/*
* Copyright (C) 2014 Camptocamp
*
* This file is part of MapFish Print
*
* MapFish Print 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.
*
* MapFish Print 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 MapFish Print. If not, see <http://www.gnu.org/licenses/>.
*/
package org.mapfish.print.attribute;
import org.geotools.styling.Style;
import org.mapfish.print.ExceptionUtils;
import org.mapfish.print.attribute.StyleAttribute.StylesAttributeValues;
import org.mapfish.print.attribute.map.MapfishMapContext;
import org.mapfish.print.config.Configuration;
import org.mapfish.print.config.Template;
import org.mapfish.print.http.MfClientHttpRequestFactory;
import org.mapfish.print.map.style.SLDParserPlugin;
import org.mapfish.print.map.style.StyleParserPlugin;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import javax.annotation.Nonnull;
/**
* Attribute for GeoJson Styles collection.
* <p/>
* Created by Stéphane Brunner on 24/4/14.
*/
public final class StyleAttribute extends ReflectiveAttribute<StylesAttributeValues> {
@SuppressWarnings("unused")
private static final Logger LOGGER = LoggerFactory.getLogger(StyleAttribute.class);
@Override
protected Class<StylesAttributeValues> getValueType() {
return StylesAttributeValues.class;
}
@Override
public StylesAttributeValues createValue(final Template template) {
StylesAttributeValues result = new StylesAttributeValues();
return result;
}
@Override
public void validate(final List<Throwable> validationErrors, final Configuration configuration) {
// no validation needed.
}
/**
* The value of {@link StyleAttribute}.
*/
public static final class StylesAttributeValues {
/**
* The SDL string.
*/
public String style;
/**
* The Style.
*/
private Style styleObject;
/**
* Constructor.
*/
public StylesAttributeValues() {
}
/**
* Validate the values provided by the request data and construct MapBounds and parse the layers.
* @param clientHttpRequestFactory a factory for creating http requests
* @param mapContext information about the map projection, bounds, size, etc...
*/
public synchronized Style getStyle(@Nonnull final MfClientHttpRequestFactory clientHttpRequestFactory,
@Nonnull final MapfishMapContext mapContext) throws Exception {
if (this.styleObject == null && this.style != null) {
final StyleParserPlugin parser = new SLDParserPlugin();
try {
this.styleObject = parser.parseStyle(null, clientHttpRequestFactory, this.style, mapContext).get();
} catch (Throwable throwable) {
throw ExceptionUtils.getRuntimeException(throwable);
}
}
return this.styleObject;
}
}
}