Mercurial > hg > monetdb-java

comparison src/main/java/nl/cwi/monetdb/jdbc/MonetDriver.java.in @ 8:a27ee2cb14a0

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Replace String methods equals("") and "".equals( with isEmpty()
author Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date Thu, 29 Sep 2016 15:29:42 +0200 (2016-09-29)
parents a5a898f6886c
children 5ec116ba7d71
comparison
equal deleted inserted replaced
7:b3ca1157be73 8:a27ee2cb14a0
66 // initialize this class: register it at the DriverManager 66 // initialize this class: register it at the DriverManager
67 // Chapter 9.2 from Sun JDBC 3.0 specification 67 // Chapter 9.2 from Sun JDBC 3.0 specification
68 static { 68 static {
69 try { 69 try {
70 DriverManager.registerDriver(new MonetDriver()); 70 DriverManager.registerDriver(new MonetDriver());
71 } catch (SQLException e) { 71 } catch (SQLException e) {
72 e.printStackTrace(); 72 e.printStackTrace();
73 } 73 }
74 } 74 }
75 75
76 //== methods of interface Driver 76 //== methods of interface Driver
145 145
146 // check the database 146 // check the database
147 String uri_path = uri.getPath(); 147 String uri_path = uri.getPath();
148 if (uri_path != null && uri_path.length() != 0) { 148 if (uri_path != null && uri_path.length() != 0) {
149 uri_path = uri_path.substring(1); 149 uri_path = uri_path.substring(1);
150 if (!uri_path.trim().equals("")) 150 if (!uri_path.trim().isEmpty())
151 info.put("database", uri_path); 151 info.put("database", uri_path);
152 } 152 }
153 153
154 String uri_query = uri.getQuery(); 154 String uri_query = uri.getQuery();
155 if (uri_query != null) { 155 if (uri_query != null) {
356 private static String TypeMapppingSQL = null; // cache to optimise getSQLTypeMap() 356 private static String TypeMapppingSQL = null; // cache to optimise getSQLTypeMap()
357 static String getSQLTypeMap(String column) { 357 static String getSQLTypeMap(String column) {
358 if (TypeMapppingSQL == null) { 358 if (TypeMapppingSQL == null) {
359 // first time, compose TypeMappping SQL string 359 // first time, compose TypeMappping SQL string
360 StringBuilder val = new StringBuilder((typeMap.size() * (7 + 7 + 7 + 4)) + 14); 360 StringBuilder val = new StringBuilder((typeMap.size() * (7 + 7 + 7 + 4)) + 14);
361 for (Entry<String, Integer> entry : typeMap.entrySet()) { 361 for (Entry<String, Integer> entry : typeMap.entrySet()) {
362 val.append(" WHEN '").append(entry.getKey()).append("' THEN ").append(entry.getValue().toString()); 362 val.append(" WHEN '").append(entry.getKey()).append("' THEN ").append(entry.getValue().toString());
363 } 363 }
364 val.append(" ELSE ").append(Types.OTHER).append(" END"); 364 val.append(" ELSE ").append(Types.OTHER).append(" END");
365 // as the typeMap is static, cache this SQL part for all next calls 365 // as the typeMap is static, cache this SQL part for all next calls
366 TypeMapppingSQL = val.toString(); 366 TypeMapppingSQL = val.toString();
367 } 367 }
368 return "CASE " + column + TypeMapppingSQL; 368 return "CASE " + column + TypeMapppingSQL;