ca.phon.query.db.xml.XMLQueryFactory.java Source code

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Here is the source code for ca.phon.query.db.xml.XMLQueryFactory.java

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/*
 * Phon - An open source tool for research in phonology.
 * Copyright (C) 2005 - 2015, Gregory Hedlund <ghedlund@mun.ca> and Yvan Rose <yrose@mun.ca>
 * Dept of Linguistics, Memorial University <https://phon.ca>
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package ca.phon.query.db.xml;

import java.io.File;
import java.util.UUID;

import org.joda.time.DateTime;

import ca.phon.project.Project;
import ca.phon.query.db.Query;
import ca.phon.query.db.QueryFactory;
import ca.phon.query.db.Result;
import ca.phon.query.db.ResultSet;
import ca.phon.query.db.ResultValue;
import ca.phon.query.db.Script;

/**
 * XML-based implementation of {@link QueryFactory}.
 */
public class XMLQueryFactory implements QueryFactory {

    @Override
    public Query createQuery() {
        // Ensure certain attributes exist with default values 
        XMLQuery query = new XMLQuery();
        query.setUUID(UUID.randomUUID());
        query.setDate(DateTime.now());
        return query;
    }

    @Override
    public Query createQuery(Project project) {
        // Get the next available number
        int max = 0;
        File queryPath = XMLResultSetManager.getQueriesPath(project);
        if (!queryPath.exists() && !queryPath.mkdirs())
            return null;

        for (String query : queryPath.list()) {
            if (query.startsWith("query")) {
                try {
                    max = Math.max(max, Integer.parseInt(query.substring(5)));
                } catch (NumberFormatException exc) {
                    /* don't need to deal with this */ }
            }
        }

        ++max;

        // Ensure certain attributes exist with default values 
        XMLQuery query = new XMLQuery();
        query.setName(String.format("query%03d", max));
        query.setUUID(UUID.randomUUID());
        query.setDate(DateTime.now());
        return query;
    }

    @Override
    public ResultSet createResultSet() {
        return new XMLResultSet();
    }

    @Override
    public Result createResult() {
        return new XMLResult();
    }

    @Override
    public Script createScript() {
        return new XMLScript();
    }

    @Override
    public ResultValue createResultValue() {
        return new XMLResultValue();
    }

}