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1
22
23 package gnu.mail.providers.nntp;
24
25 import java.io.IOException  ;
26 import java.io.InputStream ;
27 import java.util.Enumeration ;
28
29 import javax.mail.FetchProfile ;
30 import javax.mail.Flags ;
31 import javax.mail.MessagingException ;
32 import javax.mail.internet.InternetHeaders ;
33 import javax.mail.internet.MimeMessage ;
34
35
41 public final class NNTPMessage
42 extends MimeMessage
43 {
44
45 String messageId;
46
47 NNTPMessage(NNTPFolder folder,
48 int msgnum,
49 String messageId)
50 {
51 super(folder, msgnum);
52 this.messageId = messageId;
53 headers = null;
54 flags = folder.getPermanentFlags();
56 if (folder.isSeen(msgnum))
57 flags.add(Flags.Flag.SEEN);
58 }
59
60 public String getMessageId()
61 {
62 return messageId;
63 }
64
65 void requestHeaders()
66 throws MessagingException
67 {
68 FetchProfile fp = new FetchProfile ();
69 fp.add(FetchProfile.Item.ENVELOPE);
70 NNTPMessage[] messages = new NNTPMessage[1];
71 messages[0] = this;
72 folder.fetch(messages, fp);
73 }
74
75
78 void updateHeaders(InputStream in)
79 throws MessagingException , IOException
80 {
81 headers = new InternetHeaders (in);
82 }
83
84 void requestContent()
85 throws MessagingException
86 {
87 FetchProfile fp = new FetchProfile ();
88 fp.add(FetchProfile.Item.CONTENT_INFO);
89 NNTPMessage[] messages = new NNTPMessage[1];
90 messages[0] = this;
91 folder.fetch(messages, fp);
92 }
93
94
97 void updateContent(byte[] content)
98 {
99 this.content = content;
100 }
101
102
104 public String [] getHeader(String name)
105 throws MessagingException
106 {
107 if (headers==null)
108 requestHeaders();
109 return super.getHeader(name);
110 }
111
112 public String getHeader(String name, String delimiter)
113 throws MessagingException
114 {
115 if (headers==null)
116 requestHeaders();
117 return super.getHeader(name, delimiter);
118 }
119
120 public Enumeration getAllHeaders()
121 throws MessagingException
122 {
123 if (headers==null)
124 requestHeaders();
125 return super.getAllHeaders();
126 }
127
128 public Enumeration getMatchingHeaders(String [] names)
129 throws MessagingException
130 {
131 if (headers==null)
132 requestHeaders();
133 return super.getMatchingHeaders(names);
134 }
135
136 public Enumeration getNonMatchingHeaders(String [] names)
137 throws MessagingException
138 {
139 if (headers==null)
140 requestHeaders();
141 return super.getNonMatchingHeaders(names);
142 }
143
144 public Enumeration getAllHeaderLines()
145 throws MessagingException
146 {
147 if (headers==null)
148 requestHeaders();
149 return super.getAllHeaderLines();
150 }
151
152 public Enumeration getMatchingHeaderLines(String [] names)
153 throws MessagingException
154 {
155 if (headers==null)
156 requestHeaders();
157 return super.getMatchingHeaderLines(names);
158 }
159
160 public Enumeration getNonMatchingHeaderLines(String [] names)
161 throws MessagingException
162 {
163 if (headers==null)
164 requestHeaders();
165 return super.getNonMatchingHeaderLines(names);
166 }
167
168
169
171
173 public int getSize()
174 throws MessagingException
175 {
176 if (content==null)
177 requestContent();
178 return super.getSize();
179 }
180
181 public int getLineCount()
182 throws MessagingException
183 {
184 String value = getHeader("Lines", ",");
185 if (value!=null)
186 {
187 try
188 {
189 return Integer.parseInt(value.trim());
190 }
191 catch (NumberFormatException e)
192 {
193 }
194 }
195 return -1;
196 }
197
198 public InputStream getContentStream()
199 throws MessagingException
200 {
201 if (content==null)
202 requestContent();
203 return super.getContentStream();
204 }
205
206
208 public void saveChanges()
209 throws MessagingException
210 {
211 if (headers==null)
212 requestHeaders();
213 if (content==null)
214 requestContent();
215 }
216
217
219 public void setFlags(Flags flag, boolean set)
220 throws MessagingException
221 {
222 if (flag.contains(Flags.Flag.SEEN))
223 ((NNTPFolder)folder).setSeen(msgnum, set);
224 super.setFlags(flag, set);
225 }
226
227 }
228 |
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