Java tutorial
/* ==================================================================== * * Copyright (C) 2012 GeoSolutions S.A.S. * http://www.geo-solutions.it * * GPLv3 + Classpath exception * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. * * ==================================================================== * * This software consists of voluntary contributions made by developers * of GeoSolutions. For more information on GeoSolutions, please see * <http://www.geo-solutions.it/>. * */ package it.geosolutions.geostore.services.rest.impl; import it.geosolutions.geostore.core.model.Category; import it.geosolutions.geostore.core.model.Resource; import it.geosolutions.geostore.core.model.User; import it.geosolutions.geostore.services.CategoryService; import it.geosolutions.geostore.services.ResourceService; import it.geosolutions.geostore.services.SecurityService; import it.geosolutions.geostore.services.StoredDataService; import it.geosolutions.geostore.services.dto.ShortResource; import it.geosolutions.geostore.services.dto.search.AndFilter; import it.geosolutions.geostore.services.dto.search.BaseField; import it.geosolutions.geostore.services.dto.search.CategoryFilter; import it.geosolutions.geostore.services.dto.search.FieldFilter; import it.geosolutions.geostore.services.dto.search.SearchFilter; import it.geosolutions.geostore.services.dto.search.SearchOperator; import it.geosolutions.geostore.services.exception.BadRequestServiceEx; import it.geosolutions.geostore.services.exception.InternalErrorServiceEx; import it.geosolutions.geostore.services.rest.RESTMiscService; import it.geosolutions.geostore.services.rest.exception.BadRequestWebEx; import it.geosolutions.geostore.services.rest.exception.ConflictWebEx; import it.geosolutions.geostore.services.rest.exception.InternalErrorWebEx; import it.geosolutions.geostore.services.rest.exception.NotFoundWebEx; import it.geosolutions.geostore.services.rest.model.ResourceList; import it.geosolutions.geostore.services.rest.model.ShortResourceList; import it.geosolutions.geostore.services.rest.security.GroupsRolesService; import java.util.List; import javax.ws.rs.core.SecurityContext; import org.apache.commons.lang.NotImplementedException; import org.apache.log4j.Logger; import org.springframework.beans.BeansException; import org.springframework.beans.factory.InitializingBean; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; /** * Class RESTMiscServiceImpl. * * @author ETj (etj at geo-solutions.it) * @author Tobia di Pisa (tobia.dipisa at geo-solutions.it) */ public class RESTMiscServiceImpl extends RESTServiceImpl implements RESTMiscService, ApplicationContextAware { private final static Logger LOGGER = Logger.getLogger(RESTMiscServiceImpl.class); private CategoryService categoryService; private ResourceService resourceService; private StoredDataService storedDataService; private ApplicationContext appContext; /* * (non-Javadoc) * * @see it.geosolutions.geostore.services.rest.RESTMiscService#getData(javax.ws.rs.core.SecurityContext, java.lang.String, java.lang.String) */ @Override public String getData(SecurityContext sc, String catName, String resName) throws NotFoundWebEx, ConflictWebEx, BadRequestWebEx, InternalErrorWebEx { if (LOGGER.isDebugEnabled()) LOGGER.debug("getData(" + catName + "," + resName + ")"); if (catName == null) throw new BadRequestWebEx("Category is null"); if (resName == null) throw new BadRequestWebEx("Resource is null"); SearchFilter filter = new AndFilter(new CategoryFilter(catName, SearchOperator.EQUAL_TO), new FieldFilter(BaseField.NAME, resName, SearchOperator.EQUAL_TO)); List<Resource> resources = null; try { User user = extractAuthUser(sc); resources = resourceService.getResourcesFull(filter, user); } catch (BadRequestServiceEx ex) { throw new BadRequestWebEx(ex.getMessage()); } catch (InternalErrorServiceEx ex) { throw new InternalErrorWebEx(ex.getMessage()); } if (resources.isEmpty()) { throw new NotFoundWebEx("No resource found"); } else if (resources.size() > 1) { throw new ConflictWebEx("Too many resources match the request"); } return resources.get(0).getData().getData(); } /* * (non-Javadoc) * * @see it.geosolutions.geostore.services.rest.RESTMiscService#getResource(javax.ws.rs.core.SecurityContext, java.lang.String, java.lang.String) */ @Override public Resource getResource(SecurityContext sc, String catName, String resName) throws NotFoundWebEx, ConflictWebEx, BadRequestWebEx, InternalErrorWebEx { if (LOGGER.isDebugEnabled()) LOGGER.debug("getResource(" + catName + "," + resName + ")"); if (catName == null) throw