Java自带web启动框架--com.sun.net.httpserver，使用实例
代码项目简单结构，是一个输入参数并返回解密内容的微服务体系，代码简单看源码基本上直接就懂了
顺子在帝都
1、HttpServerDemo源码实例
package auth;
import auth.Base64;
import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
/**
* 公钥私钥的解码
*
* @author shun
*/
public class Handler64 implements HttpHandler {
public void handle(HttpExchange exchange) throws IOException {
String requestMethod = exchange.getRequestMethod();
if (requestMethod.equalsIgnoreCase("GET")) {
// 设置响应头
Headers responseHeaders = exchange.getResponseHeaders();
responseHeaders.set("Content-Type", "text/plain");
exchange.sendResponseHeaders(200, 0);
OutputStream responseBody = exchange.getResponseBody();
URI requestURI = exchange.getRequestURI();
String rawPath = requestURI.getRawPath();
System.out.println("rawPath: " + rawPath);
String path = requestURI.getPath();
System.out.println("path :" + path);
String query = requestURI.getQuery();
System.out.println("query: " + query);
String[] split = query.split("&");
String auth = "";
for (String str : split) {
System.out.println(str);
String[] split1 = str.split("=");
System.out.println(split1[1]);
String token = split1[1];
auth = Base64.encodeToString(Base64.decode(token, 11), 0).replaceAll("\n", "");
if (split1[0].equalsIgnoreCase("authkey")) {
auth = "authkey:" + auth + ";";
System.out.println("auth:" + auth);
responseBody.write(auth.getBytes());
} else if (split1[0].equalsIgnoreCase("authkey_private")) {
auth = "authkey_private:" + auth;
System.out.println("auth:" + auth);
responseBody.write(auth.getBytes());
} else {
System.out.println();
}
}
responseBody.close();
}
}
}
2、Base64.java
package auth;
import java.io.UnsupportedEncodingException;
/**
* 安卓内部的公钥私钥生成及编码、解码
*
* @author shun
* @since google Andriod package
*/
public class Base64 {
public static final int DEFAULT = 0;
public static final int NO_PADDING = 1;
public static final int NO_WRAP = 2;
public static final int CRLF = 4;
public static final int URL_SAFE = 8;
public static final int NO_CLOSE = 16;
public static byte[] decode(String str, int flags) {
return decode(str.getBytes(), flags);
}
public static byte[] decode(byte[] input, int flags) {
return decode(input, 0, input.length, flags);
}
public static byte[] decode(byte[] input, int offset, int len, int flags) {
Base64.Decoder decoder = new Base64.Decoder(flags, new byte[len * 3 / 4]);
if (!decoder.process(input, offset, len, true)) {
throw new IllegalArgumentException("bad base-64");
} else if (decoder.op == decoder.output.length) {
return decoder.output;
} else {
byte[] temp = new byte[decoder.op];
System.arraycopy(decoder.output, 0, temp, 0, decoder.op);
return temp;
}
}
public static String encodeToString(byte[] input, int flags) {
try {
return new String(encode(input, flags), "US-ASCII");
} catch (UnsupportedEncodingException var3) {
throw new AssertionError(var3);
}
}
public static String encodeToString(byte[] input, int offset, int len, int flags) {
try {
return new String(encode(input, offset, len, flags), "US-ASCII");
} catch (UnsupportedEncodingException var5) {
throw new AssertionError(var5);
}
}
public static byte[] encode(byte[] input, int flags) {
return encode(input, 0, input.length, flags);
}
public static byte[] encode(byte[] input, int offset, int len, int flags) {
Base64.Encoder encoder = new Base64.Encoder(flags, (byte[]) null);
int output_len = len / 3 * 4;
if (encoder.do_padding) {
if (len % 3 > 0) {
output_len += 4;
}
} else {
switch (len % 3) {
case 0:
default:
break;
case 1:
output_len += 2;
break;
case 2:
output_len += 3;
}
}
if (encoder.do_newline && len > 0) {
output_len += ((len - 1) / 57 + 1) * (encoder.do_cr ? 2 : 1);
}
encoder.output = new byte[output_len];
encoder.process(input, offset, len, true);
assert encoder.op == output_len;
return encoder.output;
}
private Base64() {
}
abstract static class Coder {
public byte[] output;
public int op;
Coder() {
}
public abstract boolean process(byte[] var1, int var2, int var3, boolean var4);
public abstract int maxOutputSize(int var1);
}
static class Decoder extends Base64.Coder {
private static final int[] DECODE = new int[]{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -2, -1, -1, -1, 0, 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, -1, -1, -1, -1, -1, -1, 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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
private static final int[] DECODE_WEBSAFE = new int[]{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -2, -1, -1, -1, 0, 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, -1, -1, -1, -1, 63, -1, 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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
private static final int SKIP = -1;
private static final int EQUALS = -2;
private int state;
private int value;
private final int[] alphabet;
public Decoder(int flags, byte[] output) {
this.output = output;
this.alphabet = (flags & 8) == 0 ? DECODE : DECODE_WEBSAFE;
this.state = 0;
this.value = 0;
}
public int maxOutputSize(int len) {
return len * 3 / 4 + 10;
}
public boolean process(byte[] input, int offset, int len, boolean finish) {
if (this.state == 6) {
return false;
} else {
int p = offset;
len += offset;
int state = this.state;
int value = this.value;
int op = 0;
byte[] output = this.output;
int[] alphabet = this.alphabet;
while (p < len) {
if (state == 0) {
while (p + 4 <= len && (value = alphabet[input[p] & 255] << 18 | alphabet[input[p + 1] & 255] << 12 | alphabet[input[p + 2] & 255] << 6 | alphabet[input[p + 3] & 255]) >= 0) {
output[op + 2] = (byte) value;
output[op + 1] = (byte) (value >> 8);
output[op] = (byte) (value >> 16);
op += 3;
p += 4;
}
if (p >= len) {
break;
}
}
int d = alphabet[input[p++] & 255];
switch (state) {
case 0:
if (d >= 0) {
value = d;
++state;
} else if (d != -1) {
this.state = 6;
return false;
}
break;
case 1:
if (d >= 0) {
value = value << 6 | d;
++state;
} else if (d != -1) {
this.state = 6;
return false;
}
break;
case 2:
if (d >= 0) {
value = value << 6 | d;
++state;
} else if (d == -2) {
output[op++] = (byte) (value >> 4);
state = 4;
} else if (d != -1) {
this.state = 6;
return false;
}
break;
case 3:
if (d >= 0) {
value = value << 6 | d;
output[op + 2] = (byte) value;
output[op + 1] = (byte) (value >> 8);
output[op] = (byte) (value >> 16);
op += 3;
state = 0;
} else if (d == -2) {
output[op + 1] = (byte) (value >> 2);
output[op] = (byte) (value >> 10);
op += 2;
state = 5;
} else if (d != -1) {
this.state = 6;
return false;
}
break;
case 4:
if (d == -2) {
++state;
} else if (d != -1) {
this.state = 6;
return false;
}
break;
case 5:
if (d != -1) {
this.state = 6;
return false;
}
}
}
if (!finish) {
this.state = state;
this.value = value;
this.op = op;
return true;
} else {
switch (state) {
case 0:
case 5:
default:
break;
case 1:
this.state = 6;
return false;
case 2:
output[op++] = (byte) (value >> 4);
break;
case 3:
output[op++] = (byte) (value >> 10);
output[op++] = (byte) (value >> 2);
break;
case 4:
this.state = 6;
return false;
}
this.state = state;
this.op = op;
return true;
}
}
}
}
static class Encoder extends Base64.Coder {
public static final int LINE_GROUPS = 19;
private static final byte[] ENCODE = new byte[]{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, 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, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 43, 47};
private static final byte[] ENCODE_WEBSAFE = new byte[]{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, 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, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 45, 95};
private final byte[] tail;
int tailLen;
private int count;
public final boolean do_padding;
public final boolean do_newline;
public final boolean do_cr;
private final byte[] alphabet;
public Encoder(int flags, byte[] output) {
this.output = output;
this.do_padding = (flags & 1) == 0;
this.do_newline = (flags & 2) == 0;
this.do_cr = (flags & 4) != 0;
this.alphabet = (flags & 8) == 0 ? ENCODE : ENCODE_WEBSAFE;
this.tail = new byte[2];
this.tailLen = 0;
this.count = this.do_newline ? 19 : -1;
}
public int maxOutputSize(int len) {
return len * 8 / 5 + 10;
}
public boolean process(byte[] input, int offset, int len, boolean finish) {
byte[] alphabet = this.alphabet;
byte[] output = this.output;
int op = 0;
int count = this.count;
int p = offset;
len += offset;
int v = -1;
int var10000;
switch (this.tailLen) {
case 0:
default:
break;
case 1:
if (offset + 2 <= len) {
var10000 = (this.tail[0] & 255) << 16;
p = offset + 1;
v = var10000 | (input[offset] & 255) << 8 | input[p++] & 255;
this.tailLen = 0;
}
break;
case 2:
if (offset + 1 <= len) {
var10000 = (this.tail[0] & 255) << 16 | (this.tail[1] & 255) << 8;
p = offset + 1;
v = var10000 | input[offset] & 255;
this.tailLen = 0;
}
}
if (v != -1) {
output[op++] = alphabet[v >> 18 & 63];
output[op++] = alphabet[v >> 12 & 63];
output[op++] = alphabet[v >> 6 & 63];
output[op++] = alphabet[v & 63];
--count;
if (count == 0) {
if (this.do_cr) {
output[op++] = 13;
}
output[op++] = 10;
count = 19;
}
}
while (p + 3 <= len) {
v = (input[p] & 255) << 16 | (input[p + 1] & 255) << 8 | input[p + 2] & 255;
output[op] = alphabet[v >> 18 & 63];
output[op + 1] = alphabet[v >> 12 & 63];
output[op + 2] = alphabet[v >> 6 & 63];
output[op + 3] = alphabet[v & 63];
p += 3;
op += 4;
--count;
if (count == 0) {
if (this.do_cr) {
output[op++] = 13;
}
output[op++] = 10;
count = 19;
}
}
if (finish) {
int t;
if (p - this.tailLen == len - 1) {
t = 0;
v = ((this.tailLen > 0 ? this.tail[t++] : input[p++]) & 255) << 4;
this.tailLen -= t;
output[op++] = alphabet[v >> 6 & 63];
output[op++] = alphabet[v & 63];
if (this.do_padding) {
output[op++] = 61;
output[op++] = 61;
}
if (this.do_newline) {
if (this.do_cr) {
output[op++] = 13;
}
output[op++] = 10;
}
} else if (p - this.tailLen == len - 2) {
t = 0;
v = ((this.tailLen > 1 ? this.tail[t++] : input[p++]) & 255) << 10 | ((this.tailLen > 0 ? this.tail[t++] : input[p++]) & 255) << 2;
this.tailLen -= t;
output[op++] = alphabet[v >> 12 & 63];
output[op++] = alphabet[v >> 6 & 63];
output[op++] = alphabet[v & 63];
if (this.do_padding) {
output[op++] = 61;
}
if (this.do_newline) {
if (this.do_cr) {
output[op++] = 13;
}
output[op++] = 10;
}
} else if (this.do_newline && op > 0 && count != 19) {
if (this.do_cr) {
output[op++] = 13;
}
output[op++] = 10;
}
assert this.tailLen == 0;
assert p == len;
} else if (p == len - 1) {
this.tail[this.tailLen++] = input[p];
} else if (p == len - 2) {
this.tail[this.tailLen++] = input[p];
this.tail[this.tailLen++] = input[p + 1];
}
this.op = op;
this.count = count;
return true;
}
}
}
3、Handler.java
package auth;
import auth.Base64;
import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
/**
* 公钥私钥的解码
*
* @author shun
*/
public class Handler64 implements HttpHandler {
public void handle(HttpExchange exchange) throws IOException {
String requestMethod = exchange.getRequestMethod();
if (requestMethod.equalsIgnoreCase("GET")) {
// 设置响应头
Headers responseHeaders = exchange.getResponseHeaders();
responseHeaders.set("Content-Type", "text/plain");
exchange.sendResponseHeaders(200, 0);
OutputStream responseBody = exchange.getResponseBody();
URI requestURI = exchange.getRequestURI();
String rawPath = requestURI.getRawPath();
System.out.println("rawPath: " + rawPath);
String path = requestURI.getPath();
System.out.println("path :" + path);
String query = requestURI.getQuery();
System.out.println("query: " + query);
String[] split = query.split("&");
String auth = "";
for (String str : split) {
System.out.println(str);
String[] split1 = str.split("=");
System.out.println(split1[1]);
String token = split1[1];
auth = Base64.encodeToString(Base64.decode(token, 11), 0).replaceAll("\n", "");
if (split1[0].equalsIgnoreCase("authkey")) {
auth = "authkey:" + auth + ";";
System.out.println("auth:" + auth);
responseBody.write(auth.getBytes());
} else if (split1[0].equalsIgnoreCase("authkey_private")) {
auth = "authkey_private:" + auth;
System.out.println("auth:" + auth);
responseBody.write(auth.getBytes());
} else {
System.out.println();
}
}
responseBody.close();
}
}
}
4、Pair.java
package auth;
import java.util.Objects;
public class Pair {
public final F first;
public final S second;
public Pair(F first, S second) {
this.first = first;
this.second = second;
}
public boolean equals(Object o) {
if (!(o instanceof Pair)) {
return false;
} else {
Pair p = (Pair) o;
return Objects.equals(p.first, this.first) && Objects.equals(p.second, this.second);
}
}
public int hashCode() {
return (this.first == null ? 0 : this.first.hashCode()) ^ (this.second == null ? 0 : this.second.hashCode());
}
public String toString() {
return "Pair{" + String.valueOf(this.first) + " " + this.second + "}";
}
public static Pair create(A a, B b) {
return new Pair(a, b);
}
}
5、好吧就这样以后有时间再来细化一下解释内容吧谢谢