Java tutorial
/* Copyright 2015 esbtools Contributors and/or its affiliates. This file is part of esbtools. 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 3 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. If not, see <http://www.gnu.org/licenses/>. */ package org.esbtools.gateway; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.ObjectWriter; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; import java.io.StringWriter; public abstract class GatewayRequest { private final ObjectMapper objectMapper = new ObjectMapper(); public abstract void ensureRequiredPropertiesHaveValues(); public abstract String toString(); public String toXML() { StringWriter thisXML = new StringWriter(); try { JAXBContext jaxbContext = JAXBContext.newInstance(this.getClass()); Marshaller jaxbMarshaller = jaxbContext.createMarshaller(); jaxbMarshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true); jaxbMarshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8"); jaxbMarshaller.marshal(this, thisXML); } catch (JAXBException e) { throw new RuntimeException(e); } return thisXML.toString(); } public String toJson() { String thisJson; try { ObjectWriter ow = objectMapper.writer().withDefaultPrettyPrinter(); thisJson = ow.writeValueAsString(this); } catch (JsonProcessingException e) { throw new RuntimeException(e); } return thisJson; } }