Commit 329d56654b066355fed3cb75751624609465dd62
1 parent
75092d17
feat: 完成一个
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713 deletions
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src/main/java/com/example/mina/base/AbstractVirtualBoxHandler.java
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... | ... | @@ -0,0 +1,32 @@ |
1 | +package com.example.mina.base; | |
2 | + | |
3 | +import org.apache.mina.core.service.IoHandlerAdapter; | |
4 | + | |
5 | +/** | |
6 | + * @author 杜云山 | |
7 | + * @date 21/03/05 | |
8 | + */ | |
9 | +public abstract class AbstractVirtualBoxHandler extends IoHandlerAdapter { | |
10 | + | |
11 | + /** | |
12 | + * 存储衰减值的矩阵 | |
13 | + */ | |
14 | + protected int[][] matrix; | |
15 | + | |
16 | + protected int type; | |
17 | + | |
18 | + protected int row = 10; | |
19 | + | |
20 | + protected int maxAttenuate = 99; | |
21 | + | |
22 | + /** | |
23 | + * 初始化矩阵以及该设备的一些参数 | |
24 | + */ | |
25 | + protected abstract void initMatrix(); | |
26 | + | |
27 | + /** | |
28 | + * 处理消息 | |
29 | + */ | |
30 | + protected abstract void handleMessage(); | |
31 | + | |
32 | +} | ... | ... |
src/main/java/com/example/mina/base/AeroflexDataBuffer.java
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... | ... | @@ -0,0 +1,27 @@ |
1 | +package com.example.mina.base; | |
2 | + | |
3 | +/** | |
4 | + * @author 杜云山 | |
5 | + * @date 2021/03/05 | |
6 | + */ | |
7 | +public class AeroflexDataBuffer extends HardwareDataBuffer { | |
8 | + | |
9 | + public AeroflexDataBuffer(int row, int maxAtten) { | |
10 | + super(row, row, row, maxAtten); | |
11 | + | |
12 | + matrix_data = new Entry[row][row]; | |
13 | + offset_data = new Entry[row]; | |
14 | + | |
15 | + for (int i = 0; i < row; i++) { | |
16 | + for (int k = 0; k < row; k++) { | |
17 | + matrix_data[i][k] = new Entry(i, k, "kk", maxAtten, false); | |
18 | + } | |
19 | + } | |
20 | + | |
21 | + for (int i = 0; i < row; i++) { | |
22 | + offset_data[i] = new Entry(i, 0, "rr", maxAtten, false); | |
23 | + } | |
24 | + | |
25 | + } | |
26 | + | |
27 | +} | ... | ... |
... | ... | @@ -0,0 +1,60 @@ |
1 | +package com.example.mina.base; | |
2 | + | |
3 | +/** | |
4 | + * @author 杜云山 | |
5 | + * @date 2021/03/05 | |
6 | + */ | |
7 | +public class Entry { | |
8 | + | |
9 | + private final int row; | |
10 | + | |
11 | + private final int col; | |
12 | + | |
13 | + private final String name; | |
14 | + | |
15 | + private int value; | |
16 | + | |
17 | + private final boolean booked; | |
18 | + | |
19 | + private final long timestamp; | |
20 | + | |
21 | + public static final Entry EMPTY = new Entry(0, 0, null, 0, false); | |
22 | + | |
23 | + public Entry(int row, int col, String name, int value, boolean booked) { | |
24 | + this.row = row; | |
25 | + this.col = col; | |
26 | + this.name = name; | |
27 | + this.value = value; | |
28 | + this.booked = booked; | |
29 | + this.timestamp = System.nanoTime(); | |
30 | + } | |
31 | + | |
32 | + public int getRow() { | |
33 | + return row; | |
34 | + } | |
35 | + | |
36 | + public int getCol() { | |
37 | + return col; | |
38 | + } | |
39 | + | |
40 | + public String getName() { | |
41 | + return name; | |
42 | + } | |
43 | + | |
44 | + public int getValue() { | |
45 | + return value; | |
46 | + } | |
47 | + | |
48 | + public boolean isBooked() { | |
49 | + return booked; | |
50 | + } | |
51 | + | |
52 | + public void setValue(int v) { | |
53 | + this.value = v; | |
54 | + } | |
55 | + | |
56 | + public long getTimestamp() { | |
57 | + return this.timestamp; | |
58 | + } | |
59 | + | |
60 | +} | ... | ... |
src/main/java/com/example/mina/base/HardwareDataBuffer.java
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... | ... | @@ -0,0 +1,86 @@ |
1 | +package com.example.mina.base; | |
2 | + | |
3 | +public class HardwareDataBuffer { | |
4 | + | |
5 | + protected int maxRow; | |
6 | + protected int maxCol; | |
7 | + protected int maxOffset; | |
8 | + | |
9 | + protected int maxAtten; | |
10 | + | |
11 | + | |
12 | + protected Entry[][] matrix_data; | |
13 | + protected Entry[] offset_data; | |
14 | + | |
15 | + public HardwareDataBuffer() {} | |
16 | + | |
17 | + public HardwareDataBuffer(int row, int col, int offset, int maxAtten){ | |
18 | + this.maxRow = row; | |
19 | + this.maxCol = col; | |
20 | + this.maxOffset = offset; | |
21 | + this.maxAtten = maxAtten; | |
22 | + } | |
23 | + | |
24 | + | |
25 | + /** | |
26 | + * Set cross point attenuation value. Actually that is not correct. | |
27 | + * In case of LTE device, this is a ON/OFF status (0,1) | |
28 | + * | |
29 | + * @param row the row index. *** starts from 1 *** | |
30 | + * @param col the col index. *** starts from 1 *** | |
31 | + * @param val the attenuation value | |
32 | + */ | |
33 | + public synchronized void setAttenuation(int row, int col, int val){ | |
34 | + | |
35 | + if(val != -1 && (row < 1 || row > maxRow || col < 1 || col > maxCol)) { | |
36 | + //Logger.atError().log("HardwareDataBuffer: setAttenuation(int row, int col, int val) " + row + "/" + col + "/" + val); | |
37 | + return; | |
38 | + } | |
39 | + if(val == -1) val = maxAtten; | |
