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A java framework to develop web applications
/*
* Copyright 2014-2017 Web Firm Framework
*
* 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.
* @author WFF
*/
package com.webfirmframework.wffweb.css;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import com.webfirmframework.wffweb.InvalidValueException;
import com.webfirmframework.wffweb.NullValueException;
import com.webfirmframework.wffweb.css.core.AbstractCssProperty;
import com.webfirmframework.wffweb.util.CssLengthUtil;
import com.webfirmframework.wffweb.util.TagStringUtil;
/**
*
* border-spacing: length|initial|inherit;
*
* The border-spacing property sets the distance between the borders of adjacent cells (only for the "separated borders" model).
* Default value: 0
* Inherited: yes
* Animatable: yes
* Version: CSS2
* JavaScript syntax: object.style.borderSpacing="15px"
*
*
* @author WFF
* @since 1.0.0
*/
public class BorderSpacing extends AbstractCssProperty {
private static final long serialVersionUID = 1_0_0L;
public static final String INITIAL = "initial";
public static final String INHERIT = "inherit";
private static final List PREDEFINED_CONSTANTS = Arrays
.asList(INITIAL, INHERIT);
private String cssValue;
private Float horizontalValue;
private CssLengthUnit horizontalCssLengthUnit;
private Float verticalValue;
private CssLengthUnit verticalCssLengthUnit;
/**
* The {@code 0px} will be set as the value
*/
public BorderSpacing() {
setCssValue("0px");
}
/**
* @param cssValue
* the css value to set.
*/
public BorderSpacing(final String cssValue) {
setCssValue(cssValue);
}
/**
* @param widthtCss
* the {@code WidthCss} object from which the cssValue to
* set.And, {@code null} will throw {@code NullValueException}
*/
public BorderSpacing(final BorderSpacing borderSpacing) {
if (borderSpacing == null) {
throw new NullValueException("borderSpacing can not be null");
}
setCssValue(borderSpacing.getCssValue());
}
/**
* @param horizontalVerticalValue
* the value to set.
* @param the
* value unit to set.
* @since 1.0.0
* @author WFF
*/
public BorderSpacing(final float horizontalVerticalValue,
final CssLengthUnit cssLengthUnit) {
horizontalValue = verticalValue = Float
.valueOf(horizontalVerticalValue);
horizontalCssLengthUnit = verticalCssLengthUnit = cssLengthUnit;
cssValue = horizontalVerticalValue + "" + cssLengthUnit;
}
/**
* @param horizontalValue
* @param horizontalCssLengthUnit
* @param verticalValue
* @param verticalCssLengthUnit
* @return
* @author WFF
* @since 1.0.0
*/
public BorderSpacing(final float horizontalValue,
final CssLengthUnit horizontalCssLengthUnit,
final float verticalValue,
final CssLengthUnit verticalCssLengthUnit) {
this.horizontalValue = Float.valueOf(horizontalValue);
this.verticalValue = Float.valueOf(verticalValue);
this.horizontalCssLengthUnit = horizontalCssLengthUnit;
this.verticalCssLengthUnit = verticalCssLengthUnit;
if (horizontalValue == verticalValue && Objects
.equals(horizontalCssLengthUnit, verticalCssLengthUnit)) {
cssValue = horizontalValue + "" + horizontalCssLengthUnit;
} else {
final StringBuilder sb = new StringBuilder();
sb.append(horizontalValue);
sb.append(horizontalCssLengthUnit);
sb.append(' ');
sb.append(verticalValue);
sb.append(verticalCssLengthUnit);
cssValue = sb.toString();
}
}
/**
* @param horizontalValue
* @param horizontalCssLengthUnit
* @param verticalValue
* @param verticalCssLengthUnit
* @return
* @author WFF
* @since 1.0.0
*/
public BorderSpacing setValue(final float horizontalValue,
final CssLengthUnit horizontalCssLengthUnit,
final float verticalValue,
final CssLengthUnit verticalCssLengthUnit) {
this.horizontalValue = Float.valueOf(horizontalValue);
this.verticalValue = Float.valueOf(verticalValue);
this.horizontalCssLengthUnit = horizontalCssLengthUnit;
this.verticalCssLengthUnit = verticalCssLengthUnit;
if (horizontalValue == verticalValue && Objects
.equals(horizontalCssLengthUnit, verticalCssLengthUnit)) {
cssValue = horizontalValue + "" + horizontalCssLengthUnit;
} else {
final StringBuilder sb = new StringBuilder();
sb.append(horizontalValue);
sb.append(horizontalCssLengthUnit);
sb.append(' ');
sb.append(verticalValue);
sb.append(verticalCssLengthUnit);
cssValue = sb.toString();
}
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
/**
* @param horizontalVerticalValue
* @param cssLengthUnit
* @return the current object
* @since 1.0.0
* @author WFF
*/
public BorderSpacing setValue(final float horizontalVerticalValue,
final CssLengthUnit cssLengthUnit) {
horizontalValue = verticalValue = Float
.valueOf(horizontalVerticalValue);
horizontalCssLengthUnit = verticalCssLengthUnit = cssLengthUnit;
cssValue = horizontalVerticalValue + "" + cssLengthUnit;
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
/*
* (non-Javadoc)
*
* @see com.webfirmframework.wffweb.css.CssProperty#getCssName()
*
* @since 1.0.0
*
* @author WFF
*/
@Override
public String getCssName() {
return CssNameConstants.BORDER_SPACING;
}
/*
* (non-Javadoc)
*
* @see com.webfirmframework.wffweb.css.CssProperty#getCssValue()
*
* @since 1.0.0
*
* @author WFF
*/
@Override
public String getCssValue() {
return cssValue;
}
@Override
public String toString() {
return getCssName() + ": " + getCssValue();
}
/**
* gets the horizontal value in float value.
