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18 package org.wings.externalizer;
19
20 import org.wings.io.Device;
21
22 import java.io.Reader  ;
23 import java.io.StringReader ;
24 import java.util.Collection ;
25
26 public class TextExternalizer implements Externalizer {
27
28 private static final Class [] SUPPORTED_CLASSES = {String .class};
29
30 protected String extension;
31 protected String mimeType;
32 protected final String [] supportedMimeTypes = new String [1];
33
34
35 public TextExternalizer(String mimeType, String extension) {
36 this.mimeType = mimeType;
37 this.extension = extension;
38
39 supportedMimeTypes[0] = mimeType;
40 }
41
42 public TextExternalizer(String mimeType) {
43 this(mimeType, "txt");
44 }
45
46 public TextExternalizer() {
47 this("text/plain", "txt");
48 }
49
50 public void setExtension(String extension) {
51 this.extension = extension;
52 }
53
54 public String getExtension(Object obj) {
55 return extension;
56 }
57
58 public void setMimeType(String mimeType) {
59 this.mimeType = mimeType;
60 }
61
62 public String getMimeType(Object obj) {
63 return mimeType;
64 }
65
66 public boolean isFinal(Object obj) {
67 return true;
68 }
69
70 public int getLength(Object obj) {
71 return -1;
72 }
73
74 public void write(Object obj, Device out)
75 throws java.io.IOException {
76 Reader reader = new StringReader ((String ) obj);
77 char[] buffer = new char[2048];
78 int num;
79 while ((num = reader.read(buffer)) > 0) {
80 out.print(buffer, 0, num);
81 }
82 reader.close();
83 }
84
85 public Class [] getSupportedClasses() {
86 return SUPPORTED_CLASSES;
87 }
88
89 public String [] getSupportedMimeTypes() {
90 return supportedMimeTypes;
91 }
92
93 public Collection getHeaders(Object obj) {
94 return null;
95 }
96 }
97
98
99 |
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