public class io.vertx.core.ServiceHelper
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: io.vertx.core.ServiceHelper
super_class: java.lang.Object
{
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lio/vertx/core/ServiceHelper;
public static <T> T loadFactory(java.lang.Class<T>);
descriptor: (Ljava/lang/Class;)Ljava/lang/Object;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=5, locals=2, args_size=1
start local 0 0: aload 0
invokestatic io.vertx.core.ServiceHelper.loadFactoryOrNull:(Ljava/lang/Class;)Ljava/lang/Object;
astore 1
start local 1 1: aload 1
ifnonnull 3
2: new java.lang.IllegalStateException
dup
new java.lang.StringBuilder
dup
ldc "Cannot find META-INF/services/"
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 0
invokevirtual java.lang.Class.getName:()Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc " on classpath"
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
athrow
3: StackMap locals: java.lang.Object
StackMap stack:
aload 1
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 clazz Ljava/lang/Class<TT;>;
1 4 1 factory TT;
Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;)TT;
MethodParameters:
Name Flags
clazz
public static <T> T loadFactoryOrNull(java.lang.Class<T>);
descriptor: (Ljava/lang/Class;)Ljava/lang/Object;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=2, args_size=1
start local 0 0: aload 0
invokestatic io.vertx.core.ServiceHelper.loadFactories:(Ljava/lang/Class;)Ljava/util/Collection;
astore 1
start local 1 1: aload 1
invokeinterface java.util.Collection.isEmpty:()Z
ifne 3
2: aload 1
invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
areturn
3: StackMap locals: java.util.Collection
StackMap stack:
aconst_null
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 clazz Ljava/lang/Class<TT;>;
1 4 1 collection Ljava/util/Collection<TT;>;
Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;)TT;
MethodParameters:
Name Flags
clazz
public static <T> java.util.Collection<T> loadFactories(java.lang.Class<T>);
descriptor: (Ljava/lang/Class;)Ljava/util/Collection;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
aconst_null
invokestatic io.vertx.core.ServiceHelper.loadFactories:(Ljava/lang/Class;Ljava/lang/ClassLoader;)Ljava/util/Collection;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 clazz Ljava/lang/Class<TT;>;
Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;)Ljava/util/Collection<TT;>;
MethodParameters:
Name Flags
clazz
public static <T> java.util.Collection<T> loadFactories(java.lang.Class<T>, java.lang.ClassLoader);
descriptor: (Ljava/lang/Class;Ljava/lang/ClassLoader;)Ljava/util/Collection;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=4, args_size=2
start local 0 start local 1 0: new java.util.ArrayList
dup
invokespecial java.util.ArrayList.<init>:()V
astore 2
start local 2 1: aload 1
ifnull 4
2: aload 0
aload 1
invokestatic java.util.ServiceLoader.load:(Ljava/lang/Class;Ljava/lang/ClassLoader;)Ljava/util/ServiceLoader;
astore 3
start local 3 3: goto 5
end local 3 4: StackMap locals: java.util.List
StackMap stack:
aload 0
invokestatic java.util.ServiceLoader.load:(Ljava/lang/Class;)Ljava/util/ServiceLoader;
astore 3
start local 3 5: StackMap locals: java.util.ServiceLoader
StackMap stack:
aload 3
invokevirtual java.util.ServiceLoader.iterator:()Ljava/util/Iterator;
invokeinterface java.util.Iterator.hasNext:()Z
ifeq 8
6: aload 3
invokevirtual java.util.ServiceLoader.iterator:()Ljava/util/Iterator;
aload 2
dup
invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
pop
invokedynamic accept(Ljava/util/List;)Ljava/util/function/Consumer;
Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
Method arguments:
(Ljava/lang/Object;)V
java/util/List.add(Ljava/lang/Object;)Z (9 itf)
(Ljava/lang/Object;)V
invokeinterface java.util.Iterator.forEachRemaining:(Ljava/util/function/Consumer;)V
7: aload 2
areturn
8: StackMap locals:
StackMap stack:
aload 0
ldc Lio/vertx/core/ServiceHelper;
invokevirtual java.lang.Class.getClassLoader:()Ljava/lang/ClassLoader;
invokestatic java.util.ServiceLoader.load:(Ljava/lang/Class;Ljava/lang/ClassLoader;)Ljava/util/ServiceLoader;
astore 3
9: aload 3
invokevirtual java.util.ServiceLoader.iterator:()Ljava/util/Iterator;
invokeinterface java.util.Iterator.hasNext:()Z
ifeq 12
10: aload 3
invokevirtual java.util.ServiceLoader.iterator:()Ljava/util/Iterator;
aload 2
dup
invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
pop
invokedynamic accept(Ljava/util/List;)Ljava/util/function/Consumer;
Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
Method arguments:
(Ljava/lang/Object;)V
java/util/List.add(Ljava/lang/Object;)Z (9 itf)
(Ljava/lang/Object;)V
invokeinterface java.util.Iterator.forEachRemaining:(Ljava/util/function/Consumer;)V
11: aload 2
areturn
12: StackMap locals:
StackMap stack:
invokestatic java.util.Collections.emptyList:()Ljava/util/List;
areturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 13 0 clazz Ljava/lang/Class<TT;>;
0 13 1 classLoader Ljava/lang/ClassLoader;
1 13 2 list Ljava/util/List<TT;>;
3 4 3 factories Ljava/util/ServiceLoader<TT;>;
5 13 3 factories Ljava/util/ServiceLoader<TT;>;
Signature: <T:Ljava/lang/Object;>(Ljava/lang/Class<TT;>;Ljava/lang/ClassLoader;)Ljava/util/Collection<TT;>;
MethodParameters:
Name Flags
clazz
classLoader
}
SourceFile: "ServiceHelper.java"
InnerClasses:
public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles