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304
proto/junk/main.cpp.saf
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304
proto/junk/main.cpp.saf
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#include <common/file.hpp>
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#include <common/profile.hpp>
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#include <common/string.hpp>
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#include <common/block.hpp>
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#include <ClassGen/NameValuePair.hpp>
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class ClassMapper
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{
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public:
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ClassMapper();
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virtual ~ClassMapper();
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bool createClass(const String &packageName,String className,const String &databaseName,const String &tableName,const String &strPathMapFile,const String &strPathTable);
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private:
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bool loadMapping(const String &strPathMapFile);
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bool mapType(const String &type,String &mapped);
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bool createClass(const String &packageName,const String &className,Block<NameValuePair> &variables);
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bool createDataAccess(const String &packageName,const String &className,const String &instanceName,const String &databaseName,const String &tableName,Block<NameValuePair> &variables,Block<NameValuePair> &originals);
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String makeHungarian(const String &name);
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String makeAccessor(const String &name);
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String makeMutator(const String &name);
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String makeFirstUpper(const String &name);
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String makeFirstLower(const String &name);
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Block<NameValuePair> mNameValuePairs;
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};
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ClassMapper::ClassMapper()
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{
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}
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ClassMapper::~ClassMapper()
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{
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}
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bool ClassMapper::createClass(const String &packageName,String className,const String &databaseName,const String &tableName,const String &strPathMapFile,const String &strPathTable)
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{
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File inFile;
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String strLine;
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String name;
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String value;
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String instanceName;
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Block<NameValuePair> variables;
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Block<NameValuePair> originals;
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int errors=0;
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if(!loadMapping(strPathMapFile))return false;
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if(!inFile.open(strPathTable,"rb"))return false;
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while(true)
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{
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inFile.readLine(strLine);
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if(strLine.isNull())break;
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name=strLine.betweenString(0,' ');
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value=strLine.betweenString(' ',' ');
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if(!mapType(value,value))
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{
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printf("Don't know how to map %s\n",value.str());
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errors++;
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continue;
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}
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variables.insert(&NameValuePair(makeHungarian(name),value));
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originals.insert(&NameValuePair(name,value));
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}
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inFile.close();
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if(errors)return false;
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if(!variables.size())return false;
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instanceName=makeFirstLower(className);
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className=makeFirstUpper(className);
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createClass(packageName,className,variables);
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createDataAccess(packageName,className,instanceName,databaseName,tableName,variables,originals);
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printf("generation completed.\n");
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return true;
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}
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bool ClassMapper::createClass(const String &packageName,const String &className,Block<NameValuePair> &variables)
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{
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File outFile;
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if(!outFile.open(className+String(".java"),"wb"))return false;
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if(!packageName.isNull())outFile.writeLine(String("package ")+packageName);
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outFile.writeLine("\t");
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outFile.writeLine("\t");
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outFile.writeLine(String("public class ")+className);
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outFile.writeLine("{");
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for(int index=0;index<variables.size();index++)
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{
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NameValuePair &nameValuePair=variables[index];
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outFile.writeLine(String(" private ")+nameValuePair.getValue()+String(" ")+nameValuePair.getName()+String(";"));
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}
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for(index=0;index<variables.size();index++)
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{
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NameValuePair &nameValuePair=variables[index];
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outFile.writeLine(String(" public ")+nameValuePair.getValue()+String(" ")+makeAccessor(nameValuePair.getName())+String("()"));
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outFile.writeLine(" {");
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outFile.writeLine(String(" return ")+nameValuePair.getName()+String(";"));
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outFile.writeLine(" }");
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outFile.writeLine(String(" public void ")+makeMutator(nameValuePair.getName())+String("(")+nameValuePair.getValue()+String(" ")+nameValuePair.getName()+String(")"));
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outFile.writeLine(" {");
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outFile.writeLine(String(" this.")+nameValuePair.getName()+String("=")+nameValuePair.getName()+String(";"));
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outFile.writeLine(" }");
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}
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outFile.writeLine("};");
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outFile.close();
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return true;
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}
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bool ClassMapper::createDataAccess(const String &packageName,const String &className,const String &instanceName,const String &databaseName,const String &tableName,Block<NameValuePair> &variables,Block<NameValuePair> &originals)
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{
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File outFile;
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String select;
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if(!outFile.open(className+String("DA")+String(".java"),"wb"))return false;
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if(!packageName.isNull())outFile.writeLine(String("package ")+packageName);
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outFile.writeLine("\t");
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outFile.writeLine("\t");
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outFile.writeLine(String("public class ")+className+String("DA"));
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outFile.writeLine("{");
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outFile.writeLine(" public List readAll()throws SQLException");
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outFile.writeLine(" {");
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outFile.writeLine(" Statement statement=null;");
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outFile.writeLine(" ResultSet rs=null;");
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outFile.writeLine(" Connection connection=null;");
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outFile.writeLine(" String strQuery=null;");
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outFile.writeLine(" List list=null;");
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outFile.writeLine("\t");
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outFile.writeLine(" try");
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outFile.writeLine(" {");
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outFile.writeLine(String(" ")+className+String(" ")+instanceName+String(" = new ")+className+String("();"));
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outFile.writeLine(" connection=getConnection();");
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outFile.writeLine(" statement=connection.createStatement();");
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outFile.writeLine(" list=new ArrayList();");
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select=" strQuery=\"select ";
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for(int index=0;index<originals.size();index++)
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{
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select+=originals[index].getName();
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if(index<originals.size()-1)select+=String(", ");
