csw-client

A very simple CSW client

Prerequisite

• Node.js >= 8.0

Features

• Fetch capabilities
• Fetch records
• Harvest (w/ Stream API)
• Support ISO 19139 (including Inspire profile)
• Support Dublin Core

Installation

npm install csw-client

Usage

Create a client

const csw = require('csw-client');
const client = csw('http://your-csw-server.tld/csw', options);

Options

| Name | Description | Type | Default value | | ---- | ----------- | ---- | ------------- | | userAgent | User-Agent string you want to use in requests | string | "CSWBot" | | gzip | enable compression | boolean | true | | timeout | requests will fail after X ms | integer | disabled |

Harvest

Stream API

client.harvest(options).pipe(outputStream);

Alternative

client.harvest(options)
    .on('record', record => console.log(record.type))
    .on('error', err => console.error(err))
    .on('end', () => console.log('Finished!'))
    .resume();

Options

| Name | Description | Type | Default value | | ---- | ----------- | ---- | ------------- | | step | number of records asked by GetRecords request | integer | 20 | | concurrency | number of concurrent GetRecords requests | integer | 5 |

Events

| Name | Description | Properties | | ---- | ----------- | ---------- | | record | a new record is found | type: record typebody: parsed value | | started | harvesting has started | none | | failed | harvesting has failed | none | | end | harvesting has ended | none |