inputStream和String,Byte之间的转换
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1.import java.io.ByteArrayInputStream;
2.import java.io.ByteArrayOutputStream;
3.import java.io.IOException;
4.import java.io.InputStream;
5.
6./**
7. *
8. * @author Andy.Chen
9. * @mail Chenjunjun.ZJ@
10. *
11. */
12.public class InputStreamUtils {
13.
14. final static int BUFFER_SIZE = 4096;
15.
16. /**
17. * 将InputStream转换成String
18. * @param in InputStream
19. * @return String
20. * @throws Exception
21. *
22. */
23. public static String InputStreamTOString(InputStream in) throws Ex
ception{
24.
25. ByteArrayOutputStream outStream = new ByteArrayOutputStream();
26. byte[] data = new byte[BUFFER_SIZE];
27. int count = -1;
28. while((count = in.read(data,0,BUFFER_SIZE)) != -1)
29. outStream.write(data, 0, count);
30.
31.data = null;
32. return new String(outStream.toByteArray(),"ISO-8859-1");
33. }
34.
35. /**
36. * 将InputStream转换成某种字符编码的String
37. * @param in
38. * @param encoding
39. * @return
40. * @throws Exception
41. */
42. public static String InputStreamTOString(InputStream in,Strin
g encoding) throws Exception{
43.
44. ByteArrayOutputStream outStream = new ByteArrayOutputStream();
45. byte[] data = new byte[BUFFER_SIZE];
46. int count = -1;
47. while((count = in.read(data,0,BUFFER_SIZE)) != -1)
48. outStream.write(data, 0, count);
49.
50.data = null;
51. return new String(outStream.toByteArray(),"ISO-8859-1");
52. }
53.
54. /**
55. * 将String转换成InputStream
56. * @param in
57. * @return
58. * @throws Exception
59. */
60. public static InputStream StringTOInputStream(String in) throws Ex
ception{
61.
62. ByteArrayInputStream is = new ByteArrayInputStream(in.getBytes
("ISO-8859-1"));
63. return is;
64. }
65.
66. /**
67. * 将InputStream转换成byte数组
68. * @param in InputStream
69. * @return byte[]
70. * @throws IOException
71. */
72. public static byte[] InputStreamTOByte(InputStream in) throws IOEx
ception{
73.
74. ByteArrayOutputStream outStream = new ByteArrayOutputStream();
75. byte[] data = new byte[BUFFER_SIZE];
76. int count = -1;
77. while((count = in.read(data,0,BUFFER_SIZE)) != -1)
78. outStream.write(data, 0, count);
79.
80.data = null;
81. return outStream.toByteArray();
82. }
83.
84. /**
85. * 将byte数组转换成InputStream
86. * @param in
87. * @return
88. * @throws Exception
89. */
90. public static InputStream byteTOInputStream(byte[] in) throws Exce
ption{
91.
92. ByteArrayInputStream is = new ByteArrayInputStream(in);
93. return is;
94. }
95.
96. /**
97. * 将byte数组转换成String
98. * @param in
99. * @return
100. * @throws Exception
101. */
102. public static String byteTOString(byte[] in) throws Exception{ 103.
104. InputStream is = byteTOInputStream(in);
105. return InputStreamTOString(is);
106. }
107.
108.}