/*license*\
XBN-Java: Copyright (C) 2014, Jeff Epstein (aliteralmind __DASH__ github __AT__ yahoo __DOT__ com)
This software is dual-licensed under the:
- Lesser General Public License (LGPL) version 3.0 or, at your option, any later version;
- Apache Software License (ASL) version 2.0.
Either license may be applied at your discretion. More information may be found at
- http://en.wikipedia.org/wiki/Multi-licensing.
The text of both licenses is available in the root directory of this project, under the names "LICENSE_lgpl-3.0.txt" and "LICENSE_asl-2.0.txt". The latest copies may be downloaded at:
- LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt
- ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
\*license*/
package com.github.xbn.examples.analyze.validate;
import com.github.xbn.lang.RuleType;
import com.github.xbn.analyze.validate.NullnessValidator;
import com.github.xbn.analyze.validate.ValueValidator;
import com.github.xbn.analyze.validate.z.ValueValidator_Cfg;
import com.github.xbn.analyze.validate.NewValueValidatorFor;
/**
<p>Simple custom {@code com.github.xbn.analyze.validate.}{@link com.github.xbn.analyze.validate.ValueValidator ValueValidator} for integers (must be non-{@code null} and equal to 3), and also demonstrates {@link com.github.xbn.analyze.validate.NullnessValidator NullnessValidator}.</p>
<p>{@code java com.github.xbn.examples.analyze.validate.ValueValidatorXmpl}</p>
* @since 0.1.0
* @author Copyright (C) 2014, Jeff Epstein ({@code aliteralmind __DASH__ github __AT__ yahoo __DOT__ com}), dual-licensed under the LGPL (version 3.0 or later) or the ASL (version 2.0). See source code for details. <a href="http://xbnjava.aliteralmind.com">{@code http://xbnjava.aliteralmind.com}</a>, <a href="https://github.com/aliteralmind/xbnjava">{@code https://github.com/aliteralmind/xbnjava}</a>
**/
public class ValueValidatorXmpl {
public static final void main(String[] ignored) {
//Test the values against some pre-built NullnessValidator's
test(NewValueValidatorFor.<Integer>nullBad(null, null));
test(NewValueValidatorFor.<Integer>onlyNullGood(null, null));
//Test them against the custom ValueValidator (at the bottom of this file)
test(new VVOnlyTheNumber3IsValid());
}
//Testing code...START
private static final void test(ValueValidator<Integer> int_validator) {
System.out.println("Rules: " + int_validator.getRules());
testValueForVVI(int_validator, null);
testValueForVVI(int_validator, 3);
testValueForVVI(int_validator, 10);
}
private static final void testValueForVVI(ValueValidator<Integer> int_validator, Integer num) {
System.out.println(" Testing " + num + "...");
System.out.println(" Valid? " + (int_validator.isValid(num) ? "Yes" : "No") + " (source=" + int_validator.getValidResultSource() + ")");
System.out.print(" Crash if bad: ");
try {
int_validator.crashIfBadValue(num, "[thenumberobject]");
System.out.println("(valid)");
} catch(RuntimeException rx) {
System.out.println(rx);
}
}
//Testing code...END
}
class VVOnlyTheNumber3IsValid extends NullnessValidator<Integer> {
public VVOnlyTheNumber3IsValid() {
super(RuleType.RESTRICTED, new ValueValidator_Cfg().nullOk(false).invert(false));
}
public VVOnlyTheNumber3IsValid(VVOnlyTheNumber3IsValid to_copy) {
super(to_copy);
}
public boolean doesFollowRulesPreInvert(Integer num) {
if(!super.doesFollowRulesPreInvert(num)) {
return false;
}
if(num == null) {
//We know it's not null, because "nullOk(false)".
//Putting this here prevents "nullOk(true)" from
//causing a problem in the future.
return true;
}
if(isDebugOn()) { getDebugAptr().appentln("<VVON3> super.doesFollowRulesPreInvert(num) is true. Returning (num == 3)=" + (num == 3) + ""); }
return (num == 3);
}
public VVOnlyTheNumber3IsValid getObjectCopy() {
return (new VVOnlyTheNumber3IsValid(this));
}
public StringBuilder appendRules(StringBuilder to_appendTo) {
return super.appendRules(to_appendTo).append(", only legal value is 3.");
}
}