net.dancioi.webdav.client.WdHttpMethod.java Source code

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Here is the source code for net.dancioi.webdav.client.WdHttpMethod.java

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/*   
 *    File    : WdHttpMethod.java
 * 
 *    Copyright (C) 2011 Daniel Cioi <dan@dancioi.net>
 *                              
 *   www.dancioi.net/projects/Jcsphotogallery
 *
 *   This file is part of Jcsphotogallery.
 *
 *  Jcsphotogallery 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.
 *
 *  Jcsphotogallery 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 Jcsphotogallery.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */

package net.dancioi.webdav.client;

import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.http.client.URL;

/**
 *       Abstract class. 
 * Connect and execute a command on WebDAV server.
 *  
 * @author Daniel Cioi <dan@dancioi.net>
 * @version $Revision$  Last modified: $Date$, by: $Author$
 */

public abstract class WdHttpMethod {

    protected boolean connected = true; // connected?
    protected int statusCode; // status code
    protected String responseText; // response text
    protected String responseStatus; // response status

    // see more at http://www.gwtapps.com/doc/html/com.google.gwt.http.client.html

    public WdHttpMethod(String command, String url, String username, String password) {
        logOn(command, url, username, password);
    }

    public abstract void getResults();

    /**
     * Make HTTP request and process the associated response.
     * @param command GET, PUT, MKCOL, DELETE, PROPFIND
     * @param url
     * @param username
     * @param password
     */
    protected void logOn(String command, String url, String username, String password) {
        RequestBuilderWebdav builder = new RequestBuilderWebdav(command, URL.encode(url));

        builder.setUser(username);
        builder.setPassword(password);

        tryRequest(builder);
    }

    protected void tryRequest(RequestBuilderWebdav builder) {

        try {
            builder.sendRequest(null, new RequestCallback() {
                public void onError(Request request, Throwable exception) {
                    setConnected(false); //"Could not connect to server."
                }

                public void onResponseReceived(Request request, Response response) {
                    setStatusCode(response.getStatusCode());
                    setResponseText(response.getText());
                    setResponseStatus(response.getStatusText());
                    goNext();
                }
            });
        } catch (RequestException e) {
            // do something with this.
            // failed to send the request
        }
    }

    /**
     * Trigger the getResults method.
     */
    protected void goNext() {
        getResults();
    }

    /**
     * Set connected.
     * @param b
     */
    protected void setConnected(boolean b) {
        connected = b;
    }

    /**
     * Set the response status text.
     * @param statusText
     */
    protected void setResponseStatus(String statusText) {
        responseStatus = statusText;
    }

    /**
     * Set the response text.
     * @param text
     */
    protected void setResponseText(String text) {
        responseText = text;
    }

    /**
     * Set the response status code.
     * @param stsCode
     */
    protected void setStatusCode(int stsCode) {
        statusCode = stsCode;
    }

}