40 | + matrix_data[row - 1][col -1 ] = new Entry(row -1 , col -1 , "rr", val, false);; | |
41 | + } | |
42 | + | |
43 | + | |
44 | + public int getAttenuation(int row, int col){ | |
45 | + return matrix_data[row - 1][col -1 ].getValue(); | |
46 | + } | |
47 | + | |
48 | + public synchronized void setOffset(int row,int val){ | |
49 | + if(row < 1 || row > maxOffset){ | |
50 | + //rfmazeLogger.atError().log("HardwareDataBuffer: setOffset(int row, int val) " + row + "/" + val); | |
51 | + return; | |
52 | + } | |
53 | + offset_data[row - 1] = new Entry(row -1 , 0 , "rr", val, false);; | |
54 | + } | |
55 | + | |
56 | + public int getOffset(int row){ | |
57 | + return offset_data[row - 1].getValue(); | |
58 | + } | |
59 | + | |
60 | + | |
61 | + public Entry[] getOffset_data() { | |
62 | + return offset_data; | |
63 | + } | |
64 | + | |
65 | + public Entry[][] getMatrix_data() { | |
66 | + return matrix_data; | |
67 | + } | |
68 | + | |
69 | + public int getMaxRow(){ | |
70 | + return maxRow; | |
71 | + } | |
72 | + | |
73 | + public int getMaxCol(){ | |
74 | + return maxCol; | |
75 | + } | |
76 | + | |
77 | + public int getMaxOffset() { | |
78 | + return maxOffset; | |
79 | + } | |
80 | + | |
81 | + public int getMaxAtten() { | |
82 | + return maxAtten; | |
83 | + } | |
84 | + | |
85 | + | |
86 | +} | ... | ... |
... | ... | @@ -0,0 +1,139 @@ |
1 | +package com.example.mina.box1; | |
2 | + | |
3 | +import com.example.mina.base.AbstractVirtualBoxHandler; | |
4 | +import com.example.mina.base.AeroflexDataBuffer; | |
5 | +import com.example.mina.util.StrUtil; | |
6 | +import lombok.extern.slf4j.Slf4j; | |
7 | +import org.apache.mina.core.buffer.IoBuffer; | |
8 | +import org.apache.mina.core.session.IoSession; | |
9 | + | |
10 | +/** | |
11 | + * @author 杜云山 | |
12 | + * @date 21/03/05 | |
13 | + */ | |
14 | +@Slf4j | |
15 | +public class Box1Handler extends AbstractVirtualBoxHandler { | |
16 | + | |
17 | + | |
18 | + private static final byte[] ERROR = "ERROR".getBytes(); | |
19 | + | |
20 | + private static final byte[] NONE = "OK".getBytes(); | |
21 | + | |
22 | + private AeroflexDataBuffer dataBuffer; | |
23 | + | |
24 | + public Box1Handler() { | |
25 | + this.initMatrix(); | |
26 | + } | |
27 | + | |
28 | + @Override | |
29 | + protected void initMatrix() { | |
30 | + | |
31 | + int row = 10; | |
32 | + int col = 1; | |
33 | + int maxAtten = 888; | |
34 | + | |
35 | + dataBuffer = new AeroflexDataBuffer(row, maxAtten); | |
36 | + } | |
37 | + | |
38 | + @Override | |
39 | + protected void handleMessage() { | |
40 | + | |
41 | + } | |
42 | + | |
43 | + @Override | |
44 | + public void messageReceived(IoSession session, Object message) { | |
45 | + | |
46 | + IoBuffer ioBuffer = (IoBuffer) message; | |
47 | + byte[] bytes = new byte[ioBuffer.limit()]; | |
48 | + ioBuffer.get(bytes, ioBuffer.position(), ioBuffer.limit()); | |
49 | + | |
50 | + byte[] result = handleCommand(bytes, bytes.length); | |
51 | + | |
52 | + session.write(IoBuffer.wrap(result)); | |
53 | + } | |
54 | + | |
55 | + @Override | |
56 | + public void sessionCreated(IoSession session) { | |
57 | + | |
58 | + log.info("---server session created"); | |
59 | + } | |
60 | + | |
61 | + @Override | |
62 | + public void sessionOpened(IoSession session) { | |
63 | + | |
64 | + log.info("---server session Opened"); | |
65 | + } | |
66 | + | |
67 | + @Override | |
68 | + public void sessionClosed(IoSession session) { | |
69 | + | |
70 | + log.info("---server session Closed"); | |
71 | + } | |
72 | + | |
73 | + @Override | |
74 | + public void messageSent(IoSession session, Object message) { | |
75 | + | |
76 | + log.info("---发送数据成功了。。。{}", message); | |
77 | + } | |
78 | + | |
79 | + | |
80 | + protected byte[] handleCommand(byte[] cmd, int len) { | |
81 | + String command = new String(cmd).trim(); | |
82 | + | |
83 | +// LogUtils.println("AeroflexVirtualBoxService::handleCommand receive : ", command); | |
84 | + | |
85 | + if (command.startsWith("ATTN ALL MAX")) {//set all to max | |
86 | + for (int i = 1; i < dataBuffer.getMaxRow(); i++) { | |
87 | + dataBuffer.setOffset(i, dataBuffer.getMaxAtten()); | |
88 | + } | |
89 | + | |
90 | + return NONE; | |
91 | + } else if (command.startsWith("ATTN?")) {//get | |
92 | + String[] sss = command.split(" "); | |
93 | + if (sss.length >= 2) { | |
94 | +// LogUtils.println(sss[0], sss[1]); | |
95 | + | |
96 | + int row = StrUtil.toInt(sss[1]); | |
97 | + if (row >= 0 && row <= dataBuffer.getMaxRow()) { | |
98 | + String str = String.valueOf(dataBuffer.getOffset(row)); | |
99 | +// LogUtils.println("AeroflexVirtualBoxService::handleCommand return : ", str); | |
100 | + return str.getBytes(); | |
101 | + } | |
102 | + } | |
103 | + | |
104 | + return ERROR; | |
105 | + } else if (command.startsWith("ATTN")) {//Set, Follow by ATTN? | |
106 | +// LogUtils.println("command.startsWith(\"ATTN\")"); | |
107 | + String[] aa = command.split(";"); | |
108 | + | |
109 | +// LogUtils.println(aa[0], aa[1]); | |
110 | + | |
111 | + String[] sss = aa[0].split(" "); | |
112 | + StrUtil.printArray(sss); | |
113 | + | |
114 | + if (sss.length >= 3) { | |
