-
-
Notifications
You must be signed in to change notification settings - Fork 454
/
StrokeMap.java
219 lines (204 loc) · 6.73 KB
/
StrokeMap.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2020, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* --------------
* StrokeMap.java
* --------------
* (C) Copyright 2006-2016, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes:
* --------
* 27-Sep-2006 : Version 1 (DG);
* 02-Jul-2013 : Use ParamChecks (DG);
*
*/
package org.jfree.chart;
import java.awt.Stroke;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import org.jfree.chart.util.ObjectUtils;
import org.jfree.chart.util.Args;
import org.jfree.chart.util.SerialUtils;
/**
* A storage structure that maps {@code Comparable} instances with
* {@code Stroke} instances.
* <br><br>
* To support cloning and serialization, you should only use keys that are
* cloneable and serializable. Special handling for the {@code Stroke}
* instances is included in this class.
*
* @since 1.0.3
*/
public class StrokeMap implements Cloneable, Serializable {
/** For serialization. */
static final long serialVersionUID = -8148916785963525169L;
/** Storage for the keys and values. */
private transient Map store;
/**
* Creates a new (empty) map.
*/
public StrokeMap() {
this.store = new TreeMap();
}
/**
* Returns the stroke associated with the specified key, or
* {@code null}.
*
* @param key the key ({@code null} not permitted).
*
* @return The stroke, or {@code null}.
*
* @throws IllegalArgumentException if {@code key} is
* {@code null}.
*/
public Stroke getStroke(Comparable key) {
Args.nullNotPermitted(key, "key");
return (Stroke) this.store.get(key);
}
/**
* Returns {@code true} if the map contains the specified key, and
* {@code false} otherwise.
*
* @param key the key.
*
* @return {@code true} if the map contains the specified key, and
* {@code false} otherwise.
*/
public boolean containsKey(Comparable key) {
return this.store.containsKey(key);
}
/**
* Adds a mapping between the specified {@code key} and
* {@code stroke} values.
*
* @param key the key ({@code null} not permitted).
* @param stroke the stroke.
*/
public void put(Comparable key, Stroke stroke) {
Args.nullNotPermitted(key, "key");
this.store.put(key, stroke);
}
/**
* Resets the map to empty.
*/
public void clear() {
this.store.clear();
}
/**
* Tests this map for equality with an arbitrary object.
*
* @param obj the object ({@code null} permitted).
*
* @return A boolean.
*/
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof StrokeMap)) {
return false;
}
StrokeMap that = (StrokeMap) obj;
if (this.store.size() != that.store.size()) {
return false;
}
Set keys = this.store.keySet();
Iterator iterator = keys.iterator();
while (iterator.hasNext()) {
Comparable key = (Comparable) iterator.next();
Stroke s1 = getStroke(key);
Stroke s2 = that.getStroke(key);
if (!ObjectUtils.equal(s1, s2)) {
return false;
}
}
return true;
}
/**
* Returns a clone of this {@code StrokeMap}.
*
* @return A clone of this instance.
*
* @throws CloneNotSupportedException if any key is not cloneable.
*/
@Override
public Object clone() throws CloneNotSupportedException {
StrokeMap clone = (StrokeMap) super.clone();
clone.store = new TreeMap();
clone.store.putAll(this.store);
// TODO: I think we need to make sure the keys are actually cloned,
// whereas the stroke instances are always immutable so they're OK
return clone;
}
/**
* Provides serialization support.
*
* @param stream the output stream.
*
* @throws IOException if there is an I/O error.
*/
private void writeObject(ObjectOutputStream stream) throws IOException {
stream.defaultWriteObject();
stream.writeInt(this.store.size());
Set keys = this.store.keySet();
Iterator iterator = keys.iterator();
while (iterator.hasNext()) {
Comparable key = (Comparable) iterator.next();
stream.writeObject(key);
Stroke stroke = getStroke(key);
SerialUtils.writeStroke(stroke, stream);
}
}
/**
* Provides serialization support.
*
* @param stream the input stream.
*
* @throws IOException if there is an I/O error.
* @throws ClassNotFoundException if there is a classpath problem.
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
this.store = new TreeMap();
int keyCount = stream.readInt();
for (int i = 0; i < keyCount; i++) {
Comparable key = (Comparable) stream.readObject();
Stroke stroke = SerialUtils.readStroke(stream);
this.store.put(key, stroke);
}
}
}