Package net.lr.tutorial.karaf.db.command

Source Code of net.lr.tutorial.karaf.db.command.SelectCommand

/*
* 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 net.lr.tutorial.karaf.db.command;

import java.util.List;

import net.lr.tutorial.karaf.db.service.DbInfo;
import net.lr.tutorial.karaf.db.service.DbSelect;

import org.apache.felix.gogo.commands.Action;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;
import org.apache.felix.service.command.CommandSession;
import org.osgi.framework.ServiceReference;

@Command(scope = "db", name = "select", description = "Selects a datasource")
public class SelectCommand implements Action {
    @Argument(index=0, name="name", required=false, description="DataSource JNDI name", multiValued=false)
    String name;

    private DbSelect dbSelect;

    public void setDbSelect(DbSelect dbSelect) {
        this.dbSelect = dbSelect;
    }

    @Override
    public Object execute(CommandSession session) throws Exception {
        if (name == null) {
            ShellTable table = getDataSourcesTable();
            table.print();
        } else {
            dbSelect.selectDataSource(name);
        }
        return null;
    }

    public ShellTable getDataSourcesTable() {
        ServiceReference[] dataSources = dbSelect.getDataSources();
        ShellTable table = new ShellTable();
        table.header.add("Sel");
        table.header.add("Name");
        table.header.add("Product");
        table.header.add("Version");
        table.header.add("URL");
        for (ServiceReference ref : dataSources) {
            List<String> row = table.addRow();
            DbInfo info = dbSelect.getDataSourceInfo(ref);
            row.add(info.selected ? "*" : "");
            row.add(info.jndiName);
            row.add(info.product);
            row.add(info.version);
            row.add(info.url);
        }
        return table;
    }
}
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