org.mapfish.print.map.style.SLDParserPlugin Maven / Gradle / Ivy

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Library for generating PDFs and images from online webmapping services

There is a newer version: 3.22.0

package org.mapfish.print.map.style;

import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.io.ByteSource;
import com.google.common.io.CharSource;
import com.google.common.io.Closeables;
import com.vividsolutions.jts.util.Assert;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.styling.DefaultResourceLocator;
import org.geotools.styling.SLDParser;
import org.geotools.styling.Style;
import org.mapfish.print.Constants;
import org.mapfish.print.ExceptionUtils;
import org.mapfish.print.config.Configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpMethod;
import org.springframework.http.client.ClientHttpRequest;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.helpers.DefaultHandler;

import java.io.BufferedReader;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

/**
 * Basic implementation for loading and parsing an SLD style.
 */
public class SLDParserPlugin implements StyleParserPlugin {
    /**
     * The separator between the path or url segment for loading the sld and an index of the style to obtain.
     * 
     * SLDs can contains multiple styles.  Because of this there needs to be a way to indicate which style is
     * referred to.  That is the purpose of the style index.
     */
    public static final String STYLE_INDEX_REF_SEPARATOR = "##";


    @Override
    public final Optional