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}
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select+=String(" from ")+tableName+String("\";");
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outFile.writeLine(select);
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outFile.writeLine(" rs=statement.executeQuery(strQuery);");
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outFile.writeLine(" while(rs.next())");
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outFile.writeLine(" {");
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for(index=0;index<variables.size();index++)
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{
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NameValuePair &original=originals[index];
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NameValuePair &variable=variables[index];
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outFile.writeLine(String(" ")+instanceName+String(".")+makeMutator(variable.getName())+String("(rs.get")+makeFirstUpper(variable.getValue())+String("(\"")+original.getName()+String("\"));"));
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}
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outFile.writeLine(String(" list.add(")+instanceName+String(");"));
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outFile.writeLine(" }");
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outFile.writeLine(" return list;");
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outFile.writeLine(" }");
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outFile.writeLine(" finally");
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outFile.writeLine(" {");
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outFile.writeLine(" if(null!=rs)rs.close();");
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outFile.writeLine(" if(null!=statement)statement.close();");
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outFile.writeLine(" }");
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outFile.writeLine(" }");
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outFile.writeLine(" private Connection getConnection()throws SQLException");
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outFile.writeLine(" {");
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outFile.writeLine(" try");
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outFile.writeLine(" {");
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outFile.writeLine(" InitialContext jndiCntx=new InitialContext();");
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outFile.writeLine(String(" DataSource ds=(DataSource)jndiCntx.lookup(\"java:") +databaseName+String("\")"));
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outFile.writeLine(" jndiCntx.close();");
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outFile.writeLine(" return ds.getConnection();");
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outFile.writeLine(" }");
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outFile.writeLine(" catch(NamingException exception)");
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outFile.writeLine(" {");
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outFile.writeLine(" message(\"[getConnection] Object not found\");");
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outFile.writeLine(" throw new EJBException(exception);");
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outFile.writeLine(" }");
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outFile.writeLine(" }");
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outFile.writeLine("};");
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outFile.close();
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return true;
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}
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bool ClassMapper::mapType(const String &type,String &mapped)
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{
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for(int index=0;index<mNameValuePairs.size();index++)
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{
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NameValuePair &nameValuePair=mNameValuePairs[index];
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if(nameValuePair.getName()==type)return mapped=nameValuePair.getValue(),true;
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}
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return false;
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}
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bool ClassMapper::loadMapping(const String &strPathMapFile)
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{
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File inFile;
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String strLine;
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String key;
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String value;
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mNameValuePairs.remove();
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if(!inFile.open(strPathMapFile,"rb"))return false;
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while(true)
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{
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inFile.readLine(strLine);
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if(strLine.isNull())break;
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key=strLine.betweenString(0,'=');
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value=strLine.betweenString('=',0);
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mNameValuePairs.insert(&NameValuePair(key,value));
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}
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return true;
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}
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String ClassMapper::makeHungarian(const String &name)
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{
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String hungarianName;
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int length=name.length();
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for(int index=0;index<length;index++)
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{
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char ch=name.charAt(index);
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if(ch=='_')
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{
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if(index+1>=length)break;
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index++;
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ch=toupper(name.charAt(index));
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hungarianName+=ch;
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}
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else hungarianName+=ch;
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}
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return hungarianName;
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}
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String ClassMapper::makeAccessor(const String &name)
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{
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String str;
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str+="get";
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str+=toupper(name.charAt(0));
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str+=name.substr(1);
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return str;
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}
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String ClassMapper::makeMutator(const String &name)
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{
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String str;
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str+="set";
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str+=toupper(name.charAt(0));
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str+=name.substr(1);
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return str;
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}
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String ClassMapper::makeFirstUpper(const String &name)
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{
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String str;
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str+=toupper(name.charAt(0));
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str+=name.substr(1);
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return str;
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}
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String ClassMapper::makeFirstLower(const String &name)
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{
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String str;
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str+=tolower(name.charAt(0));
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str+=name.substr(1);
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return str;
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}
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#include <common/filemap.hpp>
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#include <common/pview.hpp>
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extern "C"
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{
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bool PASCAL GetTicks(char *pTickers,SYSTEMTIME *pStartDate,SYSTEMTIME *pEndDate,char *pHandle);
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}
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int main(int argc,char **argv)
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{
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SYSTEMTIME startTime;
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SYSTEMTIME endTime;
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char buffer[128];
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::memset(buffer,0,sizeof(buffer));
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GetTicks("IBM",&startTime,&endTime,buffer);
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FileMap fileMap;
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if(!fileMap.open(buffer,0,128))return 0;
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PureViewOfFile pureView(fileMap);
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int size(0);
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pureView.read(size);
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if(7!=argc)
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{
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printf("USAGE: mapclass <packagename><classname><databasename><tablename><pathtomappingtable><pathtotable>\n");
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printf("(ie) mapclass zbi.risk.server.vhi.mapped Historic DRMS dt_main_positions c:\\work\\classgen\\mapping.txt c:\\work\\classgen\\table.txt\n");
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return 0;
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}
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ClassMapper classMapper;
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if(!classMapper.createClass(argv[1],argv[2],argv[3],argv[4],argv[5],argv[6]))return 1;
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return 0;
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}
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