gvsig-projects-pool / org.gvsig.vcsgis / trunk / org.gvsig.vcsgis / org.gvsig.vcsgis.lib / org.gvsig.vcsgis.lib.impl / src / main / java / org / gvsig / vcsgis / lib / server / handlers / UpdateHandler.java @ 3375
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/*
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2020 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.vcsgis.lib.server.handlers; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.Writer; |
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import java.util.Collections; |
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import java.util.Map; |
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import javax.json.JsonException; |
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import javax.json.JsonObject; |
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import javax.json.JsonReader; |
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import javax.json.stream.JsonGenerator; |
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import javax.json.stream.JsonGeneratorFactory; |
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import org.apache.commons.io.IOUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.apache.commons.lang3.mutable.MutableObject; |
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import org.gvsig.json.Json; |
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import org.gvsig.vcsgis.lib.repository.VCSGisRepository; |
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import org.gvsig.vcsgis.lib.repository.VCSGisRepositoryData; |
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import org.gvsig.vcsgis.lib.repository.requests.VCSGisRequest; |
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import org.gvsig.vcsgis.lib.repository.requests.VCSGisUpdateRequest; |
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import static org.gvsig.vcsgis.lib.server.handlers.AbstractVCSGisServertHandler.LOGGER; |
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/**
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*
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* @author gvSIG Team
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*/
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@SuppressWarnings("UseSpecificCatch") |
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public class UpdateHandler extends AbstractVCSGisServertHandler { |
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private static final String REQUEST_NAME = "Update"; |
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public UpdateHandler(VCSGisRepository repository) {
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super(repository, REQUEST_NAME);
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} |
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@Override
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protected void requestProducer(MutableObject<VCSGisRequest>req,Map<String,String> params, InputStream request_contents) throws IOException { |
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LOGGER.debug("===: ["+this.getName()+"] requestProducer 1"); |
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JsonObject jsonParameters = null;
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try {
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JsonReader reader = Json.createReader(request_contents); |
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JsonObject jsonRequest = reader.readObject(); |
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jsonParameters = jsonRequest.getJsonObject("Parameters");
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} catch (JsonException e) {
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//Do nothing
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} |
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String entityName = params.get("EntityName");; |
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if( jsonParameters != null ) { |
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entityName = jsonParameters.getString("EntityName", entityName);
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} |
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VCSGisUpdateRequest request = this.getRepository().createUpdateRequest(entityName);
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request.setAuthenticationTokenAndUser(params); |
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if( jsonParameters == null ) { |
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request.setLocalRevisionCode(params.get("LocalRevisionCode"));
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} else {
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request.setLocalRevisionCode(jsonParameters.getString("LocalRevisionCode", params.get("LocalRevisionCode"))); |
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} |
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req.setValue(request); |
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// notifyRequestConsumers();
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LOGGER.debug("===: ["+this.getName()+"] requestProducer 2 notifyRequestConsumers"); |
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notifyRequestConsumers(); |
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LOGGER.debug("===: ["+this.getName()+"] requestProducer 3 return"); |
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} |
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@Override
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protected void responseProducer(VCSGisRequest req, Writer response_contents) throws IOException { |
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LOGGER.debug("===: ["+this.getName()+"] responseProducer 1"); |
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final VCSGisUpdateRequest request = (VCSGisUpdateRequest) req;
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JsonGenerator gen = null;
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try {
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JsonGeneratorFactory genFactory = Json.createGeneratorFactory( |
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Collections.singletonMap(JsonGenerator.PRETTY_PRINTING, true) |
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); |
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gen = genFactory.createGenerator(response_contents); |
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LOGGER.debug("===: ["+this.getName()+"] responseProducer 2"); |
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gen.writeStartObject(); |
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gen.writeStartObject("Parameters");
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gen.write("StatusCode", request.getLastErrorCode());
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LOGGER.debug("===: ["+this.getName()+"] responseProducer 3"); |
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notifyResponseConsumers(); |
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gen.flush(); |
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if( StringUtils.isBlank(request.getLastErrorMessage()) ) {
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gen.writeNull("StatusMessage");
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} else {
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gen.write("StatusMessage", request.getLastErrorMessage());
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} |
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gen.write("Entity", request.getEntity().toJson());
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gen.writeEnd(); // Paramaters
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LOGGER.debug("===: ["+this.getName()+"] responseProducer 4"); |
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gen.writeStartArray("Data");
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for (VCSGisRepositoryData data : request.getData()) {
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gen.write(data.toJson()); |
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gen.flush(); |
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} |
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LOGGER.debug("===: ["+this.getName()+"] responseProducer 5"); |
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gen.writeEnd(); // Data
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gen.writeEnd(); |
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LOGGER.debug("===: ["+this.getName()+"] responseProducer 6 gen.flush()"); |
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gen.flush(); |
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LOGGER.debug("===: ["+this.getName()+"] responseProducer 7 response_contents.flush()"); |
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response_contents.flush(); |
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LOGGER.debug("===: ["+this.getName()+"] responseProducer 8 end"); |
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} catch (Exception ex) { |
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LOGGER.warn("Can't produce Json data for "+this.getName()+" response.",ex); |
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} finally {
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LOGGER.debug("===: ["+this.getName()+"] responseProducer finally"); |
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IOUtils.closeQuietly(gen); |
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// IOUtils.closeQuietly(response_contents);
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} |
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} |
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} |