com.github.mike10004.xvfbtesting.DisabledXvfbController Maven / Gradle / Ivy
/*
* (c) 2016 Novetta
*
* Created by mike
*/
package com.github.mike10004.xvfbtesting;
import com.github.mike10004.xvfbmanager.Screenshooter;
import com.github.mike10004.xvfbmanager.Screenshot;
import com.github.mike10004.xvfbmanager.TreeNode;
import com.github.mike10004.xvfbmanager.XvfbController;
import com.github.mike10004.xvfbmanager.XvfbException;
import com.google.common.base.Optional;
import com.google.common.base.Predicate;
import javax.annotation.Nullable;
import java.io.IOException;
import java.util.Map;
class DisabledXvfbController implements XvfbController {
private static final DisabledXvfbController instance = new DisabledXvfbController();
public static DisabledXvfbController getInstance() {
return instance;
}
/**
* Returns immediately without doing anything.
*/
@Override
public void waitUntilReady() {
}
/**
* Returns immediately without doing anything.
* @param pollIntervalMs ignored
* @param maxNumPolls ignored
*/
@Override
public void waitUntilReady(long pollIntervalMs, int maxNumPolls) {
}
/**
* Does nothing.
*/
@Override
public void stop() {
}
/**
* Always returns null.
* @return null
*/
@Override
public @Nullable String getDisplay() {
return null;
}
/**
* Does nothing
* @param environment map of environment variables
* @return the argument
*/
@Override
public Map configureEnvironment(Map environment) {
return environment;
}
@Override
public Map newEnvironment() {
return configureEnvironment(new java.util.HashMap<>());
}
/**
* Gets a screenshooter that throws an exception on capture.
* @return a failing screenshooter instance
*/
@Override
public Screenshooter getScreenshooter() {
return DisabledScreenshooter.instance;
}
/**
* Returns absent immediately.
* @param windowFinder the predicate
* @param intervalMs the interval
* @param maxPollAttempts the max poll attempts
* @return {@link Optional#absent()}
*/
@Override
public Optional> pollForWindow(Predicate windowFinder, long intervalMs, int maxPollAttempts) {
return Optional.absent();
}
/**
* Does nothing.
*/
@Override
public void close() {
}
private static class DisabledScreenshooter implements Screenshooter {
private static final DisabledScreenshooter instance = new DisabledScreenshooter<>();
@Override
public T capture() throws IOException, XvfbException {
throw new XvfbException("disabled");
}
}
}