StringBuffer sb = new StringBuffer(s.length()); StringReader sr = new StringReader(s); BufferedReader br = new BufferedReader(sr); String ss = null; try { while ((ss = br.readLine()) != null) { int i = 0; while (i < ss.length()) { switch (ss.charAt(i)) { case '<': sb.append("<"); i++; break; case '>': sb.append(">"); i++; break; case '&': sb.append("&"); i++; break; case '"': sb.append("""); i++; break; case ' ': //sb.append(" "); if (ss.substring(i).startsWith(" ")) { sb.append("  "); i = i + 2; } else if (ss.substring(i).startsWith(" ")) { sb.append("   "); i = i + 3; } else if (ss.substring(i).startsWith(" ")) { sb.append("  "); i = i + 2; } else { sb.append(' '); i++; } break; case '\t': sb.append("    "); i++; break; case '\n': sb.append("<br>"); i++; break; default: sb.append(ss.charAt(i)); i++; break; } } sb.append("<br>\n"); } } catch (Exception e) { LOG.severe("Error substituting special characters: " + e.getMessage()); return null; // error } return sb.toString();
StringBuffer sb = new StringBuffer(s.length()); StringReader sr = new StringReader(s); BufferedReader br = new BufferedReader(sr); String ss = null; // TODO (@author karlpeder): Extend handling of special entities as in restoreSpecialCharacters /* * *20030623, karlpeder* " and space handled also */ try { while ((ss = br.readLine()) != null) { int i = 0; while (i < ss.length()) { switch (ss.charAt(i)) { case '<': sb.append("<"); i++; break; case '>': sb.append(">"); i++; break; case '&': sb.append("&"); i++; break; case '"': sb.append("""); i++; break; /* case '\'': sb.append("'"); i++; break;*/ case ' ': if (ss.substring(i).startsWith(" ")) { sb.append("  "); i = i + 2; } else if (ss.substring(i).startsWith(" ")) { sb.append("   "); i = i + 3; } else if (ss.substring(i).startsWith(" ")) { sb.append("  "); i = i + 2; } else { sb.append(' '); i++; } break; case '\t': sb.append("    "); i++; break; case '\n': sb.append("<br>"); i++; break; default: sb.append(ss.charAt(i)); i++; break; } } } } catch (Exception e) { LOG.severe("Error substituting special characters: " + e.getMessage()); return null; // error } return sb.toString();
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/parser/text/HtmlParser.java File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/parser/text/HtmlParser.java
Method name: String substituteSpecialCharacters(String) Method name: String substituteSpecialCharactersInHeaderfields(String)
Number of AST nodes: 52 Number of AST nodes: 51
1
StringBuffer sb = new StringBuffer(s.length());
1
StringBuffer sb = new StringBuffer(s.length());
2
        StringReader sr = new StringReader(s);
2
        StringReader sr = new StringReader(s);
3
        BufferedReader br = new BufferedReader(sr);
3
        BufferedReader br = new BufferedReader(sr);
4
        String ss = null;
4
        String ss = null;
5
        // TODO (@author karlpeder): Extend handling of special entities as in restoreSpecialCharacters
6
        /*
7
 * *20030623, karlpeder* " and space handled also
8
 */
5
        try {
9
        try {
6
            while ((ss = br.readLine()) != null) {
10
            while ((ss = br.readLine()) != null) {
7
                int i = 0;
11
                int i = 0;
8
                while (i < ss.length()) {
12
                while (i < ss.length()) {
9
                    switch (ss.charAt(i)) {
13
                    switch (ss.charAt(i)) {
10
                    case '<':
14
                    case '<':
11
                        sb.append("<");
15
                        sb.append("<");
12
                        i++;
16
                        i++;
13
                        break;
17
                        break;
14
                    case '>':
18
                    case '>':
15
                        sb.append(">");
19
                        sb.append(">");
16
                        i++;
20
                        i++;
17
                        break;
21
                        break;
18
                    case '&':
22
                    case '&':
19
                        sb.append("&");
23
                        sb.append("&");
20
                        i++;
24
                        i++;
21
                        break;
25
                        break;
22
                    case '"':
26
                    case '"':
23
                        sb.append(""");
27
                        sb.append(""");
24
                        i++;
28
                        i++;
25
                        break;
29
                        break;
30
                        /*
26
                    case ' ':
31
                    case '\'':
27
                        //sb.append("&nbsp;");
32
                        sb.append("&apos;");
33
                        i++;
34
                        break;*/
35
                    case ' ':
28
                        if (ss.substring(i).startsWith("    ")) {
36
                        if (ss.substring(i).startsWith("    ")) {
29
                            sb.append("  ");
37
                            sb.append("  ");
30
                            i = i + 2;
38
                            i = i + 2;
31
                        } else if (ss.substring(i).startsWith("   ")) {
39
                        } else if (ss.substring(i).startsWith("   ")) {
32
                            sb.append("   ");
40
                            sb.append("   ");
33
                            i = i + 3;
41
                            i = i + 3;
34
                        } else if (ss.substring(i).startsWith("  ")) {
42
