Fernando Quadro

A alguns dias atrás na lista GeoServer-BR, um usuário precisou recarregar o catálogo de Geoserver sem precisar reiniciar o serviço. É possível recarregar o catálogo usando o módulo de LWP no Perl, sempre que uma nova layer for adicionada ao Geoserver. Se você tiver o Perl, o seguinte códio deve servir para você também:

#!/usr/bin/perl use HTTP::Request::Common; use HTTP::Cookies; use LWP 5.64; use strict; reload_geoserver_catalog(); sub reload_geoserver_catalog { my $browser = LWP::UserAgent->new; my $cookie_jar = HTTP::Cookies->new; #Perform geoserver authentication: my $url = 'http://localhost:8080/geoserver/admin/loginSubmit.do'; my $response = $browser->request(POST $url, ['username' => 'someusername', 'password' => 'somepassword', 'submit' => 'Submit']); die "Error: ", $response->header('WWW-Authenticate') || 'Error accessing', # ('WWW-Authenticate' is the realm-name) "\n ", $response->status_line, "\n at $url\n Aborting" unless $response->is_success; $cookie_jar->extract_cookies($response); #Load the new catalog: $url = 'http://localhost:8080/geoserver/admin/loadFromXML.do'; my $req = new HTTP::Request POST => $url; $cookie_jar->add_cookie_header($req); $response = $browser->request($req); #Finally, logout: $url = 'http://localhost:8080/geoserver/admin/logout.do'; $req = new HTTP::Request POST => $url; $cookie_jar->add_cookie_header($req); $response = $browser->request($req); }

Se você estiver usando Linux, você poderia também usar o comando curl, que pode realizar o mesmo objetivo. Veja como utilizar o curl, neste link.
Para utilizar Java, segue o código bastando apenas alterar o username/password:

// do login URL url=new URL("http://localhost:8080/geoserver/admin/loginSubmit.do?username=goeserverUser&password=geoserverPassword&submit=Submit"); URLConnection conn = url.openConnection(); InputStream inStream = conn.getInputStream(); String responseString=new String(); BufferedReader in = new BufferedReader(new InputStreamReader(inStream)); while(in.ready()) { responseString+= in.readLine(); } System.out.println("---------\nresponseString:"+responseString); // reload String cookie=conn.getHeaderField("Set-Cookie"); System.out.println("cookie-text:"+cookie); cookie = cookie.substring(0, cookie.indexOf(";")); String cookieName = cookie.substring(0, cookie.indexOf("=")); String cookieValue = cookie.substring(cookie.indexOf("=") + 1, cookie.length()); String cookieString=cookieName+"="+cookieValue; URL url2=new URL("http://localhost:8080/geoserver/admin/loadFromXML.do"); URLConnection conn2 = url2.openConnection(); conn2.setRequestProperty("Cookie",cookieString); // set the Cookie for request conn2.connect(); inStream = conn2.getInputStream(); in = new BufferedReader(new InputStreamReader(inStream)); responseString=new String(); while(in.ready()) { responseString+= in.readLine(); } System.out.println("-----------\nresponseString:"+responseString); //logout URL url3=new URL("http://localhost:8080/geoserver/admin/logout.do"); URLConnection conn3 = url3.openConnection(); conn3.setRequestProperty("Cookie",cookieString); conn3.connect(); inStream = conn3.getInputStream(); in = new BufferedReader(new InputStreamReader(inStream)); responseString=new String(); while(in.ready()) { responseString+= in.readLine(); } System.out.println("-------\nresponseString:"+responseString);

O código seguinte é em PHP, ele permite cadastrar uma FeatureType nova e então recarregar o catálogo. Para isso você necessitará incluir a classe HttpClient.class.php (http://scripts.incutio.com/httpclient/index.php). Este código é uma parte de um código que recebe apenas XML, cria uma tabela temporária no PostGIS, insere o dado e finalmente registra o novo layer no GeoServer.

<?php //Register the new data type //using geoserver configuration tool require_once('HttpClient.class.php'); //Generate a ramdom featureType name (layer) srand(time()); $layerName = (rand()%99999999); //Datastore from where the FeatureType //will be created (database in PostGIS) $datastore="localhost_postgis"; $client = new HttpClient('localhost', 8080); $client->setDebug(false); //Authenticate in Geoserver $client->post('/geoserver/admin/loginSubmit.do', array ( 'username' =>"admin";, 'password' =>"geoserver", 'submit' => 'Submit' )); $headers = $client->getHeaders(); //Sorry, not very nice but I did not //manage to make it work other way... $foo= explode(";",$headers['set-cookie']); $foo= explode("=",$foo[0]); $sessionArray = array('JSESSIONID' => $foo[1]); $client->setCookies($sessionArray); //Create a new Feature Type $client->post('/geoserver/config/data/typeNewSubmit.do', array ('selectedNewFeatureType' => $datastore.':::'.$layerName)); //edit feature details $client->post('/geov2/config/data/typeEditorSubmit.do', array ( 'styleId' => 'poi', 'SRS' => '4326', 'title' => 'temporary dataset:' . $layerName, 'minX' => '-180', 'minY' => '-90', 'maxX' => '180', 'maxY' => '90', 'keywords' => ' ', 'abstract' => 'temporary dataset:' . $layerName, 'schemaBase' => '--', 'action' => 'Submit' )); //Click Apply $client->post('/geov2/admin/saveToGeoServer.do', array ('submit' => 'Apply')); //Click Save $client->post('/geov2/admin/saveToXML.do', array ('submit' => 'Save')); ?>

Fonte: GeoServer

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