// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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 com.google.collide.client.communication;
import com.google.collide.client.util.PathUtil;
import elemental.client.Browser;
import elemental.html.Location;
/**
* Utility class to work with resource URIs and local paths.
*
*/
public class ResourceUriUtils {
/**
* @see #getAbsoluteResourceUri(String)
*/
public static String getAbsoluteResourceUri(PathUtil path) {
return getAbsoluteResourceUri(path.getPathString());
}
/**
* Calculates an absolute URI of a resource by a given path.
*
* @param path relative path from the workspace root
* @return an absolute URI
*/
public static String getAbsoluteResourceUri(String path) {
return getAbsoluteResourceBaseUri() + ensurePrefixSlash(path);
}
public static String getAbsoluteResourceBaseUri() {
return getBaseUri() + "/res";
}
private static String getBaseUri() {
Location location = Browser.getWindow().getLocation();
return location.getProtocol() + "//" + location.getHost();
}
public static String extractBaseUri(String absoluteUri) {
int pos = absoluteUri.indexOf("://");
if (pos != -1) {
pos += 3;
} else {
pos = 0;
}
pos = absoluteUri.indexOf("/", pos);
if (pos != -1) {
return absoluteUri.substring(0, pos);
} else {
return absoluteUri;
}
}
private static String ensurePrefixSlash(String path) {
if (path.startsWith("/")) {
return path;
}
return "/" + path;
}
}