diff --git a/add-on/build.gradle b/add-on/build.gradle index fd33427..08c9ffa 100644 --- a/add-on/build.gradle +++ b/add-on/build.gradle @@ -1,3 +1,12 @@ +/* + * Copyright (c) 2021 William Hubbard. All Rights Reserved. + * + * This module contains the browser addon that handles most of the logic for internet songs. When the :browser module is + * built, this addon is added to the browser's list of extensions. Then, when it is run, the addon will start the + * intermediary program. Then, it will receive commands from the interface through the intermediary application and + * manipulate the browser state based on those commands. It will then send the results of those commands back through + * the intermediary. The addon will also periodically shoot off updates to the browser. + */ import org.apache.tools.ant.taskdefs.condition.Os import java.nio.file.Files @@ -6,10 +15,17 @@ import java.nio.file.StandardCopyOption import java.util.stream.Stream configurations { + /** + * This configuration is used to export the packaged addon for installation into a browser. + */ addonBuild { canBeConsumed = true canBeResolved = false } + /** + * The nativeApp configuration is used to import a native application that this addon will start when the browser + * does. + */ nativeApp.extendsFrom runtime } @@ -30,7 +46,7 @@ extension.description = "A link between the Universal Music Player and the web b extension.id = "universalmusic@regis.edu" /** - * Creates an addon manifest for running + * Creates an addon manifest that defines details for the native application that is run when the app starts. */ abstract class BuildManifest extends DefaultTask { @OutputFile @@ -66,7 +82,7 @@ abstract class BuildManifest extends DefaultTask { } /** - * + * Installs the addon manifest, adding registery keys on Windows and creating the appropriate files on Mac and Linux. */ abstract class InstallAddon extends DefaultTask { @InputFile @@ -97,16 +113,25 @@ dependencies { nativeApp project(path: ":addonInter", configuration: 'nativeBuild') } +/** + * Creates a build manifest that defines details for the native application defined by nativeApp dependencies that will + * be run. + */ tasks.register('buildManifest', BuildManifest) { manifests = new File(buildDir, "${extension.name.get()}.json") } +/** + * Registers the build manifest to the OS, allowing for the native application to run properly. + * This task depends on buildManifest + */ def installAddon = tasks.register('installAddon', InstallAddon) { inputFile = buildManifest.manifests } /** * Creates a packaged (albiet unsigned) Firefox addon from the src/main directory. + * This task is finished by calling installAddon */ tasks.register('zipAddon', Zip) { dependsOn configurations.nativeApp @@ -146,6 +171,9 @@ tasks.register("clean", Delete) { followSymlinks = false } +/* + * Exports the packaged addon task. + */ artifacts { addonBuild(zipAddon) } diff --git a/add-on/src/addon/javascript/background.js b/add-on/src/addon/javascript/background.js index 45cfe6c..f5d125a 100644 --- a/add-on/src/addon/javascript/background.js +++ b/add-on/src/addon/javascript/background.js @@ -1,3 +1,52 @@ +/* + * Copyright (c) 2021 William Hubbard. All Rights Reserved. + * + * The background script forms the core of the addon. Running when the browser starts, it starts the native application + * (the intermediary program that connects to the interface). The native application will send it commands in the + * format of a JSON object containing a "messageNum" field (containing a session-unique identifier for that message) and + * "message" (containing the actual message, of which can be of any type). The message data will be forwarded to several + * listeners. The listeners will output a single value (or throw an error). In response to either, the addon will send + * a JSON object back to the native application in the following format: + * + * + * { + * "messageNum": 0, // The ID of the message that this response corresponds to + * "message": { //A wrapper that contains, among other things, the return data + * "type": "edu.regis.universeplayer.browserCommands.CommandReturn", // An identifier that tells the interface to treat this data as a return value for a command + * "returnValue": null, // The actual data returned by the listeners. In the event of an error, this will be null. + * "confirmation": { // Contains extra metadata about how the command was executed + * "type": "edu.regis.universeplayer.browserCommands.CommandConfirmation", // Another identifier