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svn-gvsig-desktop / branches / v02_desarrollo / libraries / sld / temp / org.gvsig.sldsupport.lib.impl / src / main / java / org / gvsig / sldsupport / impl / sld1_0_0 / parsing / FillElement.java @ 40799

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package org.gvsig.sldsupport.impl.sld1_0_0.parsing;
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import java.io.IOException;
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import org.gvsig.sldsupport.exception.SLDReadException;
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import org.gvsig.sldsupport.impl.util.SLDUtils;
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import org.gvsig.sldsupport.sld.SLDTags;
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import org.gvsig.sldsupport.sld.graphic.SLDGraphicFill;
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import org.gvsig.sldsupport.sld.symbol.misc.SLDFill;
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import org.gvsig.sldsupport.sld.symbol.misc.SLDSvgCssParameter;
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import org.kxml2.io.KXmlParser;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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public class FillElement {
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        public static SLDFill parse(XmlPullParser parser , String version)
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                        throws XmlPullParserException, IOException, SLDReadException {
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                parser.require(KXmlParser.START_TAG, null, SLDTags.FILL);
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                int tag = 0;
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                SLDFill resp = new SLDFill();
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                tag = parser.nextTag();
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                String name = parser.getName();
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                String txt = null;
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                String attName = null;
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                while (!(SLDUtils.isStr(name, SLDTags.FILL) && tag == KXmlParser.END_TAG)) {
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                        switch (tag) {
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                        case KXmlParser.START_TAG:
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                                if (SLDUtils.isStr(name, SLDTags.GRAPHICFILL)) {
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                                        SLDGraphicFill gf = GraphicFillElement.parse(parser, version);
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                                        /*
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                                         * SLDFill has a 'fillGraphic' field which is a Graphic,
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                                         * it does not have a field of FillGraphic type which
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                                         * has a graphic (we are collapsing an element)
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                                         */
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                                        resp.setFillGraphic(gf.getGraphic());
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                                        break;
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                                }
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                                if (SLDUtils.isStr(name, SLDTags.CSSPARAMETER)
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                                                || SLDUtils.isStr(name, SLDTags.SVGPARAMETER)) {
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                                        SLDSvgCssParameter sp = SvgCssParameterElement.parse(parser, version);
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                                        if (SLDUtils.isStr(sp.getName(), SLDTags.FILL_ATTR)) {
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                                                if (sp.getExpressionList().size() > 0) {
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                                                        // Using first item only
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                                                        resp.setFillColor(sp.getExpressionList().get(0));
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                                                }
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                                        } else {
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                                                if (SLDUtils.isStr(sp.getName(), SLDTags.FILLOPACITY_ATTR)) {
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                                                        if (sp.getExpressionList().size() > 0) {
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                                                                // Using first item only
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                                                                resp.setOpacity(sp.getExpressionList().get(0));
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                                                        }
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                                                }
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                                        }
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                                        break;
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                                }
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                                /*
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                                 * Any other entity causes parsing error
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                                 */
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                                throw new SLDReadException(
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                                                "Bad SLD file. Unexpected entity in fill element: " + name);
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                        case KXmlParser.END_TAG:
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                                break;
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                        case KXmlParser.TEXT:
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                                break;
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                        }
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                        tag = parser.getEventType();
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                        name = parser.getName();
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                }
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                parser.nextTag();
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                return resp;
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        }
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}