115 | + int row = StrUtil.toInt(sss[1]); | |
116 | + int val = StrUtil.toInt(sss[2]); | |
117 | + | |
118 | + System.out.println(row + "/" + val); | |
119 | + | |
120 | + if (row >= 0 && row <= dataBuffer.getMaxRow()) { | |
121 | + if (val >= 0 && val <= dataBuffer.getMaxAtten()) { | |
122 | + dataBuffer.setOffset(row, val); | |
123 | + | |
124 | + String str = String.valueOf(dataBuffer.getOffset(row)); | |
125 | +// LogUtils.println("handleCommand return =====> ", str); | |
126 | + return str.getBytes(); | |
127 | + } | |
128 | + } | |
129 | + } | |
130 | + | |
131 | + return ERROR; | |
132 | + | |
133 | + } else { | |
134 | + return ERROR; | |
135 | + } | |
136 | + | |
137 | + } | |
138 | + | |
139 | +} | ... | ... |
src/main/java/com/example/mina/config/Box1Configuration.java
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... | ... | @@ -0,0 +1,48 @@ |
1 | +package com.example.mina.config; | |
2 | + | |
3 | +import com.example.mina.box1.Box1Handler; | |
4 | +import lombok.extern.slf4j.Slf4j; | |
5 | +import org.apache.mina.core.service.IoAcceptor; | |
6 | +import org.apache.mina.transport.socket.nio.NioSocketAcceptor; | |
7 | +import org.springframework.context.annotation.Bean; | |
8 | +import org.springframework.context.annotation.Configuration; | |
9 | + | |
10 | +import java.io.IOException; | |
11 | +import java.net.InetSocketAddress; | |
12 | + | |
13 | +/** | |
14 | + * @author 杜云山 | |
15 | + * @date 21/03/05 | |
16 | + */ | |
17 | +@Slf4j | |
18 | +@Configuration | |
19 | +public class Box1Configuration { | |
20 | + | |
21 | + /** | |
22 | + * 开启mina的server服务 | |
23 | + */ | |
24 | + @Bean | |
25 | + public IoAcceptor ioAcceptor() throws IOException { | |
26 | + | |
27 | + NioSocketAcceptor acceptor = new NioSocketAcceptor(); | |
28 | + acceptor.setHandler(new Box1Handler()); | |
29 | + acceptor.setReuseAddress(true); | |
30 | + acceptor.bind(new InetSocketAddress(9090)); | |
31 | + | |
32 | + return acceptor; | |
33 | + | |
34 | + } | |
35 | + | |
36 | + @Bean | |
37 | + public IoAcceptor ioAcceptor999() throws IOException { | |
38 | + | |
39 | + NioSocketAcceptor acceptor = new NioSocketAcceptor(); | |
40 | + acceptor.setHandler(new Box1Handler()); | |
41 | + acceptor.setReuseAddress(true); | |
42 | + acceptor.bind(new InetSocketAddress(9999)); | |
43 | + | |
44 | + return acceptor; | |
45 | + | |
46 | + } | |
47 | + | |
48 | +} | ... | ... |
src/main/java/com/example/mina/config/Box2Configuration.java
0 → 100644
src/main/java/com/example/mina/config/ConfigMina.java
... | ... | @@ -1,97 +0,0 @@ |
1 | -package com.example.mina.config; | |
2 | - | |
3 | -import com.example.mina.mina.code.ByteFactory; | |
4 | -import com.example.mina.mina.server.MinaServerHandler; | |
5 | -import org.apache.mina.core.filterchain.DefaultIoFilterChainBuilder; | |
6 | -import org.apache.mina.core.service.IoAcceptor; | |
7 | -import org.apache.mina.core.session.IdleStatus; | |
8 | -import org.apache.mina.filter.codec.ProtocolCodecFilter; | |
9 | -import org.apache.mina.filter.executor.ExecutorFilter; | |
10 | -import org.apache.mina.filter.logging.LoggingFilter; | |
11 | -import org.apache.mina.transport.socket.nio.NioSocketAcceptor; | |
12 | -import org.springframework.context.annotation.Bean; | |
13 | -import org.springframework.context.annotation.Configuration; | |
14 | - | |
15 | -import java.io.IOException; | |
16 | -import java.net.InetSocketAddress; | |
17 | - | |
18 | -/** | |
19 | - * @author dy | |
20 | - * @date 2021/3/3 | |
21 | - */ | |
22 | -@Configuration | |
23 | -public class ConfigMina { | |
24 | - | |
25 | - /** | |
26 | - * 配置mina的多线程过滤器 | |
27 | - * | |
28 | - * @return | |
29 | - */ | |
30 | - @Bean | |
31 | - public ExecutorFilter executorFilter() { | |
32 | - //设置初始化线程数,最大线程数 | |
33 | - ExecutorFilter executorFilter = new ExecutorFilter(10, 20); | |
34 | - return executorFilter; | |
35 | - } | |
36 | - | |
37 | - /** | |
38 | - * 配置mina的转码过滤器 | |
39 | - * | |
40 | - * @return | |
41 | - */ | |
42 | - @Bean | |
43 | - public ProtocolCodecFilter protocolCodecFilter() { | |
44 | -// TextLineCodecFactory factory = new TextLineCodecFactory(Charset.forName("UTF-8"), | |
45 | -// LineDelimiter.WINDOWS.getValue(), LineDelimiter.WINDOWS.getValue()); | |
46 | - | |
47 | - | |
48 | - //TextLineCodecFactory factory = new TextLineCodecFactory(Charset.forName("UTF-8"), LineDelimiter.WINDOWS.getValue(), LineDelimiter.WINDOWS.getValue()); | |
49 | - ProtocolCodecFilter pcf = new ProtocolCodecFilter(new ByteFactory()); | |
50 | - //ProtocolCodecFilter pcf = new ProtocolCodecFilter(factory); | |
51 | - return pcf; | |
52 | - } | |
53 | - | |
54 | - /** | |
55 | - * 配置mina的日志过滤器 | |
56 | - * | |
57 | - * @return | |
58 | - */ | |
59 | - @Bean | |
60 | - public LoggingFilter loggingFilter() { | |
61 | - return new LoggingFilter(); | |
62 | - } | |
63 | - | |
64 | - /** | |
65 | - * 将过滤器注入到mina的链式管理器中 | |
66 | - * | |
67 | - * @return | |
68 | - */ | |
69 | - @Bean | |
70 | - public DefaultIoFilterChainBuilder defaultIoFilterChainBuilder() { | |
71 | - DefaultIoFilterChainBuilder def = new DefaultIoFilterChainBuilder(); | |
