MetadataDiscoverResource.java

/*
 * Copyright (C) 2011 Marius Giepz
 *
 * 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.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * 
 * 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; if not, write to the Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 *
 */

package org.saiku.adhoc.rest;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.engine.classic.core.util.PageFormatFactory;
import org.saiku.adhoc.exceptions.MetadataException;
import org.saiku.adhoc.model.master.ReportTemplate;
import org.saiku.adhoc.model.metadata.impl.MetadataModel;
import org.saiku.adhoc.model.metadata.impl.MetadataModelInfo;
import org.saiku.adhoc.providers.IMetadataProvider;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

@Component
@Path("/saiku-adhoc/rest/discover")
@Scope("request")
public class MetadataDiscoverResource {
	
    IMetadataProvider metadataProvider;
    
    private static final Log log = LogFactory.getLog(MetadataDiscoverResource.class);
    
    //
    public void setMetadataProvider(IMetadataProvider mdmds) {
        metadataProvider = mdmds;
    }
    
    /**
     * Returns the datasources available.
     */
    @GET
    @Produces({"application/json" })
    @Path("/{locale}")
     public MetadataModelInfo[] getModelInfos(
    		 @PathParam("locale") String locale		 
     ) {
    	try {
    		
    		if (log.isDebugEnabled()) {
    			log.debug("REST:GET " + " getModelInfos");
    		}
    		
			return metadataProvider.getBusinessModels("",locale);
		} catch (MetadataException e) {
			log.error(this.getClass().getName(),e);
			return new MetadataModelInfo[]{};
		}
    }

	@GET
    @Produces({"application/json" })
	@Path("/{domainId}/{modelId}/model")
     public MetadataModel getModel(
    		 @PathParam("domainId") String domainId,
    		 @PathParam("modelId") String modelId		 
     		) 
    {
		try {
			
    		if (log.isDebugEnabled()) {
    			log.debug("REST:GET " + " getModel domainId=" + domainId + " modelId=" + modelId);
    		}
			
			String strippedDomainId = URLDecoder.decode(domainId,"UTF-8");
			return metadataProvider.loadModel(strippedDomainId + "/metadata.xmi",modelId);
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return null;		
	}   
	
	
    /**
     * Returns the available templates.
     */
    @GET
    @Produces({"application/json" })
    @Path("/templates")
	public ReportTemplate[] getReportTemplates(){
		
    	return metadataProvider.loadTemplates();
		
	}
    
    /**
     * Returns the available page formats.
     */
    @GET
    @Produces({"application/json" })
    @Path("/pageformats")
	public String[] getPageFormats(){
    	
    	return PageFormatFactory.getInstance().getPageFormats();
		
	}
	
}