("true");
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} catch (Exception ex) {
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Logger.getGlobal().logp(Level.WARNING, this.getClass().getName(), "getBool", "", ex);
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return false;
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}
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}
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/**
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* Set a String property
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*
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* @param key
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* @param value
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* @return String
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*/
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public Object setString(String key, String value) {
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value = value.trim();
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if (boolDefaultEnabled) {
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return defProps.setProperty(key, value);
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}
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String prop = appProps.getProperty(key);
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if (prop == null) {
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prop = "null";
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}
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if (prop.contentEquals(value)) {
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if (alChanged.contains(key)) {
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alChanged.remove(key);
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}
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} else {
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if (!alChanged.contains(key)) {
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alChanged.add(key);
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}
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}
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return appProps.setProperty(key, value);
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}
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/**
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* Get a String property
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*
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* @param key
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* @return String or null
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*/
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public String getString(String key) {
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try {
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String prop;
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if (boolDefaultEnabled) {
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prop = defProps.getProperty(key);
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} else {
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prop = appProps.getProperty(key);
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}
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if (prop == null) {
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prop = "";
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}
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return prop;
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} catch (Exception ex) {
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Logger.getGlobal().logp(Level.WARNING, this.getClass().getName(), "getString", "", ex);
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return null;
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}
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}
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/**
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* Save to xml file
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*/
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public void save() {
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alChanged.clear();
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OutputStream os = null;
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try {
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os = new FileOutputStream(fileStore);
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appProps.storeToXML(os, comment);
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} catch (Exception ex) {
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Logger.getLogger(SimpleProps.class.getName()).log(Level.SEVERE, null, ex);
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} finally {
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try {
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if (os != null) {
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os.close();
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}
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} catch (Exception ex) {
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}
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}
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}
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/**
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* Load from xml file
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*/
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public void load() {
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InputStream is = null;
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try {
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if (!fileStore.exists()) {
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fileStore.getParentFile().mkdirs();
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fileStore.createNewFile();
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save();
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}
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is = new FileInputStream(fileStore);
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appProps.loadFromXML(is);
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} catch (IOException ex) {
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Logger.getLogger(SimpleProps.class.getName()).log(Level.SEVERE, null, ex);
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} finally {
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try {
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if (is != null) {
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is.close();
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}
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} catch (Exception ex) {
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}
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}
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alChanged.clear();
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}
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/**
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* Delete the properties file store
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*
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* @return true if successful
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*/
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public boolean delete() {
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if (fileStore.exists()) {
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return fileStore.delete();
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}
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return false;
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}
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/**
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* Get a comma separated list of properties that were changed
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*
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* @return A String of property keys that were changed
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*/
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public String getChangedProperties() {
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return alChanged.toString();
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}
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/**
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* Reset to defaults
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*/
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public void resetToDefaults() {
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appProps = new Properties(defProps);
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alChanged.clear();
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}
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}
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