new BadRequestWebEx("Category is null"); if (resName == null) throw new BadRequestWebEx("Resource is null"); SearchFilter filter = new AndFilter(new CategoryFilter(catName, SearchOperator.EQUAL_TO), new FieldFilter(BaseField.NAME, resName, SearchOperator.EQUAL_TO)); List<Resource> resources = null; try { User user = extractAuthUser(sc); resources = resourceService.getResourcesFull(filter, user); } catch (BadRequestServiceEx ex) { throw new BadRequestWebEx(ex.getMessage()); } catch (InternalErrorServiceEx ex) { throw new InternalErrorWebEx(ex.getMessage()); } if (resources.isEmpty()) { throw new NotFoundWebEx("No resource found"); } else if (resources.size() > 1) { throw new ConflictWebEx("Too many resources match the request"); } return resources.get(0); } /* * (non-Javadoc) * * @see it.geosolutions.geostore.services.rest.RESTMiscService#getResource(javax.ws.rs.core.SecurityContext, java.lang.String, java.lang.String) */ @Override public ShortResourceList getResourcesByCategory(SecurityContext sc, String catName) throws NotFoundWebEx, ConflictWebEx, BadRequestWebEx, InternalErrorWebEx { if (LOGGER.isDebugEnabled()) LOGGER.debug("getResourcesByCategory(" + catName + ")"); // some checks on category if (catName == null) throw new BadRequestWebEx("Category is null"); Category category; try { category = categoryService.get(catName); } catch (BadRequestServiceEx ex) { throw new BadRequestWebEx(ex.getMessage()); } if (category == null) throw new NotFoundWebEx("Category not found"); // ok, search for the resource list SearchFilter filter = new CategoryFilter(catName, SearchOperator.EQUAL_TO); List<ShortResource> resources = null; try { User user = extractAuthUser(sc); resources = resourceService.getResources(filter, user); } catch (BadRequestServiceEx ex) { throw new BadRequestWebEx(ex.getMessage()); } catch (InternalErrorServiceEx ex) { throw new InternalErrorWebEx(ex.getMessage()); } return new ShortResourceList(resources); } /* * (non-Javadoc) * * @see it.geosolutions.geostore.services.rest.RESTMiscService#getResource(javax.ws.rs.core.SecurityContext, java.lang.String, java.lang.String) */ @Override public ResourceList getResourcesByCategory(SecurityContext sc, String catName, boolean includeAttributes, boolean includeData) throws NotFoundWebEx, ConflictWebEx, BadRequestWebEx, InternalErrorWebEx { if (LOGGER.isDebugEnabled()) LOGGER.debug("getResourcesByCategory(" + catName + ")"); // some checks on category if (catName == null) throw new BadRequestWebEx("Category is null"); Category category; try { category = categoryService.get(catName); } catch (BadRequestServiceEx ex) { throw new BadRequestWebEx(ex.getMessage()); } if (category == null) throw new NotFoundWebEx("Category not found"); // ok, search for the resource list SearchFilter filter = new CategoryFilter(catName, SearchOperator.EQUAL_TO); List<Resource> resources = null; try { User user = extractAuthUser(sc); resources = resourceService.getResources(filter, null, null, includeAttributes, includeData, user); } catch (BadRequestServiceEx ex) { throw new BadRequestWebEx(ex.getMessage()); } catch (InternalErrorServiceEx ex) { throw new InternalErrorWebEx(ex.getMessage()); } return new ResourceList(resources); } // ========================================================================= public void setCategoryService(CategoryService categoryService) { this.categoryService = categoryService; } public void setResourceService(ResourceService resourceService) { this.resourceService = resourceService; } public void setStoredDataService(StoredDataService storedDataService) { this.storedDataService = storedDataService; } /* (non-Javadoc) * @see it.geosolutions.geostore.services.rest.impl.RESTServiceImpl#getSecurityService() */ @Override protected SecurityService getSecurityService() { throw new NotImplementedException("This method is not implemented yet..."); } @Override public void reload(SecurityContext sc, String service) throws BadRequestWebEx { String reloadService = service; if (appContext != null) { if (!appContext.containsBean(reloadService)) { reloadService = reloadService + "Initializer"; } if (!appContext.containsBean(reloadService)) { throw new BadRequestWebEx("No service named " + service + " to reload"); } InitializingBean bean = appContext.getBean(reloadService, InitializingBean.class); if (bean != null) { try { bean.afterPropertiesSet(); } catch (Exception e) { throw new BadRequestWebEx(e.getMessage()); } } } } @Override public void setApplicationContext(ApplicationContext appContext) throws BeansException { this.appContext = appContext; } }