com.bq.oss.lib.queries.StringQueryLiteral Maven / Gradle / Ivy

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package com.bq.oss.lib.queries;

import java.util.Collection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.bq.oss.lib.queries.request.QueryLiteral;
import com.bq.oss.lib.queries.exception.QueryMatchingException;

public class StringQueryLiteral extends QueryLiteral {

	public StringQueryLiteral() {
		super();
	}

	public StringQueryLiteral(String literal) {
		super(literal);
	}

	@Override
	protected boolean eq(Object object) throws QueryMatchingException {
		if (object instanceof Collection) {
			return ((Collection) object).contains(literal);
		} else {
			return object.equals(literal);
		}
	};

	@Override
	protected boolean ne(Object object) throws QueryMatchingException {
		return !eq(object);
	};

	@Override
	protected boolean like(Object object) throws QueryMatchingException {
		String stringObject = (String) object;
		Pattern pattern = Pattern.compile(literal, Pattern.CASE_INSENSITIVE);
		Matcher matcher = pattern.matcher(stringObject);
		return matcher.matches();
	};

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((literal == null) ? 0 : literal.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}
		if (obj == null) {
			return false;
		}
		if (getClass() != obj.getClass()) {
			return false;
		}
		StringQueryLiteral other = (StringQueryLiteral) obj;
		if (literal == null) {
			if (other.literal != null) {
				return false;
			}
		} else if (!literal.equals(other.literal)) {
			return false;
		}
		return true;
	}

	@Override
	public String toString() {
		return "\"" + getLiteral() + "\"";
	}
}