for the interface + * "message": "Done", // A human-readable message on the results of execution. For non-error returns, this will simply be "done." + "errorCode": { // If an error was thrown, this object will contain data on that. Otherwise, it will be null + "type": "edu.regis.universeplayer.browserCommands.BrowserError", + "name": "", + "message": "", + "stack", [] + * } + * } + * } + * + * + * The default one (registered by this script) does the majority of processing. This default listener takes an object + * with a single "type" field that corresponds to an instance of edu.regis.universeplayer.browserCommands.BrowserQuery + * in the Java interface. Using that "type" field, it determines what action to take and uses extra data within the + * message object. Should the message be something delegated to a foreground tab (i.e. controlling a YouTube video), + * the listener will forward the message to the tab in the following format before returning: + * + * + * { + * "num": 0, // The ID of the tab-specific message. This is independent of the "messageNum" field above + * "message": {} // A copy of the actual message sent. + * } + * + * + * Either way, + * + * Then, whenever it receives a command from the application, + * it will forward that command to several listeners. One of those listeners, a default one registered by this script, + * does the majority of processing. If the message is marked for a specific tab (one running the foreground.js script), + * the message is forwarded to that tab for further processing before retrieving the value. Either way, + */ let logger = new Logger("background"); logger.pushUpdate = function (message) @@ -357,6 +406,12 @@ function queryTab(tab, message) }); } +/** + * Contains a list of listeners that will act upon messages from the native app. + * + * @see handleMessage(message) + */ +var listeners = [ /** * A callback for when the native application sends a message. * @@ -365,7 +420,7 @@ function queryTab(tab, message) * or a new value. * @return Either the value passed on returnValue or a new value. */ -var listeners = [function (message, returnValue) { +function (message, returnValue) { if (typeof message == "object" && "type" in message) { let type = message.type; diff --git a/add-on/src/addon/javascript/foreground.js b/add-on/src/addon/javascript/foreground.js index c51c6ba..fdfdc13 100644 --- a/add-on/src/addon/javascript/foreground.js +++ b/add-on/src/addon/javascript/foreground.js @@ -1,3 +1,9 @@ +/* + * Copyright (c) 2021 William Hubbard. All Rights Reserved. + * + * The foreground script serves as the core for managing playback of a song. It receives messages forwarded from the background + */ + let logger = new Logger("foreground"); console.debug("Loading foreground.js"); let background; @@ -70,7 +76,16 @@ function handleMessage(message) /** * Calling this function will forward playback data to the browser background (and by extension, the - * interface) as specified by the parameters. + * interface) as specified by the parameters. The sent data will be in the following format: + * + * + * { + * "type": "edu.regis.universeplayer.PlaybackInfo", + * "currentSong": {}, + * "status": "STATUS", + * "playTime": 0 + * } + * * * @param {string} status The playback status. This can be "PLAYING", "PAUSED", "STOPPED", * "FINISHED", or "EMPTY" @@ -88,7 +103,14 @@ function onStatusUpdate(status, time, songData) } /** - * Forwards an update to the background (and by extension, the interface). + * Forwards an update to the background (and by extension, the interface). The data will be in the following format: + * + * + * { + * "type": "update", + * "data": {} // The actual data sent. + * } + * * * @param {object|Promise} response The data to forward. If this data is a Promise, then the data * will be forwarded upon completion. @@ -110,10 +132,16 @@ function sendUpdate(response) } $(function () { + /* + * Preinitializes a few things + */ while (preload.length > 0) { preload.pop()(); } + /* + * Connects to the background. + */ background = browser.runtime.connect({name:"universalMusic"}); // sendUpdate("loaded"); diff --git a/addonInter/build.gradle b/addonInter/build.gradle index 5ed482c..9f90ae1 100644 --- a/addonInter/build.gradle +++ b/addonInter/build.gradle @@ -1,13 +1,11 @@ -import org.apache.tools.ant.taskdefs.condition.Os - -import java.lang.reflect.Method -import java.nio.file.Files -import java.nio.file.Paths -import java.nio.file.StandardCopyOption -import java.util.stream.Stream - /* * Copyright (c) 2021 