Skip to content

Commit 414a955

Browse files
JamesZBLJamesZBL
committed
完成 命令模式 Sample
1 parent c0d88b7 commit 414a955

File tree

9 files changed

+488
-0
lines changed

9 files changed

+488
-0
lines changed

‎command/src/main/java/me/zbl/command/AbstractFont.java‎

Lines changed: 64 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,64 @@
1+
/**
2+
* MIT License
3+
* <p>
4+
* Copyright (c) 2017 James
5+
* <p>
6+
* Permission is hereby granted, free of charge, to any person obtaining a copy
7+
* of this software and associated documentation files (the "Software"), to deal
8+
* in the Software without restriction, including without limitation the rights
9+
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10+
* copies of the Software, and to permit persons to whom the Software is
11+
* furnished to do so, subject to the following conditions:
12+
* <p>
13+
* The above copyright notice and this permission notice shall be included in all
14+
* copies or substantial portions of the Software.
15+
* <p>
16+
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17+
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18+
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19+
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20+
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21+
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22+
* SOFTWARE.
23+
*/
24+
package me.zbl.command;
25+
26+
import org.slf4j.Logger;
27+
import org.slf4j.LoggerFactory;
28+
29+
/**
30+
* 字体抽象类
31+
*/
32+
public abstract class AbstractFont {
33+
34+
private static final Logger LOGGER = LoggerFactory.getLogger(AbstractFont.class);
35+
36+
private Size size;
37+
private Color color;
38+
39+
public Size getSize() {
40+
return size;
41+
}
42+
43+
public void setSize(Size size) {
44+
this.size = size;
45+
}
46+
47+
public Color getColor() {
48+
return color;
49+
}
50+
51+
public void setColor(Color color) {
52+
this.color = color;
53+
}
54+
55+
@Override
56+
public abstract String toString();
57+
58+
/**
59+
* 打印当前状态
60+
*/
61+
public void printStatus() {
62+
LOGGER.info("字体当前状态为：\t字体大小：{}\t颜色：{}", getSize(), getColor());
63+
}
64+
}

‎command/src/main/java/me/zbl/command/Application.java‎

Lines changed: 69 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,69 @@
1+
/**
2+
* MIT License
3+
* <p>
4+
* Copyright (c) 2017 James
5+
* <p>
6+
* Permission is hereby granted, free of charge, to any person obtaining a copy
7+
* of this software and associated documentation files (the "Software"), to deal
8+
* in the Software without restriction, including without limitation the rights
9+
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10+
* copies of the Software, and to permit persons to whom the Software is
11+
* furnished to do so, subject to the following conditions:
12+
* <p>
13+
* The above copyright notice and this permission notice shall be included in all
14+
* copies or substantial portions of the Software.
15+
* <p>
16+
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17+
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18+
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19+
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20+
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21+
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22+
* SOFTWARE.
23+
*/
24+
package me.zbl.command;
25+
26+
/**
27+
* Command
28+
*/
29+
public class Application {
30+
31+
public static void main(String[] args) {
32+
Typist sizeTypist = new Typist();
33+
Typist colorTypist = new Typist();
34+
RegularScript font = new RegularScript();
35+
36+
Command rubify = new Rubify(font);
37+
Command enlarge = new Enlarge(font);
38+
39+
font.printStatus();
40+
41+
// 设置字体颜色
42+
colorTypist.cast(rubify, font);
43+
font.printStatus();
44+
45+
// 设置字体大小
46+
sizeTypist.cast(enlarge, font);
47+
font.printStatus();
48+
49+
// 撤销颜色更改
50+
colorTypist.undo();
51+
font.printStatus();
52+
colorTypist.undo();
53+
54+
// 撤销大小更改
55+
sizeTypist.undo();
56+
font.printStatus();
57+
sizeTypist.undo();
58+
59+
// 字体颜色重做
60+
colorTypist.redo();
61+
font.printStatus();
62+
colorTypist.redo();
63+
64+
// 大小重做
65+
sizeTypist.redo();
66+
font.printStatus();
67+
sizeTypist.redo();
68+
}
69+
}

‎command/src/main/java/me/zbl/command/Color.java‎

Lines changed: 43 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,43 @@
1+
/**
2+
* MIT License
3+
* <p>
4+
* Copyright (c) 2017 James
5+
* <p>
6+
* Permission is hereby granted, free of charge, to any person obtaining a copy
7+
* of this software and associated documentation files (the "Software"), to deal
8+
* in the Software without restriction, including without limitation the rights
9+
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10+
* copies of the Software, and to permit persons to whom the Software is
11+
* furnished to do so, subject to the following conditions:
12+
* <p>
13+
* The above copyright notice and this permission notice shall be included in all
14+
* copies or substantial portions of the Software.
15+
* <p>
16+
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17+
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18+
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19+
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20+
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21+
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22+
* SOFTWARE.
23+
*/
24+
package me.zbl.command;
25+
26+
/**
27+
* 字体颜色
28+
*/
29+
public enum Color {
30+
31+
RED("红"), BLACK("黑");
32+
33+
private String name;
34+
35+
Color(String name) {
36+
this.name = name;
37+
}
38+
39+
@Override
40+
public String toString() {
41+
return name;
42+
}
43+
}

