01: /***
02: * Retrotranslator: a Java bytecode transformer that translates Java classes
03: * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
04: *
05: * Copyright (c) 2005 - 2008 Taras Puchko
06: * All rights reserved.
07: *
08: * Redistribution and use in source and binary forms, with or without
09: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the copyright holders nor the names of its
17: * contributors may be used to endorse or promote products derived from
18: * this software without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30: * THE POSSIBILITY OF SUCH DAMAGE.
31: */package net.sf.retrotranslator.runtime.format;
32:
33: import java.math.BigInteger;
34: import java.text.DecimalFormatSymbols;
35:
36: /**
37: * @author Taras Puchko
38: */
39: class DecimalIntegralConversion extends NumericConversion {
40:
41: public void format(FormatContext context) {
42: context.assertNoPrecision();
43: context.assertNoFlag('#');
44: context.checkWidth();
45: context.checkFlags();
46: Object argument = context.getArgument();
47: if (argument instanceof Byte) {
48: printf(context, (Byte) argument);
49: } else if (argument instanceof Short) {
50: printf(context, (Short) argument);
51: } else if (argument instanceof Integer) {
52: printf(context, (Integer) argument);
53: } else if (argument instanceof Long) {
54: printf(context, (Long) argument);
55: } else if (argument instanceof BigInteger) {
56: printf(context, (BigInteger) argument);
57: } else if (argument == null) {
58: context.writePadded(String.valueOf(argument));
59: } else {
60: throw context.getConversionException();
61: }
62: }
63:
64: private void printf(FormatContext context, long argument) {
65: printf(context, BigInteger.valueOf(argument));
66: }
67:
68: private void printf(FormatContext context, BigInteger argument) {
69: DecimalFormatSymbols symbols = context.getSymbols(true);
70: StringBuilder builder = new StringBuilder();
71: appendNumber(builder, argument.abs().toString(), context
72: .isFlag(','), symbols);
73: printNumber(context, argument.signum() < 0, null, builder,
74: symbols);
75: }
76:
77: }
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