William Hubbard. All Rights Reserved. + * + * This module contains a program separate from both the browser and the interface. Firefox's native messaging API can + * only start a process, it can't communicate with a process that is already running. That is where this module comes + * in. The browser will start this module, and the interface will create a server over the localhost. When this program + * is started, it connects to that server. It will then relay messages between the browser and interface, translating + * between JSON and serialized Java objects as needed. */ plugins { id 'java' @@ -16,10 +14,17 @@ plugins { } configurations { + /** + * The native build artifact is used by the addon build process to ensure that it knows where the executable can be + * found. This is because the addon needs to have the executable registered on install. + */ nativeBuild { canBeConsumed = true canBeResolved = false } + /** + * The install configuration is used for when we are packaging up the intermediary program. + */ install { canBeConsumed = true canBeResolved = false diff --git a/addonInter/src/test/java/edu/regis/universeplayer/addon/BrowserLinkTest.java b/addonInter/src/test/java/edu/regis/universeplayer/addon/BrowserLinkTest.java new file mode 100644 index 0000000..0fa046e --- /dev/null +++ b/addonInter/src/test/java/edu/regis/universeplayer/addon/BrowserLinkTest.java @@ -0,0 +1,5 @@ +package edu.regis.universeplayer.addon; + +public class BrowserLinkTest +{ +} diff --git a/browser/build.gradle b/browser/build.gradle index 03dc21d..9eead20 100644 --- a/browser/build.gradle +++ b/browser/build.gradle @@ -1,5 +1,13 @@ /* * Copyright (c) 2021 William Hubbard. All Rights Reserved. + * + * This module is responsible for handling an instance of the Firefox web browser during runtime. This will install the + * appropriate version of Firefox Developer edition to the application installation directory, downloading it directly + * from Mozilla (administrator privileges are needed on Windows). It will also compile addon dependencies and add them + * to the install. + * + * This is all done prior to compiling the Java component of this module. The Java component is a single library that + * contains the appropriate methods to launch the browser and relay messages to and from the running instance. */ import org.apache.tools.ant.taskdefs.condition.Os @@ -12,10 +20,16 @@ plugins { } configurations { + /** + * Addons are dependencies that will be added to the Firefox installation as an extension. + */ addon { canBeConsumed = false canBeResolved = true } + /** + * This will be how the browser policy and addon configuration will be exported. + */ install { canBeConsumed = true canBeResolved = false @@ -49,11 +63,6 @@ repositories { } } -abstract class InstallBrowserTask extends DefaultTask { - @OutputFile - final abstract DirectoryProperty installation = project.objects.directoryProperty() -} - dependencies { implementation 'org.slf4j:slf4j-api:1.7.30' implementation 'org.apache.logging.log4j:log4j-api:2.13.3' @@ -64,6 +73,11 @@ dependencies { addon project(path: ":add-on", configuration: 'addonBuild') } +/** + * Downloads the 64-bit Linux Firefox installer. + * + * @return The msi file that installs firefox. + */ task downloadWindows_x86_64(type: Download) { src "https://download-installer.cdn.mozilla.net/pub/${firefox_module}/releases/${firefox_revision}/win64/en-US/Firefox%20Setup%20${firefox_revision}.msi" dest layout.buildDirectory.file("installer.msi") @@ -71,6 +85,11 @@ task downloadWindows_x86_64(type: Download) { onlyIfModified true } +/** + * Downloads the 32-bit Linux Firefox installer. + * + * @return The msi file that installs firefox. + */ task downloadWindows_x86(type: Download) { src "https://download-installer.cdn.mozilla.net/pub/${firefox_module}/releases/${firefox_revision}/win32/en-US/Firefox%20Setup%20${firefox_revision}.msi" dest layout.buildDirectory.file("installer.msi") @@ -78,6 +97,11 @@ task downloadWindows_x86(type: Download) { onlyIfModified true } +/** + * Downloads the 64-bit Linux Firefox installation. + * + * @return The tar file that contains the Firefox download. + */ task downloadLinux_x86_64(type: Download) { src "https://download-installer.cdn.mozilla.net/pub/${firefox_module}/releases/${firefox_revision}/linux-x86_64/en-US/firefox-${firefox_revision}.tar.bz2" dest layout.buildDirectory.file("installer.tar.bz2") @@ -85,6 +109,11 @@ task downloadLinux_x86_64(type: Download) { onlyIfModified true } +/** + * Downloads the 32-bit Linux