/*
* GeoServer-Manager - Simple Manager Library for GeoServer
*
* Copyright (C) 2007,2011 GeoSolutions S.A.S.
* http://www.geo-solutions.it
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package it.geosolutions.geoserver.rest.decoder;
import it.geosolutions.geoserver.rest.decoder.utils.JDOMBuilder;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.jdom.Element;
import org.jdom.Namespace;
/**
* This decode turns index format for a GeoServer StructuredGridCoverageReader into something
* useful, giving access to the definition of the single attributes.
*
* <P>This is the XML REST representation:
* <PRE>
{@code
<?xml version="1.0" encoding="UTF-8"?>
<wfs:FeatureCollection xmlns:gf="http://www.geoserver.org/rest/granules" xmlns:ogc="http://www.opengis.net/ogc" xmlns:wfs="http://www.opengis.net/wfs" xmlns:gml="http://www.opengis.net/gml">
<gml:boundedBy>
<gml:Box srsName="http://www.opengis.net/gml/srs/epsg.xml#4326">
<gml:coord>
<gml:X>5.0</gml:X>
<gml:Y>45.0</gml:Y>
</gml:coord>
<gml:coord>
<gml:X>14.875</gml:X>
<gml:Y>50.9375</gml:Y>
</gml:coord>
</gml:Box>
</gml:boundedBy>
<gml:featureMember>
<gf:V fid="V.337">
<gf:the_geom>
<gml:Polygon>
<gml:outerBoundaryIs>
<gml:LinearRing>
<gml:coordinates>5.0,45.0 5.0,50.9375 14.875,50.9375 14.875,45.0 5.0,45.0</gml:coordinates>
</gml:LinearRing>
</gml:outerBoundaryIs>
</gml:Polygon>
</gf:the_geom>
<gf:location>..\\polyphemus\\polyphemus_20130302.nc</gf:location>
<gf:imageindex>672</gf:imageindex>
<gf:time>2013-03-01T23:00:00Z</gf:time>
<gf:elevation>10.0</gf:elevation>
<gf:fileDate>2013-03-01T23:00:00Z</gf:fileDate>
<gf:updated>2013-04-08T05:40:29.061Z</gf:updated>
</gf:V>
</gml:featureMember>
</wfs:FeatureCollection>
}</PRE>
* @author Simone Giannecchini, GeoSolutions SAS
*
*/
public class RESTStructuredCoverageGranulesList implements Iterable<RESTStructuredCoverageGranulesList.RESTStructuredCoverageGranule> {
/** GML_NAMESPACE */
private static final Namespace GML_NAMESPACE = Namespace.getNamespace("gml", "http://www.opengis.net/gml");
private final List<RESTStructuredCoverageGranule> granulesList;
private final Element bbox;
/**
* @return the bbox
*/
public Element getBbox() {
return bbox;
}
/**
* @param list
*/
@SuppressWarnings("unchecked")
protected RESTStructuredCoverageGranulesList(Element featureCollection) {
// check ordering of elements
if(!featureCollection.getName().equals("FeatureCollection")){
throw new IllegalStateException("Root element should be wfs:FeatureCollection");
}
Element boundedBy = featureCollection.getChild("boundedBy",GML_NAMESPACE);
if(boundedBy==null){
throw new IllegalStateException("Unable to find boundedBy element");
}
// save bbox
bbox=boundedBy.getChild("Box",GML_NAMESPACE);
// now get the feature members
List<RESTStructuredCoverageGranule> tmpList = new ArrayList<RESTStructuredCoverageGranule>();
for(Element el : (List<Element>)featureCollection.getChildren("featureMember",GML_NAMESPACE)){
tmpList.add(new RESTStructuredCoverageGranule(el));
}
granulesList = Collections.unmodifiableList(tmpList);
}
public static RESTStructuredCoverageGranulesList build(String response) {
if(response == null)
return null;
Element pb = JDOMBuilder.buildElement(response);
if(pb != null){
return new RESTStructuredCoverageGranulesList(pb);
} else {
return null;
}
}
public int size() {
return granulesList.size();
}
public boolean isEmpty() {
return granulesList.isEmpty();
}
public RESTStructuredCoverageGranule get(int index) {
return granulesList.get(index);
}
/* (non-Javadoc)
* @see java.lang.Iterable#iterator()
*/
@Override
public Iterator<RESTStructuredCoverageGranule> iterator() {
return granulesList.iterator();
}
/**
* Generic granule of the index.
*
* <P>This is the XML REST representation:
* <PRE>
{@code
<gml:featureMember>
<gf:V fid="V.1">
<gf:the_geom>
<gml:Polygon>
<gml:outerBoundaryIs>
<gml:LinearRing>
<gml:coordinates>5.0,45.0 5.0,50.9375 14.875,50.9375 14.875,45.0 5.0,45.0</gml:coordinates>
</gml:LinearRing>
</gml:outerBoundaryIs>
</gml:Polygon>
</gf:the_geom>
<gf:location>polyphemus_20130301.nc</gf:location>
<gf:imageindex>672</gf:imageindex>
<gf:time>2013-02-28T23:00:00Z</gf:time>
<gf:elevation>10.0</gf:elevation>
<gf:fileDate>2013-02-28T23:00:00Z</gf:fileDate>
<gf:updated>2013-04-08T06:18:41.597Z</gf:updated>
</gf:V>
</gml:featureMember>
* @author Simone Giannecchini, GeoSolutions SAS
*
*/
public static class RESTStructuredCoverageGranule {
protected final Element granule;
private final String fid;
private final List<Element> children;
@SuppressWarnings("unchecked")
public RESTStructuredCoverageGranule(Element elem) {
if(!elem.getName().equals("featureMember")){
throw new IllegalStateException("Root element should be gml:featureMember for a granule");
}
Element feature = (Element) elem.getChildren().get(0);
if(feature==null){
throw new IllegalStateException("Unable to find feature element for this granule");
}
this.granule = feature;
this.fid=granule.getAttribute("fid").getValue();
this.children=granule.getChildren();
}
public String getAttributeByName(String name) {
return granule.getChildTextTrim(name,null);
}
public String getAttributeByIndex(int index) {
return children.get(index).getValue();
}
@SuppressWarnings("unchecked")
public Iterator<Element> getAttributesIterator() {
return granule.getChildren().iterator();
}
/**
* @return the fid
*/
public String getFid() {
return fid;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(this.getClass().getSimpleName()).append('[');
for (Element c : (List<Element>)granule.getChildren()) {
String text = c.getText();
if(text!= null) {
text = text.replace("\n", "");
text = text.trim();
}
sb.append('(').append(c.getName()).append("=").append(text).append(')');
}
sb.append(']');
return sb.toString();
}
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("RESTStructuredCoverageGranulesList [");
if (bbox != null) {
builder.append("bbox=");
builder.append(bbox);
}
if (granulesList != null) {
builder.append("granulesList={");
for(RESTStructuredCoverageGranule granule:granulesList){
builder.append(granule);
}
builder.append("}, ");
}
builder.append("]");
return builder.toString();
}
}