net.echinopsii.ariane.community.core.directory.wat.json.ds.technical.network.SubnetJSON.java Source code

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Here is the source code for net.echinopsii.ariane.community.core.directory.wat.json.ds.technical.network.SubnetJSON.java

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/**
 * Directory WAT
 * Subnet to JSON tools
 * Copyright (C) 06/05/14 echinopsii
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.echinopsii.ariane.community.core.directory.wat.json.ds.technical.network;

import com.fasterxml.jackson.core.JsonEncoding;
import com.fasterxml.jackson.core.JsonGenerator;
import net.echinopsii.ariane.community.core.directory.base.model.technical.network.Datacenter;
import net.echinopsii.ariane.community.core.directory.base.model.technical.network.Subnet;
import net.echinopsii.ariane.community.core.directory.base.model.technical.system.OSInstance;
import net.echinopsii.ariane.community.core.directory.wat.DirectoryBootstrap;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.HashSet;
import java.util.Iterator;

/**
 * Our own object to JSON tools as :
 *  - we can have cycle in object graphs
 *  - we still want to have references to linked objects through IDs (and so we don't want @XmlTransient or @JsonIgnore)
 */
public class SubnetJSON {

    public final static String SUBNET_ID = "subnetID";
    public final static String SUBNET_VERSION = "subnetVersion";
    public final static String SUBNET_NAME = "subnetName";
    public final static String SUBNET_DESCRIPTION = "subnetDescription";
    public final static String SUBNET_IP = "subnetIP";
    public final static String SUBNET_MASK = "subnetMask";
    public final static String SUBNET_TYPE = "subnetType";
    public final static String SUBNET_OSI_ID = "subnetOSInstancesID";
    public final static String SUBNET_DATACENTERS_ID = "subnetDatacentersID";
    public final static String SUBNET_MAREA_ID = "subnetRoutingAreaID";

    public final static void subnet2JSON(Subnet subnet, JsonGenerator jgenerator) throws IOException {
        jgenerator.writeStartObject();
        jgenerator.writeNumberField(SUBNET_ID, subnet.getId());
        jgenerator.writeNumberField(SUBNET_VERSION, subnet.getVersion());
        jgenerator.writeStringField(SUBNET_NAME, subnet.getName());
        jgenerator.writeStringField(SUBNET_DESCRIPTION, subnet.getDescription());
        jgenerator.writeStringField(SUBNET_IP, subnet.getSubnetIP());
        jgenerator.writeStringField(SUBNET_MASK, subnet.getSubnetMask());
        jgenerator.writeStringField(SUBNET_TYPE, subnet.getRarea().getType());

        jgenerator.writeArrayFieldStart(SUBNET_OSI_ID);
        for (OSInstance osi : subnet.getOsInstances())
            jgenerator.writeNumber(osi.getId());
        jgenerator.writeEndArray();

        jgenerator.writeArrayFieldStart(SUBNET_DATACENTERS_ID);
        for (Datacenter dc : subnet.getDatacenters())
            jgenerator.writeNumber(dc.getId());
        jgenerator.writeEndArray();

        jgenerator.writeNumberField(SUBNET_MAREA_ID,
                ((subnet.getRarea() != null) ? subnet.getRarea().getId() : -1));

        jgenerator.writeEndObject();
    }

    public final static void oneSubnet2JSON(Subnet subnet, ByteArrayOutputStream outStream) throws IOException {
        JsonGenerator jgenerator = DirectoryBootstrap.getjFactory().createGenerator(outStream, JsonEncoding.UTF8);
        SubnetJSON.subnet2JSON(subnet, jgenerator);
        jgenerator.close();
    }

    public final static void manySubnets2JSON(HashSet<Subnet> subnets, ByteArrayOutputStream outStream)
            throws IOException {
        JsonGenerator jgenerator = DirectoryBootstrap.getjFactory().createGenerator(outStream, JsonEncoding.UTF8);
        jgenerator.writeStartObject();
        jgenerator.writeArrayFieldStart("subnets");
        Iterator<Subnet> iter = subnets.iterator();
        while (iter.hasNext()) {
            Subnet current = iter.next();
            SubnetJSON.subnet2JSON(current, jgenerator);
        }
        jgenerator.writeEndArray();
        jgenerator.writeEndObject();
        jgenerator.close();
    }
}