1 package org.apache.commons.digester3;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.lang.reflect.Method;
23
24 /**
25 * Detached representation of a method invocation.
26 * From Commons [proxy] v2 branch.
27 * @author James Carman
28 * @since 3.2
29 */
30 final class RecordedInvocation
31 {
32
33 //******************************************************************************************************************
34 // Fields
35 //******************************************************************************************************************
36
37 private final Method invokedMethod;
38
39 private final Object[] arguments;
40
41 //******************************************************************************************************************
42 // Constructors
43 //******************************************************************************************************************
44
45 /**
46 * Create a new RecordedInvocation instance.
47 *
48 * @param invokedMethod
49 * @param arguments
50 */
51 public RecordedInvocation( Method invokedMethod, Object[] arguments )
52 {
53 this.invokedMethod = invokedMethod;
54 this.arguments = arguments;
55 }
56
57 //******************************************************************************************************************
58 // Canonical Methods
59 //******************************************************************************************************************
60
61 /**
62 * Get the invokedMethod.
63 *
64 * @return Method
65 */
66 public Method getInvokedMethod()
67 {
68 return invokedMethod;
69 }
70
71 /**
72 * Get the arguments.
73 *
74 * @return Object[]
75 */
76 public Object[] getArguments()
77 {
78 return arguments;
79 }
80
81 /**
82 * {@inheritDoc}
83 */
84 @Override
85 public String toString()
86 {
87 StringBuilder buffer = new StringBuilder();
88 buffer.append( invokedMethod.getDeclaringClass().getName() );
89 buffer.append( "." );
90 buffer.append( invokedMethod.getName() );
91 buffer.append( "(" );
92 int count = arguments.length;
93 for ( int i = 0; i < count; i++ )
94 {
95 Object arg = arguments[i];
96 if ( i > 0 )
97 {
98 buffer.append( ", " );
99 }
100 convert( buffer, arg );
101 }
102 buffer.append( ")" );
103 return buffer.toString();
104 }
105
106 /**
107 * Add a string representation of <code>input</code> to <code>buffer</code>.
108 *
109 * @param buffer the buffer to append the string representation of the input object.
110 * @param input the input object has to be serialized to string.
111 */
112 protected void convert( StringBuilder buffer, Object input )
113 {
114 if ( input == null )
115 {
116 buffer.append( "<null>" );
117 return;
118 }
119
120 // Primitive types, and non-object arrays
121 // use toString().
122 if ( !( input instanceof Object[] ) )
123 {
124 buffer.append( input.toString() );
125 return;
126 }
127 else
128 {
129 buffer.append( "(" );
130 buffer.append( input.getClass().getSimpleName() );
131 buffer.append( "){" );
132 Object[] array = (Object[]) input;
133 int count = array.length;
134 for ( int i = 0; i < count; i++ )
135 {
136 if ( i > 0 )
137 {
138 buffer.append( ", " );
139 }
140 // We use convert() again, because it could be a multi-dimensional array
141 // where each element must be converted.
142 convert( buffer, array[i] );
143 }
144 buffer.append( "}" );
145 }
146 }
147
148 }