/*
* Copyright 2016 Skynav, Inc. All rights reserved.
* Portions Copyright 2009 Extensible Formatting Systems, Inc (XFSI).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY SKYNAV, INC. AND ITS CONTRIBUTORS “AS IS” AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL SKYNAV, INC. OR ITS CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.xfsi.xav.validation.images.png;
public final class ChunkValidatortIME extends ChunkValidator {
public static final class Spec {
public static final String section = "4.2.8";
static final byte[] header =
ChunkValidatortIME.class.getName().substring(ChunkValidatortIME.class.getName().length() - ChunkValidator.Spec.Props.typeSize,
ChunkValidatortIME.class.getName().length()).getBytes(Utils.getCharset());
public static class Offset {
static final byte data = 0;
static final byte year = 0;
static final byte month = 2;
static final byte day = 3;
static final byte hour = 4;
static final byte minute = 5;
static final byte second = 6;
}
public static class Size {
static final byte data = 7;
static final byte year = 2;
static final byte month = 1;
static final byte day = 1;
static final byte hour = 1;
static final byte minute = 1;
static final byte second = 1;
}
}
void validate() throws PngValidationException {
validateMultipleAllowed(Spec.header);
if (validateDataSize(Spec.Size.data, Spec.section)) {
validateMonth();
validateDay();
validateHour();
validateMinute();
validateSecond();
}
}
private void validateMonth() throws PngValidationException {
byte month = data[Spec.Offset.month];
if ( month < 1 || month > 12)
png.logMsg(PngValidator.MsgCode.PNG01E024, Spec.section);
else
png.logMsg(PngValidator.MsgCode.PNG01I028, null);
}
private void validateDay() throws PngValidationException {
byte day = data[Spec.Offset.day];
if ( day < 1 || day > 31)
png.logMsg(PngValidator.MsgCode.PNG01E025, Spec.section);
else
png.logMsg(PngValidator.MsgCode.PNG01I029, null);
}
private void validateHour() throws PngValidationException {
byte hour = data[Spec.Offset.hour];
if ( hour > 23)
png.logMsg(PngValidator.MsgCode.PNG01E026, Spec.section);
else
png.logMsg(PngValidator.MsgCode.PNG01I030, null);
}
private void validateMinute() throws PngValidationException {
byte minute = data[Spec.Offset.minute];
if ( minute > 59)
png.logMsg(PngValidator.MsgCode.PNG01E027, Spec.section);
else
png.logMsg(PngValidator.MsgCode.PNG01I031, null);
}
private void validateSecond() throws PngValidationException {
byte second = data[Spec.Offset.second];
if ( second > 60)
png.logMsg(PngValidator.MsgCode.PNG01E028, Spec.section);
else
png.logMsg(PngValidator.MsgCode.PNG01I032, null);
}
}