本文整理匯總了Java中java.lang.invoke.MethodType.toMethodDescriptorString方法的典型用法代碼示例。如果您正苦於以下問題:Java MethodType.toMethodDescriptorString方法的具體用法?Java MethodType.toMethodDescriptorString怎麽用?Java MethodType.toMethodDescriptorString使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.lang.invoke.MethodType
的用法示例。
在下文中一共展示了MethodType.toMethodDescriptorString方法的15個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: generateMethodTest2
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method without extra args and
* args to the target method.
*/
private void generateMethodTest2(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test2", "()V",
null, null);
MethodType mt = MethodType.methodType(
CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class);
Handle bootstrap = new Handle( Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmLookupStatic", mt.toMethodDescriptorString(), false);
mv.visitLdcInsn(new Boolean(true));
mv.visitLdcInsn(new Byte((byte) 127));
mv.visitLdcInsn(new Character('c'));
mv.visitLdcInsn(new Short((short) 1024));
mv.visitLdcInsn(new Integer(123456));
mv.visitLdcInsn(new Float(1.2f));
mv.visitLdcInsn(new Long(123456789));
mv.visitLdcInsn(new Double(3.5123456789));
mv.visitLdcInsn("String");
mv.visitInvokeDynamicInsn("targetMethodTest2", "(ZBCSIFJDLjava/lang/String;)V", bootstrap);
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例2: generateMethodTest4
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
* MethodHandle of kind invokespecial.
*/
private void generateMethodTest4(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test4", "()V",
null, null);
MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
MethodType.class, MethodHandle.class);
Handle bootstrap = new Handle( Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmCreateCallSite", mt.toMethodDescriptorString(), false);
mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
mv.visitInsn(Opcodes.DUP);
mv.visitMethodInsn(
Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
mv.visitInvokeDynamicInsn("targetMethodTest5", "(Linvokecustom/InvokeCustom;)V", bootstrap,
new Handle( Opcodes.H_INVOKESPECIAL, Type.getInternalName(Super.class),
"targetMethodTest5", "()V", false));
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例3: generateMethodTest5
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
* MethodHandle of kind invoke interface. The target method is a default method into an interface
* that shadows another default method from a super interface.
*/
private void generateMethodTest5(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test5", "()V",
null, null);
MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
MethodType.class, MethodHandle.class);
Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmCreateCallCallingtargetMethodTest6", mt.toMethodDescriptorString(), false);
mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
mv.visitInsn(Opcodes.DUP);
mv.visitMethodInsn(
Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
mv.visitInvokeDynamicInsn("targetMethodTest6", "(Linvokecustom/I;)V", bootstrap,
new Handle(Opcodes.H_INVOKEINTERFACE, Type.getInternalName(I.class),
"targetMethodTest6", "()V", true));
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例4: generateMethodTest6
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
* MethodHandle of kind invoke interface. The target method is a default method into an interface
* that is at the end of a chain of interfaces.
*/
private void generateMethodTest6(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test6", "()V",
null, null);
MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
MethodType.class, MethodHandle.class);
Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmCreateCallCallingtargetMethodTest7", mt.toMethodDescriptorString(), false);
mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
mv.visitInsn(Opcodes.DUP);
mv.visitMethodInsn(
Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
mv.visitInvokeDynamicInsn("targetMethodTest7", "(Linvokecustom/J;)V", bootstrap,
new Handle(Opcodes.H_INVOKEINTERFACE, Type.getInternalName(J.class),
"targetMethodTest7", "()V", true));
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例5: generateMethodTest7
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
* MethodHandle of kind invoke interface. The target method is a method into an interface
* that is shadowed by another definition into a sub interfaces.
*/
private void generateMethodTest7(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test7", "()V",
null, null);
MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
MethodType.class, MethodHandle.class);
Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmCreateCallCallingtargetMethodTest8", mt.toMethodDescriptorString(), false);
mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
mv.visitInsn(Opcodes.DUP);
mv.visitMethodInsn(
Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
mv.visitInvokeDynamicInsn("targetMethodTest8", "(Linvokecustom/J;)V", bootstrap,
new Handle(Opcodes.H_INVOKEINTERFACE, Type.getInternalName(J.class),
"targetMethodTest8", "()V", true));
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例6: generateMethodTest8
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
* MethodHandle of kind invoke virtual. The target method is a method into an interface that is
* not shadowed by an implementation into a classes implementing the interface.
