1 files changed, 67 insertions, 0 deletions

diff --git a/app/src/main/java/org/pacien/tincapp/commands/Command.java b/app/src/main/java/org/pacien/tincapp/commands/Command.java
new file mode 100644
index 0000000..28ff226
--- /dev/null
+++ b/app/src/main/java/org/pacien/tincapp/commands/Command.java
@@ -0,0 +1,67 @@
+package org.pacien.tincapp.commands;
+
+import com.annimon.stream.Collectors;
+import com.annimon.stream.Optional;
+import com.annimon.stream.Stream;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * @author pacien
+ */
+class Command {
+
+        static private class Option {
+                final String key;
+                final Optional<java.lang.String> val;
+
+                Option(String key, String val) {
+                        this.key = key;
+                        this.val = Optional.ofNullable(val);
+                }
+
+                @Override
+                public String toString() {
+                        return val.isPresent() ? "--" + key + "=" + val.get() : "--" + key;
+                }
+        }
+
+        final private String cmd;
+        final private List<Option> opts;
+        final private List<String> args;
+
+        public Command(String cmd) {
+                this.cmd = cmd;
+                this.opts = new LinkedList<>();
+                this.args = new LinkedList<>();
+        }
+
+        public Command withOption(String key, String val) {
+                this.opts.add(new Option(key, val));
+                return this;
+        }
+
+        public Command withOption(String key) {
+                return this.withOption(key, null);
+        }
+
+        public Command withArguments(String... args) {
+                this.args.addAll(Arrays.asList(args));
+                return this;
+        }
+
+        public List<String> asList() {
+                return Collections.unmodifiableList(
+                                Stream.concat(Stream.of(Collections.singleton(this.cmd)),
+                                                Stream.concat(Stream.of(this.opts).map(Option::toString), Stream.of(this.args)))
+                                                .collect(Collectors.toList()));
+        }
+
+        public String[] asArray() {
+                return this.asList().toArray(new String[0]);
+        }
+
+}