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A java framework to develop web applications
/*
* Copyright 2014-2016 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 java.util.logging.Logger;
import com.webfirmframework.wffweb.InvalidValueException;
import com.webfirmframework.wffweb.NullValueException;
import com.webfirmframework.wffweb.css.core.AbstractCssProperty;
import com.webfirmframework.wffweb.css.core.CssProperty;
import com.webfirmframework.wffweb.informer.StateChangeInformer;
import com.webfirmframework.wffweb.util.CssValueUtil;
import com.webfirmframework.wffweb.util.StringBuilderUtil;
import com.webfirmframework.wffweb.util.TagStringUtil;
/**
*
* The border-top shorthand property sets all the top border properties in one declaration.
*
* The properties that can be set, are (in order): border-top-width, border-top-style, and border-top-color.
*
* If one of the values above are missing, e.g. border-top:solid #ff0000, the default value for the missing property will be inserted, if any.
* Default value: medium none color
* Inherited: no
* Animatable: yes
* Version: CSS1
* JavaScript syntax: object.style.borderTop="3px dashed blue"
*
*
* @author WFF
* @since 1.0.0
*/
public class BorderTop extends AbstractCssProperty
implements StateChangeInformer {
private static final long serialVersionUID = 1_0_0L;
public static final Logger LOGGER = Logger
.getLogger(BorderTop.class.getName());
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 BorderTopWidth borderTopWidth;
private BorderTopStyle borderTopStyle;
private BorderTopColor borderTopColor;
/**
* The value medium none black will be assigned as the
* cssValue.
*
* @author WFF
* @since 1.0.0
*/
public BorderTop() {
setCssValue("medium none black");
}
/**
* @param cssValue
* the css value to set.
*/
public BorderTop(final String cssValue) {
setCssValue(cssValue);
}
/**
* @param widthtCss
* the {@code BorderTop} object from which the cssValue to
* set.And, {@code null} will throw {@code NullValueException}
*/
public BorderTop(final BorderTop borderTop) {
if (borderTop == null) {
throw new NullValueException("borderTop can not be null");
}
setCssValue(borderTop.getCssValue());
}
/*
* (non-Javadoc)
*
* @see com.webfirmframework.wffweb.css.CssProperty#getCssName()
*
* @since 1.0.0
*
* @author WFF
*/
@Override
public String getCssName() {
return CssNameConstants.BORDER_TOP;
}
/*
* (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();
}
/**
* @param cssValue
* the value should be in the format of
* medium none color, initial or
* inherit. {@code null} is considered as an invalid
* value and it will throw {@code NullValueException}.
* @since 1.0.0
* @author WFF
*/
@Override
public BorderTop setCssValue(final String cssValue) {
final String trimmedCssValue;
if (cssValue == null) {
throw new NullValueException(
"null is an invalid value. The value format should be as for example medium none color Or initial/inherit.");
} else if ((trimmedCssValue = TagStringUtil
.toLowerCase(cssValue.trim())).isEmpty()) {
throw new NullValueException(cssValue
+ " is an invalid value. The value format should be as for example medium none color Or initial/inherit.");
}
final List cssValueParts = CssValueUtil.split(trimmedCssValue);
if (cssValueParts.size() > 1) {
if (trimmedCssValue.contains(BorderTopColor.INITIAL)) {
throw new InvalidValueException(
"The string 'initial' makes the given cssValue invalid, please remove 'initial' from it and try.");
}
if (trimmedCssValue.contains(BorderTopColor.INHERIT)) {
throw new InvalidValueException(
"The string 'inherit' makes the given cssValue invalid, please remove 'inherit' from it and try.");
}
} else {
if (PREDEFINED_CONSTANTS.contains(trimmedCssValue)) {
if (borderTopWidth != null) {
borderTopWidth.setAlreadyInUse(false);
borderTopWidth = null;
}
borderTopStyle = null;
if (borderTopColor != null) {
borderTopColor.setAlreadyInUse(false);
borderTopColor = null;
}
this.cssValue = trimmedCssValue;
