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The following commit(s) were added to refs/heads/main by this push:
new 4855c5e2476 CAMEL-18515: camel-jbang - Command to list kamelets from
the catalog.
4855c5e2476 is described below
commit 4855c5e2476d5ea4bd0d70e4e98b5539c9653378
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Fri Sep 16 23:47:22 2022 +0200
CAMEL-18515: camel-jbang - Command to list kamelets from the catalog.
---
.../dsl/jbang/core/commands/CamelJBangMain.java | 4 +
.../core/commands/kamelet/CatalogCommand.java | 35 ++++
.../core/commands/kamelet/CatalogKamelet.java | 206 +++++++++++++++++++++
3 files changed, 245 insertions(+)
diff --git
a/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/CamelJBangMain.java
b/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/CamelJBangMain.java
index 14b56996dd5..05fa2aa7921 100644
---
a/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/CamelJBangMain.java
+++
b/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/CamelJBangMain.java
@@ -28,6 +28,8 @@ import
org.apache.camel.dsl.jbang.core.commands.action.CamelRouteStartAction;
import org.apache.camel.dsl.jbang.core.commands.action.CamelRouteStopAction;
import org.apache.camel.dsl.jbang.core.commands.action.CamelSourceTop;
import org.apache.camel.dsl.jbang.core.commands.action.CamelThreadDump;
+import org.apache.camel.dsl.jbang.core.commands.kamelet.CatalogCommand;
+import org.apache.camel.dsl.jbang.core.commands.kamelet.CatalogKamelet;
import org.apache.camel.dsl.jbang.core.commands.process.CamelContextStatus;
import org.apache.camel.dsl.jbang.core.commands.process.CamelContextTop;
import org.apache.camel.dsl.jbang.core.commands.process.CamelProcessorStatus;
@@ -74,6 +76,8 @@ public class CamelJBangMain implements Callable<Integer> {
.addSubcommand("gc", new CommandLine(new
CamelGCAction(main))))
.addSubcommand("generate", new CommandLine(new
CodeGenerator(main))
.addSubcommand("rest", new CommandLine(new
CodeRestGenerator(main))))
+ .addSubcommand("catalog", new CommandLine(new
CatalogCommand(main))
+ .addSubcommand("kamelet", new CommandLine(new
CatalogKamelet(main))))
.addSubcommand("jolokia", new CommandLine(new Jolokia(main)))
.addSubcommand("hawtio", new CommandLine(new Hawtio(main)))
.addSubcommand("bind", new CommandLine(new Bind(main)))
diff --git
a/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/kamelet/CatalogCommand.java
b/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/kamelet/CatalogCommand.java
new file mode 100644
index 00000000000..da9d41dfe32
--- /dev/null
+++
b/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/kamelet/CatalogCommand.java
@@ -0,0 +1,35 @@
+/*
+ * 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.camel.dsl.jbang.core.commands.kamelet;
+
+import org.apache.camel.dsl.jbang.core.commands.CamelCommand;
+import org.apache.camel.dsl.jbang.core.commands.CamelJBangMain;
+import picocli.CommandLine;
+
+@CommandLine.Command(name = "catalog", description = "List artifacts from
Camel Catalog (use --help to see sub commands)")
+public class CatalogCommand extends CamelCommand {
+
+ public CatalogCommand(CamelJBangMain main) {
+ super(main);
+ }
+
+ @Override
+ public Integer call() throws Exception {
+ new CommandLine(this).execute("--help");
+ return 0;
+ }
+}
diff --git
a/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/kamelet/CatalogKamelet.java
b/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/kamelet/CatalogKamelet.java
new file mode 100644
index 00000000000..9598fa74741
--- /dev/null
+++
b/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/kamelet/CatalogKamelet.java
@@ -0,0 +1,206 @@
+/*
+ * 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.camel.dsl.jbang.core.commands.kamelet;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import com.github.freva.asciitable.AsciiTable;
+import com.github.freva.asciitable.Column;
+import com.github.freva.asciitable.HorizontalAlign;
+import org.apache.camel.dsl.jbang.core.commands.CamelCommand;
+import org.apache.camel.dsl.jbang.core.commands.CamelJBangMain;
+import org.apache.camel.main.download.DependencyDownloaderClassLoader;
+import org.apache.camel.main.download.MavenDependencyDownloader;
+import org.apache.camel.support.ObjectHelper;
+import org.apache.camel.util.StringHelper;
+import picocli.CommandLine;
+
+@CommandLine.Command(name = "kamelet", aliases = { "kamelet", "kamelets" },
+ description = "List Kamelets from the Kamelet Catalog")
+public class CatalogKamelet extends CamelCommand {
+
+ @CommandLine.Option(names = { "--sort" },
+ description = "Sort by name, type, level, or
description", defaultValue = "name")
+ String sort;
+
+ @CommandLine.Option(names = { "--type", "--filter-type" },
+ description = "Filter by type: source, sink, or
action")
+ String filterType;
+
+ @CommandLine.Option(names = { "--filter" },
+ description = "Filter by name or description")
