com.thelastcheck.x937.generator.GenerateX937TestClasses Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2009-2015 The Last Check, LLC, All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.thelastcheck.x937.generator;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.StreamTokenizer;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GenerateX937TestClasses {
private static Logger log = LoggerFactory.getLogger(GenerateX937TestClasses.class);
private String currentClassName = null;
private int currentFieldMax = 0;
private String rulesFiles = null;
private String packageName = null;
private String sourceLocation = null;
private File packageFile = null;
private StringWriter classTop = null;
private StringWriter classMain = null;
private PrintWriter classWriterTop = null;
private PrintWriter classWriterMain = null;
private int fieldArrayCount = 0;
/*
* C,X937CheckDetailRecordImpl F,AuxiliaryOn-Us,C,03,17,15,NBSM
* F,ExternalProcessingCode,C,18,18,1,ANS
*/
public static void main(String[] args) {
GenerateX937TestClasses generator = new GenerateX937TestClasses();
for (int i = 0; i < args.length; i++) {
String string = args[i];
if (string.equals("-f")) {
generator.rulesFiles = args[i + 1];
i++;
}
if (string.equals("-p")) {
generator.packageName = args[i + 1];
i++;
}
if (string.equals("-s")) {
generator.sourceLocation = args[i + 1];
i++;
}
}
if (generator.rulesFiles == null) {
generator.rulesFiles = "./gendata/rules.txt";
}
if (generator.sourceLocation == null) {
generator.sourceLocation = "./";
}
if (generator.packageName == null) {
generator.packageName = "test";
}
String packagePath = generator.packageName.replace('.', '/');
generator.packageFile = new File(generator.sourceLocation, packagePath);
generator.packageFile.mkdirs();
List items = generator.readTokensFromFile(generator.rulesFiles);
for (Iterator iter = items.iterator(); iter.hasNext();) {
String[] element = iter.next();
if (element[0] == null) {
continue;
}
if (element[0].equals("C")) {
generator.newClass(element);
}
if (element[0].equals("F")) {
generator.newField(element);
}
}
if (generator.currentClassName != null) {
generator.flushClass();
}
}
private void flushClass() {
classWriterTop.println(" }");
classWriterTop.println();
classWriterMain.println("}");
PrintStream classStream = null;
File classFile = new File(packageFile, currentClassName + ".java");
if (classFile.exists()) {
classFile.delete();
}
try {
classStream = new PrintStream(new FileOutputStream(classFile));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
classStream.println(classTop.toString());
classStream.println(classMain.toString());
classStream.close();
}
private void newField(String[] fieldArgs) {
String argString = formatArgs(fieldArgs);
if (fieldArgs.length < 8) {
log.warn("Missing field arguments");
log.warn(argString);
}
String fieldNumber = fieldArgs[1];
String fieldName = fieldArgs[2];
String fieldStart = fieldArgs[4];
String fieldLength = fieldArgs[6];
int fieldNumberInt = 0;
try {
fieldNumberInt = Integer.parseInt(fieldNumber);
} catch (NumberFormatException e) {
log.warn("invalid field number value");
log.warn(argString);
}
// skip field one - in base X9.37Record class.
if (fieldNumberInt == 1) {
return;
}
int fieldStartInt = 0;
try {
fieldStartInt = Integer.parseInt(fieldStart);
} catch (NumberFormatException e) {
log.warn("invalid start value");
log.warn(argString);
}
// make it relative to 0.
fieldStartInt--;
classWriterTop.println(
" fields["+fieldArrayCount+"] = " +
"new X9Field(\"" +
fieldName + "\", " +
fieldNumber + ", " +
fieldStartInt + ", " +
fieldLength + ");"
);
classWriterMain.println(" /*");
classWriterMain.println(" * " + argString);
classWriterMain.println(" */");
classWriterMain.println(" public String get" + fieldName + "() {");
classWriterMain.println(" return getFieldAsString(fields["+fieldArrayCount+"]);");
classWriterMain.println(" }");
classWriterMain.println();
classWriterMain.println(" public void set" + fieldName + "(String value) {");
classWriterMain.println(" setField(value, fields["+fieldArrayCount+"]);");
classWriterMain.println(" }");
classWriterMain.println();
fieldArrayCount++;
}
private String formatArgs(String[] fieldArgs) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < fieldArgs.length; i++) {
String string = fieldArgs[i];
if (i > 0) {
sb.append(" : ");
}
if (string == null) {
sb.append("");
} else {
sb.append(string);
}
}
return sb.toString();
}
private void newClass(String[] args) {
String argString = formatArgs(args);
String className = args[1];
if (currentClassName != null) {
flushClass();
}
currentClassName = className;
log.info("Generate class: " + className);
currentFieldMax = 0;
try {
currentFieldMax = Integer.parseInt(args[2]);
} catch (NumberFormatException e) {
log.warn("invalid number of fields value");
log.warn(argString);
}
StringBuffer sb = new StringBuffer();
for (int i = 3; i < args.length; i++) {
if (args[i] != null) {
if (i > 3) {
sb.append("_");
}
sb.append(args[i]);
}
}
classTop = new StringWriter(2048);
classWriterTop = new PrintWriter(classTop);
classMain = new StringWriter(8096);
classWriterMain = new PrintWriter(classMain);
String recordType = sb.toString();
classWriterTop.println("package " + packageName + ";");
classWriterTop.println();
classWriterTop.println("import com.tlc.base.utils.ByteArray;");
classWriterTop.println("import com.tlc.io.x937.records.stddstu.X937Field;");
classWriterTop.println("import com.tlc.io.x937.records.stddstu.X937RecordImpl;");
classWriterTop.println();
classWriterTop.println("/**");
classWriterTop.println(" * @author Jerry Bowman");
classWriterTop.println(" * @copyright (c) 2009, TheLastCheck.com");
classWriterTop.println(" * All Rights Reserved.");
classWriterTop.println(" */");
classWriterTop.println();
classWriterTop.println("public class " + className + " extends X9RecordImpl {");
classWriterTop.println();
classWriterTop.println(" private static int maxFieldNumber = "+currentFieldMax+";");
classWriterTop.println(" private static X9Field fields[] = new X9Field[maxFieldNumber+1];");
classWriterTop.println();
classWriterTop.println(" static {");
classWriterTop.println(" fields[0] = null;");
classWriterTop.println(" fields[1] = recordTypeField;");
fieldArrayCount = 2;
classWriterMain.println(" /*");
classWriterMain.println(" * " + argString);
classWriterMain.println(" */");
classWriterMain.println();
classWriterMain.println(" public " + className + "() {");
classWriterMain.println(" super();");
classWriterMain.println(" setRecordType(X9RecordImpl." + recordType + ");");
classWriterMain.println(" }");
classWriterMain.println();
classWriterMain.println(" public " + className + "(int stdLevel) {");
classWriterMain.println(" super(X9RecordImpl." + recordType + ", stdLevel);");
classWriterMain.println(" }");
classWriterMain.println();
classWriterMain.println(" public " + className + "(String encoding, int stdLevel) {");
classWriterMain.println(" super(X9RecordImpl." + recordType + ", encoding, stdLevel);");
classWriterMain.println(" }");
classWriterMain.println();
classWriterMain.println(" public " + className + "(ByteArray record, int stdLevel) {");
classWriterMain.println(" super(record, stdLevel);");
classWriterMain.println(" }");
classWriterMain.println();
classWriterMain.println(" @Override");
classWriterMain.println(" protected X9Field field(int fieldNumber) {");
classWriterMain.println(" if (fieldNumber < 1 || fieldNumber > maxFieldNumber) {");
classWriterMain.println(" throw new IllegalArgumentException(INVALID_FIELD_NUMBER);");
classWriterMain.println(" }");
classWriterMain.println(" return fields[fieldNumber];");
classWriterMain.println(" }");
classWriterMain.println();
classWriterMain.println();
}
private List readTokensFromFile(String fileName) {
List items = new ArrayList();
try {
FileReader f = new FileReader(fileName);
Reader r = new BufferedReader(f);
StreamTokenizer st = new StreamTokenizer(r);
st.eolIsSignificant(true);
String[] args = new String[8];
int argument = 0;
while (true) {
st.nextToken();
switch (st.ttype) {
case StreamTokenizer.TT_EOF:
break;
case StreamTokenizer.TT_EOL:
if (args[0] != null && args[0].charAt(0) != ';') {
items.add(args);
}
args = new String[8];
argument = 0;
break;
case StreamTokenizer.TT_NUMBER:
if (argument >= 8) {
log.warn("Found too many arguments at " + st.lineno()
+ " value " + st.nval);
} else {
int ival = (int) st.nval;
args[argument++] = Integer.toString(ival);
}
break;
case StreamTokenizer.TT_WORD:
if (argument >= 8) {
log.warn("Found too many arguments at " + st.lineno()
+ " value " + st.sval);
} else {
args[argument++] = st.sval;
}
break;
}
if (st.ttype == StreamTokenizer.TT_EOF) {
break;
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return items;
}
}
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