List of usage examples for java.io FileWriter flush
public void flush() throws IOException
From source file:Main.java
public static void main(String[] args) throws Exception { File file = new File("user.txt"); FileWriter writer = new FileWriter(file, true); writer.write("username=java;password=secret" + System.getProperty("line.separator")); writer.flush(); writer.close();//from ww w . ja va 2 s. com }
From source file:contractEditor.SPConfFileEditor.java
public static void main(String[] args) { JSONObject obj = new JSONObject(); ArrayList fileList = new ArrayList(); fileList.add("confSP" + File.separator + "HOST1.json"); fileList.add("confSP" + File.separator + "HOST2.json"); fileList.add("confSP" + File.separator + "HOST3.json"); fileList.add("confSP" + File.separator + "HOST4.json"); obj.put("contract_list_of_SP", fileList); try {/* w w w . j ava2 s . co m*/ FileWriter file = new FileWriter("confSP" + File.separator + "contractFileList.json"); file.write(obj.toJSONString()); file.flush(); file.close(); } catch (IOException e) { e.printStackTrace(); } System.out.print(obj); }
From source file:contractEditor.contractHOST4.java
public static void main(String[] args) { JSONObject obj = new JSONObject(); obj.put("name", "HOST4"); obj.put("context", "VM-deployment"); //obj.put("Context", new Integer); HashMap serviceDescription = new HashMap(); serviceDescription.put("location", "France"); serviceDescription.put("certificate", "true"); serviceDescription.put("volume", "100_GB"); serviceDescription.put("price", "3_euro"); obj.put("serviceDescription", serviceDescription); HashMap gauranteeTerm = new HashMap(); gauranteeTerm.put("availability", "more_98_percentage"); obj.put("gauranteeTerm", gauranteeTerm); //Constraint1 ArrayList creationConstraint1 = new ArrayList(); ArrayList totalConstraint = new ArrayList(); totalConstraint.add(creationConstraint1); obj.put("creationConstraint", totalConstraint); try {//from w w w . ja v a 2s . c o m FileWriter file = new FileWriter("confSP" + File.separator + "Host4.json"); file.write(obj.toJSONString()); file.flush(); file.close(); } catch (IOException e) { e.printStackTrace(); } System.out.print(obj); /* JSONParser parser = new JSONParser(); try { Object obj2 = parser.parse(new FileReader("confSP\\confHost1.json")); JSONObject jsonObject = (JSONObject) obj2; HashMap serviceDescription2=(HashMap) jsonObject.get("serviceDescription"); method.printHashMap(serviceDescription2); HashMap gauranteeTerm2=(HashMap) jsonObject.get("gauranteeTerm"); method.printHashMap(gauranteeTerm2); ArrayList creationConstraint=(ArrayList) jsonObject.get("creationConstraint"); method.printArrayList(creationConstraint); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (ParseException e) { e.printStackTrace(); } */ }
From source file:json.WriteToFile.java
public static void main(String[] args) { JSONObject countryObj = new JSONObject(); countryObj.put("Name", "Kenya"); countryObj.put("Population", new Integer(430000000)); JSONArray listOfCounties = new JSONArray(); listOfCounties.add("Nairobi"); listOfCounties.add("Kiambu"); listOfCounties.add("Murang'a"); countryObj.put("Counties", listOfCounties); try {/*from w w w .j av a2 s. com*/ //writing to file File file = new File("/home/mars/Desktop/JsonExample1.json"); file.createNewFile(); FileWriter fw = new FileWriter(file); System.out.println("Writing JSON object to file"); System.out.println("---------------------------"); System.out.println(countryObj); fw.write(countryObj + ""); fw.flush(); fw.close(); } catch (IOException e) { e.printStackTrace(); } }
From source file:com.mysql.servlet.NewClass.java
public static void main(String[] args) { JSONObject headerFile = new JSONObject(); JSONArray listOfAttrs = new JSONArray(); listOfAttrs.add("id" + ""); listOfAttrs.add("name" + ""); listOfAttrs.add("age" + ""); listOfAttrs.add("salary" + ""); listOfAttrs.add("grade" + ""); headerFile.put("Employee", listOfAttrs); try {/*from ww w. ja v a2 s. co m*/ // Writing to a file File file = new File("D:\\Employees.json"); file.createNewFile(); FileWriter fileWriter = new FileWriter(file); System.out.println("Writing JSON object to file"); System.out.println("-----------------------"); System.out.print(headerFile); fileWriter.write(headerFile.toJSONString()); fileWriter.flush(); fileWriter.close(); } catch (IOException e) { e.printStackTrace(); } }
From source file:contractEditor.contractHOST1.java
public static void main(String[] args) { JSONObject obj = new JSONObject(); obj.put("name", "HOST1"); obj.put("context", "VM-deployment"); //obj.put("Context", new Integer); HashMap serviceDescription = new HashMap(); serviceDescription.put("location", "France"); serviceDescription.put("certificate", "true"); serviceDescription.put("volume", "100_GB"); serviceDescription.put("price", "6_euro"); obj.put("serviceDescription", serviceDescription); HashMap gauranteeTerm = new HashMap(); gauranteeTerm.put("availability", "more_98_percentage"); obj.put("gauranteeTerm", gauranteeTerm); //Constraint1 HashMap host_rule1 = new HashMap(); HashMap VM_rule1 = new HashMap(); host_rule1.put("ID", "HOST1"); VM_rule1.put("purpose", "test"); ArrayList rule1 = new ArrayList(); rule1.add("prohibition"); rule1.add(host_rule1);/*from w ww .j a v a2 s . c o m*/ rule1.add(VM_rule1); ArrayList policyInConstraint1 = new ArrayList(); policyInConstraint1.add(rule1); ArrayList creationConstraint1 = new ArrayList(); creationConstraint1.add("other"); creationConstraint1.add("true"); creationConstraint1.add("true"); creationConstraint1.add(policyInConstraint1); ArrayList totalConstraint = new ArrayList(); totalConstraint.add(creationConstraint1); obj.put("creationConstraint", totalConstraint); try { FileWriter file = new FileWriter("confSP" + File.separator + "Host1.json"); file.write(obj.toJSONString()); file.flush(); file.close(); } catch (IOException e) { e.printStackTrace(); } System.out.print(obj); /* JSONParser parser = new JSONParser(); try { Object obj2 = parser.parse(new FileReader("confSP\\confHost1.json")); JSONObject jsonObject = (JSONObject) obj2; HashMap serviceDescription2=(HashMap) jsonObject.get("serviceDescription"); method.printHashMap(serviceDescription2); HashMap gauranteeTerm2=(HashMap) jsonObject.get("gauranteeTerm"); method.printHashMap(gauranteeTerm2); ArrayList creationConstraint=(ArrayList) jsonObject.get("creationConstraint"); method.printArrayList(creationConstraint); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (ParseException e) { e.printStackTrace(); } */ }
From source file:contractEditor.contractHOST2.java
public static void main(String[] args) { JSONObject obj = new JSONObject(); obj.put("name", "HOST2"); obj.put("context", "VM-deployment"); //obj.put("Context", new Integer); HashMap serviceDescription = new HashMap(); serviceDescription.put("location", "UK"); serviceDescription.put("certificate", "false"); serviceDescription.put("volume", "200_GB"); serviceDescription.put("price", "5_euro"); obj.put("serviceDescription", serviceDescription); HashMap gauranteeTerm = new HashMap(); gauranteeTerm.put("availability", "more_99_percentage"); obj.put("gauranteeTerm", gauranteeTerm); //Constraint1 HashMap host_rule1 = new HashMap(); HashMap VM_rule1 = new HashMap(); host_rule1.put("ID", "HOST2"); VM_rule1.put("data", "private"); ArrayList rule1 = new ArrayList(); rule1.add("prohibition"); rule1.add(host_rule1);/*from w ww . j ava 2 s . c om*/ rule1.add(VM_rule1); ArrayList policyInConstraint1 = new ArrayList(); policyInConstraint1.add(rule1); ArrayList creationConstraint1 = new ArrayList(); creationConstraint1.add("other"); creationConstraint1.add("true"); creationConstraint1.add("true"); creationConstraint1.add(policyInConstraint1); ArrayList totalConstraint = new ArrayList(); totalConstraint.add(creationConstraint1); obj.put("creationConstraint", totalConstraint); try { FileWriter file = new FileWriter("confSP" + File.separator + "Host2.json"); file.write(obj.toJSONString()); file.flush(); file.close(); } catch (IOException e) { e.printStackTrace(); } System.out.print(obj); /* JSONParser parser = new JSONParser(); try { Object obj2 = parser.parse(new FileReader("confSP\\confHost1.json")); JSONObject jsonObject = (JSONObject) obj2; HashMap serviceDescription2=(HashMap) jsonObject.get("serviceDescription"); method.printHashMap(serviceDescription2); HashMap gauranteeTerm2=(HashMap) jsonObject.get("gauranteeTerm"); method.printHashMap(gauranteeTerm2); ArrayList creationConstraint=(ArrayList) jsonObject.get("creationConstraint"); method.printArrayList(creationConstraint); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (ParseException e) { e.printStackTrace(); } */ }