+ String filterName;
+
+ @CommandLine.Option(names = {
+ "--kamelets-version" }, description = "Apache Camel Kamelets
version", defaultValue = "0.9.0")
+ String kameletsVersion;
+
+ public CatalogKamelet(CamelJBangMain main) {
+ super(main);
+ }
+
+ @Override
+ public Integer call() throws Exception {
+ List<Row> rows = new ArrayList<>();
+
+ Map<String, Object> kamelets;
+ try {
+ ClassLoader cl = createClassLoader();
+ MavenDependencyDownloader downloader = new
MavenDependencyDownloader();
+ downloader.setClassLoader(cl);
+ downloader.start();
+ downloader.downloadDependency("org.apache.camel.kamelets",
"camel-kamelets-catalog", kameletsVersion);
+
+ Thread.currentThread().setContextClassLoader(cl);
+ Class<?> clazz =
cl.loadClass("org.apache.camel.kamelets.catalog.KameletsCatalog");
+ Object catalog = clazz.getDeclaredConstructor().newInstance();
+ Method m = clazz.getMethod("getKamelets");
+ kamelets = (Map<String, Object>) ObjectHelper.invokeMethod(m,
catalog);
+ } catch (Exception e) {
+ System.err.println("Cannot download camel-kamelets-catalog due to
" + e.getMessage());
+ return 1;
+ }
+
+ for (Object o : kamelets.values()) {
+ Row row = new Row();
+ row.name = getName(o);
+ row.type = getType(o);
+ row.level = getLevel(o);
+ row.description = getDescription(o);
+ rows.add(row);
+ }
+
+ if (filterType != null) {
+ rows = rows.stream().filter(r ->
r.type.equalsIgnoreCase(filterType)).collect(Collectors.toList());
+ }
+ if (filterName != null) {
+ filterName = filterName.toLowerCase(Locale.ROOT);
+ rows = rows.stream().filter(
+ r -> r.name.equalsIgnoreCase(filterName) ||
r.description.toLowerCase(Locale.ROOT).contains(filterName))
+ .collect(Collectors.toList());
+ }
+
+ // sort rows
+ rows.sort(this::sortRow);
+
+ if (!rows.isEmpty()) {
+ System.out.println(AsciiTable.getTable(AsciiTable.NO_BORDERS,
rows, Arrays.asList(
+ new
Column().header("NAME").dataAlign(HorizontalAlign.LEFT).with(r -> r.name),
+ new
Column().header("TYPE").dataAlign(HorizontalAlign.LEFT).with(r -> r.type),
+ new
Column().header("LEVEL").dataAlign(HorizontalAlign.LEFT).with(r -> r.level),
+ new
Column().header("DESCRIPTION").dataAlign(HorizontalAlign.LEFT).with(this::getDescription))));
+ }
+
+ return 0;
+ }
+
+ protected int sortRow(Row o1, Row o2) {
+ String s = sort;
+ int negate = 1;
+ if (s.startsWith("-")) {
+ s = s.substring(1);
+ negate = -1;
+ }
+ switch (s) {
+ case "name":
+ return o1.name.compareToIgnoreCase(o2.name) * negate;
+ case "type":
+ return o1.type.compareToIgnoreCase(o2.type) * negate;
+ case "level":
+ return o1.level.compareToIgnoreCase(o2.level) * negate;
+ case "description":
+ return o1.description.compareToIgnoreCase(o2.description) *
negate;
+ default:
+ return 0;
+ }
+ }
+
+ private ClassLoader createClassLoader() {
+ ClassLoader parentCL = CatalogKamelet.class.getClassLoader();
+ return new DependencyDownloaderClassLoader(parentCL);
+ }
+
+ private String getName(Object kamelet) throws Exception {
+ Method m = kamelet.getClass().getMethod("getMetadata");
+ Object meta = ObjectHelper.invokeMethod(m, kamelet);
+ m = meta.getClass().getMethod("getName");
+ return (String) ObjectHelper.invokeMethod(m, meta);
+ }
+
+ private String getType(Object kamelet) throws Exception {
+ Method m = kamelet.getClass().getMethod("getMetadata");
+ Object meta = ObjectHelper.invokeMethod(m, kamelet);
+ m = meta.getClass().getMethod("getLabels");
+ Map labels = (Map) ObjectHelper.invokeMethod(m, meta);
+ if (labels != null) {
+ return (String) labels.get("camel.apache.org/kamelet.type");
+ }
+ return null;
+ }
+
+ private String getLevel(Object kamelet) throws Exception {
+ Method m = kamelet.getClass().getMethod("getMetadata");
+ Object meta = ObjectHelper.invokeMethod(m, kamelet);
+ m = meta.getClass().getMethod("getAnnotations");
+ Map anns = (Map) ObjectHelper.invokeMethod(m, meta);
+ if (anns != null) {
+ return (String) anns.get("camel.apache.org/kamelet.support.level");
+ }
+ return null;
+ }
+
+ private String getDescription(Object kamelet) throws Exception {
+ Method m = kamelet.getClass().getMethod("getSpec");
+ Object spec = ObjectHelper.invokeMethod(m, kamelet);
+ m = spec.getClass().getMethod("getDefinition");
+ Object def = ObjectHelper.invokeMethod(m, spec);
+ m = def.getClass().getMethod("getDescription");
+ return (String) ObjectHelper.invokeMethod(m, def);
+ }
+
+ private static class Row {
+ private String name;
+ private String type;
+ private String level;
+ private String description;
+ }
+
+ private String getDescription(Row r) {
+ String d = r.description;
+ if (d != null && d.contains(".")) {
+ // grab first sentence
+ d = StringHelper.before(d, ".");
+ d = d.trim();
+ }
+ if (d != null && d.contains("\n")) {
+ // grab first sentence
+ d = StringHelper.before(d, "\n");
+ d = d.trim();
+ }
+ if (d == null) {
+ d = "";
+ }
+ return d;
+ }
+
+}
