org.kaaproject.kaa.server.admin.client.servlet.ServletHelper.java Source code

Introduction

Here is the source code for org.kaaproject.kaa.server.admin.client.servlet.ServletHelper.java

Source

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * 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.kaaproject.kaa.server.admin.client.servlet;

import java.util.List;
import java.util.Map.Entry;

import org.kaaproject.kaa.server.admin.shared.servlet.ServletParams;

import com.google.gwt.core.client.GWT;
import com.google.gwt.http.client.URL;
import com.google.gwt.safehtml.shared.UriUtils;
import com.google.gwt.user.client.Window;

public class ServletHelper implements ServletParams {

    public static void downloadSdk(String key) {
        String getUrl = composeURL(KAA_SDK_SERVLET_PATH, SDK_KEY_PARAMETER + "=" + URL.encodeQueryString(key));
        String url = GWT.getModuleBaseURL() + getUrl;
        Window.open(url, "_self", "enabled");
    }

    public static void downloadRecordLibrary(String key) {
        String getUrl = composeURL(KAA_RECORD_LIBRARY_SERVLET_PATH,
                RECORD_KEY_PARAMETER + "=" + URL.encodeQueryString(key));
        String url = GWT.getModuleBaseURL() + getUrl;
        Window.open(url, "_self", "enabled");
    }

    public static void exportCtlSchema(String key) {
        String getUrl = composeURL(KAA_CTL_EXPORT_SERVLET_PATH,
                CTL_EXPORT_KEY_PARAMETER + "=" + URL.encodeQueryString(key));
        String url = GWT.getModuleBaseURL() + getUrl;
        Window.open(url, "_self", "enabled");
    }

    public static void downloadEndpointProfile(String endpointKey, ProfileType type) {
        String getUrl = composeURL(KAA_PROFILE_DOWNLOAD_SERVLET_PATH,
                ENDPOINT_KEY_PARAMETER + "=" + URL.encodeQueryString(endpointKey),
                PROFILE_TYPE_PARAMETER + "=" + URL.encodeQueryString(type.name()));
        String url = GWT.getModuleBaseURL() + getUrl;
        Window.open(url, "_self", "enabled");
    }

    /*
    Some browsers may not use given filename.
     */
    public static void downloadJsonFile(String json, String filename) {
        Window.open("data:application/octet-stream;headers=Content-Disposition: attachment; filename=\"" + filename
                + "\"," + json, "_self", "enabled");
    }

    private static String composeURL(String servletPath, String... params) {
        String ret = servletPath;
        ret = ret.replaceAll("[\\?&]+$", "");
        String sep = ret.contains("?") ? "&" : "?";
        for (String par : params) {
            ret += sep + par;
            sep = "&";
        }
        for (Entry<String, List<String>> e : Window.Location.getParameterMap().entrySet()) {
            ret += sep + e.getKey() + "=" + e.getValue().get(0);
        }
        ret += sep + "random=" + Math.random();
        return UriUtils.encode(ret);
    }

}