127 lines
4.7 KiB
Java
127 lines
4.7 KiB
Java
package org.gcube.portlets.widgets.netcdfbasicwidgets.server;
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import java.net.MalformedURLException;
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import java.net.URL;
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import javax.servlet.ServletException;
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import org.gcube.portlets.widgets.netcdfbasicwidgets.client.rpc.NetCDFBasicWidgetService;
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import org.gcube.portlets.widgets.netcdfbasicwidgets.server.netcdf.NetCDFResource;
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import org.gcube.portlets.widgets.netcdfbasicwidgets.server.util.ServiceCredentials;
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import org.gcube.portlets.widgets.netcdfbasicwidgets.shared.exception.ServiceException;
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import org.gcube.portlets.widgets.netcdfbasicwidgets.shared.netcdf.NetCDFData;
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import org.gcube.portlets.widgets.netcdfbasicwidgets.shared.netcdf.NetCDFId;
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import org.gcube.portlets.widgets.netcdfbasicwidgets.shared.netcdf.NetCDFValues;
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import org.gcube.portlets.widgets.netcdfbasicwidgets.shared.netcdf.VariableData;
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import org.gcube.portlets.widgets.netcdfbasicwidgets.shared.session.UserInfo;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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/**
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*
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* @author Giancarlo Panichi
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*
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*
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*/
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@SuppressWarnings("serial")
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public class NetCDFBasicWidgetServiceImpl extends RemoteServiceServlet implements NetCDFBasicWidgetService {
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private static Logger logger = LoggerFactory.getLogger(NetCDFBasicWidgetServiceImpl.class);
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/**
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* {@inheritDoc}
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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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logger.info("NetCDFBasicWidgetService started!");
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}
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@Override
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public UserInfo hello() throws ServiceException {
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try {
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ServiceCredentials serviceCredentials = SessionUtil.getServiceCredentials(this.getThreadLocalRequest());
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logger.debug("hello()");
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UserInfo userInfo = new UserInfo(serviceCredentials.getUserName(), serviceCredentials.getGroupId(),
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serviceCredentials.getGroupName(), serviceCredentials.getScope(), serviceCredentials.getEmail(),
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serviceCredentials.getFullName());
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logger.debug("UserInfo: " + userInfo);
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return userInfo;
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} catch (ServiceException e) {
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e.printStackTrace();
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throw e;
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} catch (Throwable e) {
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logger.error("Error in hello(): " + e.getLocalizedMessage(), e);
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throw new ServiceException(e.getLocalizedMessage(), e);
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}
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}
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@Override
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public NetCDFData getNetCDFFromPublicLink(String publicLink) throws ServiceException {
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try {
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ServiceCredentials serviceCredentials = SessionUtil.getServiceCredentials(this.getThreadLocalRequest());
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URL url;
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try {
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url = new URL(publicLink);
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} catch (MalformedURLException e) {
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logger.error(e.getLocalizedMessage(), e);
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throw new ServiceException(e.getLocalizedMessage(), e);
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}
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NetCDFResource netCDFResource = new NetCDFResource(url);
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NetCDFData netCDFData = netCDFResource.exploreNetCDF();
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SessionUtil.setNetCDFData(netCDFData, this.getThreadLocalRequest(), serviceCredentials);
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return netCDFData;
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} catch (ServiceException e) {
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logger.error("Error in getCDFResourceFromPublicLink(): " + e.getLocalizedMessage(), e);
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throw e;
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} catch (Exception e) {
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logger.error("Error in getCDFResourceFromPublicLink(): " + e.getLocalizedMessage(), e);
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throw new ServiceException(e.getLocalizedMessage(), e);
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}
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}
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@Override
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public NetCDFValues readDataVariable(NetCDFId netCDFId, VariableData variableData, boolean sample, int limit)
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throws ServiceException {
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try {
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ServiceCredentials serviceCredentials=SessionUtil.getServiceCredentials(this.getThreadLocalRequest());
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SessionUtil.getNetCDFData(netCDFId, this.getThreadLocalRequest(), serviceCredentials);
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NetCDFResource netCDFResource = new NetCDFResource(netCDFId);
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NetCDFValues netCDFValues = netCDFResource.readDataVariable(variableData, sample, limit);
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return netCDFValues;
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} catch (ServiceException e) {
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logger.error("Error in getCDFResourceFromItem(): " + e.getLocalizedMessage(), e);
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throw e;
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} catch (Exception e) {
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logger.error("Error in getCDFResourceFromItem(): " + e.getLocalizedMessage(), e);
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throw new ServiceException(e.getLocalizedMessage(), e);
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}
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}
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@Override
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public void closeNetCDF(NetCDFId netCDFId) throws ServiceException {
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try {
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ServiceCredentials serviceCredentials = SessionUtil.getServiceCredentials(this.getThreadLocalRequest());
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SessionUtil.getNetCDFData(netCDFId, this.getThreadLocalRequest(),
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serviceCredentials);
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NetCDFResource netCDFResource = new NetCDFResource(netCDFId);
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netCDFResource.close();
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SessionUtil.removeNetCDFData(netCDFId, this.getThreadLocalRequest(), serviceCredentials);
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} catch (ServiceException e) {
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logger.error("Error in closeNetCDF(): " + e.getLocalizedMessage(), e);
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throw e;
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} catch (Exception e) {
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logger.error("Error in closeNetCDF(): " + e.getLocalizedMessage(), e);
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throw new ServiceException(e.getLocalizedMessage(), e);
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}
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}
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} |