| // Copyright 2008-2010 Victor Iacoban |
| // |
| // 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.zmlx.hg4idea.execution; |
| |
| import com.intellij.execution.ExecutionException; |
| import com.intellij.execution.configurations.GeneralCommandLine; |
| import com.intellij.execution.process.*; |
| import com.intellij.openapi.progress.ProgressIndicator; |
| import com.intellij.openapi.progress.ProgressManager; |
| import com.intellij.openapi.util.Key; |
| import com.intellij.openapi.vcs.LineHandlerHelper; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.File; |
| import java.io.StringWriter; |
| import java.nio.charset.Charset; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public final class ShellCommand { |
| |
| private final GeneralCommandLine myCommandLine; |
| private int myExitCode; |
| |
| public ShellCommand(@Nullable List<String> commandLine, @Nullable String dir, @Nullable Charset charset) { |
| if (commandLine == null || commandLine.isEmpty()) { |
| throw new IllegalArgumentException("commandLine is empty"); |
| } |
| myCommandLine = new GeneralCommandLine(commandLine); |
| if (dir != null) { |
| myCommandLine.setWorkDirectory(new File(dir)); |
| } |
| if (charset != null) { |
| myCommandLine.setCharset(charset); |
| } |
| } |
| |
| @NotNull |
| public HgCommandResult execute(final boolean showTextOnIndicator) throws ShellCommandException, InterruptedException { |
| final StringWriter out = new StringWriter(); |
| final StringWriter err = new StringWriter(); |
| final ProgressIndicator indicator = ProgressManager.getInstance().getProgressIndicator(); |
| try { |
| final Process process = myCommandLine.createProcess(); |
| final OSProcessHandler processHandler = new OSProcessHandler(process, myCommandLine.toString(), myCommandLine.getCharset()); |
| |
| processHandler.addProcessListener(new ProcessListener() { |
| public void startNotified(final ProcessEvent event) { |
| } |
| |
| public void processTerminated(final ProcessEvent event) { |
| myExitCode = event.getExitCode(); |
| } |
| |
| @Override |
| public void processWillTerminate(ProcessEvent event, boolean willBeDestroyed) { |
| } |
| |
| @Override |
| public void onTextAvailable(ProcessEvent event, Key outputType) { |
| Iterator<String> lines = LineHandlerHelper.splitText(event.getText()).iterator(); |
| if (ProcessOutputTypes.STDOUT == outputType) { |
| while (lines.hasNext()) { |
| String line = lines.next(); |
| if (indicator != null && showTextOnIndicator) { |
| indicator.setText2(line); |
| } |
| out.write(line); |
| } |
| } |
| else if (ProcessOutputTypes.STDERR == outputType) { |
| while (lines.hasNext()) { |
| err.write(lines.next()); |
| } |
| } |
| } |
| }); |
| |
| processHandler.startNotify(); |
| while (!processHandler.waitFor(300)) { |
| if (indicator != null && indicator.isCanceled()) { |
| processHandler.destroyProcess(); |
| myExitCode = 255; |
| break; |
| } |
| } |
| return new HgCommandResult(out, err, myExitCode); |
| } |
| catch (ExecutionException e) { |
| throw new ShellCommandException(e); |
| } |
| } |
| } |