| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.sshd.git.pgm; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.sshd.common.channel.ChannelOutputStream; |
| import org.apache.sshd.server.Command; |
| import org.apache.sshd.server.Environment; |
| import org.apache.sshd.server.ExitCallback; |
| |
| /** |
| * TODO Add javadoc |
| * |
| * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> |
| */ |
| public class GitPgmCommand implements Command, Runnable { |
| |
| private String rootDir; |
| private String command; |
| private InputStream in; |
| private OutputStream out; |
| private OutputStream err; |
| private ExitCallback callback; |
| |
| public GitPgmCommand(String rootDir, String command) { |
| this.rootDir = rootDir; |
| this.command = command; |
| } |
| |
| public void setInputStream(InputStream in) { |
| this.in = in; |
| } |
| |
| public void setOutputStream(OutputStream out) { |
| this.out = out; |
| if (out instanceof ChannelOutputStream) { |
| ((ChannelOutputStream) out).setNoDelay(true); |
| } |
| } |
| |
| public void setErrorStream(OutputStream err) { |
| this.err = err; |
| if (err instanceof ChannelOutputStream) { |
| ((ChannelOutputStream) err).setNoDelay(true); |
| } |
| } |
| |
| public void setExitCallback(ExitCallback callback) { |
| this.callback = callback; |
| } |
| |
| public void start(Environment env) throws IOException { |
| new Thread(this).start(); |
| } |
| |
| public void run() { |
| try { |
| List<String> strs = parseDelimitedString(command, " ", true); |
| String[] args = strs.toArray(new String[strs.size()]); |
| for (int i = 0; i < args.length; i++) { |
| if (args[i].startsWith("'") && args[i].endsWith("'")) { |
| args[i] = args[i].substring(1, args[i].length() - 1); |
| } |
| if (args[i].startsWith("\"") && args[i].endsWith("\"")) { |
| args[i] = args[i].substring(1, args[i].length() - 1); |
| } |
| } |
| |
| new EmbeddedCommandRunner(rootDir).execute(args, in, out, err); |
| if (callback != null) { |
| callback.onExit(0); |
| } |
| } catch (Throwable t) { |
| try { |
| err.write((t.getMessage() + "\n").getBytes()); |
| err.flush(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| if (callback != null) { |
| callback.onExit(-1); |
| } |
| } |
| } |
| |
| public void destroy() { |
| //To change body of implemented methods use File | Settings | File Templates. |
| } |
| |
| /** |
| * Parses delimited string and returns an array containing the tokens. This |
| * parser obeys quotes, so the delimiter character will be ignored if it is |
| * inside of a quote. This method assumes that the quote character is not |
| * included in the set of delimiter characters. |
| * |
| * @param value the delimited string to parse. |
| * @param delim the characters delimiting the tokens. |
| * @return a list of string or an empty list if there are none. |
| */ |
| private static List<String> parseDelimitedString(String value, String delim, boolean trim) { |
| if (value == null) { |
| value = ""; |
| } |
| |
| List<String> list = new ArrayList<String>(); |
| |
| int CHAR = 1; |
| int DELIMITER = 2; |
| int STARTQUOTE = 4; |
| int ENDQUOTE = 8; |
| |
| StringBuilder sb = new StringBuilder(); |
| |
| int expecting = (CHAR | DELIMITER | STARTQUOTE); |
| |
| boolean isEscaped = false; |
| for (int i = 0; i < value.length(); i++) { |
| char c = value.charAt(i); |
| |
| boolean isDelimiter = (delim.indexOf(c) >= 0); |
| |
| if (!isEscaped && (c == '\\')) { |
| isEscaped = true; |
| continue; |
| } |
| |
| if (isEscaped) { |
| sb.append(c); |
| } else if (isDelimiter && ((expecting & DELIMITER) > 0)) { |
| if (trim) { |
| list.add(sb.toString().trim()); |
| } else { |
| list.add(sb.toString()); |
| } |
| sb.delete(0, sb.length()); |
| expecting = (CHAR | DELIMITER | STARTQUOTE); |
| } else if ((c == '"') && ((expecting & STARTQUOTE) > 0)) { |
| sb.append(c); |
| expecting = CHAR | ENDQUOTE; |
| } else if ((c == '"') && ((expecting & ENDQUOTE) > 0)) { |
| sb.append(c); |
| expecting = (CHAR | STARTQUOTE | DELIMITER); |
| } else if ((expecting & CHAR) > 0) { |
| sb.append(c); |
| } else { |
| throw new IllegalArgumentException("Invalid delimited string: " + value); |
| } |
| |
| isEscaped = false; |
| } |
| |
| if (sb.length() > 0) { |
| if (trim) { |
| list.add(sb.toString().trim()); |
| } else { |
| list.add(sb.toString()); |
| } |
| } |
| |
| return list; |
| } |
| } |