org.jclouds.ibmdev.xml.LocationHandler.java Source code

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Here is the source code for org.jclouds.ibmdev.xml.LocationHandler.java

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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
 *
 * ====================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 License for the specific language governing permissions and
 * limitations under the License.
 * ====================================================================
 */

package org.jclouds.ibmdev.xml;

import java.util.Map;

import javax.annotation.Resource;

import org.jclouds.http.functions.ParseSax;
import org.jclouds.ibmdev.domain.Location;
import org.jclouds.logging.Logger;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;

import com.google.common.collect.Maps;

/**
 * @author Adrian Cole
 */
public class LocationHandler extends ParseSax.HandlerWithResult<Location> {
    private StringBuilder currentText = new StringBuilder();

    private String id;
    private String name;
    private String description;
    private String location;
    private Map<String, Map<String, String>> capabilities = Maps.newLinkedHashMap();
    private String capabilityName;
    private String capabilityKey;

    @Resource
    protected Logger logger = Logger.NULL;

    private Location loc;

    public Location getResult() {
        return loc;
    }

    @Override
    public void startElement(String uri, String localName, String qName, Attributes attributes)
            throws SAXException {
        if (qName.equalsIgnoreCase("Capability")) {
            capabilityName = attributes.getValue(attributes.getIndex("id"));
            capabilities.put(capabilityName, Maps.<String, String>newLinkedHashMap());
        } else if (qName.equalsIgnoreCase("Entry")) {
            capabilityKey = attributes.getValue(attributes.getIndex("key"));
        }
    }

    @Override
    public void endElement(String uri, String localName, String qName) throws SAXException {
        if (qName.equalsIgnoreCase("ID")) {
            id = currentText.toString().trim();
        } else if (qName.equalsIgnoreCase("Name")) {
            name = currentText.toString().trim();
        } else if (qName.equalsIgnoreCase("Description")) {
            description = currentText.toString().trim();
            if (description.equals(""))
                description = null;
        } else if (qName.equalsIgnoreCase("Value")) {
            capabilities.get(capabilityName).put(capabilityKey, currentText.toString().trim());
        } else if (qName.equalsIgnoreCase("Location")) {
            if (currentText.toString().trim().equals("")) {
                this.loc = new Location(id, name, description, location, capabilities);
                id = null;
                name = null;
                description = null;
                location = null;
                capabilities = Maps.newLinkedHashMap();
                capabilityKey = null;
                capabilityName = null;
            } else {
                location = currentText.toString().trim();
            }
        }
        currentText = new StringBuilder();
    }

    public void characters(char ch[], int start, int length) {
        currentText.append(ch, start, length);
    }
}