| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| package org.apache.any23.extractor.microdata; |
| |
| import java.util.Locale; |
| |
| /** |
| * Describes a <b>Microdata item property</b>. |
| * |
| * @author Michele Mostarda (mostarda@fbk.eu) |
| */ |
| public class ItemProp extends Item { |
| |
| /** |
| * Property name. |
| */ |
| private final String name; |
| |
| /** |
| * Property value. |
| */ |
| private final ItemPropValue value; |
| |
| /** |
| * Constructor. |
| * |
| * @param xpath item location in container document. |
| * @param name item property name. |
| * @param value item property value. |
| */ |
| public ItemProp(String xpath, String name, ItemPropValue value) { |
| this(xpath, name, value, false); |
| } |
| |
| final boolean reverse; |
| ItemProp(String xpath, String name, ItemPropValue value, boolean reverse) { |
| super(xpath); |
| |
| if(name == null) { |
| throw new NullPointerException("name cannot be null."); |
| } |
| if(name.trim().length() == 0) { |
| throw new IllegalArgumentException("invalid property name '" + name + "'"); |
| } |
| if(value == null) { |
| throw new NullPointerException("value cannot be null."); |
| } |
| this.name = name; |
| this.value = value; |
| this.reverse = reverse; |
| } |
| |
| /** |
| * @return the item property name. |
| */ |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * @return the item property value. |
| */ |
| public ItemPropValue getValue() { |
| return value; |
| } |
| |
| @Override |
| public String toJSON() { |
| return String.format(Locale.ROOT, |
| "{ \"xpath\" : \"%s\", \"name\" : \"%s\", \"value\" : %s }", |
| getXpath(), |
| name, |
| value.toJSON() |
| ); |
| } |
| |
| @Override |
| public String toString() { |
| return toJSON(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return name.hashCode() * value.hashCode() * 3; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if( obj == null ) { |
| return false; |
| } |
| if(obj == this) { |
| return true; |
| } |
| if(obj instanceof ItemProp) { |
| final ItemProp other = (ItemProp) obj; |
| return name.equals(other.name) && value.equals( other.value ); |
| } |
| return false; |
| } |
| } |