removed old resolver
git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/data-transfer/uri-resolver@174012 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
parent
91ee3a1171
commit
e033d9b43d
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@ -1,599 +0,0 @@
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/**
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*
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*/
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package org.gcube.datatransfer.resolver.gis.geonetwork;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.StringReader;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Enumeration;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Timer;
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import java.util.TimerTask;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.io.IOUtils;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.datatransfer.resolver.GeonetworkRequestFilterParameters;
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import org.gcube.datatransfer.resolver.GeonetworkRequestFilterParameters.MODE;
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import org.gcube.datatransfer.resolver.GeonetworkRequestFilterParameters.VISIBILITY;
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import org.gcube.datatransfer.resolver.gis.GeonetworkAccessParameter;
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import org.gcube.datatransfer.resolver.gis.GeonetworkInstance;
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import org.gcube.datatransfer.resolver.gis.GeonetworkServiceInterface;
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import org.gcube.datatransfer.resolver.gis.exception.GeonetworkInstanceException;
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import org.gcube.datatransfer.resolver.util.GetResponseRecordFilter;
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import org.gcube.datatransfer.resolver.util.HTTPCallsUtils;
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import org.gcube.datatransfer.resolver.util.HTTPCallsUtils.HttpResponse;
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import org.gcube.spatial.data.geonetwork.configuration.Configuration;
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import org.gcube.spatial.data.geonetwork.model.Account;
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import org.gcube.spatial.data.geonetwork.model.Account.Type;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.w3c.dom.Document;
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/**
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* The Class GeonetworkResolver.
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*
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* Works as a proxy in order to authenticate HTTP POST calls on gCube Geonetwork servers discovered by SCOPE on gCube Information System
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* Used by gCube Data Catalog for harvesting metadata
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* May 12, 2016
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*/
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public class GeonetworkResolver extends HttpServlet{
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/**
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*
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*/
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public static final String SRV_EN_MEF_EXPORT = "/srv/en/mef.export"; //MEF Geonetwork service
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/**
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*
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*/
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public static final String UUID = "uuid";
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/**
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*
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*/
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public static final String APPLICATION_XML = "application/xml";
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/**
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*
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*/
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private static final long serialVersionUID = -61097584153314181L;
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public static final String SCOPE = "scope";
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public static final String REMAIN_PATH_PARAM = "remainPath";
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public static final String RESET_CACHE_PARAM = "resetcache";
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public static final String RESET_CACHED_SCOPE_PARAM = "resetcachedscope";
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public static final String CSW_SERVER = "srv/en/csw";
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// public static final String PARAMETER_FILTER_PUBLIC_IDS = UriResolverRewriteFilter.PARAMETER_FILTER_PUBLIC_IDS;
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// public static final String PARAMETER_NO_AUTHENTICATION = UriResolverRewriteFilter.PARAMETER_NO_AUTHENTICATION;
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/** The logger. */
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private static final Logger logger = LoggerFactory.getLogger(GeonetworkResolver.class);
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protected Map<String, GeonetworkInstance> cacheGNInstances; //A cache: scope - GeonetworkInstance
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private Timer timer;
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//THIRTY MINUTES
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public static final long CACHE_RESET_TIME = 30*60*1000;
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//TEN SECONDS
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public static final long CACHE_RESET_DELAY = 10*1000;
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/* (non-Javadoc)
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* @see javax.servlet.GenericServlet#init()
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*/
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@Override
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public void init() throws ServletException {
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super.init();
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timer = new Timer(true);
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timer.schedule(new TimerTask() {
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@Override
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public void run() {
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logger.info("Resetting Geonetwork configuratiors cache...");
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purgeCacheGeonetworkInstances();
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}
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}, CACHE_RESET_DELAY, CACHE_RESET_TIME);
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}
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/* (non-Javadoc)
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* @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
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* This call is not authenticated
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*/
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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logger.info("doGET running... query string: "+req.getQueryString());
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String scopeValue = req.getParameter(SCOPE);
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String remainValue = req.getParameter(REMAIN_PATH_PARAM);
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String mode = req.getParameter(GeonetworkRequestFilterParameters.MODE.class.getSimpleName());
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String visibility = req.getParameter(GeonetworkRequestFilterParameters.VISIBILITY.class.getSimpleName());