* {@code BorderSpacing#getHorizontalUnit()} should be used to get the
* cssLengthUnit for this value.
*
* @return the horizontal value in float or {@code null} if the value is any
* inbuilt value like {@code inherit}.
* @since 1.0.0
* @author WFF
*/
public Float getHorizontalValue() {
return horizontalValue;
}
/**
* gets the vertical value in float value.
* {@code BorderSpacing#getVerticalUnit()} should be used to get the
* cssLengthUnit for this value.
*
* @return the vertical value in float or {@code null} if the value is any
* inbuilt value like {@code inherit}.
* @since 1.0.0
* @author WFF
*/
public Float getVerticalValue() {
return verticalValue;
}
/**
* @return the cssLengthUnit {@code PX}/{@code PER}, or {@code null} if the
* value is any inbuilt value like {@code inherit}.
* @since 1.0.0
* @author WFF
*/
public CssLengthUnit getHorizontalUnit() {
return horizontalCssLengthUnit;
}
/**
* @return the cssLengthUnit {@code PX}/{@code PER}, or {@code null} if the
* value is any inbuilt value like {@code inherit}.
* @since 1.0.0
* @author WFF
*/
public CssLengthUnit getVerticalUnit() {
return verticalCssLengthUnit;
}
/**
* @param cssValue
* the value should be in the format of 55px or
* 95%. {@code null} is considered as an invalid
* value and it will throw {@code NullValueException}.
* @since 1.0.0
* @author WFF
*/
@Override
public BorderSpacing setCssValue(final String cssValue) {
try {
if (cssValue == null) {
throw new NullValueException(
"null is an invalid value. The value format should be as for example 75px or 85%. Or, initial/inherit.");
} else {
final String trimmedCssValue = TagStringUtil
.toLowerCase(cssValue.trim());
boolean invalidValue = true;
final String[] lengthValues = trimmedCssValue.split(" ");
if (lengthValues.length == 1) {
if (trimmedCssValue.equalsIgnoreCase(INITIAL)
|| trimmedCssValue.equalsIgnoreCase(INHERIT)) {
this.cssValue = trimmedCssValue;
horizontalValue = null;
verticalValue = null;
horizontalCssLengthUnit = null;
verticalCssLengthUnit = null;
invalidValue = false;
} else {
final Object[] lengthValueAndUnitHorizontalVertical = CssLengthUtil
.getLengthValueAndUnit(lengthValues[0]);
if (lengthValueAndUnitHorizontalVertical.length == 2) {
horizontalValue = verticalValue = (Float) lengthValueAndUnitHorizontalVertical[0];
horizontalCssLengthUnit = verticalCssLengthUnit = (CssLengthUnit) lengthValueAndUnitHorizontalVertical[1];
this.cssValue = trimmedCssValue;
invalidValue = false;
}
}
} else if (lengthValues.length == 2) {
final Object[] lengthValueAndUnitHorizontal = CssLengthUtil
.getLengthValueAndUnit(lengthValues[0]);
final Object[] lengthValueAndUnitVertical = CssLengthUtil
.getLengthValueAndUnit(lengthValues[1]);
if (lengthValueAndUnitHorizontal.length == 2
&& lengthValueAndUnitVertical.length == 2) {
horizontalValue = (Float) lengthValueAndUnitHorizontal[0];
horizontalCssLengthUnit = (CssLengthUnit) lengthValueAndUnitHorizontal[1];
verticalValue = (Float) lengthValueAndUnitVertical[0];
verticalCssLengthUnit = (CssLengthUnit) lengthValueAndUnitVertical[1];
// nano optimized way to check if both horizontalValue
// and verticalValue are equal.
if (Float.floatToIntBits(
horizontalValue.floatValue()) == Float
.floatToIntBits(
horizontalValue.floatValue())
&& Objects.equals(horizontalCssLengthUnit,
verticalCssLengthUnit)
) {
this.cssValue = horizontalValue + ""
+ verticalCssLengthUnit;
} else {
this.cssValue = trimmedCssValue;
}
invalidValue = false;
}
} else {
throw new InvalidValueException(
"The given cssValue should not contain more that 2 length values.");
}
if (invalidValue) {
throw new InvalidValueException(cssValue
+ " is an invalid value. The value format should be as for example 75px, 85%, 125px 10px, initial, inherit etc..");
}
}
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
} catch (final NumberFormatException e) {
throw new InvalidValueException(
cssValue + " is an invalid value. The value format should be as for example 75px or 85%. Or, initial/inherit.",
e);
}
return this;
}
/**
* sets as {@code initial}
*
* @since 1.0.0
* @author WFF
*/
public void setAsInitial() {
setCssValue(INITIAL);
}
/**
* sets as {@code inherit}
*
* @since 1.0.0
* @author WFF
*/
public void setAsInherit() {
setCssValue(INHERIT);
}
/**
* validates if the given cssValue is valid for this class.
*
* @param cssValue
* the value to check.
* @return true if valid and false if invalid.
* @author WFF
* @since 1.0.0
*/
public static boolean isValid(final String cssValue) {
final String trimmedCssValue = TagStringUtil
.toLowerCase(cssValue.trim());
final String[] cssValueParts = trimmedCssValue.split(" ");
if (cssValueParts.length > 2) {
return false;
}
if (PREDEFINED_CONSTANTS.contains(trimmedCssValue)) {
return true;
}
boolean valid = false;
for (final String each : cssValueParts) {
final Object[] lengthValueAndUnit = CssLengthUtil
.getLengthValueAsPremitiveAndUnit(each);
if (lengthValueAndUnit.length != 2) {
return false;
}
valid = true;
}
return valid;
}
}
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