Firefox installation. + * + * @return The tar file that contains the Firefox download. + */ task downloadLinux_i686(type: Download) { src "https://download-installer.cdn.mozilla.net/pub/${firefox_module}/releases/${firefox_revision}/linux-i686/en-US/firefox-${firefox_revision}.tar.bz2" dest layout.buildDirectory.file("installer.tar.bz2") @@ -92,6 +121,14 @@ task downloadLinux_i686(type: Download) { onlyIfModified true } +/** + * Installs the 64-bit Windows Firefox to the firefox directory within the project root ($rootDir/firefox). Note that + * administrator privileges will be needed to properly install. + * + * This depends on the output of downloadWindows_x86_64. + * + * @return The directory Firefox was installed to. + */ task installWindows_x86_64(dependsOn: downloadWindows_x86_64, type: Exec) { workingDir layout.buildDirectory commandLine 'msiexec', '/i', '"' + downloadWindows_x86_64.dest + '"', '/li', '"install.log"', '/qb', "INSTALL_DIRECTORY_PATH=\"$rootDir\\firefox\"", 'TASKBAR_SHORTCUT=false', 'DESKTOP_SHORTCUT=false', 'INSTALL_MAINTENANCE_SERVICE=false' @@ -102,6 +139,14 @@ installWindows_x86_64.doFirst { println "Administrator privileges needed for installing Firefox. Please confirm on the popup." } +/** + * Installs the 32-bit Windows Firefox to the firefox directory within the project root ($rootDir/firefox). Note that + * administrator privileges will be needed to properly install. + * + * This depends on the output of downloadWindows_x86. + * + * @return The directory Firefox was installed to. + */ task installWindows_x86(dependsOn: downloadWindows_x86, type: Exec) { workingDir layout.buildDirectory commandLine 'msiexec', '/i', '"' + downloadWindows_x86.dest + '"', '/li', '"install.log"', '/qb', "INSTALL_DIRECTORY_PATH=\"$rootDir/firefox\"", 'TASKBAR_SHORTCUT=false', 'DESKTOP_SHORTCUT=false', 'INSTALL_MAINTENANCE_SERVICE=false' @@ -112,10 +157,20 @@ installWindows_x86.doFirst { println "Administrator privileges needed for installing Firefox. Please confirm on the popup." } +/** + * Removes the Firefox installation directory, $rootDir/firefox. + */ task deleteFirefoxWindows(type: Delete) { delete "$rootDir/firefox" } +/** + * Invoke's the Firefox's Windows uninstaller. + * + * This task will call deleteFirefoxWindows. + * + * @return The directory Firefox was installed to. + */ task uninstallFirefoxWindows(type: Exec) { workingDir layout.buildDirectory commandLine 'cmd', '/c', "$rootDir\\firefox\\uninstall\\helper.exe", '/S' @@ -126,6 +181,13 @@ uninstallFirefoxWindows.doFirst { } uninstallFirefoxWindows.finalizedBy deleteFirefoxWindows +/** + * Installs the 64-bit Linux Firefox to the firefox directory within the project root ($rootDir/firefox). + * + * This depends on the output of downloadLinux_x86_64. + * + * @return The directory Firefox was installed to. + */ task installLinux_x86_64(dependsOn: downloadLinux_x86_64, type: Copy) { from(tarTree(downloadLinux_x86_64.dest)) { include "firefox/**" @@ -137,6 +199,13 @@ task installLinux_x86_64(dependsOn: downloadLinux_x86_64, type: Copy) { // outputs.dir(new File(rootDir, "firefox")) } +/** + * Installs the 32-bit Linux Firefox to the firefox directory within the project root ($rootDir/firefox). + * + * This depends on the output of downloadLinux_i686. + * + * @return The directory Firefox was installed to. + */ task installLinux_i686(dependsOn: downloadLinux_i686, type: Copy) { from(tarTree(downloadLinux_i686.dest)) { include "firefox/**" @@ -148,6 +217,14 @@ task installLinux_i686(dependsOn: downloadLinux_i686, type: Copy) { outputs.dir("$rootDir/firefox") } +/** + * Installs the version of Firefox appropriate for the current system. + * + * This depends on the output of installWindows_x86_64, installWindows_x86, installLinux_x86_64, or installLinux_i686, + * depending on the architecture. + * + * @return The directory Firefox was installed in. + */ task installFirefox() { if (Os.isFamily(Os.FAMILY_WINDOWS)) { @@ -201,6 +278,11 @@ task installFirefox() { } } +/** + * Sets up the folders that addons will be stored in, the /distribution/extensions folder. + * + * This task depends on installFirefox. + */ task setupProfile { dependsOn installFirefox doFirst { @@ -215,10 +297,19 @@ task setupProfile { } } +/** + * This task sets up the policies that Firefox will use when creating new profiles. These are copied from the + * browserConf directory. + * + * This task depends on setupProfile. + */ task movePolicies(type: Copy) { dependsOn setupProfile from files("browserConf") into "$rootDir/firefox/" + /* + * Registers any required addons as needed. + */ filesMatching('**/policies.json'){ def pre = "" for (File addon: configurations.addon.resolve()) @@ -240,6 +331,11 @@ task movePolicies(type: Copy) { } } +/** + * Builds all addon dependencies and copies them to the Firefox installation's distribution/extensions folder. + * + * Depends on installFirefox, setupProfile, and addon dependencies. + */ task installAddons(type: Copy) { dependsOn setupProfile dependsOn configurations.addon @@ -250,6 +346,11 @@ task installAddons(type: Copy) { } } +/** + * Zips all addons and browser policies into a conf.tar file. + * + * I don't actually remember what this is supposed to do. + */ task zipPolicies(type: Tar) { archiveFileName = "conf.tar" destinationDirectory = file("$buildDir") @@ -280,9 +381,15 @@ tasks.named('clean') { } println configurations.getNames() +/* + * The java runtime requires the browser to be set up beforehand. + */ compileJava.dependsOn installAddons compileJava.dependsOn movePolicies +/* + * Exports the addons and policy configuration. + */ artifacts { install(zipPolicies) } \ No newline at end of file diff --git a/browser/src/main/java/edu/regis/universeplayer/browser/Browser.java b/browser/src/main/java/edu/regis/universeplayer/browser/Browser.java index 777b5e5..277c1aa 100644 --- a/browser/src/main/java/edu/regis/universeplayer/browser/Browser.java +++ b/browser/src/main/java/edu/regis/universeplayer/browser/Browser.java @@ -4,16 +4,17 @@ package edu.regis.universeplayer.browser; -import org.apache.logging.log4j.LogManager; +import edu.regis.universeplayer.ConfigManager; +import edu.regis.universeplayer.Log; +import edu.regis.universeplayer.browserCommands.BrowserConstants; +import edu.regis.universeplayer.browserCommands.MessageRunner; import org.apache.logging.log4j.core.DefaultLoggerContextAccessor; import org.apache.logging.log4j.core.LogEvent; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.File; -import java.io.FileWriter; import java.io.IOException; -import java.io.PrintStream; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.net.ConnectException; @@ -24,43 +25,69 @@ import java.util.Arrays; import java.util.Scanner; import java.util.concurrent.atomic.AtomicBoolean; -import edu.regis.universeplayer.ConfigManager; -import edu.regis.universeplayer.Log; -import edu.regis.universeplayer.browserCommands.BrowserConstants; -import edu.regis.universeplayer.browserCommands.MessageRunner; -import edu.regis.universeplayer.browserCommands.UpdateListener; - +/** + * This message runner is responsible for starting an instance of a browser + * and running messages to and from it. This runner provides a static method, + * {@link #createBrowser()}, that starts an instance of the Firefox browser. + * That instance contains an addon that starts up a third process, the + * intermediary program. The intermediary program connects to the interface + * and relays messages between the browser and this runner. + */ public class Browser extends MessageRunner { private static final Logger logger = LoggerFactory.getLogger(Browser.class); private static final Logger browserLogger = LoggerFactory.getLogger("browser"); - + private static Browser INSTANCE; + /* + * This boolean keeps track of whether the browser has started or not. + * Threads that need to wait for the browser to start can wait upon this + * object's monitor. + */ private static final AtomicBoolean instanceWaiter = new AtomicBoolean(); - + + /** + * Obtains the running instance of the browser. + * + * @return The running Browser instance, or null if it is not running. + */ public static Browser getInstance() { return INSTANCE; } - + private final Process process; private final ServerSocket server; private final Socket socket; - + private boolean running = true; - + + /** + * Launches a browser instance. + * + * @return The instance launched. + * @throws IOException + * @throws InterruptedException + */ public static Browser createBrowser() throws IOException, InterruptedException { if (INSTANCE != null) { return INSTANCE; } - + + /* + * Creates a server on the localhost. When the browser starts the + * intermediary program, that program will attempt to connect to this + * server. Any messages the browser outputs will eventually be received + * here, and any messages to send will first be pushed through this + * server. + */ ServerSocket server = new ServerSocket(BrowserConstants.PORT, 50, InetAddress .getByName(null)); logger.debug("Server started."); - + int startExit; Process