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String owner = req.getParameter(GeonetworkRequestFilterParameters.OWNER_PARAM);
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String resetCache = req.getParameter(RESET_CACHE_PARAM);
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String resetScope = req.getParameter(RESET_CACHED_SCOPE_PARAM);
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String originalScope = ScopeProvider.instance.get();
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if (scopeValue == null || scopeValue.equals("")) {
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logger.debug("Scope not found");
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sendError(resp, HttpServletResponse.SC_BAD_REQUEST, SCOPE+" not found or empty");
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return;
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}
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MODE theMode;
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VISIBILITY theVisibility;
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theMode = GeonetworkRequestFilterParameters.MODE.valueOf(mode);
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theVisibility = GeonetworkRequestFilterParameters.VISIBILITY.valueOf(visibility);
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if(resetCache!=null && Boolean.parseBoolean(resetCache)){
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purgeCacheGeonetworkInstances();
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}
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if(resetScope!=null && Boolean.parseBoolean(resetScope)){
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resetGeonetoworkInstanceCacheForScope(scopeValue);
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}
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logger.info("SCOPE: " + scopeValue);
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logger.info("MODE is: "+theMode);
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logger.info("VISIBILITY is: "+theVisibility);
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logger.info(GeonetworkRequestFilterParameters.OWNER_PARAM +" is: "+owner);
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try {
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GeonetworkInstance gnInstance = getGeonetworkInstanceForScope(scopeValue);
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// if(gnInstance==null){
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// logger.info("GeonetworkInstance not istanciable via geonetwork library.. using ");
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// ServerParameters serverParams = getGeonetworkCachedServerParameters(scopeValue);
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// gnInstance = gntwAccess.getGeonetworkInstance();
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// }
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ScopeProvider.instance.set(scopeValue);
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HTTPCallsUtils httpUtils = new HTTPCallsUtils();
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Configuration config = gnInstance.getGeonetworkPublisher().getConfiguration();
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String geonetworkUrl = config.getGeoNetworkEndpoint();
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// boolean authorized = GNAuthentication.login(httpUtils, geonetworkParams.getUrl(), geonetworkParams.getUser(), geonetworkParams.getPassword());
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// logger.trace("Authorized on "+geonetworkParams +" ? "+authorized);
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String newQueryString = purgeScopeFromQueryString(scopeValue, req.getQueryString());
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logger.trace("Purged query string from "+scopeValue+" is: "+newQueryString);
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String baseURL = remainValue==null ||remainValue.isEmpty()?geonetworkUrl+"/"+CSW_SERVER:geonetworkUrl+"/"+CSW_SERVER+remainValue;
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logger.trace("New base URL "+baseURL);
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newQueryString = purgeRemainFromQueryString(remainValue, newQueryString);
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logger.trace("Purged query string from "+remainValue+" is: "+newQueryString);
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String gnGetlURL = newQueryString==null || newQueryString.isEmpty()? baseURL : baseURL+"?"+newQueryString;
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logger.info("Sending get request to URL: "+gnGetlURL);
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HttpResponse response = httpUtils.get(gnGetlURL);
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switch(response.getStatus()){
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case HttpServletResponse.SC_OK:
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logger.info("Response return Content-Type: "+httpUtils.getLastContentType());
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resp.setContentType(httpUtils.getLastContentType());
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InputStream in = IOUtils.toInputStream(response.getResponse());
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OutputStream out = resp.getOutputStream();
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try{
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int bytes = IOUtils.copy(in, out);
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if(bytes==0)
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logger.warn("ResponseBody is empty, returning empty resp");
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}catch(Exception e){
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logger.error("Error on copy response:", e);
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}finally{
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IOUtils.closeQuietly(in);
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}
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break;
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case HttpServletResponse.SC_FORBIDDEN:
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sendError(resp, response.getStatus(), "Sorry, you are not authorized to perform this request");
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break;
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default:
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sendError(resp, response.getStatus(), "Sorry, an error occurred on resolving geonetwork request with scope "+scopeValue);
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}
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} catch (Exception e) {
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logger.error("Exception:", e);
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String error = "Sorry, an error occurred on resolving geonetwork request with scope "+scopeValue+". Please, contact support!";
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sendError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, error);
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return;
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}finally{
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if(originalScope!=null){
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ScopeProvider.instance.set(originalScope);
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logger.info("scope provider set to orginal scope: "+originalScope);
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}else{
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ScopeProvider.instance.reset();
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logger.info("scope provider reset");
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}
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}
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}
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/**
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* Purge remain from query string.
