org.rstudio.core.client.URIUtils.java Source code

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Here is the source code for org.rstudio.core.client.URIUtils.java

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/*
 * URIUtils.java
 *
 * Copyright (C) 2009-12 by RStudio, Inc.
 *
 * Unless you have received this program directly from RStudio pursuant
 * to the terms of a commercial license agreement with RStudio, then
 * this program is licensed to you under the terms of version 3 of the
 * GNU Affero General Public License. This program is distributed WITHOUT
 * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
 * AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
 *
 */

package org.rstudio.core.client;

import com.google.gwt.http.client.URL;

public class URIUtils {
    public static String addQueryParam(String url, String name, String value) {
        // first split into base and anchor
        String base = new String(url);
        String anchor = new String();
        int anchorPos = base.indexOf('#');
        if (anchorPos != -1) {
            anchor = base.substring(anchorPos);
            base = base.substring(0, anchorPos);
        }

        // add the query param
        if (!base.contains("?"))
            base = base + "?";
        else
            base = base + "&";
        base = base + name + "=" + URL.encodeQueryString(value);

        // add the anchor back on
        return base + anchor;
    }
}