/**
 * DataCleaner (community edition)
 * Copyright (C) 2014 Neopost - Customer Information Management
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.datacleaner.beans.stringpattern;

import java.io.Serializable;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.regex.Pattern;

public class PredefinedTokenDefinition implements Serializable {

    private static final long serialVersionUID = 1L;

    private String _name;
    private Set<String> _tokenRegexes;
    private Set<Pattern> _tokenRegexPatterns;

    public PredefinedTokenDefinition(final String name, final Set<String> tokenRegexes) {
        _name = name;
        _tokenRegexes = tokenRegexes;
    }

    public PredefinedTokenDefinition(final String name, final String... tokenRegexes) {
        _name = name;
        _tokenRegexes = new LinkedHashSet<>();
        for (final String string : tokenRegexes) {
            _tokenRegexes.add(string);
        }
    }

    public String getName() {
        return _name;
    }

    public Set<String> getTokenRegexes() {
        return Collections.unmodifiableSet(_tokenRegexes);
    }

    public Set<Pattern> getTokenRegexPatterns() {
        if (_tokenRegexPatterns == null) {
            _tokenRegexPatterns = new LinkedHashSet<>();
            for (final String tokenRegex : _tokenRegexes) {
                final Pattern pattern = Pattern.compile(tokenRegex);
                _tokenRegexPatterns.add(pattern);
            }
        }
        return _tokenRegexPatterns;
    }

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

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

    @Override
    public String toString() {
        return "PredefinedToken[name=" + _name + "]";
    }
}