UrlBuilder.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * 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
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.rest;

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

/**
 * Extended {@link com.google.gwt.http.client.UrlBuilder} with constructor that consumes string url.
 *
 * @author <a href="mailto:evidolob@exoplatform.com">Evgen Vidolob</a>
 * @version $Id:  Aug 29, 2011 evgen $
 */
public class UrlBuilder extends com.google.gwt.http.client.UrlBuilder {

    /**
     *
     */
    public UrlBuilder() {
    }

    /**
     * Parse url and set initial parameters(protocol, host, port, path)<br>
     *
     * @param url
     */
    public UrlBuilder(String url) {
        JavaScriptObject jso = parseUrl(url);
        JSONObject o = new JSONObject(jso);
        setHost(o.get("host").isString().stringValue());
        setProtocol(o.get("protocol").isString().stringValue());
        if (o.containsKey("port")) {
            final String port = o.get("port").isString().stringValue();
            if (!port.isEmpty()) {
                setPort(Integer.valueOf(port));
            }
        }
        setPath(o.get("path").isString().stringValue());
        //fill query parameters
        JSONObject query = o.get("queryKey").isObject();
        for (String key : query.keySet()) {
            setParameter(key, query.get(key).isString().stringValue());
        }
    }

    private native JavaScriptObject parseUrl(String url)/*-{

        options = {
            strictMode: false,
            key: [ "source", "protocol", "authority", "userInfo", "user",
                "password", "host", "port", "relative", "path",
                "directory", "file", "query", "anchor" ],
            q: {
                name: "queryKey",
                parser: /(?:^|&)([^&=]*)=?([^&]*)/g
            },
            parser: {
                strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
                loose: /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
            }
        }
        var o = options, m = o.parser[o.strictMode ? "strict" : "loose"]
            .exec(url), uri = {}, i = 14;

        while (i--)
            uri[o.key[i]] = m[i] || "";

        uri[o.q.name] = {};
        uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
            if ($1)
                uri[o.q.name][$1] = $2;
        });
        return uri;
    }-*/;

}