| /* |
| * 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.openapi.diff; |
| |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.application.ApplicationStarterEx; |
| import com.intellij.openapi.application.PathManager; |
| import com.intellij.openapi.fileEditor.FileDocumentManager; |
| import com.intellij.openapi.ui.Messages; |
| import com.intellij.openapi.util.io.StreamUtil; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.openapi.vfs.JarFileSystem; |
| import com.intellij.openapi.vfs.LocalFileSystem; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.Arrays; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| @SuppressWarnings({"UseOfSystemOutOrSystemErr", "CallToPrintStackTrace"}) |
| public abstract class ApplicationStarterBase extends ApplicationStarterEx { |
| private final String myCommandName; |
| private final int[] myArgsCount; |
| |
| protected ApplicationStarterBase(String commandName, int... possibleArgumentsCount) { |
| myCommandName = commandName; |
| myArgsCount = possibleArgumentsCount; |
| } |
| |
| @Override |
| public String getCommandName() { |
| return myCommandName; |
| } |
| |
| @Override |
| public boolean isHeadless() { |
| return false; |
| } |
| |
| @Override |
| public void processExternalCommandLine(String[] args, @Nullable String currentDirectory) { |
| if (!checkArguments(args)) { |
| Messages.showMessageDialog(getUsageMessage(), StringUtil.toTitleCase(getCommandName()), Messages.getInformationIcon()); |
| return; |
| } |
| try { |
| processCommand(args, currentDirectory); |
| } |
| catch (Exception e) { |
| Messages.showMessageDialog(String.format("Error showing %s: %s", getCommandName(), e.getMessage()), |
| StringUtil.toTitleCase(getCommandName()), |
| Messages.getErrorIcon()); |
| } |
| finally { |
| saveAll(); |
| } |
| } |
| |
| private static void saveAll() { |
| FileDocumentManager.getInstance().saveAllDocuments(); |
| ApplicationManager.getApplication().saveSettings(); |
| } |
| |
| private boolean checkArguments(String[] args) { |
| return Arrays.binarySearch(myArgsCount, args.length - 1) != -1 && getCommandName().equals(args[0]); |
| } |
| |
| public abstract String getUsageMessage(); |
| |
| protected abstract void processCommand(String[] args, @Nullable String currentDirectory) throws Exception; |
| |
| @Override |
| public void premain(String[] args) { |
| if (!checkArguments(args)) { |
| System.err.println(getUsageMessage()); |
| System.exit(1); |
| } |
| } |
| |
| @Override |
| public void main(String[] args) { |
| try { |
| processCommand(args, null); |
| } |
| catch (Exception e) { |
| e.printStackTrace(); |
| System.exit(1); |
| } |
| catch (Throwable t) { |
| t.printStackTrace(); |
| System.exit(2); |
| } |
| finally { |
| saveAll(); |
| } |
| |
| System.exit(0); |
| } |
| |
| public static VirtualFile findOrCreateFile(String path, @Nullable String currentDirectory) throws IOException { |
| final VirtualFile file = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(new File(path)); |
| if (file == null) { |
| boolean result = new File(path).createNewFile(); |
| if (result) { |
| return findFile(path, currentDirectory); |
| } |
| else { |
| throw new FileNotFoundException("Can't create file " + path); |
| } |
| } |
| return file; |
| } |
| |
| /** |
| * Get direct from file because IDEA cache files(see #IDEA-81067) |
| */ |
| public static String getText(VirtualFile file) throws IOException { |
| FileInputStream inputStream = new FileInputStream(file.getPath()); |
| try { |
| return StreamUtil.readText(inputStream); |
| } |
| finally { |
| inputStream.close(); |
| } |
| } |
| |
| public static boolean haveDirs(VirtualFile... files) { |
| for (VirtualFile file : files) { |
| if (file.isDirectory()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static boolean areJars(VirtualFile file1, VirtualFile file2) { |
| return JarFileSystem.PROTOCOL.equalsIgnoreCase(file1.getExtension()) && JarFileSystem.PROTOCOL.equalsIgnoreCase(file2.getExtension()); |
| } |
| |
| public static boolean areDirs(VirtualFile file1, VirtualFile file2) { |
| return file1.isDirectory() && file2.isDirectory(); |
| } |
| |
| public static class OperationFailedException extends IOException { |
| public OperationFailedException(@NotNull String message) { |
| super(message); |
| } |
| } |
| |
| @NotNull |
| public static VirtualFile findFile(final String path, @Nullable String currentDirectory) throws OperationFailedException { |
| File ioFile = new File(path); |
| if (!ioFile.isAbsolute() && currentDirectory != null) { |
| ioFile = new File(currentDirectory, path); |
| } |
| final VirtualFile file = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(ioFile); |
| if (file == null) { |
| throw new OperationFailedException("Can't find file " + path); |
| } |
| return file; |
| } |
| |
| @Override |
| public boolean canProcessExternalCommandLine() { |
| return true; |
| } |
| } |