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*
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* @param remain_value the scope
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* @param queryString the query string
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* @return the string
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*/
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private static String purgeRemainFromQueryString(String remain_value, String queryString){
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// SCOPE is: /gcube/devsec/devVRE
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// [INFO ] 2016-04-05 15:01:42,808 org.gcube.datatransfer.resolver.gis.geonetwork.GeonetworkResolver -
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// Query String is: scope=/gcube/devsec/devVRE&version=2.0.2&request=GetCapabilities&service=CSW
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int start = queryString.indexOf(REMAIN_PATH_PARAM+"=");
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if(start>=0){
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int end = queryString.indexOf("&", start);
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if(end==-1 && queryString.length()==(REMAIN_PATH_PARAM+"="+remain_value).length()){ //SCOPE IS THE UNIQUE PARAMETER INTO QUETY STRING
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logger.debug("Scope is the unique parameter, returning empty query string");
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return "";
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}else if(end<queryString.length())
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return queryString.substring(end+1, queryString.length());
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}
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return queryString;
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}
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/**
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* Purge scope from query string.
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*
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* @param scope_value the scope
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* @param queryString the query string
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* @return the string
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*/
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private static String purgeScopeFromQueryString(String scope_value, String queryString){
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// SCOPE is: /gcube/devsec/devVRE
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// [INFO ] 2016-04-05 15:01:42,808 org.gcube.datatransfer.resolver.gis.geonetwork.GeonetworkResolver -
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// Query String is: scope=/gcube/devsec/devVRE&version=2.0.2&request=GetCapabilities&service=CSW
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int start = queryString.indexOf(SCOPE+"=");
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if(start>=0){
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int end = queryString.indexOf("&", start);
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if(end==-1 && queryString.length()==(SCOPE+"="+scope_value).length()){ //SCOPE IS THE UNIQUE PARAMETER INTO QUETY STRING
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logger.debug("Scope is the unique parameter, returning empty query string");
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return "";
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}else if(end<queryString.length())
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return queryString.substring(end+1, queryString.length());
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}
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return queryString;
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}
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/* (non-Javadoc)
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* @see javax.servlet.http.HttpServlet#doPost(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
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* This call is authenticated
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*/
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@SuppressWarnings("resource")