*/
private void generateMethodTest8(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test8", "()V",
null, null);
MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
MethodType.class, MethodHandle.class);
Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmCreateCallCallingtargetMethodTest9", mt.toMethodDescriptorString(), false);
mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
mv.visitInsn(Opcodes.DUP);
mv.visitMethodInsn(
Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
mv.visitInvokeDynamicInsn("targetMethodTest9", "(Linvokecustom/InvokeCustom;)V", bootstrap,
new Handle(Opcodes.H_INVOKEVIRTUAL, Type.getInternalName(InvokeCustom.class),
"targetMethodTest9", "()V", false));
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例7: generateMethodTest9
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
* MethodHandle of kind invoke virtual. The target method is a method into a class implementing
* an abstract method and that shadows a default method from an interface.
*/
private void generateMethodTest9(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test9", "()V",
null, null);
MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
MethodType.class, MethodHandle.class);
Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmCreateCallCallingtargetMethodTest10", mt.toMethodDescriptorString(), false);
mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
mv.visitInsn(Opcodes.DUP);
mv.visitMethodInsn(
Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
mv.visitInvokeDynamicInsn("targetMethodTest10", "(Linvokecustom/InvokeCustom;)V", bootstrap,
new Handle(Opcodes.H_INVOKEVIRTUAL, Type.getInternalName(InvokeCustom.class),
"targetMethodTest10", "()V", false));
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例8: generateMethodTest10
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
* MethodHandle of kind get static. The method handle read a static field from a class.
*/
private void generateMethodTest10(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test10", "()V",
null, null);
MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
MethodType.class, MethodHandle.class);
Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmCreateCallCallingtargetMethod", mt.toMethodDescriptorString(), false);
mv.visitFieldInsn(Opcodes.GETSTATIC,
"java/lang/System",
"out",
"Ljava/io/PrintStream;");
mv.visitInvokeDynamicInsn("staticField1", "()Ljava/lang/String;", bootstrap,
new Handle(Opcodes.H_GETSTATIC, Type.getInternalName(InvokeCustom.class),
"staticField1", "Ljava/lang/String;", false));
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
"java/io/PrintStream",
"println",
"(Ljava/lang/String;)V", false);
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例9: generateMethodTest12
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
* MethodHandle of kind get instance. The method handle read an instance field from a class.
*/
private void generateMethodTest12(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test12", "()V",
null, null);
MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
MethodType.class, MethodHandle.class);
Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmCreateCallCallingtargetMethod", mt.toMethodDescriptorString(), false);
mv.visitFieldInsn(Opcodes.GETSTATIC,
"java/lang/System",
"out",
"Ljava/io/PrintStream;");
mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
mv.visitInsn(Opcodes.DUP);
mv.visitMethodInsn(
Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
mv.visitInvokeDynamicInsn("instanceField1", "(Linvokecustom/InvokeCustom;)Ljava/lang/String;",
bootstrap, new Handle(Opcodes.H_GETFIELD, Type.getInternalName(InvokeCustom.class),
"instanceField1", "Ljava/lang/String;", false));
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
"java/io/PrintStream",
"println",
"(Ljava/lang/String;)V", false);
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例10: testMake_String_ClassLoader
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Test of make method, of class MethodType.
*/
@Test
public void testMake_String_ClassLoader() {
System.out.println("make (from bytecode signature)");
ClassLoader loader = null;
MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
String obj = "Ljava/lang/Object;";
assertEquals(obj, concat(Object.class));
String[] expResults = {
"(ILjava/lang/String;)V",
concat("(", obj, 2, ")", Object.class),
"()V", "()"+obj,
concat("(", String.class, Integer.class, ")I"),
concat("(", String.class, "I)", Integer.class),
concat("(", String.class, Integer.class, ")", Integer.class),
concat("(", String.class, "I)I")
};
for (int i = 0; i < instances.length; i++) {
MethodType instance = instances[i];
String result = instance.toMethodDescriptorString();
assertEquals("#"+i, expResults[i], result);
MethodType parsed = MethodType.fromMethodDescriptorString(result, loader);
assertSame("--#"+i, instance, parsed);
}
}
示例11: generateBootstrapMethod
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
private Handle generateBootstrapMethod(Handle h) {
String bootstrapName = "bootstrapMethod";
MethodType bootstrapType = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class);
MethodVisitor bmv = cv.visitMethod(ACC_PUBLIC | ACC_STATIC, bootstrapName, bootstrapType.toMethodDescriptorString(), null, null);
bmv.visitCode();
String constCallSite = "java/lang/invoke/ConstantCallSite";
bmv.visitTypeInsn(NEW, constCallSite);
bmv.visitInsn(DUP);
bmv.visitLdcInsn(h);
bmv.visitMethodInsn(INVOKESPECIAL, constCallSite, "<init>", "(Ljava/lang/invoke/MethodHandle;)V", false);
bmv.visitInsn(ARETURN);
bmv.visitMaxs(0,0);
bmv.visitEnd();
return new Handle(H_INVOKESTATIC, ownerClassName, bootstrapName, bootstrapType.toMethodDescriptorString());
}
示例12: generateMethodTest1
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method without extra args and no arg
* to the target method.
