Mercurial > dive4elements > gnv-client
diff geo-backend/src/main/java/de/intevation/gnv/geobackend/base/query/container/DefaultQueryContainer.java @ 132:5a583cff97ea
Implementation of the Datainfrastructure for fetching Data from different DataStores.
geo-backend/trunk@12 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
---|---|
date | Fri, 04 Sep 2009 08:11:30 +0000 |
parents | |
children | ff1b7967e6b9 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/geo-backend/src/main/java/de/intevation/gnv/geobackend/base/query/container/DefaultQueryContainer.java Fri Sep 04 08:11:30 2009 +0000 @@ -0,0 +1,63 @@ +/** + * + */ +package de.intevation.gnv.geobackend.base.query.container; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.Properties; + +import de.intevation.gnv.geobackend.base.query.container.exception.QueryContainerException; + +/** + * Defaultimplementation of an QueryContainer. + * All Queries are provided using a Propertiescontainer. + * @author Tim Englich <tim.englich@intevation.de> + */ +public class DefaultQueryContainer implements QueryContainer { + + /** + * The Properties-Object all Queries are provided in. + */ + private Properties queries = null; + + /** + * Constructor + */ + public DefaultQueryContainer() { + super(); + } + + /** + * @see de.intevation.gnv.geobackend.base.query.container.QueryContainer#gerQueryIDs() + */ + public Collection<String> gerQueryIDs() throws QueryContainerException { + //TODO: Typsicherheit herstellen. + Collection returnValue = null; + if (this.queries != null){ + returnValue = this.queries.keySet(); + }else{ + returnValue = new ArrayList<String>(0); + } + return returnValue; + } + + /** + * @see de.intevation.gnv.geobackend.base.query.container.QueryContainer#getQuery(java.lang.String) + */ + public String getQuery(String queryID) throws QueryContainerException { + String returnValue = null; + if (this.queries != null){ + returnValue = this.queries.getProperty(queryID); + } + return returnValue; + } + + /** + * @see de.intevation.gnv.geobackend.base.query.container.QueryContainer#initialize(java.util.Properties) + */ + public void initialize(Properties properties) throws QueryContainerException { + this.queries = properties; + } + +}