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@Override
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protected void doPost(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {
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/*MultiReadHttpServletRequest req2;
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if(req instanceof MultiReadHttpServletRequest)
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req2 = (MultiReadHttpServletRequest) req;*/
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String originalScope = ScopeProvider.instance.get();
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logger.info("doPost running...");
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String scope = req.getParameter(SCOPE);
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String remainValue = req.getParameter(REMAIN_PATH_PARAM);
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String mode = req.getParameter(GeonetworkRequestFilterParameters.MODE.class.getSimpleName());
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String visibility = req.getParameter(GeonetworkRequestFilterParameters.VISIBILITY.class.getSimpleName());
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String theOwner = req.getParameter(GeonetworkRequestFilterParameters.OWNER_PARAM);
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//boolean filterPublicMetadata = false;
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boolean noAuthenticationB = false;
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MODE theMode;
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VISIBILITY theVisibility;
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if (scope == null || scope.equals("")) {
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logger.debug("Scope not found");
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sendError(resp, HttpServletResponse.SC_BAD_REQUEST, SCOPE+" not found or empty");
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return;
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}
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theMode = GeonetworkRequestFilterParameters.MODE.valueOf(mode);
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theVisibility = GeonetworkRequestFilterParameters.VISIBILITY.valueOf(visibility);
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logger.info(SCOPE +" is: " + scope);
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logger.info(GeonetworkRequestFilterParameters.MODE.class.getSimpleName() +" is: "+theMode);
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logger.info(GeonetworkRequestFilterParameters.VISIBILITY.class.getSimpleName() +" is: "+theVisibility);
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logger.info(GeonetworkRequestFilterParameters.OWNER_PARAM +" is: "+theOwner);
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try {
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GeonetworkServiceInterface gntwAccess = new GeonetworkAccessParameter(scope);
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GeonetworkInstance gnInstance = gntwAccess.getGeonetworkInstance();
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ScopeProvider.instance.set(scope);
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logger.info("set scope provider "+scope);
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Configuration config = gnInstance.getGeonetworkPublisher().getConfiguration();
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Account account = config.getScopeConfiguration().getAccounts().get(Type.CKAN);
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logger.info("CKAN user owner is: "+account.getUser());
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logger.info("Parameters..");
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for (Enumeration<String> e = req.getParameterNames(); e.hasMoreElements();){
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String p = e.nextElement();
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logger.debug("param "+p + " value "+Arrays.toString(req.getParameterValues(p)));
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}
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//DEBUG BODY
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// String readBody = IOUtils.toString(req.getReader());
