Synnefo

/*

 * Copyright 2011 GRNET S.A. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or

 * without modification, are permitted provided that the following

 * conditions are met:

 *

 *   1. Redistributions of source code must retain the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer.

 *

 *   2. Redistributions in binary form must reproduce the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer in the documentation and/or other materials

 *      provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 *

 * The views and conclusions contained in the software and

 * documentation are those of the authors and should not be

 * interpreted as representing official policies, either expressed

 * or implied, of GRNET S.A.

 */

package gr.grnet.pithos.web.client.rest.resource;

import java.io.Serializable;

import com.google.gwt.json.client.JSONObject;

import com.google.gwt.user.client.ui.TreeItem;

public abstract class RestResource implements Serializable{

        String uri;

        public RestResource(String aUri) {

                super();

                setUri(aUri);

        }

        /**

         * Retrieve the uri.

         *

         * @return the uri

         */

        public String getUri() {

                return uri;

        }

        /**

         * Modify the uri.

         *

         * @param aUri the path to set

         */

        public void setUri(String aUri) {

                uri = aUri;

                if (uri!=null) {

                        // Remove any parameter part

                        int qm = uri.indexOf('?');

                        if (qm>=0) uri = uri.substring(0, qm);

                }

        }

        public abstract void createFromJSON(String text);

        protected String unmarshallString(JSONObject obj, String key){

                if(obj.get(key) != null)

                        if(obj.get(key).isString() != null)

                                return obj.get(key).isString().stringValue();

                return null;

        }

        protected int unmarshallInt(JSONObject obj, String key){

                if(obj.get(key) != null)

                        if(obj.get(key).isNumber() != null)

                                return (int) obj.get(key).isNumber().getValue();

                return -1;

        }

        protected boolean unmarshallBoolean(JSONObject obj, String key){

                if(obj.get(key) != null)

                        if(obj.get(key).isBoolean() != null)

                                return obj.get(key).isBoolean().booleanValue();

                return false;

        }

        public static native String getDate(Long ms)/*-{

                return (new Date(ms)).toUTCString();

        }-*/;

        public abstract String getLastModifiedSince();

        public String constructUri(@SuppressWarnings("unused") TreeItem treeItem, @SuppressWarnings("unused") String path){

                return "";

        }

        public String getName(){

                String[] names = uri.split("/");

                return names[names.length -1];

        }

}