From source file:contractEditor.contractHOST3.java
public static void main(String[] args) { JSONObject obj = new JSONObject(); obj.put("name", "HOST3"); obj.put("context", "VM-deployment"); //obj.put("Context", new Integer); HashMap serviceDescription = new HashMap(); serviceDescription.put("location", "China"); serviceDescription.put("certificate", "false"); serviceDescription.put("volume", "70_GB"); serviceDescription.put("price", "4_euro"); obj.put("serviceDescription", serviceDescription); HashMap gauranteeTerm = new HashMap(); gauranteeTerm.put("availability", "more_97_percentage"); obj.put("gauranteeTerm", gauranteeTerm); //Constraint1 HashMap host_rule1 = new HashMap(); HashMap VM_rule1 = new HashMap(); host_rule1.put("ID", "HOST3"); VM_rule1.put("application", "internal"); ArrayList rule1 = new ArrayList(); rule1.add("prohibition"); rule1.add(host_rule1);// w w w .jav a 2 s . co m rule1.add(VM_rule1); ArrayList policyInConstraint1 = new ArrayList(); policyInConstraint1.add(rule1); ArrayList creationConstraint1 = new ArrayList(); creationConstraint1.add("other"); creationConstraint1.add("true"); creationConstraint1.add("true"); creationConstraint1.add(policyInConstraint1); ArrayList totalConstraint = new ArrayList(); totalConstraint.add(creationConstraint1); obj.put("creationConstraint", totalConstraint); try { FileWriter file = new FileWriter("confSP" + File.separator + "Host3.json"); file.write(obj.toJSONString()); file.flush(); file.close(); } catch (IOException e) { e.printStackTrace(); } System.out.print(obj); /* JSONParser parser = new JSONParser(); try { Object obj2 = parser.parse(new FileReader("confSP\\confHost1.json")); JSONObject jsonObject = (JSONObject) obj2; HashMap serviceDescription2=(HashMap) jsonObject.get("serviceDescription"); method.printHashMap(serviceDescription2); HashMap gauranteeTerm2=(HashMap) jsonObject.get("gauranteeTerm"); method.printHashMap(gauranteeTerm2); ArrayList creationConstraint=(ArrayList) jsonObject.get("creationConstraint"); method.printArrayList(creationConstraint); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (ParseException e) { e.printStackTrace(); } */ }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getHSQLConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("create table survey (id int,name varchar);"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st.executeUpdate("insert into survey (id,name ) values (2,'anotherValue')"); Statement stmt = conn.createStatement(); String sqlQuery = "SELECT * FROM survey WHERE id='1'"; WebRowSet webRS = new WebRowSetImpl(); webRS.setCommand(sqlQuery);//from w ww . j a v a 2s. com webRS.execute(conn); File file = new File("1.xml"); FileWriter fw = new FileWriter(file); System.out.println("Writing db data to file " + file.getAbsolutePath()); webRS.writeXml(fw); StringWriter sw = new StringWriter(); webRS.writeXml(sw); System.out.println(sw.toString()); fw.flush(); fw.close(); stmt.close(); conn.close(); }
From source file:it.cnr.isti.smartfed.papers.qbrokage.BrokageLockin.java
public static void main(String[] args) throws IOException { String initial = "#evo_step,cost,time,used_dc \n"; String str = initial;/*from www.j a va2 s . c o m*/ AbstractAllocator allocator = null; int seed = 1; /* str = initial; allocator = new GreedyAllocator(); str += executeAndWrite(allocator, numDatacenters); str += "\n"; FileWriter fw1 = new FileWriter(new File("plots/lock-greedy-dc"+ dcToString() + ".dat")); fw1.write(str); fw1.flush(); fw1.close(); */ JGAPMapping.MUTATION = 10; JGAPMapping.POP_SIZE = 50; JGAPMapping.CROSSOVER = 0.35; JGAPMapping.EVOLUTION_STEP = 100; allocator = new GeneticAllocator(); str = initial; // warmup with 5 dcs allocator = new GeneticAllocator(); str += executeAndWrite(allocator, numDatacenters); str += "\n"; FileWriter fw2 = new FileWriter( new File("plots/lock-genetic-dc" + dcToString() + "cross0.35-mut10" + ".dat")); fw2.write(str); fw2.flush(); fw2.close(); }