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// logger.debug("doPost read body request: "+readBody);
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ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
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String geonetworkUrl = config.getGeoNetworkEndpoint();
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// SPECIFIC HANDLER FOR GEONETWORK REQUEST: /srv/en/mef.export
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String gnCSWlURL;
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if(remainValue!=null && remainValue.compareTo(SRV_EN_MEF_EXPORT)==0){
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logger.info("In case of mef.export, perfoming a custom handler");
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gnCSWlURL = geonetworkUrl + SRV_EN_MEF_EXPORT;
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String[] uuidValues = req.getParameterValues(UUID);
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if(uuidValues!=null){
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String data = null;
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for (String uuid : uuidValues) {
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data = UUID+"="+uuid;
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}
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if(data!=null){
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logger.debug("Writing "+data +" into byte array");
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|
||||||
byteArray.write(data.getBytes());
|
|
||||||
}else
|
|
||||||
IOUtils.copy(req.getReader(), byteArray);
|
|
||||||
}else
|
|
||||||
IOUtils.copy(req.getReader(), byteArray);
|
|
||||||
}else{
|
|
||||||
gnCSWlURL = remainValue==null ||remainValue.isEmpty()?geonetworkUrl+"/"+CSW_SERVER:geonetworkUrl+"/"+CSW_SERVER+remainValue;
|
|
||||||
IOUtils.copy(req.getReader(), byteArray);
|
|
||||||
}
|
|
||||||
|
|
||||||
//filterPublicMetadata = theVisibility.equals(VISIBILITY.PRV)?true:false;
|
|
||||||
|
|
||||||
HTTPCallsUtils httpUtils = new HTTPCallsUtils();
|
|
||||||
|
|
||||||
//PRIVATE LAYERS
|
|
||||||
if(theVisibility.equals(VISIBILITY.PRV)){
|
|
||||||
logger.debug("Visibility: "+VISIBILITY.PRV+" getting private layers..");
|
|
||||||
//VRE LAYERS
|
|
||||||
if(theMode.equals(MODE.VRE)){
|
|
||||||
logger.debug("Getting "+MODE.VRE+" layers..");
|
|
||||||
|
|
||||||
//HARVESTED LAYERS
|
|
||||||
}else{
|
|
||||||
logger.debug("Getting "+MODE.HARVEST+" layers, I'm using the owner: '"+theOwner +"' passed as parameter to filter layer/s returned..");
|
|
||||||
if(theOwner==null || theOwner.isEmpty()){
|
|
||||||
String error = "Harvest owner is missing. It is not possible to filter layers for the request "+MODE.HARVEST + " in the scope: "+scope+", without a valid owner as input";
|
|
||||||
logger.error(error);
|
|
||||||
sendError(resp, HttpServletResponse.SC_BAD_REQUEST, error);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if(account.getUser()!=null){
|
|
||||||
boolean authorized = GNAuthentication.login(httpUtils, geonetworkUrl, account.getUser(), account. getPassword());
|
|
||||||
logger.trace("Authorized on "+geonetworkUrl +" ? "+authorized);
|
|
||||||
}else
|
|
||||||
logger.info("Skipping authentication, ckan user (the owner) is null");
|
|
||||||
|
|
||||||
//PUBLIC LAYERS
|
|
||||||
}else{
|
|
||||||
logger.debug("Visibility: "+VISIBILITY.PUB+" getting public layers..");
|
|
||||||
//VRE LAYERS
|
|
||||||
if(theMode.equals(MODE.VRE)){
|
|
||||||
logger.debug("Getting "+MODE.VRE+" layers, the VRE account: "+account.getUser() +" will be used as owner user for filtering... Is it right?");
|
|
||||||
theOwner = account.getUser();
|
|
||||||
|
|
||||||
//HARVESTED LAYERS
|
|
||||||
}else{
|
|
||||||
logger.debug("Getting "+MODE.HARVEST+" layers, I'm using the owner: '"+theOwner +"' passed as parameter to filter layer/s returned..");
|
|
||||||
if(theOwner==null || theOwner.isEmpty()){
|
|
||||||
String error = "Harvest owner is missing. It is not possible to filter layers for the request "+MODE.HARVEST + " in the scope: "+scope+", without a valid owner as input";
|
|
||||||
logger.error(error);
|
|
||||||
sendError(resp, HttpServletResponse.SC_BAD_REQUEST, error);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
logger.info("Sending CSW POST request to URL: "+gnCSWlURL);
|
|
||||||
logger.debug("Content-Type: "+req.getContentType());
|
|
