<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../jacoco-resources/report.gif" type="image/gif"/><title>PreferencesHandler.java</title><link rel="stylesheet" href="../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../index.html" class="el_report">SteelBlue - JavaFX Bindings</a> > <a href="index.source.html" class="el_package">it.tidalwave.util</a> > <span class="el_source">PreferencesHandler.java</span></div><h1>PreferencesHandler.java</h1><pre class="source lang-java linenums">/*
* *********************************************************************************************************************
*
* SteelBlue: DCI User Interfaces
* http://tidalwave.it/projects/steelblue
*
* Copyright (C) 2015 - 2021 by Tidalwave s.a.s. (http://tidalwave.it)
*
* *********************************************************************************************************************
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* *********************************************************************************************************************
*
* git clone https://bitbucket.org/tidalwave/steelblue-src
* git clone https://github.com/tidalwave-it/steelblue-src
*
* *********************************************************************************************************************
*/
package it.tidalwave.util;
import javax.annotation.Nonnull;
import java.nio.file.Path;
import java.util.Optional;
import java.util.concurrent.atomic.AtomicReference;
import it.tidalwave.util.impl.DefaultPreferencesHandler;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
public interface PreferencesHandler
{
<span class="nc" id="L42"> public static final String PROP_APP_NAME = PreferencesHandler.class.getPackage().getName() + ".appName";</span>
// FIXME: make private as soon as the right Java version is required
make private as soon as the right Java version is required
public static final String __BASE_NAME = "it.tidalwave.javafx";
<span class="nc" id="L46"> public static AtomicReference<PreferencesHandler> __INSTANCE = new AtomicReference<>();</span>
/** A property representing the initial main window size as a percentual of the screen size. */
<span class="nc" id="L49"> public static final Key<Double> KEY_INITIAL_SIZE = Key.of(__BASE_NAME + ".initialSize", Double.class);</span>
/** Whether the application should start at full screen. */
<span class="nc" id="L52"> public static final Key<Boolean> KEY_FULL_SCREEN = Key.of(__BASE_NAME + ".fullScreen", Boolean.class);</span>
@Nonnull
public Path getAppFolder();
@Nonnull
public Path getLogFolder();
/*******************************************************************************************************************
*
* Sets the application name. This method must be called at boot from the {@code main} method before doing
* anything else.
*
* @param name the property name
*
******************************************************************************************************************/
public static void setAppName (@Nonnull final String name)
{
<span class="nc" id="L70"> System.setProperty(PROP_APP_NAME, name);</span>
<span class="nc" id="L71"> }</span>
/*******************************************************************************************************************
*
* Gets a property.
*
* @param <T> the property type
* @param name the property name
* @return the property value
*
******************************************************************************************************************/
@Nonnull
public <T> Optional<T> getProperty (@Nonnull Key<T> name);
/*******************************************************************************************************************
*
* Sets a property, overriding the current value.
*
* @param <T> the property type
* @param name the property name
* @param value the property value
* @return the property value
*
******************************************************************************************************************/
public <T> void setProperty (@Nonnull final Key<T> name, @Nonnull final T value);
/**
*
* Sets a property, unless it has been already set.
*
* @param <T> the property type
* @param name the property name
* @param value the property value
* @return the property value
*
******************************************************************************************************************/
public <T> void setDefaultProperty (@Nonnull final Key<T> name, @Nonnull final T value);
/*******************************************************************************************************************
*
* main() probably needs it and dI has not booted yet, so this class can be accessed also by this factory
* method. Note that Spring instantiates the bean by calling this method, so we really have a singleton.
*
******************************************************************************************************************/
@Nonnull
public static PreferencesHandler getInstance()
{
<span class="nc" id="L118"> synchronized (PreferencesHandler.class)</span>
{
<span class="nc bnc" id="L120" title="All 2 branches missed."> if (__INSTANCE.get() == null)</span>
{
<span class="nc" id="L122"> __INSTANCE.set(new DefaultPreferencesHandler());</span>
}
<span class="nc" id="L125"> return __INSTANCE.get();</span>
}
}
}
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