PackageStmt


1   package net.sourceforge.importscrubber;
2   
3   /**
4    * Encapsulates operations on a class' package statement.
5    */
6   public class PackageStmt
7   {
8       public static final String   MARKER = "package ";
9   
10      private final String   _stmt;
11      private final boolean _isInDefaultPackage;
12      private final String   _myPkg;
13  
14      /**
15       * Creates a new PackageStatement that's not in the default package.
16       * 
17       * @param stmt
18       */
19      public PackageStmt(String   stmt)
20      {
21          this(stmt, false);
22      }
23  
24      /**
25       * Creates a new PackageStatement that's in the default package.
26       */
27      public PackageStmt()
28      {
29          this(null, true);
30      }
31  
32      private PackageStmt(String   stmt, boolean inDefaultPackage)
33      {
34          _stmt = stmt;
35          _isInDefaultPackage = inDefaultPackage;
36          if (!_isInDefaultPackage) {
37              int firstSpace = _stmt.indexOf(" ") + 1;
38              int semiColon = _stmt.indexOf(";");
39              _myPkg = _stmt.substring(firstSpace, semiColon);
40          } else {
41              _myPkg = null;
42          }
43      }
44  
45      public String   getPkg()
46      {
47          return _myPkg;
48      }
49  
50      public boolean isInSamePackageAs(ImportStatement importStmt)
51      {
52          if (_isInDefaultPackage) {
53              return false; // default-package imports have already been removed
54          }
55          return importStmt.getPackage().compareTo(_myPkg) == 0;
56      }
57  
58      public StringBuffer   getOutput()
59      {
60          StringBuffer   buffer = new StringBuffer  (64);
61          if (_isInDefaultPackage) {
62              return buffer;
63          }
64          buffer.append(_stmt);
65          buffer.append(ImportScrubber.LINE_SEPARATOR);
66          buffer.append(ImportScrubber.LINE_SEPARATOR);
67          return buffer;
68      }
69  }
70  
71  
72
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