||||||
//DEBUG
|
|
||||||
//logger.debug("POST - BODY : "+byteArray.toString());
|
|
||||||
InputStream in = httpUtils.post(gnCSWlURL, new ByteArrayInputStream(byteArray.toByteArray()), req.getContentType(), req.getParameterMap());
|
|
||||||
//END DEBUG
|
|
||||||
logger.debug("Response return Content-Type: "+httpUtils.getLastContentType());
|
|
||||||
resp.setContentType(httpUtils.getLastContentType());
|
|
||||||
OutputStream out = resp.getOutputStream();
|
|
||||||
|
|
||||||
if(in==null){
|
|
||||||
logger.warn("Input stream returned is null, sending "+HttpServletResponse.SC_NOT_FOUND);
|
|
||||||
resp.sendError(HttpServletResponse.SC_NOT_FOUND);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
try{
|
|
||||||
|
|
||||||
ReusableInputStream reus = new ReusableInputStream(in);
|
|
||||||
|
|
||||||
if(theVisibility.equals(VISIBILITY.PRV)){
|
|
||||||
logger.info("Private VISIBILITY performing so getting public file identifiers to apply filtering..");
|
|
||||||
FilterGetRecords filterGetRecords = new FilterGetRecords(byteArray.toString());
|
|
||||||
if(filterGetRecords.getFoundPublicIds()!=null && filterGetRecords.getFoundPublicIds().size()>0){
|
|
||||||
logger.info("I'm removing list of public IDs with "+filterGetRecords.getFoundPublicIds().size() +" item/s. Is it right?");
|
|
||||||
in = GetResponseRecordFilter.overrideResponseIdsByListIds(reus, filterGetRecords.getFoundPublicIds(), "Replaced a public UUID, please ignore");
|
|
||||||
}
|
|
||||||
}else {
|
|
||||||
|
|
||||||
logger.info("Public VISIBILITY perfoming check on ownership...");
|
|
||||||
Document doc = GetResponseRecordFilter.inputStreamToW3CDocument(reus);
|
|
||||||
List<String> fileIdentifiers = GetResponseRecordFilter.getTextContentStringsForTagName(doc, "gmd:fileIdentifier");
|
|
||||||
List<String> noMatchingOwner = new ArrayList<String>();
|
|
||||||
for (String fileId : fileIdentifiers) {
|
|
||||||
String own = GetResponseRecordFilter.getMetaCategoryByFileIdentifier(fileId, config.getGeoNetworkEndpoint(),config.getAdminAccount().getUser(), config.getAdminAccount().getPassword());
|
|
||||||
//String own = GetResponseRecordFilter.getMetaOwnerNameByFileIdentifier(fileId, config.getGeoNetworkEndpoint(),config.getAdminAccount().getUser(), config.getAdminAccount().getPassword());
|
|
||||||
if(own.compareTo(theOwner)!=0){
|
|
||||||
logger.debug("Owner of file Identifier "+fileId+" not matching the owner passed: "+theOwner+", removing it..");
|
|
||||||
noMatchingOwner.add(fileId);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if(noMatchingOwner.size()>0){
|
|
||||||
logger.info("Removing "+noMatchingOwner.size()+" layer/s not macthing the owner: "+theOwner);
|
|
||||||
in = GetResponseRecordFilter.overrideResponseIdsByListIds(reus, noMatchingOwner, "Replaced UUID owned by another user, please ignore");
|
|
||||||
}else{
|
|
||||||
logger.info("No replace on UUIDs was applied for the owner: "+theOwner);
|
|
||||||
in = reus;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
ReusableInputStream reusIs = new ReusableInputStream(in);
|
|
||||||
int bytes = IOUtils.copy(reusIs, out);
|
|
||||||
//logger.trace("POST - RETURN : "+IOUtils.toString(reusIs));
|
|
||||||
|
|
||||||
if(bytes==0)
|
|
||||||
logger.warn("ResponseBody is empty, returning empty resp");
|
|
||||||
}catch(Exception e){
|
|
||||||
logger.error("Error on copy response:", e);
|
|
||||||
}finally{
|
|
||||||
IOUtils.closeQuietly(in);
|
|
||||||
}
|
|
||||||
|
|
||||||
} catch (IllegalArgumentException e){
|
|
||||||
logger.error("IllegalArgumentException:", e);
|
|
||||||
sendError(resp, HttpServletResponse.SC_BAD_REQUEST, "Illegal argument to carry out the request!");
|
|
||||||
return;
|
|
||||||
|
|
||||||
} catch (Exception e) {
|
|
||||||
logger.error("Exception:", e);
|
|
||||||
String error = "Sorry, an error occurred on resolving geonetwork request with scope "+scope+". Please, contact support!";
|
|
||||||
sendError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, error);
|
|
||||||
return;
|
|
||||||
}finally{
|
|
||||||
if(originalScope!=null){
|
|
||||||
ScopeProvider.instance.set(originalScope);
|
|
||||||
logger.info("scope provider set to orginal scope: "+originalScope);
|
|
||||||
}else{
|
|
||||||
ScopeProvider.instance.reset();
|
|
||||||
logger.info("scope provider reset");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Gets the geonetwork instance for scope.