72 | - def.addLast("executor", executorFilter()); | |
73 | - def.addLast("logger", loggingFilter()); | |
74 | - def.addLast("protocol", protocolCodecFilter()); | |
75 | - return def; | |
76 | - } | |
77 | - | |
78 | - /** | |
79 | - * 开启mina的server服务,并设置对应的参数 | |
80 | - * | |
81 | - * @return | |
82 | - * @throws IOException | |
83 | - */ | |
84 | - @Bean | |
85 | - public IoAcceptor ioAcceptor() throws IOException { | |
86 | - IoAcceptor nio = new NioSocketAcceptor(); | |
87 | - //设置缓冲区大小 | |
88 | - nio.getSessionConfig().setReadBufferSize(2048); | |
89 | - //设置空闲状态时间,10秒没操作就进入空闲状态 | |
90 | - nio.getSessionConfig().setIdleTime(IdleStatus.BOTH_IDLE, 10); | |
91 | - nio.setFilterChainBuilder(defaultIoFilterChainBuilder()); | |
92 | - nio.setHandler(new MinaServerHandler()); | |
93 | - nio.bind(new InetSocketAddress(9098)); | |
94 | - return nio; | |
95 | - } | |
96 | - | |
97 | -} |
src/main/java/com/example/mina/config/SecurityConfig.java
... | ... | @@ -1,27 +0,0 @@ |
1 | -package com.example.mina.config; | |
2 | - | |
3 | -import org.springframework.context.annotation.Configuration; | |
4 | -import org.springframework.security.config.annotation.web.builders.HttpSecurity; | |
5 | -import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter; | |
6 | - | |
7 | -/** | |
8 | - * @author dy | |
9 | - * @date 2021/2/25 | |
10 | - */ | |
11 | -@Configuration | |
12 | -public class SecurityConfig extends WebSecurityConfigurerAdapter { | |
13 | - | |
14 | - @Override | |
15 | - protected void configure(HttpSecurity http) throws Exception { | |
16 | - // 首页所有人都可以访问,功能也只有对应有权限的人才能访问到 | |
17 | - // 请求授权的规则 | |
18 | - | |
19 | -// http.authorizeRequests() | |
20 | -// .antMatchers("/").permitAll() | |
21 | -// .antMatchers("/level1/**").hasRole("vip1") | |
22 | -// .antMatchers("/level2/**").hasRole("vip2") | |
23 | -// .antMatchers("/level3/**").hasRole("vip3"); | |
24 | - // 开启自动配置的登录功能 | |
25 | - http.formLogin(); | |
26 | - } | |
27 | -} |
src/main/java/com/example/mina/controller/RouterController.java
... | ... | @@ -1,41 +0,0 @@ |
1 | -package com.example.mina.controller; | |
2 | - | |
3 | -import lombok.extern.slf4j.Slf4j; | |
4 | -import org.springframework.stereotype.Controller; | |
5 | -import org.springframework.web.bind.annotation.GetMapping; | |
6 | -import org.springframework.web.bind.annotation.PathVariable; | |
7 | - | |
8 | -/** | |
9 | - * @author dy | |
10 | - * @date 2021/2/22 | |
11 | - */ | |
12 | -@Controller | |
13 | -@Slf4j | |
14 | -public class RouterController { | |
15 | - | |
16 | - @GetMapping({"/", "/index"}) | |
17 | - public String index() { | |
18 | - log.info("是否进入程序"); | |
19 | - return "/index"; | |
20 | - } | |
21 | - | |
22 | - @GetMapping("/toLogin") | |
23 | - public String toLogin() { | |
24 | - return "views/login"; | |
25 | - } | |
26 | - | |
27 | - @GetMapping("/level1/{id}") | |
28 | - public String level1(@PathVariable("id") int id) { | |
29 | - return "views/level1/" + id; | |
30 | - } | |
31 | - | |
32 | - @GetMapping("/level2/{id}") | |
33 | - public String level2(@PathVariable("id") int id) { | |
34 | - return "views/level2/" + id; | |
35 | - } | |
36 | - | |
37 | - @GetMapping("/level3/{id}") | |
38 | - public String level3(@PathVariable("id") int id) { | |
39 | - return "views/level3/" + id; | |
40 | - } | |
41 | -} |
src/main/java/com/example/mina/entity/AttenuationVO.java
0 → 100644
src/main/java/com/example/mina/http/HttpSimulator.java
... | ... | @@ -1,136 +0,0 @@ |
1 | -package com.example.mina.http; | |
2 | - | |
3 | -import java.io.*; | |
4 | -import java.net.InetSocketAddress; | |
5 | -import java.net.Socket; | |
6 | - | |
7 | -/** | |
8 | - * @author dy | |
9 | - * @date 2021/3/4 | |
10 | - */ | |
11 | -public class HttpSimulator { | |
12 | - | |
13 | - private Socket socket; | |
14 | - | |
15 | - private int port = 80; | |
16 | - | |
17 | - private String host = "localhost"; | |
18 | - | |
19 | - private String request = ""; // HTTP请求消息 | |
20 | - | |
21 | - private boolean isPost, isHead; | |
22 | - | |
23 | - | |
24 | - public void run() throws Exception { | |
25 | - BufferedReader reader = new BufferedReader(new InputStreamReader( | |
26 | - System.in)); | |
27 | - while (true) // 开始大循环 | |
28 | - { | |
29 | - try { | |
30 | - if (!readHostAndPort(reader)) { | |
31 | - break; | |
32 | - } | |
33 | - readHttpRequest(reader); | |
34 | - sendHttpRequest(); | |
35 | - readHttpResponse(reader); | |
36 | - | |
37 | - } catch (Exception e) { | |
38 | - System.out.println("err:" + e.getMessage()); | |
39 | - | |
40 | - } | |
41 | - | |
42 | - } | |
43 | - | |
44 | - } | |
45 | - | |
46 | - | |
47 | - public static void main(String[] args) throws Exception { | |
48 | - new HttpSimulator().run(); | |
49 | - | |
50 | - } | |
51 | - | |
52 | - private boolean readHostAndPort(BufferedReader consoleReader) | |
53 | - throws Exception { | |
54 | - System.out.print("host:port>"); | |
55 | - String[] ss = null; | |
56 | - String s = consoleReader.readLine(); | |
57 | - if (s.equals("q")) { | |
58 | - return false; | |
59 | - } else { | |
60 | - ss = s.split("[:]"); | |