browserProcess = launchBrowser(); /* @@ -85,7 +112,10 @@ public class Browser extends MessageRunner } } logger.debug("Browser started."); - + + /* + * Waits for the intermediary program to connect to our server. + */ ConnectException connErr = null; logger.debug("Attempting connection"); Socket socket = server.accept(); @@ -113,12 +143,25 @@ public class Browser extends MessageRunner { logger.debug("Connection established."); } + /* + * Now that the socket connection has been set up, we can create the + * message runner. + */ INSTANCE = new Browser(socket, server, browserProcess); instanceWaiter.set(true); notifyAllInstance(); return INSTANCE; } - + + /** + * Creates a browser message runner, + * + * @param socket - The socket that the browser's intermediary program is + * using. + * @param server - The server that is hosting the above socket. + * @param process - The process controlling the browser instance. + * @throws IOException + */ private Browser(Socket socket, ServerSocket server, Process process) throws IOException { super("BrowserRunner", socket.getInputStream(), socket @@ -126,9 +169,9 @@ public class Browser extends MessageRunner this.socket = socket; this.server = server; this.process = process; - + /* - * Sends browser logs to the main log. + * Automatically sends browser logs that come through to the main log. */ this.addUpdateListener((object, runner) -> { @@ -142,7 +185,7 @@ public class Browser extends MessageRunner Object[] params = null; if (log.message.length == 1 && !(log.message[0] instanceof String)) { - log.message = new Object[] {"{}", log.message[0]}; + log.message = new Object[]{"{}", log.message[0]}; } if (log.message.length == 1) { @@ -202,7 +245,13 @@ public class Browser extends MessageRunner } }); } - + + /** + * {@inheritDoc} This keeps the thread running for as long as the + * connection exists. + * + * @return Whether we chould stop this thread or not. + */ @Override protected boolean onRun() { @@ -214,7 +263,10 @@ public class Browser extends MessageRunner } return !this.running; } - + + /** + * {@inheritDoc} This shuts down the socket, server, and browser process. + */ @Override protected void onClose() { @@ -243,18 +295,19 @@ public class Browser extends MessageRunner } } } - + /** - * + * Called to stop the browser. */ public void stop() { this.running = false; } - + /** - * Utility method for launching a browser instance + * Utility method for launching a browser instance process. * + * @return The process responsible for the browser. * @throws IOException - Thrown if there is a problem launching the * browser. */ @@ -290,15 +343,23 @@ public class Browser extends MessageRunner { throw new IOException("Could not find Firefox installation for OS " + os + " " + arch); } - + return process; } - - public static void notifyInstance() + + /** + * Notifies a single random waiting thread that the browser message + * runner has started. + */ + private static void notifyInstance() { instanceWaiter.notify(); } - + + /** + * Alerts all threads waiting for the browser to start that the browser has + * started. + */ public static void notifyAllInstance() { synchronized (instanceWaiter) @@ -306,7 +367,13 @@ public class Browser extends MessageRunner instanceWaiter.notifyAll(); } } - + + /** + * Causes the current thread to wait for the browser process to start and + * the message runner to properly set up. + * + * @throws InterruptedException + */ public static void waitInstance() throws InterruptedException { synchronized (instanceWaiter) @@ -314,7 +381,13 @@ public class Browser extends MessageRunner instanceWaiter.wait(); } } - + + /** + * Causes the current thread to wait for the browser process to start and + * the message runner to properly set up. + * + * @throws InterruptedException + */ public static void waitInstance(long timeoutMillis) throws InterruptedException { synchronized (instanceWaiter) @@ -322,7 +395,13 @@ public class Browser extends MessageRunner instanceWaiter.wait(timeoutMillis); } } - + + /** + * Causes the current thread to wait for the browser process to start and + * the message runner to properly set up. + * + * @throws InterruptedException + */ public static void waitInstance(long timeoutMillis, int nanos) throws InterruptedException { synchronized (instanceWaiter) diff --git a/browserCommands/build.gradle b/browserCommands/build.gradle index d2ddb77..4297cfa 100644 --- a/browserCommands/build.gradle +++ b/browserCommands/build.gradle @@ -1,5 +1,9 @@ /* * Copyright (c) 2021 William