|
|
||||||
*
|
|
||||||
* @param scope the scope
|
|
||||||
* @return the geonetwork instance for scope
|
|
||||||
* @throws Exception the exception
|
|
||||||
*/
|
|
||||||
protected GeonetworkInstance getGeonetworkInstanceForScope(String scope) throws Exception{
|
|
||||||
|
|
||||||
if(cacheGNInstances==null)
|
|
||||||
purgeCacheGeonetworkInstances();
|
|
||||||
|
|
||||||
logger.info("Attempt to get geonetwork instance from GeonetworkInstance cache for scope: "+scope);
|
|
||||||
GeonetworkInstance geoInstance = cacheGNInstances.get(scope);
|
|
||||||
|
|
||||||
if(geoInstance==null){
|
|
||||||
logger.info("Cache having null GeonetworkInstance for scope "+scope+", reading by Geonetwork library...");
|
|
||||||
try {
|
|
||||||
geoInstance = discoveryGeonetworkInstance(scope);
|
|
||||||
cacheGNInstances.put(scope, geoInstance);
|
|
||||||
logger.info("Updated GeonetworkInstance Cache adding couple: Scope "+scope+" - GeonetworkInstance "+geoInstance);
|
|
||||||
} catch (Exception e) {
|
|
||||||
logger.error("An error occurred on reading GeonetworkInstance for scope "+scope, e);
|
|
||||||
throw new Exception("Sorry, An error occurred on reading GeonetworkInstance for scope "+scope);
|
|
||||||
}
|
|
||||||
}else
|
|
||||||
logger.info("GeonetworkInstance cache for scope: "+scope+" is not null using it: "+geoInstance);
|
|
||||||
|
|
||||||
return geoInstance;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Discovery geonetwork instance.
|
|
||||||
*
|
|
||||||
* @param scope the scope
|
|
||||||
* @return the geonetwork instance
|
|
||||||
* @throws GeonetworkInstanceException the geonetwork instance exception
|
|
||||||
*/
|
|
||||||
private GeonetworkInstance discoveryGeonetworkInstance(String scope) throws GeonetworkInstanceException{
|
|
||||||
|
|
||||||
GeonetworkAccessParameter gntwAccess = new GeonetworkAccessParameter(scope);
|
|
||||||
return gntwAccess.getGeonetworkInstance(true, null);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Reset geonetowork instance cache for scope.
|
|
||||||
*
|
|
||||||
* @param scope the scope
|
|
||||||
*/
|
|
||||||
private void resetGeonetoworkInstanceCacheForScope(String scope){
|
|
||||||
if(cacheGNInstances!=null && cacheGNInstances.get(scope)!=null){
|
|
||||||
cacheGNInstances.remove(scope);
|
|
||||||
logger.info("Reset of "+scope+" in Cache Geonetwork server params perfomed!");
|
|
||||||
}else
|
|
||||||
logger.info("Reset of "+scope+" in Cache Geonetwork skipped, scope not exists!");
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Purge cache geonetwork instances.
|
|
||||||
*/
|
|
||||||
private void purgeCacheGeonetworkInstances(){
|
|
||||||
cacheGNInstances = new HashMap<String, GeonetworkInstance>();
|
|
||||||
logger.info("Reset of GeonetworkInstance cache perfomed!");
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Send error.
|
|
||||||
*
|
|
||||||
* @param response the response
|
|
||||||
* @param status the status
|
|
||||||
* @param message the message
|
|
||||||
* @throws IOException Signals that an I/O exception has occurred.
|
|
||||||
*/
|
|
||||||
protected void sendError(HttpServletResponse response, int status, String message) throws IOException
|
|
||||||
{
|
|
||||||
// response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
|
|
||||||
response.setStatus(status);
|
|
||||||
logger.info("error message: "+message);
|
|
||||||
logger.info("writing response...");
|
|
||||||
StringReader sr = new StringReader(message);
|
|
||||||
IOUtils.copy(sr, response.getOutputStream());
|
|
||||||
|
|
||||||
// response.getWriter().write(resultMessage.toString());
|
|
||||||
logger.info("response writed");
|
|
||||||
response.flushBuffer();
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Url redirect.
|
|
||||||
*
|
|
||||||
* @param req the req
|
|
||||||
* @param response the response
|
|
||||||
* @param redirectTo the redirect to
|
|
||||||
* @throws IOException Signals that an I/O exception has occurred.
|
|
||||||
*/
|
|
||||||
protected void urlRedirect(HttpServletRequest req, HttpServletResponse response, String redirectTo) throws IOException {
|
|
||||||
response.sendRedirect(response.encodeRedirectURL(redirectTo));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue