| 1 | /********************************************************************** |
| 2 | * Copyright (c) 2015 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Bernd Hufmann - Initial API and implementation |
| 11 | **********************************************************************/ |
| 12 | package org.eclipse.tracecompass.internal.tmf.remote.core.shell; |
| 13 | |
| 14 | import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull; |
| 15 | import static org.eclipse.tracecompass.common.core.NonNullUtils.nullToEmptyString; |
| 16 | |
| 17 | import java.util.ArrayList; |
| 18 | import java.util.List; |
| 19 | |
| 20 | import org.eclipse.jdt.annotation.NonNull; |
| 21 | import org.eclipse.jdt.annotation.Nullable; |
| 22 | import org.eclipse.tracecompass.tmf.remote.core.shell.ICommandInput; |
| 23 | |
| 24 | import com.google.common.collect.ImmutableList; |
| 25 | |
| 26 | /** |
| 27 | * Class for defining command input for remote command execution. |
| 28 | * |
| 29 | * @author Bernd Hufmann |
| 30 | */ |
| 31 | public class CommandInput implements ICommandInput { |
| 32 | |
| 33 | // ------------------------------------------------------------------------ |
| 34 | // Attributes |
| 35 | // ------------------------------------------------------------------------ |
| 36 | |
| 37 | /** The input as list of Strings. */ |
| 38 | private final @NonNull List<@NonNull String> fInput = new ArrayList<>(); |
| 39 | |
| 40 | // ------------------------------------------------------------------------ |
| 41 | // Accessors |
| 42 | // ------------------------------------------------------------------------ |
| 43 | |
| 44 | @Override |
| 45 | public List<String> getInput() { |
| 46 | return checkNotNull(ImmutableList.copyOf(fInput)); |
| 47 | } |
| 48 | |
| 49 | // ------------------------------------------------------------------------ |
| 50 | // Operations |
| 51 | // ------------------------------------------------------------------------ |
| 52 | |
| 53 | @Override |
| 54 | public void add(@Nullable String segment) { |
| 55 | if (segment != null) { |
| 56 | fInput.add(segment); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public void addAll(List<String> segments) { |
| 62 | for (String segment : segments) { |
| 63 | add(segment); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Creates a single command string from a command line list. |
| 69 | * |
| 70 | * @return single command string |
| 71 | */ |
| 72 | @Override |
| 73 | public String toString() { |
| 74 | StringBuilder builder = new StringBuilder(); |
| 75 | for (String segment : getInput()) { |
| 76 | builder.append(segment).append(' '); |
| 77 | } |
| 78 | return nullToEmptyString(builder.toString().trim()); |
| 79 | } |
| 80 | } |