Line | Hits | Source |
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1 | /* | |
2 | * Copyright (c) 2003, the JUNG Project and the Regents of the University | |
3 | * of California | |
4 | * All rights reserved. | |
5 | * | |
6 | * This software is open-source under the BSD license; see either | |
7 | * "license.txt" or | |
8 | * http://jung.sourceforge.net/license.txt for a description. | |
9 | */ | |
10 | /* | |
11 | * Created on Apr 13, 2004 | |
12 | */ | |
13 | package edu.uci.ics.jung.graph.decorators; | |
14 | ||
15 | import java.util.Set; | |
16 | ||
17 | import edu.uci.ics.jung.graph.ArchetypeVertex; | |
18 | import edu.uci.ics.jung.graph.Graph; | |
19 | import edu.uci.ics.jung.graph.Vertex; | |
20 | import edu.uci.ics.jung.utils.UserData; | |
21 | ||
22 | /** | |
23 | * Labels vertices by their toString. This class functions as a drop-in | |
24 | * replacement for the default StringLabeller method. This class does not | |
25 | * guarantee unique labels; or even consistent ones; as a result, | |
26 | * getVertexByLabel will always return NULL. | |
27 | * | |
28 | * @author danyelf | |
29 | */ | |
30 | public class ToStringLabeller extends StringLabeller { | |
31 | ||
32 | /** | |
33 | * This method is not meaningful; it throws an IllegalArgumentException | |
34 | */ | |
35 | public void assignDefaultLabels(Set vertices, int offset) | |
36 | { | |
37 | 1 | throw new IllegalArgumentException(); |
38 | } | |
39 | /** | |
40 | * This method is not meaningful; it throws an IllegalArgumentException | |
41 | */ | |
42 | public Vertex removeLabel(String string) { | |
43 | 1 | throw new IllegalArgumentException(); |
44 | } | |
45 | /** | |
46 | * @param g | |
47 | */ | |
48 | protected ToStringLabeller(Graph g) { | |
49 | 1 | super(g); |
50 | 1 | labelToVertex = null; |
51 | 1 | vertexToLabel = null; |
52 | // TODO Auto-generated constructor stub for ToStringLabeller | |
53 | 1 | } |
54 | ||
55 | /** | |
56 | * Sets the StringLabeller of this graph, at this key, to be a | |
57 | * ToStringLabeller. | |
58 | */ | |
59 | public static StringLabeller setLabellerTo(Graph g, Object key) { | |
60 | 1 | StringLabeller sl = new ToStringLabeller(g); |
61 | 1 | if (key != null) g.addUserDatum(key, sl, UserData.REMOVE); |
62 | 1 | return sl; |
63 | } | |
64 | ||
65 | /** | |
66 | * Sets the default StringLabeller of this graph to be a ToStringLabeller. | |
67 | */ | |
68 | public static StringLabeller setLabellerTo(Graph g) { | |
69 | 1 | return setLabellerTo(g, StringLabeller.DEFAULT_STRING_LABELER_KEY); |
70 | } | |
71 | ||
72 | /** | |
73 | * Retunrs v.toString() | |
74 | */ | |
75 | public String getLabel(ArchetypeVertex v) { | |
76 | 20 | return v.toString(); |
77 | } | |
78 | ||
79 | /** | |
80 | * Always returns null: this impl doesn't keep a table, and so can't | |
81 | * meaningfully address this. | |
82 | */ | |
83 | public Vertex getVertex(String label) { | |
84 | 10 | return null; |
85 | } | |
86 | ||
87 | /** | |
88 | * This method always throws an IllegalArgument exception: you cannot | |
89 | * externally set the setstring method. | |
90 | */ | |
91 | public void setLabel(Vertex v, String l) throws UniqueLabelException { | |
92 | 1 | throw new IllegalArgumentException( |
93 | "Can't manually set labels on a ToString labeller"); | |
94 | } | |
95 | } |
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |