JAVA基础知识总结
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一、引言
从测试转JAVA开发已经将近快两年了,正好做项目的时候,有个功能,几乎囊括了所有基础知识点,所以把这段自己写的代码记录下来,算是反馈学习成果。
二、代码
1 public class UdnsAclCommitServiceImpl implements IUdnsAclCommitService 2 { 3 //创建LOGGER日志以供查询 4 private static final Logger LOG = Logger.getLogger(UdnsAclCommitServiceImpl.class); 5 6 @Autowired 7 private UdnsAclCommitDao dao; 8 9 //db数据库 10 @Autowired 11 private UdnsAclGroupDao aclGroupDao; 12 13 //db数据库配置表 14 @Autowired 15 private UdnsAclDbDDao dbDDao; 16 17 //固定列和动态列 18 @Autowired 19 private UdnsAclColDao aclColDao; 20 21 //固定列和动态列配置表 22 @Autowired 23 private UdnsAclColDDao aclColDDao; 24 25 //本省内容ACL 26 @Autowired 27 private UdnsAclCtDao aclCtDao; 28 29 @Autowired 30 private UdnsAclGroupDDao aclCtDDao; 31 32 //获取menu.txt的路径 33 @Value("${menu.filepath}") 34 private String menupath; 35 36 //获取submenu.txt的路径 37 @Value("${submenu.filepath}") 38 private String submenupath; 39 40 /** 41 * 变量 42 */ 43 //1.定义储存消息的变量 44 private String resultMessage; 45 46 /** 47 * 常量: 48 */ 49 //设置UDNS_ACL_COMMIT表中status的值 50 private static final String ACLINVAILDSTATUS = "未生效"; 51 52 private static final String ACLSTATUS = "生效"; 53 54 //增加静态常量空格 55 private static final String NAMESPACE = " "; 56 57 //增加静态常量0和1 58 private static final String ZERO = "0"; 59 60 private static final String ONE = "1"; 61 62 //对固定列进行判断 63 String[] yracl_yracl = { "DIRECTIN", "CTTIN", "CMCCIN" }; 64 65 String[] yracl_gsacl = { "IDC", "CACHE", "CDN", "SELFCMCC" }; 66 67 List<String> yracl_yraclList = Arrays.asList(yracl_yracl); 68 69 List<String> yracl_gsaclList = Arrays.asList(yracl_gsacl); 70 71 /** 72 * 写方法 73 */ 74 75 //数据库ACL生效,要同步修改menu.txt文件的内容 76 @Override 77 public boolean updateMenuTxt() 78 { 79 //1.检查menu.txt是否创建 80 createConf(menupath); 81 82 //2.获取表UDNS_ACL_GROUP中的全部的数据 83 Map<String, Object> params = new HashMap<String, Object>(); 84 List<UdnsAclGroup> UdnsAclGroupList = aclGroupDao.query4List(params); 85 86 //3.写入配置文件中; 87 BufferedWriter bw = null; 88 try 89 { 90 bw = new BufferedWriter(new FileWriter(menupath)); 91 for (UdnsAclGroup udnsAclGroup : UdnsAclGroupList) 92 { 93 bw.write(udnsAclGroup.getGname() + "=" + udnsAclGroup.getGcname()); 94 bw.newLine(); 95 bw.flush(); 96 } 97 98 } 99 catch (IOException e) 100 { 101 LOG.error(e); 102 } 103 finally 104 { 105 if (bw != null) 106 { 107 try 108 { 109 bw.close(); 110 } 111 catch (IOException e) 112 { 113 LOG.error(e); 114 } 115 } 116 } 117 118 return true; 119 } 120 121 //本省内容ACL配置生效,要同步修改submenu.txt文件的内容。 122 @Override 123 public boolean updateSubMenuTxt() 124 { 125 //1.检查submenu.txt是否创建 126 createConf(submenupath); 127 128 //2.获取表UDNS_ACL_CT中的全部数据 129 Map<String, Object> params = new HashMap<String, Object>(); 130 List<UdnsAclCt> udnsAclCtList = aclCtDao.query4List(params); 131 132 //3.写入配置文件中; 133 BufferedWriter bw = null; 134 try 135 { 136 bw = new BufferedWriter(new FileWriter(submenupath)); 137 138 for (UdnsAclCt udnsAclCt : udnsAclCtList) 139 { 140 bw.write(udnsAclCt.getCid() + "=" + udnsAclCt.getCtcname()); 141 bw.newLine(); 142 bw.flush(); 143 } 144 145 } 146 catch (IOException e) 147 { 148 LOG.error(e); 149 } 150 finally 151 { 152 if (bw != null) 153 { 154 try 155 { 156 bw.close(); 157 } 158 catch (IOException e) 159 { 160 LOG.error(e); 161 } 162 } 163 } 164 165 return true; 166 } 167 168 @Override 169 public Map<String, Object> checkAndCreateConfs() 170 { 171 Map<String, Object> result = new HashMap<String, Object>(); 172 173 List<String> checkIpsegExist = checkIpsegExist(); 174 if (!checkIpsegExist.isEmpty()) 175 { 176 result.put("message", checkIpsegExist); 177 } 178 else 179 { 180 boolean createConfs = createConfs(); 181 result.put("status", createConfs); 182 } 183 184 return result; 185 } 186 187 /** 188 * 检查四种类型配置的IPSEG是否存在 189 * 190 * @return 191 */ 192 193 public List<String> checkIpsegExist() 194 { 195 List<String> list = new ArrayList<String>(); 196 //1.获取UDNS_ACL_COMMIT表中状态为“未生效”的记录 197 Map<String, Object> params = new HashMap<String, Object>(); 198 params.put("status", ACLINVAILDSTATUS); 199 List<UdnsAclCommit> invaildAclList = dao.query4List(params); 200 201 //2.遍历invaildAclList,逐个生成文件 202 for (UdnsAclCommit acl : invaildAclList) 203 { 204 switch (acl.getAcltype()) 205 { 206 case "数据库ACL": 207 list.addAll(checkDbIpseg()); 208 break; 209 case "固定列ACL": 210 list.addAll(checkFixedIpseg()); 211 break; 212 case "动态列ACL": 213 list.addAll(checkNonFixedIpseg()); 214 break; 215 case "本省内容ACL": 216 list.addAll(checkAclCtIpseg()); 217 break; 218 default: 219 break; 220 } 221 } 222 223 return list; 224 } 225 226 private List<String> checkAclCtIpseg() 227 { 228 List<String> list = new ArrayList<String>(); 229 230 //1.1.获取表UDNS_ACL_CT中的全部的数据 231 Map<String, Object> params = new HashMap<String, Object>(); 232 List<UdnsAclCt> udnsAclCt4List = aclCtDao.query4List(params); 233 234 for (UdnsAclCt udnsAclCt : udnsAclCt4List) 235 { 236 if (checkNraclIpsegExist(udnsAclCt.getCtid()) == 0) 237 { 238 list.add("本省内容ACL对应的 " + udnsAclCt.getCtname() + " 没有配置相应的IP段,无法进行配置生效!"); 239 } 240 } 241 242 return list; 243 } 244 245 private List<String> checkNonFixedIpseg() 246 { 247 List<String> list = new ArrayList<String>(); 248 249 //1.1.获取表UDNS_ACL_COL中的全部的数据 250 Map<String, Object> params = new HashMap<String, Object>(); 251 params.put("coltype", ONE); 252 List<UdnsAclCol> udnsAclColList = aclColDao.query4List(params); 253 254 for (UdnsAclCol udnsAclCol : udnsAclColList) 255 { 256 if (CheckYraclIpsegExist(udnsAclCol.getCid()) == 0) 257 { 258 list.add("动态列ACL对应的 " + udnsAclCol.getColname() + " 没有配置相应的IP段,无法进行配置生效!"); 259 } 260 } 261 262 return list; 263 } 264 265 private List<String> checkFixedIpseg() 266 { 267 List<String> list = new ArrayList<String>(); 268 269 //1.1.获取表UDNS_ACL_COL中的全部的数据 270 Map<String, Object> params = new HashMap<String, Object>(); 271 params.put("coltype", ZERO); 272 List<UdnsAclCol> udnsAclColList = aclColDao.query4List(params); 273 274 for (UdnsAclCol udnsAclCol : udnsAclColList) 275 { 276 if (CheckYraclIpsegExist(udnsAclCol.getCid()) == 0) 277 { 278 list.add("固定列ACL对应的 " + udnsAclCol.getColname() + " 没有配置相应的IP段,无法进行配置生效!"); 279 } 280 } 281 return list; 282 } 283 284 private List<String> checkDbIpseg() 285 { 286 List<String> list = new ArrayList<String>(); 287 //1.1.获取表UDNS_ACL_GROUP中的全部的数据 288 Map<String, Object> params = new HashMap<String, Object>(); 289 List<UdnsAclGroup> UdnsAclGroupList = aclGroupDao.query4List(params); 290 291 for (UdnsAclGroup udnsAclGroup : UdnsAclGroupList) 292 { 293 if (checkDbIpsegExist(udnsAclGroup.getGid()) == 0) 294 { 295 list.add("db库ACL对应的 " + udnsAclGroup.getGname() + " 没有配置相应的IP段,无法进行配置生效!"); 296 } 297 } 298 299 return list; 300 } 301 302 /** 303 * 创建配置文件方法 304 * 305 * @return 306 */ 307 308 public boolean createConfs() 309 { 310 boolean createSuccess = false; 311 312 //1.获取UDNS_ACL_COMMIT表中状态为“未生效”的记录 313 Map<String, Object> params = new HashMap<String, Object>(); 314 params.put("status", ACLINVAILDSTATUS); 315 List<UdnsAclCommit> invaildAclList = dao.query4List(params); 316 317 //2.遍历invaildAclList,逐个生成文件 318 for (UdnsAclCommit acl : invaildAclList) 319 { 320 switch (acl.getAcltype()) 321 { 322 323 case "数据库ACL": 324 createSuccess = createDbConf(acl.getFilepath()); 325 updateAclCommit(acl.getAcltype()); 326 break; 327 case "固定列ACL": 328 createSuccess = createYraclConf(acl.getFilepath()); 329 updateAclCommit(acl.getAcltype()); 330 break; 331 case "动态列ACL": 332 createSuccess = createGsaclConf(acl.getFilepath()); 333 updateAclCommit(acl.getAcltype()); 334 break; 335 case "本省内容ACL": 336 createSuccess = createNraclConf(acl.getFilepath()); 337 updateAclCommit(acl.getAcltype()); 338 break; 339 default: 340 break; 341 } 342 updateMenuTxt(); 343 updateSubMenuTxt(); 344 } 345 return createSuccess; 346 } 347 348 public void updateAclCommit(final String acltype) 349 { 350 Map<String, Object> params = new HashMap<String, Object>(); 351 Date date = new Date(); 352 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 353 String lastcommittime = sdf.format(date); 354 params.put("lastcommit", lastcommittime); 355 params.put("acltype", acltype); 356 params.put("status", ACLSTATUS); 357 dao.update(params); 358 } 359 360 private boolean createNraclConf(final String filepath) 361 { 362 //1.判断文件是否存在,存在直接覆盖,不存在则创建文件; 363 createConf(filepath); 364 LOG.debug("=====NRACLCONF文件创建成功且已存在====="); 365 366 //2.写入配置文件中; 367 BufferedWriter bw = null; 368 369 //3.1.获取表UDNS_ACL_CT中的全部的数据 370 Map<String, Object> params = new HashMap<String, Object>(); 371 List<UdnsAclCt> udnsAclCt4List = aclCtDao.query4List(params); 372 373 try 374 { 375 bw = new BufferedWriter(new FileWriter(filepath)); 376 LOG.debug("=====将数据写入NRACLCONF文件====="); 377 378 //3.2 遍历ctid,联合查询表,获取相应的数据 379 for (UdnsAclCt udnsAclCt : udnsAclCt4List) 380 { 381 382 bw.write("nracl" + NAMESPACE + "{"); 383 bw.newLine(); 384 bw.write(" name" + NAMESPACE + udnsAclCt.getCtname() + ";"); 385 bw.newLine(); 386 bw.write(" cname" + NAMESPACE + udnsAclCt.getCtcname() + ";"); 387 bw.newLine(); 388 bw.write(" cid" + NAMESPACE + udnsAclCt.getCid() + ";"); 389 bw.newLine(); 390 391 //3.3 根据ctid查询相应的IPSEG; 392 Map<String, Object> par = new HashMap<String, Object>(); 393 par.put("ctid", udnsAclCt.getCtid()); 394 List<UdnsAclCt> unionList = aclCtDao.selectByUnion(par); 395 396 for (UdnsAclCt udnsAclCt2 : unionList) 397 { 398 bw.write(" " + udnsAclCt2.getIpseg() + checkSemicolon(udnsAclCt2.getIpseg())); 399 bw.newLine(); 400 } 401 bw.write("}"); 402 bw.newLine(); 403 bw.flush(); 404 405 } 406 LOG.debug("=====写入NRACLCONF成功====="); 407 } 408 catch (IOException e) 409 { 410 LOG.error(e); 411 } 412 finally 413 { 414 if (bw != null) 415 { 416 try 417 { 418 bw.close(); 419 } 420 catch (IOException e) 421 { 422 LOG.error(e); 423 } 424 } 425 } 426 427 return true; 428 } 429 430 private boolean createGsaclConf(final String filepath) 431 { 432 //1.判断文件是否存在,存在直接覆盖,不存在则创建文件; 433 createConf(filepath); 434 LOG.debug("=====动态COLCONF文件创建成功且已存在====="); 435 436 //2.写入配置文件中; 437 BufferedWriter bw = null; 438 439 //3.1.获取表UDNS_ACL_COL中的全部的数据 440 Map<String, Object> params = new HashMap<String, Object>(); 441 params.put("coltype", ONE); 442 List<UdnsAclCol> udnsAclColList = aclColDao.query4List(params); 443 444 try 445 { 446 bw = new BufferedWriter(new FileWriter(filepath)); 447 LOG.debug("=====将数据写入动态COLCONF文件====="); 448 449 //3.2 遍历CID,联合查询表,获取相应的数据 450 for (UdnsAclCol udnsAclCol : udnsAclColList) 451 { 452 453 bw.write("gsacl" + NAMESPACE + "{"); 454 bw.newLine(); 455 456 bw.write(" name" + NAMESPACE + udnsAclCol.getColname() + ";"); 457 bw.newLine(); 458 bw.write(" cname" + NAMESPACE + udnsAclCol.getColcname() + ";"); 459 bw.newLine(); 460 461 //3.3 根据gid查询相应的IPSEG; 462 Map<String, Object> par = new HashMap<String, Object>(); 463 par.put("cid", udnsAclCol.getCid()); 464 par.put("coltype", ONE); 465 List<UdnsAclCol> unionList = aclColDao.selectByUnion(par); 466 for (UdnsAclCol udnsAclCol2 : unionList) 467 { 468 bw.write(" " + udnsAclCol2.getIpseg() + checkSemicolon(udnsAclCol2.getIpseg())); 469 bw.newLine(); 470 } 471 bw.write("}"); 472 bw.newLine(); 473 bw.flush(); 474 475 } 476 LOG.debug("=====写入动态COLCONF成功====="); 477 } 478 catch (IOException e) 479 { 480 LOG.error(e); 481 } 482 finally 483 { 484 if (bw != null) 485 { 486 try 487 { 488 bw.close(); 489 } 490 catch (IOException e) 491 { 492 LOG.error(e); 493 } 494 } 495 } 496 497 return true; 498 } 499 500 public boolean createYraclConf(final String filepath) 501 { 502 //1.判断文件是否存在,存在直接覆盖,不存在则创建文件; 503 createConf(filepath); 504 LOG.debug("=====固定COLCONF文件创建成功且已存在====="); 505 506 //2.写入配置文件中; 507 BufferedWriter bw = null; 508 509 //3.1.获取表UDNS_ACL_COL中的全部的数据 510 Map<String, Object> params = new HashMap<String, Object>(); 511 params.put("coltype", ZERO); 512 List<UdnsAclCol> udnsAclColList = aclColDao.query4List(params); 513 514 try 515 { 516 bw = new BufferedWriter(new FileWriter(filepath)); 517 518 LOG.debug("=====将数据写入固定COLCONF文件====="); 519 520 //3.2 遍历CID,联合查询表,获取相应的数据 521 for (UdnsAclCol udnsAclCol : udnsAclColList) 522 { 523 524 //3.3. 对固定列的内容进行判断 525 526 if (yracl_yraclList.contains(udnsAclCol.getColname())) 527 { 528 bw.write("yracl" + NAMESPACE + "{"); 529 } 530 else if (yracl_gsaclList.contains(udnsAclCol.getColname())) 531 { 532 bw.write("gsacl" + NAMESPACE + "{"); 533 } 534 else 535 { 536 //throw new Exception("固定列的名称:" + udnsAclCol.getColname() + "不属于固定列的范围!!"); 537 return false; 538 } 539 540 bw.newLine(); 541 542 bw.write(" name" + NAMESPACE + udnsAclCol.getColname() + ";"); 543 bw.newLine(); 544 bw.write(" cname" + NAMESPACE + udnsAclCol.getColcname() + ";"); 545 bw.newLine(); 546 547 //3.4 根据gid查询相应的IPSEG; 548 Map<String, Object> par = new HashMap<String, Object>(); 549 par.put("cid", udnsAclCol.getCid()); 550 par.put("coltype", ZERO); 551 List<UdnsAclCol> unionList = aclColDao.selectByUnion(par); 552 for (UdnsAclCol udnsAclCol2 : unionList) 553 { 554 bw.write(" " + udnsAclCol2.getIpseg() + checkSemicolon(udnsAclCol2.getIpseg())); 555 bw.newLine(); 556 } 557 bw.write("}"); 558 bw.newLine(); 559 bw.flush(); 560 561 } 562 LOG.debug("=====写入固定COLCONF成功====="); 563 } 564 catch (Exception e) 565 { 566 LOG.error(e); 567 } 568 finally 569 { 570 if (bw != null) 571 { 572 try 573 { 574 bw.close(); 575 } 576 catch (IOException e) 577 { 578 LOG.error(e); 579 } 580 } 581 } 582 583 return true; 584 } 585 586 public boolean createDbConf(final String filepath) 587 { 588 //1.判断文件是否存在,存在直接覆盖,不存在则创建文件; 589 createConf(filepath); 590 LOG.debug("=====DBCONF文件创建成功且已存在====="); 591 592 //2.写入配置文件中; 593 BufferedWriter bw = null; 594 595 //3.1.获取表UDNS_ACL_GROUP中的全部的数据 596 Map<String, Object> params = new HashMap<String, Object>(); 597 List<UdnsAclGroup> UdnsAclGroupList = aclGroupDao.query4List(params); 598 599 try 600 { 601 bw = new BufferedWriter(new FileWriter(filepath)); 602 //3.2 遍历gid,联合查询表,获取相应的数据 603 LOG.debug("=====将数据写入DBCONF文件====="); 604 for (UdnsAclGroup udnsAclGroup : UdnsAclGroupList) 605 { 606 bw.write("db" + NAMESPACE + "{"); 607 bw.newLine(); 608 //判断是否包含“.db”该字符串 609 String includedb = !udnsAclGroup.getGname().contains(".db") ? ".db" : ""; 610 bw.write(" name" + NAMESPACE + udnsAclGroup.getGname() + includedb + ";"); 611 bw.newLine(); 612 613 //3.3根据gid查询对应的记录 614 Map<String, Object> par = new HashMap<String, Object>(); 615 par.put("gid", udnsAclGroup.getGid()); 616 List<UdnsAclGroup> unionList = aclGroupDao.selectByUnion(par); 617 for (UdnsAclGroup udnsAclGroup2 : unionList) 618 { 619 bw.write(" " + udnsAclGroup2.getIpseg() + checkSemicolon(udnsAclGroup2.getIpseg())); 620 bw.newLine(); 621 } 622 bw.write("}"); 623 bw.newLine(); 624 bw.flush(); 625 626 } 627 628 LOG.debug("=====写入DBCONF成功====="); 629 } 630 catch (IOException e) 631 { 632 LOG.error(e); 633 } 634 finally 635 { 636 if (bw != null) 637 { 638 try 639 { 640 bw.close(); 641 } 642 catch (IOException e) 643 { 644 LOG.error(e); 645 } 646 } 647 } 648 649 return true; 650 } 651 652 private int checkNraclIpsegExist(final String ctid) 653 { 654 Map<String, Object> params = new HashMap<String, Object>(); 655 params.put("ctid", ctid); 656 int count = aclCtDDao.selectByIpsegCount(params); 657 return count; 658 } 659 660 private int CheckYraclIpsegExist(final String cid) 661 { 662 Map<String, Object> params = new HashMap<String, Object>(); 663 params.put("cid", cid); 664 int count = aclColDDao.selectByIpsegCount(params); 665 return count; 666 } 667 668 private int checkDbIpsegExist(final String gid) 669 { 670 Map<String, Object> params = new HashMap<String, Object>(); 671 params.put("gid", gid); 672 int count = dbDDao.selectByIpsegCount(params); 673 return count; 674 } 675 676 //检查IP段是否包含分号判断 677 private static String checkSemicolon(final String semicolon) 678 { 679 return semicolon.contains(";") ? "" : ";"; 680 } 681 682 private static void createConf(final String filepath) 683 { 684 File file = new File(filepath); 685 if (!file.exists()) 686 { 687 try 688 { 689 file.createNewFile(); 690 } 691 catch (IOException e) 692 { 693 LOG.error(e); 694 } 695 } 696 697 } 698 699 @Override 700 public boolean update_all(final String acltype) 701 { 702 703 Map<String, Object> params = new HashMap<String, Object>(); 704 Date date = new Date(); 705 SimpleDateFormat sdf = new SimpleDateFormat(Constant.FULL_DATE_FORMAT); 706 String lastcommittime = sdf.format(date); 707 params.put("acltype", acltype); 708 params.put("status", "未生效"); 709 //params.put("modname", "yd_super"); 710 //获取用户名 711 User loginUser = QueryUtil.getLoginUser(); 712 params.put("modname", loginUser.getLoginName()); 713 params.put("lastmodify", lastcommittime); 714 return dao.update(params); 715 } 716 717 @Override 718 public Page<UdnsAclCommit> query4Page(final Map<String, Object> params, final int PageNo, final int PageSize) 719 { 720 return dao.query4Page(params, PageNo, PageSize); 721 } 722 723 @Override 724 public List<UdnsAclCommit> query4List(final Map<String, Object> params) 725 { 726 return dao.query4List(params); 727 }
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