*/
private void generateMethodTest1(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test1", "()V",
null, null);
MethodType mt =
MethodType.methodType(
CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class);
Handle bootstrap = new Handle( Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmLookupStatic", mt.toMethodDescriptorString(), false);
mv.visitInvokeDynamicInsn("targetMethodTest1", "()V", bootstrap);
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例13: generateMethodTest3
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with extra args and no arg
* to the target method.
*/
private void generateMethodTest3(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test3", "()V",
null, null);
MethodType mt = MethodType.methodType(
CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class, int.class,
long.class, float.class, double.class);
Handle bootstrap = new Handle( Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmLookupStaticWithExtraArgs", mt.toMethodDescriptorString(), false);
mv.visitInvokeDynamicInsn("targetMethodTest3", "()V", bootstrap, new Integer(1),
new Long(123456789), new Float(123.456), new Double(123456.789123));
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例14: generateMethodTest11
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
* MethodHandle of kind put static. The method handle write a static field in a class and then
* print its value.
*/
private void generateMethodTest11(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test11", "()V",
null, null);
MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
MethodType.class, MethodHandle.class);
Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmCreateCallCallingtargetMethod", mt.toMethodDescriptorString(), false);
mv.visitLdcInsn("Write static field");
mv.visitInvokeDynamicInsn("staticField1", "(Ljava/lang/String;)V", bootstrap,
new Handle(Opcodes.H_PUTSTATIC, Type.getInternalName(InvokeCustom.class),
"staticField1", "Ljava/lang/String;", false));
mv.visitFieldInsn(Opcodes.GETSTATIC,
"java/lang/System",
"out",
"Ljava/io/PrintStream;");
mv.visitFieldInsn(Opcodes.GETSTATIC,
Type.getInternalName(InvokeCustom.class),
"staticField1",
"Ljava/lang/String;");
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
"java/io/PrintStream",
"println",
"(Ljava/lang/String;)V", false);
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}
示例15: generateMethodTest13
import java.lang.invoke.MethodType; //導入方法依賴的package包/類
/**
* Generate test with an invokedynamic, a static bootstrap method with an extra arg that is a
* MethodHandle of kind put instance. The method handle write an instance field in a class and
* then print its value.
*/
private void generateMethodTest13(ClassVisitor cv) {
MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test13", "()V",
null, null);
MethodType mt = MethodType.methodType(CallSite.class, MethodHandles.Lookup.class, String.class,
MethodType.class, MethodHandle.class);
Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, Type.getInternalName(InvokeCustom.class),
"bsmCreateCallCallingtargetMethod", mt.toMethodDescriptorString(), false);
mv.visitTypeInsn(Opcodes.NEW, Type.getInternalName(InvokeCustom.class));
mv.visitInsn(Opcodes.DUP);
mv.visitMethodInsn(
Opcodes.INVOKESPECIAL, Type.getInternalName(InvokeCustom.class), "<init>", "()V", false);
mv.visitVarInsn(Opcodes.ASTORE, 0);
mv.visitVarInsn(Opcodes.ALOAD, 0);
mv.visitLdcInsn("Write instance field");
mv.visitInvokeDynamicInsn("instanceField1", "(Linvokecustom/InvokeCustom;Ljava/lang/String;)V",
bootstrap, new Handle(Opcodes.H_PUTFIELD, Type.getInternalName(InvokeCustom.class),
"instanceField1", "Ljava/lang/String;", false));
mv.visitFieldInsn(Opcodes.GETSTATIC,
"java/lang/System",
"out",
"Ljava/io/PrintStream;");
mv.visitVarInsn(Opcodes.ALOAD, 0);
mv.visitFieldInsn(Opcodes.GETFIELD,
Type.getInternalName(InvokeCustom.class),
"instanceField1",
"Ljava/lang/String;");
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
"java/io/PrintStream",
"println",
"(Ljava/lang/String;)V", false);
mv.visitInsn(Opcodes.RETURN);
mv.visitMaxs(-1, -1);
}