org.jetbrains.jet.utils.KotlinVfsUtil Maven / Gradle / Ivy
/*
* Copyright 2010-2013 JetBrains s.r.o.
*
* 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.jetbrains.jet.utils;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.util.io.URLUtil;
import org.jetbrains.annotations.NotNull;
import java.net.MalformedURLException;
import java.net.URL;
/*
* This code is essentially copied from IntelliJ IDEA's VfsUtil, and slightly restructured
*/
public class KotlinVfsUtil {
private static final String FILE = "file";
private static final String JAR = "jar";
private static final String PROTOCOL_DELIMITER = ":";
@NotNull
public static String convertFromUrl(@NotNull URL url) throws MalformedURLException {
String protocol = url.getProtocol();
String path = url.getPath();
if (JAR.equals(protocol)) {
if (StringUtil.startsWithConcatenationOf(path, FILE, PROTOCOL_DELIMITER)) {
URL subURL = new URL(path);
path = subURL.getPath();
}
else {
throw new MalformedURLException("Can't parse url: " + url.toExternalForm());
}
}
if (SystemInfo.isWindows || SystemInfo.isOS2) {
while (path.length() > 0 && path.charAt(0) == '/') {
path = path.substring(1, path.length());
}
}
path = URLUtil.unescapePercentSequences(path);
return protocol + "://" + path;
}
private KotlinVfsUtil() {}
}