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1
7
8 package com.sun.corba.se.impl.orbutil ;
9
10 import java.util.Arrays  ;
11
12 public abstract class ObjectWriter {
13 public static ObjectWriter make( boolean isIndenting,
14 int initialLevel, int increment )
15 {
16 if (isIndenting)
17 return new IndentingObjectWriter( initialLevel, increment ) ;
18 else
19 return new SimpleObjectWriter() ;
20 }
21
22 public abstract void startObject( Object obj ) ;
23
24 public abstract void startElement() ;
25
26 public abstract void endElement() ;
27
28 public abstract void endObject( String str ) ;
29
30 public abstract void endObject() ;
31
32 public String toString() { return result.toString() ; }
33
34 public void append( boolean arg ) { result.append( arg ) ; }
35
36 public void append( char arg ) { result.append( arg ) ; }
37
38 public void append( short arg ) { result.append( arg ) ; }
39
40 public void append( int arg ) { result.append( arg ) ; }
41
42 public void append( long arg ) { result.append( arg ) ; }
43
44 public void append( float arg ) { result.append( arg ) ; }
45
46 public void append( double arg ) { result.append( arg ) ; }
47
48 public void append( String arg ) { result.append( arg ) ; }
49
50
54 protected StringBuffer result ;
55
56 protected ObjectWriter()
57 {
58 result = new StringBuffer () ;
59 }
60
61 protected void appendObjectHeader( Object obj )
62 {
63 result.append( obj.getClass().getName() ) ;
64 result.append( "<" ) ;
65 result.append( System.identityHashCode( obj ) ) ;
66 result.append( ">" ) ;
67 Class compClass = obj.getClass().getComponentType() ;
68
69 if (compClass != null) {
70 result.append( "[" ) ;
71 if (compClass == boolean.class) {
72 boolean[] arr = (boolean[])obj ;
73 result.append( arr.length ) ;
74 result.append( "]" ) ;
75 } else if (compClass == byte.class) {
76 byte[] arr = (byte[])obj ;
77 result.append( arr.length ) ;
78 result.append( "]" ) ;
79 } else if (compClass == short.class) {
80 short[] arr = (short[])obj ;
81 result.append( arr.length ) ;
82 result.append( "]" ) ;
83 } else if (compClass == int.class) {
84 int[] arr = (int[])obj ;
85 result.append( arr.length ) ;
86 result.append( "]" ) ;
87 } else if (compClass == long.class) {
88 long[] arr = (long[])obj ;
89 result.append( arr.length ) ;
90 result.append( "]" ) ;
91 } else if (compClass == char.class) {
92 char[] arr = (char[])obj ;
93 result.append( arr.length ) ;
94 result.append( "]" ) ;
95 } else if (compClass == float.class) {
96 float[] arr = (float[])obj ;
97 result.append( arr.length ) ;
98 result.append( "]" ) ;
99 } else if (compClass == double.class) {
100 double[] arr = (double[])obj ;
101 result.append( arr.length ) ;
102 result.append( "]" ) ;
103 } else { java.lang.Object [] arr = (java.lang.Object [])obj ;
105 result.append( arr.length ) ;
106 result.append( "]" ) ;
107 }
108 }
109
110 result.append( "(" ) ;
111 }
112
113
121 private static class IndentingObjectWriter extends ObjectWriter {
122 private int level ;
123 private int increment ;
124
125 public IndentingObjectWriter( int initialLevel, int increment )
126 {
127 this.level = initialLevel ;
128 this.increment = increment ;
129 startLine() ;
130 }
131
132 private void startLine()
133 {
134 char[] fill = new char[ level * increment ] ;
135 Arrays.fill( fill, ' ' ) ;
136 result.append( fill ) ;
137 }
138
139 public void startObject( java.lang.Object obj )
140 {
141 appendObjectHeader( obj ) ;
142 level++ ;
143 }
144
145 public void startElement()
146 {
147 result.append( "\n" ) ;
148 startLine() ;
149 }
150
151 public void endElement()
152 {
153 }
154
155 public void endObject( String str )
156 {
157 level-- ;
158 result.append( str ) ;
159 result.append( ")" ) ;
160 }
161
162 public void endObject( )
163 {
164 level-- ;
165 result.append( "\n" ) ;
166 startLine() ;
167 result.append( ")" ) ;
168 }
169 }
170
171 private static class SimpleObjectWriter extends ObjectWriter {
172 public void startObject( java.lang.Object obj )
173 {
174 appendObjectHeader( obj ) ;
175 result.append( " " ) ;
176 }
177
178 public void startElement()
179 {
180 result.append( " " ) ;
181 }
182
183 public void endObject( String str )
184 {
185 result.append( str ) ;
186 result.append( ")" ) ;
187 }
188
189 public void endElement()
190 {
191 }
192
193 public void endObject()
194 {
195 result.append( ")" ) ;
196 }
197 }
198 }
199 |
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