01: /*
02: * Copyright 2006 The Kuali Foundation.
03: *
04: * Licensed under the Educational Community License, Version 1.0 (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.opensource.org/licenses/ecl1.php
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 org.kuali.core.util;
17:
18: import java.io.ByteArrayOutputStream;
19: import java.io.PrintStream;
20:
21: /**
22: * Builds a <code>{@link String}</code> instance using a pattern similar to the varargs printf() variety.
23: *
24: *
25: */
26: public class PatternedStringBuilder {
27: private String _pattern;
28:
29: /**
30: * Constructor that takes a pattern
31: *
32: * @param pattern
33: */
34: public PatternedStringBuilder(String pattern) {
35: setPattern(pattern);
36: }
37:
38: /**
39: * Write accessor method for pattern
40: *
41: * @param pattern
42: */
43: public void setPattern(String pattern) {
44: _pattern = pattern;
45: }
46:
47: /**
48: * Read accessor method for pattern
49: *
50: * @return String
51: */
52: public String getPattern() {
53: return _pattern;
54: }
55:
56: /**
57: * Takes an ellipses of <code>{@link String}</code> parameters and builds a <code>{@link String}</code> instance from them
58: * and the pattern given earlier.
59: *
60: * @param args
61: * @return String
62: */
63: public String sprintf(Object... args) {
64: ByteArrayOutputStream retval = new ByteArrayOutputStream();
65:
66: new PrintStream(retval).printf(getPattern(), args);
67:
68: return retval.toString();
69: }
70: }
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