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exmple_requests.js
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import xpath from 'xpath';
import xmldom from 'xmldom';
//const cswUrl = 'https://nationaalgeoregister.nl/geonetwork/srv/dut/csw-inspire';
const cswUrl = 'https://data.linz.govt.nz/services/csw?service=CSW&version=2.0.2&request=GetRecords';
const briefTitleSearch = `<?xml version="1.0" encoding="UTF-8"?>
<csw:GetRecords xmlns:csw="http://www.opengis.net/cat/csw/2.0.2"
service="CSW"
version="2.0.2"
resultType="results"
startPosition="1"
maxRecords="10"
xmlns:ogc="http://www.opengis.net/ogc"
xmlns:gml="http://www.opengis.net/gml"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:dct="http://purl.org/dc/terms/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.opengis.net/cat/csw/2.0.2
http://schemas.opengis.net/csw/2.0.2/CSW-discovery.xsd">
<csw:Query typeNames="csw:Record">
<csw:ElementSetName>brief</csw:ElementSetName>
<csw:Constraint version="1.1.0">
<ogc:Filter>
<ogc:PropertyIsLike wildCard="%" singleChar="_" escapeChar="\">
<ogc:PropertyName>dc:title</ogc:PropertyName>
<ogc:Literal>%water%</ogc:Literal>
</ogc:PropertyIsLike>
</ogc:Filter>
</csw:Constraint>
</csw:Query>
</csw:GetRecords>`;
const fullAnySearch = `<?xml version="1.0" encoding="UTF-8"?>
<csw:GetRecords xmlns:csw="http://www.opengis.net/cat/csw/2.0.2"
service="CSW"
version="2.0.2"
resultType="results"
startPosition="1"
maxRecords="10"
xmlns:ogc="http://www.opengis.net/ogc"
xmlns:gml="http://www.opengis.net/gml"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:dct="http://purl.org/dc/terms/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.opengis.net/cat/csw/2.0.2
http://schemas.opengis.net/csw/2.0.2/CSW-discovery.xsd">
<csw:Query typeNames="csw:Record">
<csw:ElementSetName>full</csw:ElementSetName>
<csw:Constraint version="1.1.0">
<ogc:Filter>
<ogc:And>
<ogc:PropertyIsLike wildCard="%" singleChar="_" escapeChar="\\">
<ogc:PropertyName>AnyText</ogc:PropertyName>
<ogc:Literal>%water%</ogc:Literal>
</ogc:PropertyIsLike>
<ogc:PropertyIsEqualTo>
<ogc:PropertyName>type</ogc:PropertyName>
<ogc:Literal>service</ogc:Literal>
</ogc:PropertyIsEqualTo>
</ogc:And>
</ogc:Filter>
</csw:Constraint>
</csw:Query>
</csw:GetRecords>`
const serviceSearch = `<?xml version="1.0" encoding="UTF-8"?>
<csw:GetRecords xmlns:csw="http://www.opengis.net/cat/csw/2.0.2"
service="CSW"
version="2.0.2"
resultType="results"
startPosition="1"
maxRecords="10"
xmlns:ogc="http://www.opengis.net/ogc"
xmlns:gml="http://www.opengis.net/gml"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:dct="http://purl.org/dc/terms/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.opengis.net/cat/csw/2.0.2
http://schemas.opengis.net/csw/2.0.2/CSW-discovery.xsd">
<csw:Query typeNames="csw:Record">
<csw:ElementSetName>full</csw:ElementSetName>
<csw:Constraint version="1.1.0">
<ogc:Filter>
<ogc:PropertyIsEqualTo>
<ogc:PropertyName>apiso:Type</ogc:PropertyName>
<ogc:Literal>service</ogc:Literal>
</ogc:PropertyIsEqualTo>
</ogc:Filter>
</csw:Constraint>
</csw:Query>
</csw:GetRecords>`
const extentSearch = `<?xml version="1.0" encoding="UTF-8"?>
<csw:GetRecords xmlns:csw="http://www.opengis.net/cat/csw/2.0.2"
service="CSW"