61 | - if (!ss[0].equals("")) { | |
62 | - host = ss[0]; | |
63 | - } | |
64 | - if (ss.length > 1) { | |
65 | - port = Integer.parseInt(ss[1]); | |
66 | - } | |
67 | - System.out.println(host + ":" + String.valueOf(port)); | |
68 | - return true; | |
69 | - } | |
70 | - } | |
71 | - | |
72 | - private void readHttpRequest(BufferedReader consoleReader) | |
73 | - throws Exception { | |
74 | - System.out.println("请输入HTTP请求:"); | |
75 | - String s = consoleReader.readLine(); | |
76 | - request = s + "\r\n"; | |
77 | - boolean isPost = s.substring(0, 4).equals("POST"); | |
78 | - boolean isHead = s.substring(0, 4).equals("HEAD"); | |
79 | - while (!(s = consoleReader.readLine()).equals("")) { | |
80 | - request = request + s + "\r\n"; | |
81 | - } | |
82 | - request = request + "\r\n"; | |
83 | - if (isPost) { | |
84 | - System.out.println("请输入POST方法的内容:"); | |
85 | - s = consoleReader.readLine(); | |
86 | - request = request + s; | |
87 | - } | |
88 | - } | |
89 | - | |
90 | - private void sendHttpRequest() throws Exception { | |
91 | - socket = new Socket(); | |
92 | - socket.setSoTimeout(10 * 1000); | |
93 | - System.out.println("正在连接服务器"); | |
94 | - socket.connect(new InetSocketAddress(host, port), 10 * 1000); | |
95 | - System.out.println("服务器连接成功!"); | |
96 | - OutputStream out = socket.getOutputStream(); | |
97 | - OutputStreamWriter writer = new OutputStreamWriter(out); | |
98 | - writer.write(request); | |
99 | - writer.flush(); | |
100 | - } | |
101 | - | |
102 | - private void readHttpResponse(BufferedReader consoleReader) { | |
103 | - String s = ""; | |
104 | - try { | |
105 | - InputStream in = socket.getInputStream(); | |
106 | - InputStreamReader inReader = new InputStreamReader(in); | |
107 | - BufferedReader socketReader = new BufferedReader(inReader); | |
108 | - System.out.println("---------HTTP头---------"); | |
109 | - boolean b = true; // true: 未读取消息头 false: 已经读取消息头 | |
110 | - while ((s = socketReader.readLine()) != null) { | |
111 | - if (s.equals("") && b == true && !isHead) { | |
112 | - System.out.println("------------------------"); | |
113 | - b = false; | |
114 | - System.out.print("是否显示HTTP的内容(Y/N):"); | |
115 | - String choice = consoleReader.readLine(); | |
116 | - if (choice.equals("Y") || choice.equals("y")) { | |
117 | - System.out.println("---------HTTP内容---------"); | |
118 | - continue; | |
119 | - } else { | |
120 | - break; | |
121 | - } | |
122 | - } else { | |
123 | - System.out.println(s); | |
124 | - } | |
125 | - } | |
126 | - } catch (Exception e) { | |
127 | - System.out.println("err:" + e.getMessage()); | |
128 | - } finally { | |
129 | - try { | |
130 | - socket.close(); | |
131 | - } catch (Exception e) { | |
132 | - } | |
133 | - } | |
134 | - System.out.println("------------------------"); | |
135 | - } | |
136 | -} |
src/main/java/com/example/mina/mina/client/MinaClient.java
... | ... | @@ -1,40 +0,0 @@ |
1 | -package com.example.mina.mina.client; | |
2 | - | |
3 | -import org.apache.mina.core.service.IoConnector; | |
4 | -import org.apache.mina.filter.codec.ProtocolCodecFilter; | |
5 | -import org.apache.mina.filter.codec.textline.LineDelimiter; | |
6 | -import org.apache.mina.filter.codec.textline.TextLineCodecFactory; | |
7 | -import org.apache.mina.transport.socket.nio.NioSocketConnector; | |
8 | - | |
9 | -import java.net.InetSocketAddress; | |
10 | -import java.nio.charset.Charset; | |
11 | - | |
12 | -/** | |
13 | - * @author dy | |
14 | - * @date 2021/3/3 | |
15 | - */ | |
16 | -public class MinaClient { | |
17 | - | |
18 | - public static void main(String[] args) { | |
19 | - //1、创建客户端IoService | |
20 | - IoConnector connector = new NioSocketConnector(); | |
21 | - //客户端链接超时时间 | |
22 | - connector.setConnectTimeoutMillis(30000); | |
23 | - //2、客户端过滤器 | |
24 | - connector.getFilterChain().addLast("test", | |
25 | - new ProtocolCodecFilter( | |
26 | - new TextLineCodecFactory( | |
27 | - Charset.forName("UTF-8"), | |
28 | - LineDelimiter.WINDOWS.getValue(), | |
29 | - LineDelimiter.WINDOWS.getValue() | |
30 | - ) | |
31 | - ) | |
32 | - ); | |
33 | - //3、客户端IoHandler,发生消息 | |
34 | - connector.setHandler(new MinaClientHandler("2")); | |
35 | - //连接服务端 | |
36 | - connector.connect(new InetSocketAddress("localhost", 9098)); | |
37 | - | |
38 | - } | |
39 | - | |
40 | -} |
src/main/java/com/example/mina/mina/client/MinaClientHandler.java
... | ... | @@ -1,39 +0,0 @@ |
1 | -package com.example.mina.mina.client; | |
2 | - | |
3 | -import org.apache.mina.core.service.IoHandlerAdapter; | |
4 | -import org.apache.mina.core.session.IoSession; | |
5 | - | |
6 | -/** | |
7 | - * @author dy | |
8 | - * @date 2021/3/3 | |
9 | - */ | |
10 | -public class MinaClientHandler extends IoHandlerAdapter { | |
11 | - | |
12 | - private final String values; | |
13 | - | |
14 | - public MinaClientHandler(String values) { | |
15 | - this.values = values; | |
16 | - } | |
17 | - | |
18 | - @Override | |
19 | - public void sessionOpened(IoSession session) { | |
20 | - session.write(values); | |
21 | -// //调用IoService的dispose方法关闭线程,这样每次调用client方法发送数据之后就会关闭client | |
22 | -// IoService service = session.getService(); | |
23 | -// service.dispose(); | |
24 | - | |
25 | - } | |
26 | - | |
27 | - /** | |
28 | - * 接收服务器端反馈消息 | |
29 | - * | |
30 | - * @param session | |
31 | - * @param message | |
32 | - * @throws Exception | |
33 | - */ | |
34 | - @Override | |
35 | - public void messageReceived(IoSession session, Object message) throws Exception { | |
36 | - System.out.println("收到服务器响应消息:" + message); | |
37 | - } | |
38 | - | |
39 | -} |
src/main/java/com/example/mina/mina/code/ByteDecoder.java
... | ... | @@ -1,29 +0,0 @@ |
1 | -package com.example.mina.mina.code; | |
2 | - | |
3 | -import org.apache.mina.core.buffer.IoBuffer; | |
4 | -import org.apache.mina.core.session.IoSession; | |
5 | -import org.apache.mina.filter.codec.ProtocolDecoder; | |
6 | -import org.apache.mina.filter.codec.ProtocolDecoderAdapter; | |
7 | -import org.apache.mina.filter.codec.ProtocolDecoderOutput; | |
8 | -import org.slf4j.Logger; | |
9 | -import org.slf4j.LoggerFactory; | |
10 | - | |
11 | -/** | |
12 | - * @author dy | |
13 | - * @date 2021/3/3 | |
14 | - */ | |
15 | -public class ByteDecoder extends ProtocolDecoderAdapter { | |
16 | - //打印日志信息 | |
17 | - private final static Logger log = LoggerFactory | |
18 | - .getLogger(ProtocolDecoder.class); | |
19 | - | |
20 | - @Override | |
21 | - public void decode(IoSession session, IoBuffer in, ProtocolDecoderOutput out) throws Exception { | |
22 | - int limit = in.limit(); | |
23 | - byte[] bytes = new byte[limit]; | |
24 | - | |
25 | - in.get(bytes); | |
26 | - | |
27 | - out.write(bytes); | |
28 | - } | |
29 | -} |
src/main/java/com/example/mina/mina/code/ByteEnCoder.java
... | ... | @@ -1,37 +0,0 @@ |
1 | -package com.example.mina.mina.code; | |
2 | - | |
3 | -import org.apache.mina.core.buffer.IoBuffer; | |
4 | -import org.apache.mina.core.session.IoSession; | |
5 | -import org.apache.mina.filter.codec.ProtocolEncoder; | |
6 | -import org.apache.mina.filter.codec.ProtocolEncoderAdapter; | |
7 | -import org.apache.mina.filter.codec.ProtocolEncoderOutput; | |
8 | -import org.slf4j.Logger; | |
9 | -import org.slf4j.LoggerFactory; | |
10 | - | |
11 | -/** | |
12 | - * @author dy | |
13 | - * @date 2021/3/3 | |
14 | - */ | |
15 | -public class ByteEnCoder extends ProtocolEncoderAdapter { | |
16 | - //用于打印日志信息 | |
17 | - private final static Logger log = LoggerFactory | |
18 | - .getLogger(ProtocolEncoder.class); | |
19 | - | |
20 | - //编码 将数据包转成字节数组 | |
21 | - @Override | |
22 | - public void encode(IoSession session, Object message, ProtocolEncoderOutput out) throws Exception { | |
23 | - byte[] bytes = (byte[]) message; | |
24 | - | |
25 | - IoBuffer buffer = IoBuffer.allocate(256); | |
26 | - buffer.setAutoExpand(true); | |
27 | - | |
28 | - buffer.put(bytes); | |
29 | - buffer.flip(); | |
30 | - | |
31 | - out.write(buffer); | |
32 | - out.flush(); | |
33 | - | |
34 | - buffer.free(); | |
35 | - } | |
36 | - | |
37 | -} |
src/main/java/com/example/mina/mina/code/ByteFactory.java
... | ... | @@ -1,34 +0,0 @@ |
1 | -package com.example.mina.mina.code; | |
2 | - | |
3 | -import org.apache.mina.core.session.IoSession; | |
4 | -import org.apache.mina.filter.codec.ProtocolCodecFactory; | |
5 | -import org.apache.mina.filter.codec.ProtocolDecoder; | |
6 | -import org.apache.mina.filter.codec.ProtocolEncoder; | |
7 | - | |
8 | -/** | |
9 | - * @author dy | |
10 | - * @date 2021/3/3 | |
11 | - */ | |
12 | -public class ByteFactory implements ProtocolCodecFactory { | |
13 | - private final ByteDecoder decoder; | |
14 | - private final ByteEnCoder encoder; | |
15 | - | |
16 | - //构造 | |
17 | - public ByteFactory() { | |
18 | - encoder = new ByteEnCoder(); | |
19 | - decoder = new ByteDecoder(); | |
20 | - } | |
21 | - | |
22 | - @Override | |
23 | - public ProtocolDecoder getDecoder(IoSession arg0) throws Exception { | |
24 | - // TODO Auto-generated method stub | |
25 | - return decoder; | |
26 | - } | |
27 | - | |
28 | - @Override | |
29 | - public ProtocolEncoder getEncoder(IoSession arg0) throws Exception { | |
30 | - // TODO Auto-generated method stub | |
31 | - return encoder; | |
32 | - } | |
33 | - | |
34 | -} |
src/main/java/com/example/mina/mina/server/MinaServer.java
... | ... | @@ -1,92 +0,0 @@ |
1 | -package com.example.mina.mina.server; | |
2 | - | |
3 | -import com.example.mina.mina.code.ByteFactory; | |
4 | -import org.apache.mina.core.service.IoAcceptor; | |
5 | -import org.apache.mina.core.session.IdleStatus; | |
6 | -import org.apache.mina.filter.codec.ProtocolCodecFilter; | |
7 | -import org.apache.mina.filter.codec.textline.LineDelimiter; | |
8 | -import org.apache.mina.filter.codec.textline.TextLineCodecFactory; | |
9 | -import org.apache.mina.filter.executor.ExecutorFilter; | |
10 | -import org.apache.mina.filter.logging.LogLevel; | |
11 | -import org.apache.mina.filter.logging.LoggingFilter; | |
12 | -import org.apache.mina.transport.socket.nio.NioSocketAcceptor; | |
13 | - | |
14 | -import java.io.IOException; | |
15 | -import java.net.InetSocketAddress; | |
16 | -import java.nio.charset.Charset; | |
17 | - | |
18 | -/** | |
19 | - * @author dy | |
20 | - * @date 2021/3/3 | |
21 | - */ | |
22 | -public class MinaServer { | |
23 | - | |
24 | - public static ExecutorFilter executorFilter() { | |
25 | - //设置初始化线程数,最大线程数 | |
26 | - ExecutorFilter executorFilter = new ExecutorFilter(10, 20); | |
27 | - return executorFilter; | |
28 | - } | |
29 | - | |
30 | - public static LoggingFilter loggingFilter() { | |
31 | - return new LoggingFilter(); | |
32 | - } | |
33 | - | |
34 | - public static ProtocolCodecFilter protocolCodecFilter() { | |
35 | -// TextLineCodecFactory factory = new TextLineCodecFactory(Charset.forName("UTF-8"), | |
36 | -// LineDelimiter.WINDOWS.getValue(), LineDelimiter.WINDOWS.getValue()); | |
37 | - | |
38 | - | |
39 | - //TextLineCodecFactory factory = new TextLineCodecFactory(Charset.forName("UTF-8"), LineDelimiter.WINDOWS.getValue(), LineDelimiter.WINDOWS.getValue()); | |
40 | - ProtocolCodecFilter pcf = new ProtocolCodecFilter(new ByteFactory()); | |
41 | - //ProtocolCodecFilter pcf = new ProtocolCodecFilter(factory); | |
42 | - return pcf; | |
43 | - } | |
44 | - | |
45 | - public static void main(String[] args) throws IOException { | |
46 | - /*IoAcceptor nio = new NioSocketAcceptor(); | |
47 | - //设置缓冲区大小 | |
48 | - nio.getSessionConfig().setReadBufferSize(2048); | |
49 | - //设置空闲状态时间,10秒没操作就进入空闲状态 | |
50 | - nio.getSessionConfig().setIdleTime(IdleStatus.BOTH_IDLE, 10); | |
51 | - | |
52 | - DefaultIoFilterChainBuilder def = new DefaultIoFilterChainBuilder(); | |
53 | - def.addLast("executor", executorFilter()); | |
54 | - def.addLast("logger", loggingFilter()); | |
55 | - def.addLast("protocol", protocolCodecFilter()); | |
56 | - | |
57 | - nio.setFilterChainBuilder(def); | |
58 | - nio.setHandler(new MinaServerHandler()); | |
59 | - nio.bind(new InetSocketAddress(9098));*/ | |
60 | - | |
61 | - | |
62 | - | |
63 | - | |
64 | - | |
65 | - //1、创建IoService,拥有监听是否有客户端链接 | |
66 | - IoAcceptor acceptor = new NioSocketAcceptor(); | |
67 | - //设置缓冲区大小 | |
68 | - acceptor.getSessionConfig().setReadBufferSize(2048); | |
69 | - //设置空闲状态时间,10秒没操作就进入空闲状态 | |
70 | - acceptor.getSessionConfig().setIdleTime(IdleStatus.BOTH_IDLE, 10); | |
71 | - | |
72 | - //创建日志过滤器,mina内部使用的是slf4j日志,加入日志之后可以查看mina的运行细节信息 | |
73 | - LoggingFilter log = new LoggingFilter(); | |
74 | - log.setSessionOpenedLogLevel(LogLevel.INFO); | |
75 | - acceptor.getFilterChain().addLast("logger", log); | |
76 | - | |
77 | - //2、实现过滤器 | |
78 | - //acceptor.getFilterChain().addLast("protocol", protocolCodecFilter()); | |
79 | - acceptor.getFilterChain().addLast("protocol", | |
80 | - new ProtocolCodecFilter( | |
81 | - new TextLineCodecFactory(Charset.forName("UTF-8"), LineDelimiter.WINDOWS.getValue(), LineDelimiter.WINDOWS.getValue()) | |
82 | - ) | |
83 | - ); | |
84 | - //3、实现IoHandler,并注册到IoService | |
85 | - acceptor.setHandler(new MinaServerHandler()); | |
86 | - //绑定端口,绑定之前必须设置handler实现类 | |
87 | - acceptor.bind(new InetSocketAddress(9098)); | |
88 | - | |
89 | - | |
90 | - } | |
91 | - | |
92 | -} |
src/main/java/com/example/mina/mina/server/MinaServerHandler.java
... | ... | @@ -1,141 +0,0 @@ |
1 | -package com.example.mina.mina.server; | |
2 | - | |
3 | -import org.apache.mina.core.service.IoHandlerAdapter; | |
4 | -import org.apache.mina.core.session.IoSession; | |
5 | - | |
6 | -import java.io.ByteArrayOutputStream; | |
7 | -import java.io.ObjectOutputStream; | |
8 | -import java.net.SocketAddress; | |
9 | -import java.nio.charset.Charset; | |
10 | -import java.nio.charset.StandardCharsets; | |
11 | - | |
12 | -/** | |
13 | - * @author dy | |
14 | - * @date 2021/3/3 | |
15 | - */ | |
16 | -public class MinaServerHandler extends IoHandlerAdapter { | |
17 | - | |
18 | - @Override | |
19 | - public void messageReceived(IoSession session, Object message) throws Exception { | |
20 | -// String command = new String(ObjectToByte(message)).trim(); | |
21 | -// | |
22 | -// if (command.startsWith("ATTN ALL MAX")) {//set all to max | |
23 | -// for (int i = 1; i < dataBuffer.getMaxRow(); i++) { | |
24 | -// dataBuffer.setOffset(i, dataBuffer.getMaxAtten()); | |
25 | -// } | |
26 | -// | |
27 | -// return NONE; | |
28 | -// } else if (command.startsWith("ATTN?")) {//get | |
29 | -// String[] sss = command.split(" "); | |
30 | -// if (sss.length >= 2) { | |
31 | -// LogUtils.println(sss[0], sss[1]); | |
32 | -// | |
33 | -// int row = StrUtil.toInt(sss[1]); | |
34 | -// if (row >= 0 && row <= dataBuffer.getMaxRow()) { | |
35 | -// String str = String.valueOf(dataBuffer.getOffset(row)); | |
36 | -// LogUtils.println("AeroflexVirtualBoxService::handleCommand return : ", str); | |
37 | -// return str.getBytes(); | |
38 | -// } | |
39 | -// } | |
40 | -// | |
41 | -// return ERROR; | |
42 | -// } else if (command.startsWith("ATTN")) {//Set, Follow by ATTN? | |
43 | -// LogUtils.println("command.startsWith(\"ATTN\")"); | |
44 | -// String[] aa = command.split(";"); | |
45 | -// | |
46 | -// LogUtils.println(aa[0], aa[1]); | |
47 | -// | |
48 | -// String[] sss = aa[0].split(" "); | |
49 | -// StrUtil.printArray(sss); | |
50 | -// | |
51 | -// if (sss.length >= 3) { | |
52 | -// int row = StrUtil.toInt(sss[1]); | |
