1 /*

     2  * Copyright (c) 2004, 2005, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package com.sun.tools.apt.mirror.util;

    27 

    28 

    29 import java.io.File;

    30 import javax.tools.JavaFileObject;

    31 

    32 import com.sun.mirror.util.SourcePosition;

    33 import com.sun.tools.javac.util.Position;

    34 

    35 

    36 /**

    37  * Implementation of SourcePosition

    38  */

    39 @SuppressWarnings("deprecation")

    40 public class SourcePositionImpl implements SourcePosition {

    41 

    42     private JavaFileObject sourcefile;

    43     private int pos;            // file position, in javac's internal format

    44     private Position.LineMap linemap;

    45 

    46 

    47     public SourcePositionImpl(JavaFileObject sourcefile, int pos, Position.LineMap linemap) {

    48         this.sourcefile = sourcefile;

    49         this.pos = pos;

    50         this.linemap = linemap;

    51         assert sourcefile != null;

    52         assert linemap != null;

    53     }

    54 

    55     public int getJavacPosition() {

    56         return pos;

    57     }

    58 

    59     public JavaFileObject getSource() {

    60         return sourcefile;

    61     }

    62 

    63     /**

    64      * Returns a string representation of this position in the

    65      * form "sourcefile:line", or "sourcefile" if no line number is available.

    66      */

    67     public String toString() {

    68         int ln = line();

    69         return (ln == Position.NOPOS)

    70                 ? sourcefile.getName()

    71                 : sourcefile.getName() + ":" + ln;

    72     }

    73 

    74     /**

    75      * {@inheritDoc}

    76      */

    77     public File file() {

    78         return new File(sourcefile.toUri());

    79     }

    80 

    81     /**

    82      * {@inheritDoc}

    83      */

    84     public int line() {

    85         return linemap.getLineNumber(pos);

    86     }

    87 

    88     /**

    89      * {@inheritDoc}

    90      */

    91     public int column() {

    92         return linemap.getColumnNumber(pos);

    93     }

    94 }