1/*
2 * Copyright (c) 1997, 2012, 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
26package com.sun.tools.internal.xjc.reader.xmlschema;
27
28import org.xml.sax.Locator;
29
30/**
31 * Details of a name collision.
32 *
33 * @author
34 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
35 */
36final class CollisionInfo {
37    private final String name;
38    private final Locator source1;
39    private final Locator source2;
40
41    public CollisionInfo(String name, Locator source1, Locator source2) {
42        this.name = name;
43        this.source1 = source1;
44        this.source2 = source2;
45    }
46
47    /**
48     * Returns a localized message that describes the collision.
49     */
50    public String toString() {
51        return Messages.format( Messages.MSG_COLLISION_INFO,
52                name, printLocator(source1), printLocator(source2) );
53    }
54
55    private String printLocator(Locator loc) {
56        if( loc==null )     return "";
57
58        int line = loc.getLineNumber();
59        String sysId = loc.getSystemId();
60        if(sysId==null)     sysId = Messages.format(Messages.MSG_UNKNOWN_FILE);
61
62        if( line!=-1 )
63            return Messages.format( Messages.MSG_LINE_X_OF_Y,
64                    Integer.toString(line), sysId );
65        else
66            return sysId;
67    }
68}
69