Hubbard. All Rights Reserved. + * + * This module contains a series of classes used by multiple modules (notably, the :browser and :interface modules). + * Notably, it contains commands that the browser reacts to, the response structure, and data structures that is + * frequently passed to and from the interface and browser. */ plugins { @@ -24,6 +28,8 @@ dependencies { implementation 'net.harawata:appdirs:1.2.1' + implementation 'net.harawata:appdirs:1.2.1' + // Declare the dependency for your favourite test framework you want to use in your tests. // TestNG is also supported by the Gradle Test task. Just change the // testCompile dependency to testCompile 'org.testng:testng:6.8.1' and add diff --git a/browserCommands/src/main/java/edu/regis/universeplayer/browserCommands/MessageSerializer.java b/browserCommands/src/main/java/edu/regis/universeplayer/browserCommands/MessageSerializer.java index 8859f28..3961bb3 100644 --- a/browserCommands/src/main/java/edu/regis/universeplayer/browserCommands/MessageSerializer.java +++ b/browserCommands/src/main/java/edu/regis/universeplayer/browserCommands/MessageSerializer.java @@ -14,7 +14,7 @@ import java.util.Arrays; public interface MessageSerializer { Logger getLogger(); - + /** * Converts an object into a form that can be sent. * @@ -33,7 +33,7 @@ public interface MessageSerializer return byteStream.toByteArray(); } } - + /** * Converts a byte stream into an object. * @@ -57,15 +57,20 @@ public interface MessageSerializer } } } - + /** * Writes a message to the output stream. + *

+ * By default, it will first write the number of the message (one integer + * of 4 bytes), and then the length of the message in bytes (another + * integer of four bytes). It finally writes the data stream before + * flushing the stream. * * @param out - The output stream to write to. * @param messageNum - The ID of the message being sent. This will help keep * track of responses. * @param message - The actual message contents to write. - * @throws IOException Thrown when an exception occures + * @throws IOException Thrown when an exception occurs */ default void writeMessage(OutputStream out, int messageNum, byte[] message) throws IOException { @@ -94,9 +99,9 @@ public interface MessageSerializer out.write(message); out.flush(); } - + /** - * Reads a message from the input stream + * Reads a message from the input stream. * * @param in - The input stream to read from. * @return Two byte arrays, each with their own value encoded. The first is @@ -153,7 +158,7 @@ public interface MessageSerializer getLogger().trace("Reading message"); return new byte[][]{messageNum, message}; } - + /** * This method is called when an error in deserialization occurs. * diff --git a/interface/src/test/resources/samples/Fishing_village.wav b/interface/src/test/resources/samples/Fishing_village.wav new file mode 100644 index 0000000..e16060a Binary files /dev/null and b/interface/src/test/resources/samples/Fishing_village.wav differ diff --git a/interface/src/test/resources/samples/Rising_Moon.mp3 b/interface/src/test/resources/samples/Rising_Moon.mp3 new file mode 100644 index 0000000..f29ec0b Binary files /dev/null and b/interface/src/test/resources/samples/Rising_Moon.mp3 differ diff --git a/interface/src/test/resources/samples/The Beach Where Dreams Die.wav b/interface/src/test/resources/samples/The Beach Where Dreams Die.wav new file mode 100644 index 0000000..ee43751 Binary files /dev/null and b/interface/src/test/resources/samples/The Beach Where Dreams Die.wav differ diff --git a/interface/src/test/resources/samples/ambient2(Nautilus).mp3 b/interface/src/test/resources/samples/ambient2(Nautilus).mp3 new file mode 100644 index 0000000..109300c Binary files /dev/null and b/interface/src/test/resources/samples/ambient2(Nautilus).mp3 differ diff --git a/interface/src/test/resources/samples/k.wav b/interface/src/test/resources/samples/k.wav new file mode 100644 index 0000000..1705ade Binary files /dev/null and b/interface/src/test/resources/samples/k.wav differ diff --git a/interface/src/test/resources/samples/sPACE.wav b/interface/src/test/resources/samples/sPACE.wav new file mode 100644 index 0000000..7c51782 Binary files /dev/null and b/interface/src/test/resources/samples/sPACE.wav differ diff --git a/interface/src/test/resources/samples/song_of_the_sea.ogg b/interface/src/test/resources/samples/song_of_the_sea.ogg new file mode 100644 index 0000000..434d219 Binary files /dev/null and b/interface/src/test/resources/samples/song_of_the_sea.ogg differ