rootcause/src/main/java/org/apache/felix/rootcause/RootCauseCommand.java

/*
 * 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.felix.rootcause;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.osgi.service.component.runtime.ServiceComponentRuntime;
import org.osgi.service.component.runtime.dto.ComponentDescriptionDTO;

@Component(
        service = RootCauseCommand.class,
        property = {
                "osgi.command.scope=ready", //
                "osgi.command.function=rootcause"
        }
        )
public class RootCauseCommand {
    
    @Reference
    ServiceComponentRuntime scr;
    
    public DSComp rootcause(String componentName) {
        ComponentDescriptionDTO cdesc = scr.getComponentDescriptionDTOs().stream()
            .filter(desc -> desc.name.equals(componentName))
            .findFirst().get();
        DSComp rootCause = new DSRootCause(scr).getRootCause(cdesc);
        new RootCausePrinter().print(rootCause);
        return rootCause;
    }
}