53 | -// int val = StrUtil.toInt(sss[2]); | |
54 | -// | |
55 | -// System.out.println(row + "/" + val); | |
56 | -// | |
57 | -// | |
58 | -// if (row >= 0 && row <= dataBuffer.getMaxRow()) { | |
59 | -// if (val >= 0 && val <= dataBuffer.getMaxAtten()) { | |
60 | -// dataBuffer.setOffset(row, val); | |
61 | -// | |
62 | -// String str = String.valueOf(dataBuffer.getOffset(row)); | |
63 | -// LogUtils.println("handleCommand return =====> ", str); | |
64 | -// return str.getBytes(); | |
65 | -// } | |
66 | -// } | |
67 | -// } | |
68 | - | |
69 | - //业务代码在这里编写处理 | |
70 | - String str = new String((byte[])message); | |
71 | - System.out.println("The message received is [" + str + "]"); | |
72 | - //获取客户端的连接地址 | |
73 | - SocketAddress socketAddress = session.getRemoteAddress(); | |
74 | - System.out.println(socketAddress); | |
75 | - String send = "消息已处理,你可以去玩了。。。"; | |
76 | - //响应给对应客户端信息 | |
77 | - session.write(send.getBytes()); | |
78 | - session.closeNow(); | |
79 | -// // 此处关闭session后客户端无法接收到服务器反馈的消息 | |
80 | -// if (str.endsWith("quit")) { | |
81 | -// //注意:在这里调用close方法之后,只是关闭当前的tcp连接,server端还正常运行, | |
82 | -// //需要调用IoService的dispose方法才能关闭server端,client端同理 | |
83 | -// | |
84 | -// return; | |
85 | -// } | |
86 | - } | |
87 | - | |
88 | - @Override | |
89 | - public void sessionCreated(IoSession session) throws Exception { | |
90 | - System.out.println("server session created"); | |
91 | - super.sessionCreated(session); | |
92 | - } | |
93 | - | |
94 | - @Override | |
95 | - public void sessionOpened(IoSession session) throws Exception { | |
96 | - System.out.println("server session Opened"); | |
97 | - super.sessionOpened(session); | |
98 | - } | |
99 | - | |
100 | - @Override | |
101 | - public void sessionClosed(IoSession session) throws Exception { | |
102 | - System.out.println("server session Closed"); | |
103 | - super.sessionClosed(session); | |
104 | - } | |
105 | - | |
106 | - /** | |
107 | - * 在IoHandlerAdapter中有一个messageSent的方法,但是重写这个方法之后,不会发送数据,该方法只有数据发送成功之后才会调用, | |
108 | - * 所以在 messageReceived 方法中使用 session.write("消息已处理,你可以去玩了。。。"); 给客户端响应数据 | |
109 | - * | |
110 | - * @param session | |
111 | - * @param message | |
112 | - * @throws Exception | |
113 | - */ | |
114 | - @Override | |
115 | - public void messageSent(IoSession session, Object message) throws Exception { | |
116 | - // TODO Auto-generated method stub | |
117 | - System.out.println("发送数据成功了。。。" + message); | |
118 | - // session.write("testSent"); | |
119 | - super.messageSent(session, message); | |
120 | - } | |
121 | - | |
122 | - private byte[] ObjectToByte(Object obj) { | |
123 | - byte[] bytes = null; | |
124 | - try { | |
125 | - // object to bytearray | |
126 | - ByteArrayOutputStream bo = new ByteArrayOutputStream(); | |
127 | - ObjectOutputStream oo = new ObjectOutputStream(bo); | |
128 | - oo.writeObject(obj); | |
129 | - | |
130 | - bytes = bo.toByteArray(); | |
131 | - | |
132 | - bo.close(); | |
133 | - oo.close(); | |
134 | - } catch (Exception e) { | |
135 | - System.out.println("translation" + e.getMessage()); | |
136 | - e.printStackTrace(); | |
137 | - } | |
138 | - return bytes; | |
139 | - } | |
140 | - | |
141 | -} |
... | ... | @@ -0,0 +1,74 @@ |
1 | +package com.example.mina.util; | |
2 | + | |
3 | +public class StrUtil { | |
4 | + | |
5 | + private static final String[] EMPTY_ARRAY = new String[0]; | |
6 | + | |
7 | + public static void main(String[] args) { | |
8 | + System.out.println(toInt("93")); | |
9 | + | |
10 | +// System.out.println(parseCommaInts("2a")); | |
11 | + | |
12 | + } | |
13 | + | |
14 | + public static int[] parseCommaInts(String str) { | |
15 | + if (str == null) { | |
16 | + return new int[0]; | |
17 | + } | |
18 | + | |
19 | + String[] ss = str.split(","); | |
20 | + int[] ids = new int[ss.length]; | |
21 | + | |
22 | + int count = 0; | |
23 | + for (int i = 0; i < ss.length; i++) { | |
24 | + int p = toInt(ss[i]); | |
25 | + ids[i] = p; | |
26 | + if (p >= 0) { | |
27 | + count++; | |
28 | + } | |
29 | + } | |
30 | + | |
31 | + if (count < ss.length) { | |
32 | + int[] ids2 = new int[count]; | |
33 | + count = 0; | |
34 | + for (int i = 0; i < ss.length; i++) { | |
35 | + if (ids[i] >= 0) { | |
36 | + ids2[count++] = ids[i]; | |
37 | + } | |
38 | + } | |
39 | + | |
40 | + ids = ids2; | |
41 | + } | |
42 | + | |
43 | + return ids; | |
44 | + } | |
45 | + | |
46 | + public static int toInt(String s) { | |
47 | + if (isEmpty(s)) { | |
48 | + return -1; | |
49 | + } | |
50 | + | |
51 | + try { | |
52 | + float f = Float.parseFloat(s.trim()); | |
53 | + return (int) f; | |
54 | + } catch (Exception e) { | |
55 | + e.printStackTrace(); | |
56 | + return -1; | |
57 | + } | |
58 | + | |
59 | + } | |
60 | + | |
61 | + public static void printArray(String[] ssss) { | |
62 | + if (ssss == null) { | |
63 | + System.out.println(" -- NULL --"); | |
64 | + } | |
65 | + for (String s : ssss) { | |
66 | + System.out.println(s); | |
67 | + } | |
68 | + } | |
69 | + | |
70 | + public static boolean isEmpty(String s) { | |
71 | + return s == null || s.trim().isEmpty(); | |
72 | + } | |
73 | + | |
74 | +} | ... | ... |