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22 package org.jboss.ejb.plugins.cmp.ejbql;
23
24 import java.util.Iterator  ;
25 import java.util.LinkedList ;
26
27
37 public final class BlockStringBuffer {
38 private LinkedList list = new LinkedList ();
39 private int length;
40
41 public BlockStringBuffer() {
42 }
43
44 public BlockStringBuffer append(boolean b) {
45 String string = String.valueOf(b);
46 length += string.length();
47 list.addLast(string);
48 return this;
49 }
50
51 public BlockStringBuffer append(char c) {
52 String string = String.valueOf(c);
53 length += string.length();
54 list.addLast(string);
55 return this;
56 }
57
58 public BlockStringBuffer append(char[] str) {
59 String string = String.valueOf(str);
60 length += string.length();
61 list.addLast(string);
62 return this;
63 }
64
65 public BlockStringBuffer append(char[] str, int offset, int len) {
66 String string = String.valueOf(str, offset, len);
67 length += string.length();
68 list.addLast(string);
69 return this;
70 }
71
72 public BlockStringBuffer append(double d) {
73 String string = String.valueOf(d);
74 length += string.length();
75 list.addLast(string);
76 return this;
77 }
78
79 public BlockStringBuffer append(float f) {
80 String string = String.valueOf(f);
81 length += string.length();
82 list.addLast(string);
83 return this;
84 }
85
86 public BlockStringBuffer append(int i) {
87 String string = String.valueOf(i);
88 length += string.length();
89 list.addLast(string);
90 return this;
91 }
92
93 public BlockStringBuffer append(long l) {
94 String string = String.valueOf(l);
95 length += string.length();
96 list.addLast(string);
97 return this;
98 }
99
100 public BlockStringBuffer append(Object obj) {
101 if(obj instanceof String ) {
102 String string = (String )obj;
103 length += string.length();
104 list.addLast(string);
105 } else if(obj instanceof BlockStringBuffer) {
106 BlockStringBuffer buf = (BlockStringBuffer)obj;
107 length += buf.length;
108 list.addAll(buf.list);
109 } else {
110 String string = String.valueOf(obj);
111 length += string.length();
112 list.addLast(string);
113 }
114 return this;
115 }
116
117 public BlockStringBuffer prepend(boolean b) {
118 String string = String.valueOf(b);
119 length += string.length();
120 list.addFirst(string);
121 return this;
122 }
123
124 public BlockStringBuffer prepend(char c) {
125 String string = String.valueOf(c);
126 length += string.length();
127 list.addFirst(string);
128 return this;
129 }
130
131 public BlockStringBuffer prepend(char[] str) {
132 String string = String.valueOf(str);
133 length += string.length();
134 list.addFirst(string);
135 return this;
136 }
137
138 public BlockStringBuffer prepend(char[] str, int offset, int len) {
139 String string = String.valueOf(str, offset, len);
140 length += string.length();
141 list.addFirst(string);
142 return this;
143 }
144
145 public BlockStringBuffer prepend(double d) {
146 String string = String.valueOf(d);
147 length += string.length();
148 list.addFirst(string);
149 return this;
150 }
151
152 public BlockStringBuffer prepend(float f) {
153 String string = String.valueOf(f);
154 length += string.length();
155 list.addFirst(string);
156 return this;
157 }
158
159 public BlockStringBuffer prepend(int i) {
160 String string = String.valueOf(i);
161 length += string.length();
162 list.addFirst(string);
163 return this;
164 }
165
166 public BlockStringBuffer prepend(long l) {
167 String string = String.valueOf(l);
168 length += string.length();
169 list.addFirst(string);
170 return this;
171 }
172
173 public BlockStringBuffer prepend(Object obj) {
174 if(obj instanceof String ) {
175 String string = (String )obj;
176 length += string.length();
177 list.addFirst(string);
178 } else if(obj instanceof BlockStringBuffer) {
179 BlockStringBuffer buf = (BlockStringBuffer)obj;
180 length += buf.length;
181 list.addAll(0, buf.list);
182 } else {
183 String string = String.valueOf(obj);
184 length += string.length();
185 list.addFirst(string);
186 }
187 return this;
188 }
189
190 public int length() {
191 return length;
192 }
193
194 public int size() {
195 return length;
196 }
197
198 public StringBuffer toStringBuffer() {
199 StringBuffer buf = new StringBuffer (length);
202
203 for(int i = 0; i < list.size(); i++)
204 {
205 buf.append( (String )list.get(i));
206 }
207 return buf;
208 }
209
210 public String toString() {
211 return toStringBuffer().toString();
212 }
213 }
214 |
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