01 /*
02 * Copyright 2008-2016 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package griffon.exceptions;
17
18 import javax.annotation.Nonnull;
19 import javax.annotation.Nullable;
20 import java.lang.reflect.Method;
21
22 /**
23 * @author Andres Almiray
24 * @since 2.0.0
25 */
26 public class InstanceMethodInvocationException extends MethodInvocationException {
27 private static final long serialVersionUID = -2325571968606780435L;
28
29 public InstanceMethodInvocationException(@Nonnull Object instance, @Nonnull String methodName, @Nullable Object[] args) {
30 super(formatArguments(instance, methodName, args));
31 }
32
33 public InstanceMethodInvocationException(@Nonnull Object instance, @Nonnull String methodName, @Nullable Object[] args, @Nonnull Throwable cause) {
34 super(formatArguments(instance, methodName, args), cause);
35 }
36
37 public InstanceMethodInvocationException(@Nonnull Object instance, @Nonnull Method method) {
38 super(formatArguments(instance, method));
39 }
40
41 public InstanceMethodInvocationException(@Nonnull Object instance, @Nonnull Method method, @Nonnull Throwable cause) {
42 super(formatArguments(instance, method), cause);
43 }
44
45 @Nonnull
46 private static String formatArguments(@Nonnull Object instance, @Nonnull String methodName, @Nullable Object[] args) {
47 checkNonNull(instance, "instance");
48 checkNonBlank(methodName, "methodName");
49 StringBuilder b = new StringBuilder("An error occurred while invoking instance method ")
50 .append(instance.getClass().getName())
51 .append(".").append(methodName).append("(");
52
53 boolean first = true;
54 for (Class<?> type : convertToTypeArray(args)) {
55 if (first) {
56 first = false;
57 } else {
58 b.append(",");
59 }
60 if (type == null) {
61 // we don't know the type as the argument is null,
62 // let's fallback to plain old Object
63 b.append(Object.class.getName());
64 } else {
65 b.append(type.getName());
66 }
67 }
68 b.append(")");
69
70 return b.toString();
71 }
72
73 @Nonnull
74 protected static String formatArguments(@Nonnull Object instance, @Nonnull Method method) {
75 checkNonNull(instance, "instance");
76 checkNonNull(method, "method");
77 StringBuilder b = new StringBuilder("An error occurred while invoking instance method ")
78 .append(instance.getClass().getName())
79 .append(".").append(method.getName()).append("(");
80
81 boolean first = true;
82 for (Class<?> type : method.getParameterTypes()) {
83 if (first) {
84 first = false;
85 } else {
86 b.append(",");
87 }
88 b.append(type.getName());
89 }
90 b.append(")");
91
92 return b.toString();
93 }
94 }
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