/*
* Copyright (c) 2013, MGrossmann
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the jo-widgets.org nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
package org.jowidgets.impl.toolkit;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import org.jowidgets.api.animation.IAnimationRunner;
import org.jowidgets.api.animation.IAnimationRunnerBuilder;
import org.jowidgets.api.toolkit.Toolkit;
import org.jowidgets.util.Assert;
import org.jowidgets.util.IFactory;
import org.jowidgets.util.ITypedKey;
import org.jowidgets.util.concurrent.DaemonThreadFactory;
final class AnimationRunnerBuilderImpl implements IAnimationRunnerBuilder {
private static final ITypedKey<ScheduledExecutorService> DEFAULT_EXECUTOR_KEY = new ITypedKey<ScheduledExecutorService>() {};
private long delay;
private TimeUnit timeUnit;
private ScheduledExecutorService executor;
AnimationRunnerBuilderImpl() {
this.delay = 200;
this.timeUnit = TimeUnit.MILLISECONDS;
}
@Override
public IAnimationRunnerBuilder setExecutor(final ScheduledExecutorService executor) {
this.executor = executor;
return this;
}
@Override
public IAnimationRunnerBuilder setExecutor(final ThreadFactory threadFactory) {
Assert.paramNotNull(threadFactory, "threadFactory");
return setExecutor(Executors.newSingleThreadScheduledExecutor(threadFactory));
}
@Override
public IAnimationRunnerBuilder setExecutor(final IFactory<String> threadNameFactory) {
Assert.paramNotNull(threadNameFactory, "threadNameFactory");
return setExecutor(new DaemonThreadFactory(threadNameFactory));
}
@Override
public IAnimationRunnerBuilder setExecutor(final String threadPrefix) {
Assert.paramNotNull(threadPrefix, "threadPrefix");
return setExecutor(new DaemonThreadFactory(threadPrefix));
}
@Override
public IAnimationRunnerBuilder setDelay(final long delay, final TimeUnit timeUnit) {
Assert.paramNotNull(timeUnit, "timeUnit");
this.delay = delay;
this.timeUnit = timeUnit;
return this;
}
@Override
public IAnimationRunnerBuilder setDelay(final long delay) {
setDelay(delay, TimeUnit.MILLISECONDS);
return this;
}
private ScheduledExecutorService getExecutor() {
if (executor != null) {
return executor;
}
else {
ScheduledExecutorService executorService = Toolkit.getValue(DEFAULT_EXECUTOR_KEY);
if (executorService == null) {
executorService = Executors.newSingleThreadScheduledExecutor(new DaemonThreadFactory());
Toolkit.setValue(DEFAULT_EXECUTOR_KEY, executorService);
}
return executorService;
}
}
@Override
public IAnimationRunner build() {
return new AnimationRunnerImpl(getExecutor(), delay, timeUnit);
}
}