/*
* Geotoolkit - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2008 - 2009, Geomatys
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*/
package org.geotoolkit.style;
import java.util.Collections;
import java.util.List;
import org.apache.sis.internal.util.UnmodifiableArrayList;
import org.opengis.filter.expression.Expression;
import org.opengis.style.Font;
import org.opengis.style.StyleVisitor;
import static org.geotoolkit.style.StyleConstants.*;
import static org.opengis.filter.expression.Expression.*;
/**
* Immutable implementation of Types Font.
*
* @author Johann Sorel (Geomatys)
* @module
*/
public class DefaultFont implements Font{
private final List<Expression> family;
private final Expression style;
private final Expression weight;
private final Expression size;
/**
* Create a default immutable Font.
*
* @param family : can be null or empty
* @param style : if null or Expression.NIL will be replaced by default value.
* defaults are “normal”, “italic”, and “oblique”
* @param weight : if null or Expression.NIL will be replaced by default value.
* defaults are “normal” and “bold”
* @param size : if null or Expression.NIL will be replaced by default value.
*/
public DefaultFont(final List<Expression> family, final Expression style, final Expression weight, final Expression size){
this.style = (style == null || style == NIL) ? DEFAULT_FONT_STYLE : style;
this.weight = (weight == null || weight == NIL) ? DEFAULT_FONT_WEIGHT : weight;
this.size = (size == null || size == NIL) ? DEFAULT_FONT_SIZE : size;
if(family != null && !family.isEmpty()) {
final Expression[] rep = family.toArray(new Expression[family.size()]);
this.family = UnmodifiableArrayList.wrap(rep);
}else{
this.family = Collections.emptyList();
}
}
/**
* {@inheritDoc }
*/
@Override
public List<Expression> getFamily() {
return family;
}
/**
* {@inheritDoc }
*/
@Override
public Expression getStyle() {
return style;
}
/**
* {@inheritDoc }
*/
@Override
public Expression getWeight() {
return weight;
}
/**
* {@inheritDoc }
*/
@Override
public Expression getSize() {
return size;
}
/**
* {@inheritDoc }
*/
@Override
public Object accept(final StyleVisitor visitor, final Object extraData) {
return visitor.visit(this,extraData);
}
/**
* {@inheritDoc }
*/
@Override
public boolean equals(final Object obj) {
if(this == obj){
return true;
}
if(obj == null || !this.getClass().equals(obj.getClass()) ){
return false;
}
DefaultFont other = (DefaultFont) obj;
return this.family.equals(other.family)
&& this.size.equals(other.size)
&& this.style.equals(other.style)
&& this.weight.equals(other.weight);
}
/**
* {@inheritDoc }
*/
@Override
public int hashCode() {
int hash = family.hashCode();
hash += size.hashCode();
hash += weight.hashCode();
hash += style.hashCode();
return hash;
}
/**
* {@inheritDoc }
*/
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("[Font : family=");
for(Expression ex : family){
builder.append(ex).append(',');
}
builder.append(" Style=").append(style);
builder.append(" Weight=").append(weight);
builder.append(" Size=").append(size);
builder.append(']');
return builder.toString();
}
}