34 import java.lang.module.ResolvedModule; 35 import java.net.URI; 36 import java.nio.file.Path; 37 import java.util.ArrayList; 38 import java.util.Collections; 39 import java.util.HashMap; 40 import java.util.HashSet; 41 import java.util.Iterator; 42 import java.util.LinkedHashMap; 43 import java.util.List; 44 import java.util.Map; 45 import java.util.NoSuchElementException; 46 import java.util.Objects; 47 import java.util.Optional; 48 import java.util.Set; 49 import java.util.function.Function; 50 import java.util.stream.Collectors; 51 52 import jdk.internal.loader.BootLoader; 53 import jdk.internal.loader.BuiltinClassLoader; 54 import jdk.internal.misc.JavaLangAccess; 55 import jdk.internal.misc.JavaLangModuleAccess; 56 import jdk.internal.misc.SharedSecrets; 57 import jdk.internal.misc.VM; 58 import jdk.internal.perf.PerfCounter; 59 60 /** 61 * Initializes/boots the module system. 62 * 63 * The {@link #boot() boot} method is called early in the startup to initialize 64 * the module system. In summary, the boot method creates a Configuration by 65 * resolving a set of module names specified via the launcher (or equivalent) 66 * -m and --add-modules options. The modules are located on a module path that 67 * is constructed from the upgrade module path, system modules, and application 68 * module path. The Configuration is instantiated as the boot layer with each 69 * module in the configuration defined to a class loader. 70 */ 71 72 public final class ModuleBootstrap { 73 private ModuleBootstrap() { } 74 75 private static final String JAVA_BASE = "java.base"; 76 77 // the token for "all default modules" | 34 import java.lang.module.ResolvedModule; 35 import java.net.URI; 36 import java.nio.file.Path; 37 import java.util.ArrayList; 38 import java.util.Collections; 39 import java.util.HashMap; 40 import java.util.HashSet; 41 import java.util.Iterator; 42 import java.util.LinkedHashMap; 43 import java.util.List; 44 import java.util.Map; 45 import java.util.NoSuchElementException; 46 import java.util.Objects; 47 import java.util.Optional; 48 import java.util.Set; 49 import java.util.function.Function; 50 import java.util.stream.Collectors; 51 52 import jdk.internal.loader.BootLoader; 53 import jdk.internal.loader.BuiltinClassLoader; 54 import jdk.internal.access.JavaLangAccess; 55 import jdk.internal.access.JavaLangModuleAccess; 56 import jdk.internal.access.SharedSecrets; 57 import jdk.internal.perf.PerfCounter; 58 59 /** 60 * Initializes/boots the module system. 61 * 62 * The {@link #boot() boot} method is called early in the startup to initialize 63 * the module system. In summary, the boot method creates a Configuration by 64 * resolving a set of module names specified via the launcher (or equivalent) 65 * -m and --add-modules options. The modules are located on a module path that 66 * is constructed from the upgrade module path, system modules, and application 67 * module path. The Configuration is instantiated as the boot layer with each 68 * module in the configuration defined to a class loader. 69 */ 70 71 public final class ModuleBootstrap { 72 private ModuleBootstrap() { } 73 74 private static final String JAVA_BASE = "java.base"; 75 76 // the token for "all default modules" |