|
58416
|
1 |
/*
|
|
|
2 |
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
|
|
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
4 |
*
|
|
|
5 |
* This code is free software; you can redistribute it and/or modify it
|
|
|
6 |
* under the terms of the GNU General Public License version 2 only, as
|
|
|
7 |
* published by the Free Software Foundation.
|
|
|
8 |
*
|
|
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that
|
|
|
13 |
* accompanied this code).
|
|
|
14 |
*
|
|
|
15 |
* You should have received a copy of the GNU General Public License version
|
|
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 |
*
|
|
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
|
20 |
* or visit www.oracle.com if you need additional information or have any
|
|
|
21 |
* questions.
|
|
|
22 |
*/
|
|
|
23 |
package jdk.jpackage.test;
|
|
|
24 |
|
|
|
25 |
import java.lang.reflect.Constructor;
|
|
58648
|
26 |
import java.lang.reflect.InvocationTargetException;
|
|
58416
|
27 |
import java.lang.reflect.Method;
|
|
|
28 |
import java.lang.reflect.Modifier;
|
|
58648
|
29 |
import java.util.Arrays;
|
|
|
30 |
import java.util.List;
|
|
|
31 |
import java.util.Objects;
|
|
|
32 |
import java.util.Optional;
|
|
|
33 |
import java.util.function.Supplier;
|
|
|
34 |
import java.util.stream.Collectors;
|
|
|
35 |
import java.util.stream.Stream;
|
|
58416
|
36 |
import jdk.jpackage.test.Functional.ThrowingConsumer;
|
|
|
37 |
import jdk.jpackage.test.TestInstance.TestDesc;
|
|
|
38 |
|
|
|
39 |
class MethodCall implements ThrowingConsumer {
|
|
|
40 |
|
|
58648
|
41 |
MethodCall(Object[] instanceCtorArgs, Method method) {
|
|
|
42 |
this.ctorArgs = Optional.ofNullable(instanceCtorArgs).orElse(
|
|
|
43 |
DEFAULT_CTOR_ARGS);
|
|
58416
|
44 |
this.method = method;
|
|
58648
|
45 |
this.methodArgs = new Object[0];
|
|
|
46 |
}
|
|
|
47 |
|
|
|
48 |
MethodCall(Object[] instanceCtorArgs, Method method, Object arg) {
|
|
|
49 |
this.ctorArgs = Optional.ofNullable(instanceCtorArgs).orElse(
|
|
|
50 |
DEFAULT_CTOR_ARGS);
|
|
|
51 |
this.method = method;
|
|
|
52 |
this.methodArgs = new Object[]{arg};
|
|
58416
|
53 |
}
|
|
|
54 |
|
|
|
55 |
TestDesc createDescription() {
|
|
58648
|
56 |
var descBuilder = TestDesc.createBuilder().method(method);
|
|
|
57 |
if (methodArgs.length != 0) {
|
|
|
58 |
descBuilder.methodArgs(methodArgs);
|
|
|
59 |
}
|
|
|
60 |
|
|
|
61 |
if (ctorArgs.length != 0) {
|
|
|
62 |
descBuilder.ctorArgs(ctorArgs);
|
|
|
63 |
}
|
|
|
64 |
|
|
|
65 |
return descBuilder.get();
|
|
|
66 |
}
|
|
|
67 |
|
|
|
68 |
Method getMethod() {
|
|
|
69 |
return method;
|
|
58416
|
70 |
}
|
|
|
71 |
|
|
58648
|
72 |
Object newInstance() throws NoSuchMethodException, InstantiationException,
|
|
|
73 |
IllegalAccessException, IllegalArgumentException,
|
|
|
74 |
InvocationTargetException {
|
|
|
75 |
if ((method.getModifiers() & Modifier.STATIC) != 0) {
|
|
|
76 |
return null;
|
|
|
77 |
}
|
|
|
78 |
|
|
|
79 |
Constructor ctor = findRequiredConstructor(method.getDeclaringClass(),
|
|
|
80 |
ctorArgs);
|
|
|
81 |
if (ctor.isVarArgs()) {
|
|
|
82 |
// Assume constructor doesn't have fixed, only variable parameters.
