97 lines
3.3 KiB
Java
97 lines
3.3 KiB
Java
/*
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* Copyright (c) 2008, Michael Stringer
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Growl nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package info.growl;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* Utility class for sending notifications using Growl.
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*
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* @author Michael Stringer
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* @version 0.1
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*/
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public final class GrowlUtils {
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private static final boolean GROWL_LOADED;
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private static final Map<String, Growl> instances = new HashMap<String, Growl>();
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static {
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boolean loaded = false;
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try {
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System.loadLibrary("growl");
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loaded = true;
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} catch (UnsatisfiedLinkError ule) {
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// ignore: growl not available
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}
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GROWL_LOADED = loaded;
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}
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/**
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* Utility method - should not be instantiated.
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*/
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private GrowlUtils() {
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}
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/**
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* Gets a <code>Growl</code> instance to use for the specified application
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* name. Multiple calls to this method will return the same instance.
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*
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* @param appName The name of the application.
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* @return The <code>Growl</code> instance to use.
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*/
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public static Growl getGrowlInstance(String appName) {
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synchronized (instances) {
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Growl instance = instances.get(appName);
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if (instance == null) {
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if (GROWL_LOADED) {
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instance = new GrowlNative(appName);
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} else {
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instance = new DummyGrowl();
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}
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instances.put(appName, instance);
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}
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return instance;
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}
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}
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/**
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* Gets whether messages can be sent to Growl. If this returns
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* <code>false</code> then {@link #getGrowlInstance(String)} will return a
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* dummy object.
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*
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* @return <code>true</code> if messages can be sent to Growl.
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*/
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public static boolean isGrowlLoaded() {
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return GROWL_LOADED;
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}
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}
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