| /* |
| * Copyright 2000-2009 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.lang.ant.config.execution; |
| |
| import com.intellij.execution.junit2.segments.SegmentReader; |
| import com.intellij.execution.process.OSProcessHandler; |
| import com.intellij.lang.ant.AntBundle; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.ui.Messages; |
| import com.intellij.openapi.ui.ex.MessagesEx; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.nio.charset.Charset; |
| |
| class InputRequestHandler { |
| |
| private InputRequestHandler() { |
| } |
| |
| public static void processInput(Project project, SegmentReader reader, OSProcessHandler handler) throws IOException { |
| String input = askUser(reader, project); |
| Charset charset = handler.getCharset(); |
| OutputStream outputStream = handler.getProcessInput(); |
| sendInput(input, charset, outputStream); |
| } |
| |
| private static void sendInput(String input, Charset charset, OutputStream outputStream) throws IOException { |
| byte[] bytes = input.getBytes(charset.name()); |
| int length = bytes.length; |
| byte[] packet = new byte[length + 4]; |
| System.arraycopy(bytes, 0, packet, 4, length); |
| packet[0] = (byte)(length >> 24); |
| packet[1] = (byte)(length >> 16); |
| packet[2] = (byte)(length >> 8); |
| packet[3] = (byte)length; |
| outputStream.write(packet); |
| outputStream.flush(); |
| } |
| |
| private static String askUser(SegmentReader reader, Project project) { |
| String prompt = reader.readLimitedString(); |
| String defaultValue = reader.readLimitedString(); |
| String[] choices = reader.readStringArray(); |
| MessagesEx.BaseInputInfo question; |
| if (choices.length == 0) { |
| MessagesEx.InputInfo inputInfo = new MessagesEx.InputInfo(project); |
| inputInfo.setDefaultValue(defaultValue); |
| question = inputInfo; |
| } |
| else { |
| MessagesEx.ChoiceInfo choiceInfo = new MessagesEx.ChoiceInfo(project); |
| choiceInfo.setChoices(choices, defaultValue); |
| question = choiceInfo; |
| } |
| question.setIcon(Messages.getQuestionIcon()); |
| question.setTitle(AntBundle.message("user.inout.request.ant.build.input.dialog.title")); |
| question.setMessage(prompt); |
| question.setIcon(Messages.getQuestionIcon()); |
| return question.forceUserInput(); |
| } |
| } |
| |