|
|
|
83 |
return ctor.newInstance(new Object[]{ctorArgs});
|
|
|
84 |
}
|
|
|
85 |
|
|
|
86 |
return ctor.newInstance(ctorArgs);
|
|
|
87 |
}
|
|
|
88 |
|
|
|
89 |
void checkRequiredConstructor() throws NoSuchMethodException {
|
|
|
90 |
if ((method.getModifiers() & Modifier.STATIC) == 0) {
|
|
|
91 |
findRequiredConstructor(method.getDeclaringClass(), ctorArgs);
|
|
|
92 |
}
|
|
58416
|
93 |
}
|
|
|
94 |
|
|
58648
|
95 |
private static Constructor findVarArgConstructor(Class type) {
|
|
|
96 |
return Stream.of(type.getConstructors()).filter(
|
|
|
97 |
Constructor::isVarArgs).findFirst().orElse(null);
|
|
|
98 |
}
|
|
|
99 |
|
|
|
100 |
private Constructor findRequiredConstructor(Class type, Object... ctorArgs)
|
|
|
101 |
throws NoSuchMethodException {
|
|
|
102 |
|
|
|
103 |
Supplier<NoSuchMethodException> notFoundException = () -> {
|
|
|
104 |
return new NoSuchMethodException(String.format(
|
|
|
105 |
"No public contructor in %s for %s arguments", type,
|
|
|
106 |
Arrays.deepToString(ctorArgs)));
|
|
|
107 |
};
|
|
|
108 |
|
|
|
109 |
if (Stream.of(ctorArgs).allMatch(Objects::nonNull)) {
|
|
|
110 |
// No `null` in constructor args, take easy path
|
|
|
111 |
try {
|
|
|
112 |
return type.getConstructor(Stream.of(ctorArgs).map(
|
|
|
113 |
Object::getClass).collect(Collectors.toList()).toArray(
|
|
|
114 |
Class[]::new));
|
|
|
115 |
} catch (NoSuchMethodException ex) {
|
|
|
116 |
// Failed to find ctor that can take the given arguments.
|
|
|
117 |
Constructor varArgCtor = findVarArgConstructor(type);
|
|
|
118 |
if (varArgCtor != null) {
|
|
|
119 |
// There is one with variable number of arguments. Use it.
|
|
|
120 |
return varArgCtor;
|
|
|
121 |
}
|
|
|
122 |
throw notFoundException.get();
|
|
|
123 |
}
|
|
58416
|
124 |
}
|
|
58648
|
125 |
|
|
|
126 |
List<Constructor> ctors = Stream.of(type.getConstructors())
|
|
|
127 |
.filter(ctor -> ctor.getParameterCount() == ctorArgs.length)
|
|
|
128 |
.collect(Collectors.toList());
|
|
|
129 |
|
|
|
130 |
if (ctors.isEmpty()) {
|
|
|
131 |
// No public constructors that can handle the given arguments.
|
|
|
132 |
throw notFoundException.get();
|
|
|
133 |
}
|
|
|
134 |
|
|
|
135 |
if (ctors.size() == 1) {
|
|
|
136 |
return ctors.iterator().next();
|
|
|
137 |
}
|
|
|
138 |
|
|
|
139 |
// Revisit this tricky case when it will start bothering.
|
|
|
140 |
throw notFoundException.get();
|
|
58416
|
141 |
}
|
|
|
142 |
|
|
|
143 |
@Override
|
|
|
144 |
public void accept(Object thiz) throws Throwable {
|
|
58648
|
145 |
method.invoke(thiz, methodArgs);
|
|
58416
|
146 |
}
|
|
|
147 |
|
|
58648
|
148 |
private final Object[] methodArgs;
|
|
58416
|
149 |
private final Method method;
|
|
58648
|
150 |
private final Object[] ctorArgs;
|
|
|
151 |
|
|
|
152 |
final static Object[] DEFAULT_CTOR_ARGS = new Object[0];
|
|
58416
|
153 |
}
|