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little fluent API to shorten boild plate code

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This commit is contained in:
Andreas Billmann
2015-12-17 21:32:52 +01:00
parent 5121b998c5
commit c9d13d4d58
2 changed files with 57 additions and 45 deletions
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74
src/main/java/ninja/javafx/smartcsv/validation/Validator.java
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@@ -32,12 +32,10 @@ import groovy.lang.GroovyShell;
import groovy.lang.Script;
import org.codehaus.groovy.control.CompilationFailedException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import static java.util.Collections.singletonList;
import static org.apache.commons.validator.GenericValidator.*;
/**
@@ -86,20 +84,20 @@ public class Validator {
Config columnConfig = getColumnConfig(columnSectionConfig, column);
if (columnConfig != null) {
List<ValidationMessage> errorMessages = new ArrayList<>();
checkBlankOrNull(columnConfig, value, errorMessages);
ValidationError error = ValidationError.withLineNumber(lineNumber);
checkBlankOrNull(columnConfig, value, error);
if (value != null) {
checkRegularExpression(columnConfig, value, errorMessages);
checkAlphaNumeric(columnConfig, value, errorMessages);
checkDate(columnConfig, value, errorMessages);
checkMaxLength(columnConfig, value, errorMessages);
checkMinLength(columnConfig, value, errorMessages);
checkInteger(columnConfig, value, errorMessages);
checkGroovy(column, columnConfig, value, errorMessages);
checkRegularExpression(columnConfig, value, error);
checkAlphaNumeric(columnConfig, value, error);
checkDate(columnConfig, value, error);
checkMaxLength(columnConfig, value, error);
checkMinLength(columnConfig, value, error);
checkInteger(columnConfig, value, error);
checkGroovy(column, columnConfig, value, error);
}
if (!errorMessages.isEmpty()) {
result = new ValidationError(errorMessages, lineNumber);
if (!error.isEmpty()) {
result = error;
}
}
}
@@ -112,7 +110,7 @@ public class Validator {
// private methods
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
private void checkGroovy(String column, Config columnConfig, String value, List<ValidationMessage> result) {
private void checkGroovy(String column, Config columnConfig, String value, ValidationError error) {
String groovyScript = getString(columnConfig, "groovy");
if (groovyScript != null) {
@@ -130,15 +128,15 @@ public class Validator {
try {
groovyResult = script.run();
} catch (CompilationFailedException e) {
result.add(new ValidationMessage("groovy script '"+groovyScript+"' throws exception: "+e.getMessage()));
error.add("groovy script '"+groovyScript+"' throws exception: "+e.getMessage());
e.printStackTrace();
}
if (groovyResult == null) {
result.add(new ValidationMessage("groovy script '"+groovyScript+"' returns null"));
error.add("groovy script '"+groovyScript+"' returns null");
}
if (!isScriptResultTrue(groovyResult)) {
result.add(new ValidationMessage(groovyResult.toString()));
error.add(groovyResult.toString());
}
}
@@ -148,62 +146,62 @@ public class Validator {
return groovyResult.equals(true) || groovyResult.toString().trim().toLowerCase().equals("true");
}
private void checkBlankOrNull(Config columnConfig, String value, List<ValidationMessage> result) {
private void checkBlankOrNull(Config columnConfig, String value, ValidationError error) {
if (getBoolean(columnConfig, "not empty")) {
if (isBlankOrNull(value)) {
result.add(new ValidationMessage("validation.message.not.empty"));
error.add("validation.message.not.empty");
}
}
}
private void checkInteger(Config columnConfig, String value, List<ValidationMessage> result) {
private void checkInteger(Config columnConfig, String value, ValidationError error) {
if (getBoolean(columnConfig, "integer")) {
if (!isInt(value)) {
result.add(new ValidationMessage("validation.message.integer"));
error.add("validation.message.integer");
}
}
}
private void checkMinLength(Config columnConfig, String value, List<ValidationMessage> result) {
private void checkMinLength(Config columnConfig, String value, ValidationError error) {
Integer minLength = getInteger(columnConfig, "minlength");
if (minLength != null) {
if (!minLength(value, minLength)) {
result.add(new ValidationMessage("has not min length of " + minLength));
error.add("has not min length of " + minLength);
}
}
}
private void checkMaxLength(Config columnConfig, String value, List<ValidationMessage> result) {
private void checkMaxLength(Config columnConfig, String value, ValidationError error) {
Integer maxLength = getInteger(columnConfig, "maxlength");
if (maxLength != null) {
if (!maxLength(value, maxLength)) {
result.add(new ValidationMessage("has not max length of " + maxLength));
error.add("has not max length of " + maxLength);
}
}
}
private void checkDate(Config columnConfig, String value, List<ValidationMessage> result) {
private void checkDate(Config columnConfig, String value, ValidationError error) {
String dateformat = getString(columnConfig, "date");
if (dateformat != null && !dateformat.trim().isEmpty()) {
if (!isDate(value, dateformat, true)) {
result.add(new ValidationMessage("is not a date of format " + dateformat));
error.add("is not a date of format " + dateformat);
}
}
}
private void checkAlphaNumeric(Config columnConfig, String value, List<ValidationMessage> result) {
private void checkAlphaNumeric(Config columnConfig, String value, ValidationError error) {
if (getBoolean(columnConfig, "alphanumeric")) {
if (!matchRegexp(value, "[0-9a-zA-Z]*")) {
result.add(new ValidationMessage("validation.message.alphanumeric"));
error.add("validation.message.alphanumeric");
}
}
}
private void checkRegularExpression(Config columnConfig, String value, List<ValidationMessage> result) {
private void checkRegularExpression(Config columnConfig, String value, ValidationError error) {
String regexp = getString(columnConfig, "regexp");
if (regexp != null && !regexp.trim().isEmpty()) {
if (!matchRegexp(value, regexp)) {
result.add(new ValidationMessage("does not match " + regexp));
error.add("does not match " + regexp);
}
}
}
@@ -239,29 +237,29 @@ public class Validator {
List<String> headerConfig = headerSectionConfig.getStringList("list");
if (headerConfig != null) {
if (headerNames.length != headerConfig.size()) {
result = new ValidationError(singletonList(new ValidationMessage("number of headers is not correct! there are " +
result = ValidationError.withoutLineNumber().add("number of headers is not correct! there are " +
headerNames.length +
" but there should be " +
headerConfig.size())));
headerConfig.size());
return result;
}
List<ValidationMessage> errorMessages = new ArrayList<>();
ValidationError error = ValidationError.withoutLineNumber();
for(int i=0; i<headerConfig.size(); i++) {
String header = headerConfig.get(i);
if (!header.equals(headerNames[i])) {
errorMessages.add(new ValidationMessage("header number " +
error.add("header number " +
i +
" does not match \"" +
header +
"\" should be \"" +
headerNames[i] +
"\""));
"\"");
}
}
if (!errorMessages.isEmpty()) {
result = new ValidationError(errorMessages);
if (!error.isEmpty()) {
result = error;
}
}
}