version="2.0.2"
resultType="results"
startPosition="1"
maxRecords="10"
xmlns:ogc="http://www.opengis.net/ogc"
xmlns:gml="http://www.opengis.net/gml"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:dct="http://purl.org/dc/terms/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.opengis.net/cat/csw/2.0.2
http://schemas.opengis.net/csw/2.0.2/CSW-discovery.xsd">
<csw:Query typeNames="csw:Record">
<csw:ElementSetName>full</csw:ElementSetName>
<csw:Constraint version="1.1.0">
<ogc:Filter>
<ogc:And>
<ogc:PropertyIsLike wildCard="%" singleChar="_" escapeChar="\\">
<ogc:PropertyName>AnyText</ogc:PropertyName>
<ogc:Literal>%water%</ogc:Literal>
</ogc:PropertyIsLike>
<ogc:PropertyIsEqualTo>
<ogc:PropertyName>type</ogc:PropertyName>
<ogc:Literal>service</ogc:Literal>
</ogc:PropertyIsEqualTo>
<ogc:BBOX>
<ogc:PropertyName>ows:BoundingBox</ogc:PropertyName>
<gml:Envelope>
<gml:lowerCorner>4.811 52.273</gml:lowerCorner>
<gml:upperCorner>5.003 52.425</gml:upperCorner>
</gml:Envelope>
</ogc:BBOX>
</ogc:And>
</ogc:Filter>
</csw:Constraint>
</csw:Query>
</csw:GetRecords>`;
const withinExtentSearch = `<?xml version="1.0" encoding="UTF-8"?>
<csw:GetRecords xmlns:csw="http://www.opengis.net/cat/csw/2.0.2"
service="CSW"
version="2.0.2"
resultType="results"
startPosition="1"
maxRecords="10"
xmlns:ogc="http://www.opengis.net/ogc"
xmlns:gml="http://www.opengis.net/gml"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:dct="http://purl.org/dc/terms/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.opengis.net/cat/csw/2.0.2
http://schemas.opengis.net/csw/2.0.2/CSW-discovery.xsd">
<csw:Query typeNames="csw:Record">
<csw:ElementSetName>full</csw:ElementSetName>
<csw:Constraint version="1.1.0">
<ogc:Filter>
<ogc:And>
<ogc:PropertyIsLike wildCard="%" singleChar="_" escapeChar="\\">
<ogc:PropertyName>AnyText</ogc:PropertyName>
<ogc:Literal>%water%</ogc:Literal>
</ogc:PropertyIsLike>
<ogc:PropertyIsEqualTo>
<ogc:PropertyName>type</ogc:PropertyName>
<ogc:Literal>service</ogc:Literal>
</ogc:PropertyIsEqualTo>
<ogc:Within>
<ogc:PropertyName>ows:BoundingBox</ogc:PropertyName>
<gml:Envelope>
<gml:lowerCorner>0.91 50.17</gml:lowerCorner>
<gml:upperCorner>9.64 54.15</gml:upperCorner>
</gml:Envelope>
</ogc:Within>
</ogc:And>
</ogc:Filter>
</csw:Constraint>
</csw:Query>
</csw:GetRecords>`
fetch(cswUrl, {
method: 'POST',
headers: {
'Content-Type': 'application/xml',
},
body: serviceSearch
})
.then(response => response.text()) // Assuming the response is XML, get it as text
.then(str => {
//console.log(str);
return (new xmldom.DOMParser()).parseFromString(str, "text/xml")})
.then(data => {
// Process the XML data here
// For example, extracting titles from the response
//const titles = data.querySelectorAll('dc\\:title, title');
const select = xpath.useNamespaces({
"dc": "http://purl.org/dc/elements/1.1/",
"csw": "http://www.opengis.net/cat/csw/2.0.2"
});
const records = select('//csw:Record', data);
console.log(`Number of records found: ${records.length}`)
records.forEach(record => {
const title = select('.//dc:title', record)[0].textContent;
const uri = select('.//dc:URI', record)[0].textContent;
console.log(`Title: ${title}, URI: ${uri}`);
});
})
.catch(error => console.error('Error:', error));