LgTvEventChannelChanged.java

/**
 * Copyright (c) 2010-2016 by the respective copyright holders.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.openhab.binding.lgtv.lginteraction;

import java.io.StringReader;
import java.io.StringWriter;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;

/**
 * This class handles xml encoded channel changed messages receiver.
 *
 * @author Martin Fluch
 * @since 1.6.0
 */
public class LgTvEventChannelChanged {

    @XmlRootElement(name = "envelope")
    @XmlAccessorType(XmlAccessType.FIELD)
    public static class envelope {

        @XmlElement(name = "api")
        private onechannel channel;

        public onechannel getchannel() {
            return channel;
        }

    }

    @XmlAccessorType(XmlAccessType.FIELD)
    public static class onechannel {
        @XmlElement(name = "name")
        private String eventname;

        @XmlElement(name = "chtype")
        private String chtype;

        @XmlElement(name = "major")
        private int major;

        @XmlElement(name = "minor")
        private int minor;

        @XmlElement(name = "sourceIndex")
        private int sourceindex;

        @XmlElement(name = "physicalNum")
        private int physicalnum;

        @XmlElement(name = "chname")
        private String chname;

        public int getmajor() {
            return major;
        }

        public int getminor() {
            return minor;
        }

        public int getsourceindex() {
            return sourceindex;
        }

        public int getphysicalnum() {
            return physicalnum;
        }

        public String getchname() {
            return chname;
        }

        public String geteventname() {
            return eventname;
        }
    }

    private envelope envel;

    public String readevent(String s) throws JAXBException {

        JAXBContext jc;
        jc = JAXBContext.newInstance(envelope.class);
        Unmarshaller unmarshaller = jc.createUnmarshaller();
        int start = s.indexOf("<envelope>");
        int stop = s.indexOf("</envelope>") + "</envelope>".length();
        String t = s.substring(start, stop);
        // System.out.println(t);
        StringReader reader = new StringReader(t);
        envel = null;

        envel = (envelope) unmarshaller.unmarshal(reader);

        Marshaller marshaller = jc.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
        StringWriter sw = new StringWriter();
        marshaller.marshal(envel, sw);
        return new String(sw.toString());

    }

    public envelope getenvel() {
        return envel;
    }

}