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
}
BorderTopWidth borderTopWidth = null;
BorderTopStyle borderTopStyle = null;
BorderTopColor borderTopColor = null;
for (final String eachPart : cssValueParts) {
if (borderTopWidth == null && BorderTopWidth.isValid(eachPart)) {
if (this.borderTopWidth == null) {
borderTopWidth = new BorderTopWidth(eachPart);
borderTopWidth.setStateChangeInformer(this);
borderTopWidth.setAlreadyInUse(true);
} else {
this.borderTopWidth.setCssValue(eachPart);
borderTopWidth = this.borderTopWidth;
}
} else if (borderTopStyle == null
&& BorderTopStyle.isValid(eachPart)) {
borderTopStyle = BorderTopStyle.getThis(eachPart);
} else if (borderTopColor == null
&& BorderTopColor.isValid(eachPart)) {
if (this.borderTopColor == null) {
borderTopColor = new BorderTopColor(eachPart);
borderTopColor.setStateChangeInformer(this);
borderTopColor.setAlreadyInUse(true);
} else {
this.borderTopColor.setCssValue(eachPart);
borderTopColor = this.borderTopColor;
}
}
}
final StringBuilder cssValueBuilder = new StringBuilder();
boolean invalid = true;
if (borderTopWidth != null) {
cssValueBuilder.append(borderTopWidth.getCssValue());
cssValueBuilder.append(" ");
invalid = false;
} else if (this.borderTopWidth != null) {
this.borderTopWidth.setAlreadyInUse(false);
}
if (borderTopStyle != null) {
cssValueBuilder.append(borderTopStyle.getCssValue());
cssValueBuilder.append(" ");
invalid = false;
}
if (borderTopColor != null) {
cssValueBuilder.append(borderTopColor.getCssValue());
cssValueBuilder.append(" ");
invalid = false;
} else if (this.borderTopColor != null) {
this.borderTopColor.setAlreadyInUse(false);
}
if (invalid) {
throw new InvalidValueException(cssValue
+ " is an invalid value. The value format should be as for example medium none color Or initial/inherit.");
}
this.cssValue = StringBuilderUtil.getTrimmedString(cssValueBuilder);
this.borderTopWidth = borderTopWidth;
this.borderTopStyle = borderTopStyle;
this.borderTopColor = borderTopColor;
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
/**
* checks the given css value is valid for this class. It does't do a strict
* validation.
*
* @param cssValue
* @return
* @since 1.0.0
* @author WFF
*/
public static boolean isValid(final String cssValue) {
// TODO modify to make a strict validation
if (cssValue == null || cssValue.trim().isEmpty()) {
return false;
}
final List cssValueParts = CssValueUtil.split(cssValue);
BorderTopWidth borderTopWidth = null;
BorderTopStyle borderTopStyle = null;
BorderTopColor borderTopColor = null;
for (final String eachPart : cssValueParts) {
boolean invalid = true;
if (borderTopWidth == null && BorderTopWidth.isValid(eachPart)) {
borderTopWidth = new BorderTopWidth(eachPart);
invalid = false;
} else if (borderTopStyle == null
&& BorderTopStyle.isValid(eachPart)) {
borderTopStyle = BorderTopStyle.getThis(eachPart);
invalid = false;
} else if (borderTopColor == null
&& BorderTopColor.isValid(eachPart)) {
borderTopColor = new BorderTopColor(eachPart);
invalid = false;
}
if (invalid) {
return false;
}
}
return borderTopWidth != null || borderTopStyle != null
|| borderTopColor != null;
}
/**
* sets as initial
*
* @since 1.0.0
* @author WFF
*/
public void setAsInitial() {
setCssValue(INITIAL);
}
/**
* sets as inherit
*
* @since 1.0.0
* @author WFF
*/
public void setAsInherit() {
setCssValue(INHERIT);
}
public BorderTopColor getBorderTopColor() {
return borderTopColor;
}
public BorderTopStyle getBorderTopStyle() {
return borderTopStyle;
}
public BorderTopWidth getBorderTopWidth() {
return borderTopWidth;
}
public BorderTop setBorderTopWidth(final BorderTopWidth borderTopWidth) {
final StringBuilder cssValueBuilder = new StringBuilder();
if (borderTopWidth != null) {
final String borderTopWidthCssValue = borderTopWidth.getCssValue();
if (BorderTopWidth.INITIAL.equals(borderTopWidthCssValue)
|| BorderTopWidth.INHERIT.equals(borderTopWidthCssValue)) {
throw new InvalidValueException(
