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Java > Open Source Codes > com > puppycrawl > tools > checkstyle > checks > indentation > ImportHandler


1 ////////////////////////////////////////////////////////////////////////////////
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// checkstyle: Checks Java source code for adherence to a set of rules.
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// Copyright (C) 2001-2005 Oliver Burn
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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////////////////////////////////////////////////////////////////////////////////
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package com.puppycrawl.tools.checkstyle.checks.indentation;
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21 import com.puppycrawl.tools.checkstyle.api.DetailAST;
22 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
23
24 /**
25  * Handler for import statements.
26  *
27  * @author jrichard
28  */

29 public class ImportHandler extends ExpressionHandler
30 {
31     /**
32      * Construct an instance of this handler with the given indentation check,
33      * abstract syntax tree, and parent handler.
34      *
35      * @param aIndentCheck the indentation check
36      * @param aAst the abstract syntax tree
37      * @param aParent the parent handler
38      */

39     public ImportHandler(IndentationCheck aIndentCheck,
40         DetailAST aAst, ExpressionHandler aParent)
41     {
42         super(aIndentCheck, "import", aAst, aParent);
43     }
44
45     /**
46      * Check the indentation of the expression we are handling.
47      */

48     public void checkIndentation()
49     {
50         final int lineStart = getMainAst().getLineNo();
51         final DetailAST semi = getMainAst().findFirstToken(TokenTypes.SEMI);
52         final int lineEnd = semi.getLineNo();
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54         if (getMainAst().getLineNo() != lineEnd) {
55             checkLinesIndent(lineStart, lineEnd, getLevel());
56         }
57     }
58 }
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