fr.mtlx.odm.converters.LabeledURIConverter.java Source code

Introduction

Here is the source code for fr.mtlx.odm.converters.LabeledURIConverter.java

Source

package fr.mtlx.odm.converters;

import java.net.URI;
import java.util.Iterator;

import com.google.common.base.Splitter;
import com.google.common.base.Strings;

import fr.mtlx.odm.attributes.LabeledURI;
import java.net.URISyntaxException;

/*
 * #%L
 * fr.mtlx.odm
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2012 - 2013 Alexandre Mathieu <me@mtlx.fr>
 * %%
 * 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/gpl-3.0.html>.
 * #L%
 */

public class LabeledURIConverter extends AttributeConverter<String, LabeledURI> {
    protected LabeledURIConverter(final Class<String> directoryType, final Class<LabeledURI> objectType) {
        super(directoryType, objectType);
    }

    public LabeledURIConverter() {
        this(String.class, LabeledURI.class);
    }

    @Override
    public String to(final LabeledURI object) throws ConvertionException {
        return object.toString();
    }

    @Override
    public LabeledURI from(final String value) throws ConvertionException {
        final Iterator<String> iterator = Splitter.on(' ').limit(1).trimResults().split(value).iterator();

        URI uri;
        try {
            uri = new URI(iterator.next());
        } catch (URISyntaxException e) {
            throw new ConvertionException(e);
        }

        final String label;

        if (iterator.hasNext())
            label = Strings.emptyToNull(iterator.next());
        else
            label = null;

        return new LabeledURI(uri, label);
    }
}