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/*
* Copyright 2000-2014 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 com.intellij.ide;
import com.intellij.execution.configurations.GeneralCommandLine;
import com.intellij.execution.util.ExecUtil;
import com.intellij.ide.browsers.BrowserLauncher;
import com.intellij.ide.browsers.BrowserLauncherAppless;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.vfs.VfsUtil;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static com.intellij.util.containers.ContainerUtilRt.newArrayList;
public class BrowserUtil {
// The pattern for 'scheme' mainly according to RFC1738.
// We have to violate the RFC since we need to distinguish
// real schemes from local Windows paths; The only difference
// with RFC is that we do not allow schemes with length=1 (in other case
// local paths like "C:/temp/index.html" would be erroneously interpreted as
// external URLs.)
private static final Pattern ourExternalPrefix = Pattern.compile("^[\\w\\+\\.\\-]{2,}:");
private static final Pattern ourAnchorSuffix = Pattern.compile("#(.*)$");
private BrowserUtil() { }
public static boolean isAbsoluteURL(String url) {
return ourExternalPrefix.matcher(url.toLowerCase(Locale.ENGLISH)).find();
}
public static String getDocURL(String url) {
Matcher anchorMatcher = ourAnchorSuffix.matcher(url);
return anchorMatcher.find() ? anchorMatcher.reset().replaceAll("") : url;
}
@Nullable
public static URL getURL(String url) throws MalformedURLException {
return isAbsoluteURL(url) ? VfsUtil.convertToURL(url) : new URL("file", "", url);
}
public static void browse(@NotNull VirtualFile file) {
browse(VfsUtil.toUri(file));
}
public static void browse(@NotNull File file) {
getBrowserLauncher().browse(file);
}
public static void browse(@NotNull URL url) {
browse(url.toExternalForm());
}
@SuppressWarnings("UnusedDeclaration")
@Deprecated
/**
* @deprecated Use {@link #browse(String)}
*/
public static void launchBrowser(@NotNull @NonNls String url) {
browse(url);
}
public static void browse(@NotNull @NonNls String url) {
getBrowserLauncher().browse(url, null);
}
private static BrowserLauncher getBrowserLauncher() {
BrowserLauncher launcher = ApplicationManager.getApplication() == null ? null : BrowserLauncher.getInstance();
return launcher == null ? new BrowserLauncherAppless() : launcher;
}
public static void open(@NotNull @NonNls String url) {
getBrowserLauncher().open(url);
}
/**
* Main method: tries to launch a browser using every possible way
*/
public static void browse(@NotNull URI uri) {
getBrowserLauncher().browse(uri);
}
public static void browse(@NotNull String url, @Nullable Project project) {
getBrowserLauncher().browse(url, null, project);
}
@SuppressWarnings("UnusedDeclaration")
@NotNull
@Deprecated
public static List<String> getOpenBrowserCommand(@NonNls @NotNull String browserPathOrName) {
return getOpenBrowserCommand(browserPathOrName, false);
}
@NotNull
public static List<String> getOpenBrowserCommand(@NonNls @NotNull String browserPathOrName, boolean newWindowIfPossible) {
if (new File(browserPathOrName).isFile()) {
return Collections.singletonList(browserPathOrName);
}
else if (SystemInfo.isMac) {
List<String> command = newArrayList(ExecUtil.getOpenCommandPath(), "-a", browserPathOrName);
if (newWindowIfPossible) {
command.add("-n");
}
return command;
}
else if (SystemInfo.isWindows) {
return Arrays.asList(ExecUtil.getWindowsShellName(), "/c", "start", GeneralCommandLine.inescapableQuote(""), browserPathOrName);
}
else {
return Collections.singletonList(browserPathOrName);
}
}
public static boolean isOpenCommandSupportArgs() {
return SystemInfo.isMacOSSnowLeopard;
}
@NotNull
public static String getDefaultAlternativeBrowserPath() {
if (SystemInfo.isWindows) {
return "C:\\Program Files\\Internet Explorer\\IExplore.exe";
}
else if (SystemInfo.isMac) {
return "open";
}
else if (SystemInfo.isUnix) {
return "/usr/bin/firefox";
}
else {
return "";
}
}
}
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