de.micromata.genome.db.jpa.tabattr.impl.AttrSchemaServiceBaseImpl.java Source code

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Here is the source code for de.micromata.genome.db.jpa.tabattr.impl.AttrSchemaServiceBaseImpl.java

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/////////////////////////////////////////////////////////////////////////////
//
// Project ProjectForge Community Edition
//         www.projectforge.org
//
// Copyright (C) 2001-2014 Kai Reinhard (k.reinhard@micromata.de)
//
// ProjectForge is dual-licensed.
//
// This community edition 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; version 3 of the License.
//
// This community edition 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 de.micromata.genome.db.jpa.tabattr.impl;

import org.apache.commons.lang3.StringUtils;

import de.micromata.genome.db.jpa.tabattr.api.AttrDescription;
import de.micromata.genome.db.jpa.tabattr.api.AttrGroup;
import de.micromata.genome.db.jpa.tabattr.api.AttrSchema;
import de.micromata.genome.db.jpa.tabattr.api.AttrSchemaService;
import de.micromata.genome.db.jpa.tabattr.api.EntityWithAttributes;
import de.micromata.genome.util.strings.converter.StandardStringConverter;
import de.micromata.genome.util.strings.converter.StringConverter;

/**
 * @author Roger Kommer (r.kommer.extern@micromata.de)
 *
 */
public abstract class AttrSchemaServiceBaseImpl implements AttrSchemaService {
    private final StringConverter stringConverter = StandardStringConverter.get();

    @Override
    public void initializeAttrSet(final EntityWithAttributes attrMaster) {

        throw new UnsupportedOperationException();
    }

    protected <R> R getDefaultValue(final AttrDescription desc, final Class<R> expectedClass) {

        if (desc.getDefaultStringValue() == null) {
            return null;
        }
        if (desc.getDefaultValue() != null) {
            return (R) desc.getDefaultValue();
        }
        desc.setDefaultValue(stringConverter.cast(desc.getDefaultStringValue(), expectedClass));
        return (R) desc.getDefaultValue();
    }

    @Override
    public <R> R getDefaultValue(final String schemaName, final String propertyName, final Class<R> expectedClass) {
        final AttrSchema schema = getAttrSchema(schemaName);
        if (schema == null) {
            // TODO RK warn
            return null;
        }
        for (final AttrGroup group : schema.getGroups()) {
            for (final AttrDescription desc : group.getDescriptions()) {
                if (StringUtils.equals(desc.getPropertyName(), propertyName) == true) {
                    return getDefaultValue(desc, expectedClass);
                }
            }
        }
        // TODO RK warn
        return null;
    }
}