"borderTopWidth cannot have initial/inherit as its cssValue");
}
cssValueBuilder.append(borderTopWidth.getCssValue());
cssValueBuilder.append(" ");
}
if (borderTopStyle != null) {
cssValueBuilder.append(borderTopStyle.getCssValue());
cssValueBuilder.append(" ");
}
if (borderTopColor != null) {
cssValueBuilder.append(borderTopColor.getCssValue());
cssValueBuilder.append(" ");
}
final String trimmedCssValue = cssValueBuilder.toString().trim();
cssValue = trimmedCssValue.isEmpty() ? INHERIT : trimmedCssValue;
if (borderTopWidth != null && borderTopWidth.isAlreadyInUse()
&& !Objects.equals(this.borderTopWidth, borderTopWidth)) {
LOGGER.warning(
"the given borderTopWidth is already used by another object so a new object or the previous object (if it exists) of BorderTopWidth will be used");
return setCssValue(cssValue);
}
if (this.borderTopWidth != null) {
this.borderTopWidth.setAlreadyInUse(false);
}
this.borderTopWidth = borderTopWidth;
if (this.borderTopWidth != null) {
this.borderTopWidth.setStateChangeInformer(this);
this.borderTopWidth.setAlreadyInUse(true);
}
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
public BorderTop setBorderTopStyle(final BorderTopStyle borderTopStyle) {
final StringBuilder cssValueBuilder = new StringBuilder();
if (borderTopWidth != null) {
cssValueBuilder.append(borderTopWidth.getCssValue());
cssValueBuilder.append(" ");
}
if (borderTopStyle != null) {
cssValueBuilder.append(borderTopStyle.getCssValue());
cssValueBuilder.append(" ");
}
if (borderTopColor != null) {
cssValueBuilder.append(borderTopColor.getCssValue());
cssValueBuilder.append(" ");
}
final String trimmedCssValue = cssValueBuilder.toString().trim();
cssValue = trimmedCssValue.isEmpty() ? INHERIT : trimmedCssValue;
this.borderTopStyle = borderTopStyle;
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
public BorderTop setBorderTopColor(final BorderTopColor borderTopColor) {
final StringBuilder cssValueBuilder = new StringBuilder();
if (borderTopWidth != null) {
cssValueBuilder.append(borderTopWidth.getCssValue());
cssValueBuilder.append(" ");
}
if (borderTopStyle != null) {
cssValueBuilder.append(borderTopStyle.getCssValue());
cssValueBuilder.append(" ");
}
if (borderTopColor != null) {
final String borderTopColorCssValue = borderTopColor.getCssValue();
if (BorderTopColor.INITIAL.equals(borderTopColorCssValue)
|| BorderTopColor.INHERIT.equals(borderTopColorCssValue)) {
throw new InvalidValueException(
"borderTopColor cannot have initial/inherit as its cssValue");
}
cssValueBuilder.append(borderTopColorCssValue);
}
final String trimmedCssValue = cssValueBuilder.toString().trim();
cssValue = trimmedCssValue.isEmpty() ? INHERIT : trimmedCssValue;
if (borderTopColor != null && borderTopColor.isAlreadyInUse()
&& !Objects.equals(this.borderTopColor, borderTopColor)) {
LOGGER.warning(
"the given borderTopColor is already used by another object so a new object or the previous object (if it exists) of BorderTopColor will be used");
return setCssValue(cssValue);
}
if (this.borderTopColor != null) {
this.borderTopColor.setAlreadyInUse(false);
}
this.borderTopColor = borderTopColor;
if (this.borderTopColor != null) {
this.borderTopColor.setStateChangeInformer(this);
this.borderTopColor.setAlreadyInUse(true);
}
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
@Override
public void stateChanged(final CssProperty stateChangedObject) {
if (stateChangedObject instanceof BorderTopColor) {
final BorderTopColor borderTopColor = (BorderTopColor) stateChangedObject;
final String cssValue = borderTopColor.getCssValue();
if (BorderTopColor.INITIAL.equals(cssValue)
|| BorderTopColor.INHERIT.equals(cssValue)) {
throw new InvalidValueException(
"initial/inherit cannot be set as borderTopColor cssValue");
}
setBorderTopColor(borderTopColor);
}
}
/**
*
* @author WFF
* @since 1.0.0
*/
protected void addPredefinedConstant(final String constant) {
PREDEFINED_CONSTANTS.add(constant);
}
}
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