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commands OSGi blueprint bundle project.

There is a newer version: 6.4.0

/**
 * Copyright 2018 Mike Hummel
 *
 * Licensed 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 de.mhus.karaf.commands.shell;

import java.lang.reflect.Method;

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.lifecycle.Service;

@Command(scope = "shell", name = "inspectObject", description = "Inspect a object")
@Service
public class CmdObjectInspect implements Action {

	@Argument(index=0, name="classname", required=true, description="Class name", multiValued=false)
    Object object;

	@Override
	public Object execute() throws Exception {
		
		Class clazz = object.getClass();
		System.out.println("Class " + clazz.getCanonicalName() + ":");
		System.out.println();
		for (Method method : clazz.getMethods()) {
			if ( !method.getDeclaringClass().getName().equals("java.lang.Object")) {
				System.out.println(" " + method.getName() + "          (declared in " + method.getDeclaringClass().getName() + ")");
				boolean first = true;
				for (Class t : method.getParameterTypes()) {
					if (first)
						System.out.print(" -> ");
					else
						System.out.print(",");
					System.out.print(t.getCanonicalName());
					first = false;
				}
				if (!first)
					System.out.println();
				if (method.getReturnType() != void.class) {
					System.out.println(" <- " + method.getReturnType().getName());
				}
				System.out.println();
			}
		}
		
		return null;
	}

}