Add echo command

Signed-off-by: Emmanuel Bigeon <emmanuel@bigeon.fr>

gclc-process/src/main/java/net/bigeon/gclc/process/io/package-info.java

@@ -6,3 +6,37 @@
  * 
  * @author Emmanuel Bigeon */
 package net.bigeon.gclc.process.io;
+
+/*-
+ * #%L
+ * process
+ * %%
+ * Copyright (C) 2014 - 2018 Bigeon
+ * %%
+ * This software is governed by the CeCILL  license under French law and
+ * abiding by the rules of distribution of free software.  You can  use,
+ * modify and/ or redistribute the software under the terms of the CeCILL
+ * license as circulated by CEA, CNRS and INRIA at the following URL
+ * "http://www.cecill.info".
+ * 
+ * As a counterpart to the access to the source code and  rights to copy,
+ * modify and redistribute granted by the license, users are provided only
+ * with a limited warranty  and the software's author,  the holder of the
+ * economic rights,  and the successive licensors  have only  limited
+ * liability.
+ * 
+ * In this respect, the user's attention is drawn to the risks associated
+ * with loading,  using,  modifying and/or developing or reproducing the
+ * software by the user in light of its specific status of free software,
+ * that may mean  that it is complicated to manipulate,  and  that  also
+ * therefore means  that it is reserved for developers  and  experienced
+ * professionals having in-depth computer knowledge. Users are therefore
+ * encouraged to load and test the software's suitability as regards their
+ * requirements in conditions enabling the security of their systems and/or
+ * data to be ensured and,  more generally, to use and operate it in the
+ * same conditions as regards security.
+ * 
+ * The fact that you are presently reading this means that you have had
+ * knowledge of the CeCILL license and that you accept its terms.
+ * #L%
+ */

gclc-process/src/main/java/net/bigeon/gclc/process/package-info.java

@@ -12,3 +12,37 @@
  * 
  * @author Emmanuel Bigeon */
 package net.bigeon.gclc.process;
+
+/*-
+ * #%L
+ * process
+ * %%
+ * Copyright (C) 2014 - 2018 Bigeon
+ * %%
+ * This software is governed by the CeCILL  license under French law and
+ * abiding by the rules of distribution of free software.  You can  use,
+ * modify and/ or redistribute the software under the terms of the CeCILL
+ * license as circulated by CEA, CNRS and INRIA at the following URL
+ * "http://www.cecill.info".
+ * 
+ * As a counterpart to the access to the source code and  rights to copy,
+ * modify and redistribute granted by the license, users are provided only
+ * with a limited warranty  and the software's author,  the holder of the
+ * economic rights,  and the successive licensors  have only  limited
+ * liability.
+ * 
+ * In this respect, the user's attention is drawn to the risks associated
+ * with loading,  using,  modifying and/or developing or reproducing the
+ * software by the user in light of its specific status of free software,
+ * that may mean  that it is complicated to manipulate,  and  that  also
+ * therefore means  that it is reserved for developers  and  experienced
+ * professionals having in-depth computer knowledge. Users are therefore
+ * encouraged to load and test the software's suitability as regards their
+ * requirements in conditions enabling the security of their systems and/or
+ * data to be ensured and,  more generally, to use and operate it in the
+ * same conditions as regards security.
+ * 
+ * The fact that you are presently reading this means that you have had
+ * knowledge of the CeCILL license and that you accept its terms.
+ * #L%
+ */

gclc.system/src/main/java/net/bigeon/gclc/system/package-info.java

@@ -6,3 +6,37 @@
  * 
  * @author Emmanuel Bigeon */
 package net.bigeon.gclc.system;
+
+/*-
+ * #%L
+ * GCLC system command
+ * %%
+ * Copyright (C) 2016 - 2018 Bigeon
+ * %%
+ * This software is governed by the CeCILL  license under French law and
+ * abiding by the rules of distribution of free software.  You can  use,
+ * modify and/ or redistribute the software under the terms of the CeCILL
+ * license as circulated by CEA, CNRS and INRIA at the following URL
+ * "http://www.cecill.info".
+ * 
+ * As a counterpart to the access to the source code and  rights to copy,
+ * modify and redistribute granted by the license, users are provided only
+ * with a limited warranty  and the software's author,  the holder of the
+ * economic rights,  and the successive licensors  have only  limited
+ * liability.
+ * 
+ * In this respect, the user's attention is drawn to the risks associated
+ * with loading,  using,  modifying and/or developing or reproducing the
+ * software by the user in light of its specific status of free software,
+ * that may mean  that it is complicated to manipulate,  and  that  also
+ * therefore means  that it is reserved for developers  and  experienced
+ * professionals having in-depth computer knowledge. Users are therefore
+ * encouraged to load and test the software's suitability as regards their
+ * requirements in conditions enabling the security of their systems and/or
+ * data to be ensured and,  more generally, to use and operate it in the
+ * same conditions as regards security.
+ * 
+ * The fact that you are presently reading this means that you have had
+ * knowledge of the CeCILL license and that you accept its terms.
+ * #L%
+ */

gclc/src/main/java/net/bigeon/gclc/command/base/EchoCommand.java

@@ -0,0 +1,89 @@
+/*
+ * ralph.runner, Runs RALPH (belongs to IREQ) in sequence for several days
+ * Copyright (C) 2016-2018 E. Bigeon
+ * mailto:emmanuel@bigeon.fr
+ *
+ * This software is governed by the CeCILL license under French law and
+ * abiding by the rules of distribution of free software.  You can  use,
+ * modify and/or redistribute the software under the terms of the CeCILL
+ * license as circulated by CEA, CNRS and INRIA at the following URL
+ * "http://www.cecill.info".
+ *
+ * As a counterpart to the access to the source code and  rights to copy,
+ * modify and redistribute granted by the license, users are provided only
+ * with a limited warranty  and the software's author,  the holder of the
+ * economic rights,  and the successive licensors  have only  limited
+ * liability.
+ *
+ * In this respect, the user's attention is drawn to the risks associated
+ * with loading,  using,  modifying and/or developing or reproducing the
+ * software by the user in light of its specific status of free software,
+ * that may mean  that it is complicated to manipulate,  and  that  also
+ * therefore means  that it is reserved for developers  and  experienced
+ * professionals having in-depth computer knowledge. Users are therefore
+ * encouraged to load and test the software's suitability as regards their
+ * requirements in conditions enabling the security of their systems and/or
+ * data to be ensured and,  more generally, to use and operate it in the
+ * same conditions as regards security.
+ *
+ * The fact that you are presently reading this means that you have had
+ * knowledge of the CeCILL license and that you accept its terms.
+ */
+/**
+ * 
+ */
+package net.bigeon.gclc.command.base;
+
+import java.io.IOException;
+import java.text.MessageFormat;
+import java.util.Arrays;
+
+import net.bigeon.gclc.command.Command;
+import net.bigeon.gclc.exception.CommandRunException;
+import net.bigeon.gclc.manager.ConsoleInput;
+import net.bigeon.gclc.manager.ConsoleOutput;
+
+/** @author Emmanuel Bigeon */
+public class EchoCommand extends Command {
+
+    /** @param name the command name */
+    public EchoCommand(final String name) {
+        super(name);
+    }
+
+    /* (non-Javadoc)
+     * @see
+     * fr.bigeon.gclc.command.ICommand#execute(fr.bigeon.gclc.manager.ConsoleOutput,
+     * fr.bigeon.gclc.manager.ConsoleInput, java.lang.String[]) */
+    @Override
+    public void execute(final ConsoleOutput out, final ConsoleInput in, final String... args)
+            throws CommandRunException {
+        try {
+            if (args.length == 1) {
+                out.print(args[0]);
+            }
+            if (args.length > 1) {
+                out.print(MessageFormat.format(args[0],
+                        (Object[]) Arrays.copyOfRange(args, 1, args.length)));
+            }
+            out.println();
+        } catch (final IOException e) {
+            throw new CommandRunException("Printing failed", e);
+        }
+    }
+
+    /* (non-Javadoc)
+     * @see fr.bigeon.gclc.command.ICommand#tip() */
+    @Override
+    public String tip() {
+        return "Print the message";
+    }
+
+    /* (non-Javadoc)
+     * @see fr.bigeon.gclc.command.Command#usageDetail() */
+    @Override
+    protected String usageDetail() {
+        return "A formatted message can be used";
+    }
+
+}