WMIPropertySource.java

/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
 *
 * 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 org.jkiss.dbeaver.ext.wmi.model;

import org.jkiss.code.Nullable;
import org.jkiss.dbeaver.DBException;
import org.jkiss.dbeaver.Log;
import org.jkiss.dbeaver.model.preferences.DBPPropertyDescriptor;
import org.jkiss.dbeaver.model.preferences.DBPPropertySource;
import org.jkiss.dbeaver.model.impl.PropertyDescriptor;
import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
import org.jkiss.wmi.service.WMIException;
import org.jkiss.wmi.service.WMIQualifiedObject;
import org.jkiss.wmi.service.WMIQualifier;

import java.util.Collection;

/**
 * Property source based on WMI qualifiers
 */
public abstract class WMIPropertySource implements DBPPropertySource
{
    private static final Log log = Log.getLog(WMIPropertySource.class);
    private static final DBPPropertyDescriptor[] EMPTY_PROPERTIES = new DBPPropertyDescriptor[0];

    protected abstract WMIQualifiedObject getQualifiedObject();

    protected boolean getFlagQualifier(String qName) throws DBException
    {
        WMIQualifiedObject qualifiedObject = getQualifiedObject();
        try {
            return qualifiedObject != null && Boolean.TRUE.equals(
                qualifiedObject.getQualifier(qName));
        } catch (WMIException e) {
            throw new DBException("Can't extract object qualifiers", e);
        }
    }

    @Override
    public Object getEditableValue()
    {
        return this;//getQualifiedObject();
    }

    @Override
    public DBPPropertyDescriptor[] getPropertyDescriptors2()
    {
        try {
            WMIQualifiedObject qualifiedObject = getQualifiedObject();
            if (qualifiedObject == null) {
                return EMPTY_PROPERTIES;
            }
            Collection<WMIQualifier> qualifiers = qualifiedObject.getQualifiers();
            DBPPropertyDescriptor[] result = new DBPPropertyDescriptor[qualifiers.size()];
            int index = 0;
            for (WMIQualifier qualifier : qualifiers) {
                String name = qualifier.getName();
                PropertyDescriptor prop = new PropertyDescriptor("WMI", name, name, null, null, false, null, null, false);
                result[index++] = prop;
            }
            return result;
        } catch (WMIException e) {
            log.error(e);
            return EMPTY_PROPERTIES;
        }
    }

    @Override
    public Object getPropertyValue(@Nullable DBRProgressMonitor monitor, Object id)
    {
        try {
            return getQualifiedObject().getQualifier(id.toString());
        } catch (WMIException e) {
            log.error(e);
            return null;
        }
    }

    @Override
    public boolean isPropertySet(Object id)
    {
        try {
            return getQualifiedObject().getQualifier(id.toString()) != null;
        } catch (WMIException e) {
            log.error(e);
            return false;
        }
    }

    @Override
    public void resetPropertyValue(@Nullable DBRProgressMonitor monitor, Object id)
    {

    }

    @Override
    public void setPropertyValue(@Nullable DBRProgressMonitor monitor, Object id, Object value)
    {

    }

    @Override
    public boolean isPropertyResettable(Object id) {
        return false;
    }

    @Override
    public void resetPropertyValueToDefault(Object id) {

    }

    @Override
    public boolean isDirty(Object id) {
        return false;
    }

}