                        } else if (ss.substring(i).startsWith("  ")) {
35
                            sb.append("  ");
43
                            sb.append("  ");
36
                            i = i + 2;
44
                            i = i + 2;
37
                        } else {
45
                        } else {
38
                            sb.append(' ');
46
                            sb.append(' ');
39
                            i++;
47
                            i++;
40
                        }
48
                        }
41
                        break;
49
                        break;
42
                    case '\t':
50
                    case '\t':
43
                        sb.append("    ");
51
                        sb.append("    ");
44
                        i++;
52
                        i++;
45
                        break;
53
                        break;
46
                    case '\n':
54
                    case '\n':
47
                        sb.append("<br>");
55
                        sb.append("<br>");
48
                        i++;
56
                        i++;
49
                        break;
57
                        break;
50
                    default:
58
                    default:
51
                   		sb.append(ss.charAt(i));
59
                        sb.append(ss.charAt(i));
52
                        i++;
60
                        i++;
53
                        break;
61
                        break;
54
                    }
62
                    }
55
                }
63
                }
56
                sb.append("<br>\n");
57
            }
64
            }
58
        } catch (Exception e) {
65
        } catch (Exception e) {
59
            LOG.severe("Error substituting special characters: "
66
            LOG.severe("Error substituting special characters: "
60
                    + e.getMessage());
67
                    + e.getMessage());
61
            return null; // error
68
            return null; // error
62
        }
69
        }
63
        return sb.toString();
70
        return sb.toString();
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)50.8
Clones locationClones are declared in the same class
Number of node comparisons614
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements51
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)3246.6
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    StringBuffer sb = new StringBuffer(s.length());
    1
    StringBuffer sb = new StringBuffer(s.length());
    2
    StringReader sr = new StringReader(s);
    2
    StringReader sr = new StringReader(s);
    3
    BufferedReader br = new BufferedReader(sr);
    3
    BufferedReader br = new BufferedReader(sr);
    4
    String ss = null;
    4
    String ss = null;
    5
    try
    5
    try
    6
    while ((ss = br.readLine()) != null)
    6
    while ((ss = br.readLine()) != null)
    7
    int i = 0;
    7
    int i = 0;
    8
    while (i < ss.length())
    8
    while (i < ss.length())
    9
    switch (ss.charAt(i))
    9
    switch (ss.charAt(i))
    10
    case '<':
    10
    case '<':
    11
    sb.append("<");
    11
    sb.append("<");
    12
    i++;
    12
    i++;
    13
    break;
    13
    break;
    14
    case '>':
    14
    case '>':
    15
    sb.append(">");
    15
    sb.append(">");
    16
    i++;
    16
    i++;
    17
    break;
    17
    break;
    18
    case '&':
    18
    case '&':
    19
    sb.append("&");
    19
    sb.append("&");
    20
    i++;
    20
    i++;
    21
    break;
    21
    break;
    22
    case '"':
    22
    case '"':
    23
    sb.append(""");
    23
    sb.append(""");
    24
    i++;
    24
    i++;
    25
    break;
    25
    break;
    26
    case ' ':
    26
    case ' ':
    27
    if (ss.substring(i).startsWith(" "))
    27
    if (ss.substring(i).startsWith(" "))
    28
    sb.append("  ");
    28
    sb.append("  ");
    29
    i = i + 2;
    29
    i = i + 2;
    30
    else if (ss.substring(i).startsWith(" "))
    30
    else if (ss.substring(i).startsWith(" "))
    31
    sb.append("   ");
    31
    sb.append("   ");
    32
    i = i + 3;
    32
    i = i + 3;
    33
    else if (ss.substring(i).startsWith(" "))
    33
    else if (ss.substring(i).startsWith(" "))
    34
    sb.append("  ");
    34
    sb.append("  ");
    35
    i = i + 2;
    35
    i = i + 2;
    else
    else
    36
    sb.append(' ');
    36
    sb.append(' ');
    37
    i++;
    37
    i++;
    38
    break;
    38
    break;
    39
    case '\t':
    39
    case '\t':
    40
    sb.append("    ");
    40
    sb.append("    ");
    41
    i++;
    41
    i++;
    42
    break;
    42
    break;
    43
    case '\n':
    43
    case '\n':
    44
    sb.append("<br>");
    44
    sb.append("<br>");
    45
    i++;
    45
    i++;
    46
    break;
    46
    break;
    47
    default:
    47
    default:
    48
    sb.append(ss.charAt(i));
    48
    sb.append(ss.charAt(i));
    49
    i++;
    49
    i++;
    50
    break;
    50
    break;
    51
    sb.append("<br>\n");
    51
    sb.append("<br>\n");
    Preondition Violations
    Unmatched statement sb.append("<br>\n"); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                    
    52
    return sb.toString();
    51
    return sb.toString();
    Precondition Violations (2)
    Row Violation
    1Unmatched statement sb.append("<br>\n"); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Clone fragment #1 returns variables sb , while Clone fragment #2 returns variables