[karaf] branch main updated: [KARAF-7583] Add shell:alias command (including persist option)

[jb...@apache.org]

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jbonofre pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/karaf.git


The following commit(s) were added to refs/heads/main by this push:
     new 67f0f19c83 [KARAF-7583] Add shell:alias command (including persist option)
     new 00acb04a68 Merge pull request #1700 from jbonofre/KARAF-7583
67f0f19c83 is described below

commit 67f0f19c83df73297dae56bc29ad13235c3ce888
Author: Jean-Baptiste Onofré <jb...@apache.org>
AuthorDate: Mon Dec 19 18:50:46 2022 +0100

    [KARAF-7583] Add shell:alias command (including persist option)
---
 .../karaf/shell/commands/impl/AliasAction.java     | 59 ++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/shell/commands/src/main/java/org/apache/karaf/shell/commands/impl/AliasAction.java b/shell/commands/src/main/java/org/apache/karaf/shell/commands/impl/AliasAction.java
new file mode 100644
index 0000000000..b2df334be7
--- /dev/null
+++ b/shell/commands/src/main/java/org/apache/karaf/shell/commands/impl/AliasAction.java
@@ -0,0 +1,59 @@
+/*
+ * 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.karaf.shell.commands.impl;
+
+import org.apache.karaf.shell.api.action.Action;
+import org.apache.karaf.shell.api.action.Argument;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.Option;
+import org.apache.karaf.shell.api.action.lifecycle.Reference;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+import org.apache.karaf.shell.api.console.Session;
+
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.OutputStreamWriter;
+
+@Command(scope = "shell", name = "alias", description = "Create an alias to a command")
+@Service
+public class AliasAction implements Action {
+
+    @Argument(index = 0, name = "command", description = "The command to alias, e.g. 'ldn = { log:display -n $args }'", required = true, multiValued = false)
+    private String alias;
+
+    @Option(name = "--persist", aliases = "-p", description = "Add this flag to persist the alias in ${karaf.etc}/shell.init.script")
+    private boolean persist;
+
+    @Reference
+    Session session;
+
+    @Override
+    public Object execute() throws Exception {
+        session.execute(alias);
+
+        if (persist) {
+            String karafEtc = session.get("karaf.etc").toString();
+            try (OutputStreamWriter writer = new OutputStreamWriter(new BufferedOutputStream(new FileOutputStream(new File(karafEtc, "shell.init.script"), true)))) {
+                writer.write("\n" + alias + ";");
+            }
+        }
+
+        return null;
+    }
+
+}