‎command/src/main/java/me/zbl/command/Command.java‎

Lines changed: 39 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,39 @@
1+
/**
2+
* MIT License
3+
* <p>
4+
* Copyright (c) 2017 James
5+
* <p>
6+
* Permission is hereby granted, free of charge, to any person obtaining a copy
7+
* of this software and associated documentation files (the "Software"), to deal
8+
* in the Software without restriction, including without limitation the rights
9+
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10+
* copies of the Software, and to permit persons to whom the Software is
11+
* furnished to do so, subject to the following conditions:
12+
* <p>
13+
* The above copyright notice and this permission notice shall be included in all
14+
* copies or substantial portions of the Software.
15+
* <p>
16+
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17+
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18+
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19+
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20+
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21+
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22+
* SOFTWARE.
23+
*/
24+
package me.zbl.command;
25+
26+
/**
27+
* 命令抽象类
28+
*/
29+
public abstract class Command {
30+
31+
public abstract void execute();
32+
33+
public abstract void undo();
34+
35+
public abstract void redo();
36+
37+
@Override
38+
public abstract String toString();
39+
}

‎command/src/main/java/me/zbl/command/Enlarge.java‎

Lines changed: 58 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,58 @@
1+
/**
2+
* MIT License
3+
* <p>
4+
* Copyright (c) 2017 James
5+
* <p>
6+
* Permission is hereby granted, free of charge, to any person obtaining a copy
7+
* of this software and associated documentation files (the "Software"), to deal
8+
* in the Software without restriction, including without limitation the rights
9+
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10+
* copies of the Software, and to permit persons to whom the Software is
11+
* furnished to do so, subject to the following conditions:
12+
* <p>
13+
* The above copyright notice and this permission notice shall be included in all
14+
* copies or substantial portions of the Software.
15+
* <p>
16+
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17+
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18+
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19+
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20+
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21+
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22+
* SOFTWARE.
23+
*/
24+
package me.zbl.command;
25+
26+
/**
27+
* 设置字体为大号
28+
*/
29+
public class Enlarge extends Command {
30+
31+
private final AbstractFont font;
32+
private final Size oriSize;
33+
34+
public Enlarge(AbstractFont font) {
35+
this.font = font;
36+
oriSize = font.getSize();
37+
}
38+
39+
@Override
40+
public void execute() {
41+
font.setSize(Size.LARGE);
42+
}
43+
44+
@Override
45+
public void undo() {
46+
font.setSize(oriSize);
47+
}
48+
49+
@Override
50+
public void redo() {
51+
execute();
52+
}
53+
54+
@Override
55+
public String toString() {
56+
return "设置字体为大号";
57+
}
58+
}

‎command/src/main/java/me/zbl/command/RegularScript.java‎

Lines changed: 40 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
1+
/**
2+
* MIT License
3+
* <p>
4+
* Copyright (c) 2017 James
5+
* <p>
6+
* Permission is hereby granted, free of charge, to any person obtaining a copy
7+
* of this software and associated documentation files (the "Software"), to deal
8+
* in the Software without restriction, including without limitation the rights
9+
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10+
* copies of the Software, and to permit persons to whom the Software is
11+
* furnished to do so, subject to the following conditions:
12+
* <p>
13+
* The above copyright notice and this permission notice shall be included in all
14+
* copies or substantial portions of the Software.
15+
* <p>
16+
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17+
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18+
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19+
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20+
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21+
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22+
* SOFTWARE.
23+
*/
24+
package me.zbl.command;
25+
26+
/**
27+
* 字体
28+
*/
29+
public class RegularScript extends AbstractFont {
30+
31+
public RegularScript() {
32+
setColor(Color.BLACK);
33+
setSize(Size.SMALL);
34+
}
35+
36+
@Override
37+
public String toString() {
38+
return "楷体";
39+
}
40+
}

‎command/src/main/java/me/zbl/command/Rubify.java‎

Lines changed: 58 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,58 @@
1+
/**
2+
* MIT License
3+
* <p>
4+
* Copyright (c) 2017 James
5+
* <p>
6+
* Permission is hereby granted, free of charge, to any person obtaining a copy
7+
* of this software and associated documentation files (the "Software"), to deal
8+
* in the Software without restriction, including without limitation the rights
9+
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10+
* copies of the Software, and to permit persons to whom the Software is
11+
* furnished to do so, subject to the following conditions:
12+
* <p>
13+
* The above copyright notice and this permission notice shall be included in all
14+
* copies or substantial portions of the Software.
15+
* <p>
16+
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17+
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18+
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19+
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20+
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21+
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22+
* SOFTWARE.
23+
*/
24+
package me.zbl.command;
25+
26+
/**
27+
* 设置字体颜色为红色的命令
28+
*/
29+
public class Rubify extends Command {
30+
31+
private final AbstractFont font;
32+
private final Color oriColor;
33+
34+
public Rubify(AbstractFont font) {
35+
this.font = font;
36+
oriColor = font.getColor();
37+
}
38+
39+
@Override
40+
public void execute() {
41+
font.setColor(Color.RED);
42+
}
43+
44+
@Override
45+
public void undo() {
46+
font.setColor(oriColor);
47+
}
48+
49+
@Override
50+
public void redo() {
51+
execute();
52+
}
53+
54+
@Override
55+
public String toString() {
56+
return "设置字体为红色";
57+
}
58+
}

0 commit comments

Comments
 (0)