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jStyleParser is a CSS parser written in Java. It has its own application interface that is designed to allow an efficient CSS processing in Java and mapping the values to the Java data types. It parses CSS 2.1 style sheets into structures that can be efficiently assigned to DOM elements. It is intended be the primary CSS parser for the CSSBox library. While handling errors, it is user agent conforming according to the CSS specification.

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package cz.vutbr.web.csskit;

import cz.vutbr.web.css.Term;

/**
 * Term
 * 
 * @author Karel Piwko, 2008
 */
public class TermImpl implements Term {

	protected T value;
	protected Operator operator = null;

	protected TermImpl() {
	}
	
	public Operator getOperator() {
		return operator;
	}

	public Term setOperator(Operator operator) {
		this.operator = operator;
		return this;
	}

	/**
	 * @return the value
	 */
	public T getValue() {
		return value;
	}

	/**
	 * @param value
	 *            the value to set
	 */
	public Term setValue(T value) {
		this.value = value;
		return this;
	}

	@Override
	public String toString() {
		StringBuilder sb = new StringBuilder();
		if(operator != null) sb.append(operator.value());
		if(value!=null) sb.append(value.toString());

		return sb.toString();
	}
	
	/* (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result
				+ ((operator == null) ? 0 : operator.hashCode());
		result = prime * result + ((value == null) ? 0 : value.hashCode());
		return result;
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (!(obj instanceof TermImpl))
			return false;
		@SuppressWarnings("unchecked")
		TermImpl other = (TermImpl) obj;
		if (operator == null) {
			if (other.operator != null)
				return false;
		} else if (!operator.equals(other.operator))
			return false;
		if (value == null) {
			if (other.value != null)
				return false;
		} else if (!value.equals(other.value))
			return false;
		return true;
	}

	@SuppressWarnings("unchecked")
    public Term shallowClone() {
		try {
			return (Term) super.clone();
		} catch (CloneNotSupportedException e) {
			throw new RuntimeException(e);
		}
	}

}