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19  
20  package org.apache.james.mime4j.parser;
21  
22  import java.io.ByteArrayInputStream;
23  import java.io.IOException;
24  import java.io.InputStream;
25  import java.io.Reader;
26  
27  import org.apache.commons.io.IOUtils;
28  import org.apache.james.mime4j.ExampleMail;
29  import org.apache.james.mime4j.MimeException;
30  import org.apache.james.mime4j.parser.MimeTokenStream;
31  
32  import junit.framework.TestCase;
33  
34  public class MimeTokenStreamReaderTest extends TestCase {
35      
36      MimeTokenStream parser;
37      
38      @Override
39      protected void setUp() throws Exception {
40          super.setUp();
41          parser = new MimeTokenStream();
42      }
43  
44      @Override
45      protected void tearDown() throws Exception {
46          super.tearDown();
47      }
48  
49      public void testShouldReadSimpleBody() throws Exception {
50          byte[] bytes = ExampleMail.RFC822_SIMPLE_BYTES;
51          String body = ExampleMail.RFC822_SIMPLE_BODY;
52          checkSimpleMail(bytes, body, 4);
53      }
54  
55      public void testShouldReadOnePartMimeASCIIBody() throws Exception {
56          byte[] bytes = ExampleMail.ONE_PART_MIME_ASCII_BYTES;
57          String body = ExampleMail.ONE_PART_MIME_ASCII_BODY;
58          checkSimpleMail(bytes, body, 11);
59      }
60  
61      public void testShouldReadOnePartMime8859Body() throws Exception {
62          byte[] bytes = ExampleMail.ONE_PART_MIME_8859_BYTES;
63          String body = ExampleMail.ONE_PART_MIME_8859_BODY;
64          checkSimpleMail(bytes, body, 13);
65      }
66      
67      public void testShouldReadOnePartMimeBase64ASCIIBody() throws Exception {
68          byte[] bytes = ExampleMail.ONE_PART_MIME_BASE64_ASCII_BYTES;
69          String body = ExampleMail.ONE_PART_MIME_BASE64_ASCII_BODY;
70          checkSimpleMail(bytes, body, 11);
71      }
72      
73      public void testShouldReadOnePartMimeBase64Latin1Body() throws Exception {
74          byte[] bytes = ExampleMail.ONE_PART_MIME_BASE64_LATIN1_BYTES;
75          String body = ExampleMail.ONE_PART_MIME_BASE64_LATIN1_BODY;
76          checkSimpleMail(bytes, body, 11);
77      }
78      
79      public void testShouldReadOnePartMimeQuotedPrintable() throws Exception {
80          byte[] bytes = ExampleMail.ONE_PART_MIME_QUOTED_PRINTABLE_ASCII_BYTES;
81          String body = ExampleMail.ONE_PART_MIME_QUOTED_PRINTABLE_ASCII_BODY;
82          checkSimpleMail(bytes, body, 11);
83      }
84      
85      public void testShouldReadPartBodies() throws IOException, MimeException {
86          InputStream in = new ByteArrayInputStream(ExampleMail.MIME_MIXED_MULTIPART_VARIOUS_ENCODINGS_BYTES);
87          parser.parse(in);
88          assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_START_HEADER),MimeTokenStream.stateToString(parser.next()));
89          for (int i=0;i<5;i++) {
90              assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_FIELD),MimeTokenStream.stateToString(parser.next()));
91          }
92          assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_END_HEADER),MimeTokenStream.stateToString(parser.next()));
93          assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_START_MULTIPART),MimeTokenStream.stateToString(parser.next()));
94          assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_PREAMBLE),MimeTokenStream.stateToString(parser.next()));
95          assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_START_BODYPART),MimeTokenStream.stateToString(parser.next()));
96          assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_START_HEADER),MimeTokenStream.stateToString(parser.next()));
97          assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_FIELD),MimeTokenStream.stateToString(parser.next()));
98          assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_FIELD),MimeTokenStream.stateToString(parser.next()));
99          assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_END_HEADER),MimeTokenStream.stateToString(parser.next()));
100         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_BODY),MimeTokenStream.stateToString(parser.next()));
101         checkBody(ExampleMail.MIME_MIXED_MULTIPART_VARIOUS_ENCODINGS_7BIT);
102         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_END_BODYPART),MimeTokenStream.stateToString(parser.next()));
103         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_START_BODYPART),MimeTokenStream.stateToString(parser.next()));
104         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_START_HEADER),MimeTokenStream.stateToString(parser.next()));
105         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_FIELD),MimeTokenStream.stateToString(parser.next()));
106         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_FIELD),MimeTokenStream.stateToString(parser.next()));
107         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_END_HEADER),MimeTokenStream.stateToString(parser.next()));
108         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_BODY),MimeTokenStream.stateToString(parser.next()));
109         checkBody(ExampleMail.MIME_MIXED_MULTIPART_VARIOUS_ENCODINGS_QUOTED_PRINTABLE);
110         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_END_BODYPART),MimeTokenStream.stateToString(parser.next()));
111         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_START_BODYPART),MimeTokenStream.stateToString(parser.next()));
112         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_START_HEADER),MimeTokenStream.stateToString(parser.next()));
113         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_FIELD),MimeTokenStream.stateToString(parser.next()));
114         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_FIELD),MimeTokenStream.stateToString(parser.next()));
115         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_END_HEADER),MimeTokenStream.stateToString(parser.next()));
116         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_BODY),MimeTokenStream.stateToString(parser.next()));
117         checkBody(ExampleMail.MIME_MIXED_MULTIPART_VARIOUS_ENCODINGS_BASE64);
118         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_END_BODYPART),MimeTokenStream.stateToString(parser.next()));
119 
120         
121     }
122     
123     private void checkSimpleMail(byte[] bytes, String body, int fields) throws IOException, MimeException {
124         InputStream in = new ByteArrayInputStream(bytes);
125         parser.parse(in);
126         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_START_HEADER),MimeTokenStream.stateToString(parser.next()));
127         for (int i=0;i<fields;i++) {
128             assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_FIELD),MimeTokenStream.stateToString(parser.next()));
129         }
130         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_END_HEADER),MimeTokenStream.stateToString(parser.next()));
131         assertEquals(MimeTokenStream.stateToString(MimeTokenStream.T_BODY),MimeTokenStream.stateToString(parser.next()));
132         checkBody(body);
133     }
134 
135     private void checkBody(String body) throws IOException {
136         Reader reader = parser.getReader();
137         assertNotNull(reader);
138         assertEquals(body, IOUtils.toString(reader));
139     }
140 }