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 * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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package javafx.css;

import com.sun.javafx.css.ParsedValueImpl;
import javafx.css.converter.URLConverter;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

Since:9
/** * @since 9 */
final public class Declaration { final String property; final ParsedValue parsedValue; final boolean important; // The Rule to which this Declaration belongs. Rule rule; Declaration(final String propertyName, final ParsedValue parsedValue, final boolean important) { this.property = propertyName; this.parsedValue = parsedValue; this.important = important; if (propertyName == null) { throw new IllegalArgumentException("propertyName cannot be null"); } if (parsedValue == null) { throw new IllegalArgumentException("parsedValue cannot be null"); } }
Returns:ParsedValue contains the parsed declaration.
/** @return ParsedValue contains the parsed declaration. */
public ParsedValue getParsedValue() { return parsedValue; }
Returns:The CSS property name
/** @return The CSS property name */
public String getProperty() { return property; }
Returns:The Rule to which this Declaration belongs.
/** @return The Rule to which this Declaration belongs. */
public Rule getRule() { return rule; } public final boolean isImportant() { return important; }
Helper
/** Helper */
private StyleOrigin getOrigin() { Rule rule = getRule(); if (rule != null) { return rule.getOrigin(); } return null; }
One declaration is the equal to another regardless of the Rule to which the Declaration belongs. Only the property, value and importance are considered.
/** * One declaration is the equal to another regardless of the Rule to which * the Declaration belongs. Only the property, value and importance are * considered. */
@Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final Declaration other = (Declaration) obj; if (this.important != other.important) { return false; } if (this.getOrigin() != other.getOrigin()) { return false; } if ((this.property == null) ? (other.property != null) : !this.property.equals(other.property)) { return false; } if (this.parsedValue != other.parsedValue && (this.parsedValue == null || !this.parsedValue.equals(other.parsedValue))) { return false; } return true; } @Override public int hashCode() { int hash = 5; hash = 89 * hash + (this.property != null ? this.property.hashCode() : 0); hash = 89 * hash + (this.parsedValue != null ? this.parsedValue.hashCode() : 0); hash = 89 * hash + (this.important ? 1 : 0); return hash; } @Override public String toString() { StringBuilder sbuf = new StringBuilder(property); sbuf.append(": "); sbuf.append(parsedValue); if (important) sbuf.append(" !important"); return sbuf.toString(); } // // RT-21964 // // We know when the .css file is parsed what the stylesheet URL is, // but that might not be the URL of the deployed file. So for URL // types, the parser inserts a null placeholder for the URL and we // fix it up here. This method is called from Rule#setStylesheet // and from Rule#declarations onChanged method. // void fixUrl(String stylesheetUrl) { if (stylesheetUrl == null) return; final StyleConverter converter = parsedValue.getConverter(); // code is tightly coupled to the way URLConverter works if (converter == URLConverter.getInstance()) { final ParsedValue[] values = (ParsedValue[])parsedValue.getValue(); values[1] = new ParsedValueImpl<String,String>(stylesheetUrl, null); } else if (converter == URLConverter.SequenceConverter.getInstance()) { final ParsedValue<ParsedValue[], String>[] layers = (ParsedValue<ParsedValue[], String>[])parsedValue.getValue(); for (int layer = 0; layer < layers.length; layer++) { final ParsedValue[] values = layers[layer].getValue(); values[1] = new ParsedValueImpl<String,String>(stylesheetUrl, null); } } } final void writeBinary(final DataOutputStream os, final StyleConverter.StringStore stringStore) throws IOException { if (parsedValue instanceof ParsedValueImpl) { os.writeShort(stringStore.addString(getProperty())); ((ParsedValueImpl)parsedValue).writeBinary(os,stringStore); os.writeBoolean(isImportant()); } } static Declaration readBinary(int bssVersion, DataInputStream is, String[] strings) throws IOException { final String propertyName = strings[is.readShort()]; final ParsedValueImpl parsedValue = ParsedValueImpl.readBinary(bssVersion,is,strings); final boolean important = is.readBoolean(); return new Declaration(propertyName, parsedValue, important); } }