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Posted to commits@camel.apache.org by ma...@apache.org on 2022/04/28 12:42:42 UTC

[camel] branch main updated: CAMEL-18023. camel-jbang command options from application.properties (#7511)

This is an automated email from the ASF dual-hosted git repository.

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


The following commit(s) were added to refs/heads/main by this push:
     new ef24ea4fdf6 CAMEL-18023. camel-jbang command options from application.properties (#7511)
ef24ea4fdf6 is described below

commit ef24ea4fdf6233a20c20953f0800efc6bb6f8927
Author: Marat Gubaidullin <ma...@gmail.com>
AuthorDate: Thu Apr 28 08:42:30 2022 -0400

    CAMEL-18023. camel-jbang command options from application.properties (#7511)
    
    * Options from properties
    
    * Checkstyle
    
    * Logging improvement
---
 .../dsl/jbang/core/commands/CamelJBangMain.java    |   1 +
 .../dsl/jbang/core/commands/PropertiesHelper.java  | 109 +++++++++++++++++++++
 2 files changed, 110 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 551917ccc79..00c3b149cb4 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
@@ -48,6 +48,7 @@ public class CamelJBangMain implements Callable<Integer> {
                 .addSubcommand("create", new CommandLine(new Create())
                         .addSubcommand("project", new Project()));
 
+        PropertiesHelper.augmentWithProperties(commandLine);
         int exitCode = commandLine.execute(args);
         System.exit(exitCode);
     }
diff --git a/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/PropertiesHelper.java b/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/PropertiesHelper.java
new file mode 100644
index 00000000000..03505bedfd7
--- /dev/null
+++ b/dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/PropertiesHelper.java
@@ -0,0 +1,109 @@
+/*
+ * 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;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import picocli.CommandLine;
+
+public final class PropertiesHelper {
+    private static final Logger LOG = LoggerFactory.getLogger(CamelJBangMain.class);
+    private static final String APPLICATION_PROPERTIES_FILE = "application.properties";
+    private static final String PROPERTY_PREFIX = "camel-jbang";
+    private static final String COMMAND_PREFIX = "CamelJBang";
+    private static final String COMMON_PREFIX = COMMAND_PREFIX + ".project.";
+    private static final List<String> COMMON_ARGUMENTS = List.of("namespace", "name", "version");
+
+    private PropertiesHelper() {
+    }
+
+    public static void augmentWithProperties(CommandLine commandLine) {
+        Properties fileProperties = readProperties();
+        Properties properties = replacePrefix(fileProperties);
+        Properties augmentedProperties = augmentProperties(properties, commandLine);
+        commandLine.setDefaultValueProvider(new CommandLine.PropertiesDefaultProvider(augmentedProperties));
+    }
+
+    private static Properties augmentProperties(Properties properties, final CommandLine commandLine) {
+        List<String> commonArgumentList = commonArgumentList(new ArrayList<>(), commandLine.getSubcommands(), commandLine.getCommandName());
+        commonArgumentList.forEach(key -> {
+            if (!properties.contains(key)) {
+                String[] parts = key.split(Pattern.quote("."));
+                String arg = parts[parts.length - 1];
+                if (COMMON_ARGUMENTS.contains(arg) && properties.containsKey(COMMON_PREFIX + arg)) {
+                    String value = properties.getProperty(COMMON_PREFIX + arg);
+                    properties.put(key, value);
+                }
+            }
+        });
+        return properties;
+    }
+
+    private static List<String> commonArgumentList(List<String> list, Map<String, CommandLine> commandLines, String parentPrefix) {
+        commandLines.forEach((name, subCommand) -> {
+            subCommand.getCommandSpec().args().stream()
+                    .filter(arg -> arg instanceof CommandLine.Model.OptionSpec)
+                    .map(arg -> (CommandLine.Model.OptionSpec) arg)
+                    .filter(arg -> COMMON_ARGUMENTS.contains(arg.longestName().replace("--", "")))
+                    .map(arg -> arg.longestName().replace("--", ""))
+                    .forEach(arg -> list.add(generateParameter(parentPrefix, subCommand.getCommandName(), arg)));
+
+            list.addAll(commonArgumentList(new ArrayList<>(), subCommand.getSubcommands(), generateParameter(parentPrefix, name)));
+        });
+        return list;
+    }
+
+    private static String generateParameter(String... prefix) {
+        return Arrays.asList(prefix).stream()
+                .filter(s -> s != null)
+                .collect(Collectors.joining("."));
+    }
+
+    private static Properties replacePrefix(Properties properties) {
+        Properties result = new Properties();
+        properties.forEach((key, value) -> {
+            if (key.toString().startsWith(PROPERTY_PREFIX)) {
+                result.put(key.toString().replace(PROPERTY_PREFIX, COMMAND_PREFIX), value);
+            }
+        });
+        return result;
+    }
+
+    private static Properties readProperties() {
+        File defaultsFile = new File(APPLICATION_PROPERTIES_FILE);
+        Properties properties = new Properties();
+        if (defaultsFile.exists()) {
+            try (FileInputStream fis = new FileInputStream(defaultsFile)) {
+                properties.load(fis);
+            } catch (IOException e) {
+                LOG.error("Error reading defaults file: {}", e.getMessage(), e);
+            }
+        }
+        return properties;
+    }
+}