org.tango.server.properties.DevicePropertyImpl Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of JTangoServer Show documentation
Library for Tango Server (ie. Tango Device) in Java
There is a newer version: 10.0.0
/**
 * Copyright (C) :     2012
 * 
 * Synchrotron Soleil
 * L'Orme des merisiers
 * Saint Aubin
 * BP48
 * 91192 GIF-SUR-YVETTE CEDEX
 * 

 * This file is part of Tango.
 * 

 * Tango is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 

 * Tango is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with Tango.  If not, see .
 */
package org.tango.server.properties;

import fr.esrf.Tango.DevFailed;
import org.slf4j.ext.XLogger;
import org.slf4j.ext.XLoggerFactory;
import org.tango.utils.DevFailedUtils;

import java.lang.reflect.Method;
import java.util.Arrays;

public final class DevicePropertyImpl {
    private final XLogger xlogger = XLoggerFactory.getXLogger(DevicePropertyImpl.class);
    private final Method propertyMethod;
    private final String description;
    private final Object businessObject;
    private final String deviceName;
    private final String className;
    private final String name;
    private final String[] defaultValue;
    private final boolean isMandatory;

    public DevicePropertyImpl(final String propertyName, final String description, final Method propertyMethod,
                              final Object businessObject, final String deviceName, final String className, final boolean isMandatory,
                              final String... defaultValue) throws DevFailed {
        this.description = description;
        name = propertyName;
        this.propertyMethod = propertyMethod;
        this.businessObject = businessObject;
        this.deviceName = deviceName;
        this.className = className;
        this.isMandatory = isMandatory;
        if (defaultValue.length == 0 || (defaultValue.length == 1 && defaultValue[0].isEmpty())) {
            this.defaultValue = new String[0];
        }else{
            this.defaultValue = defaultValue;
        }
    }

    public void update() throws DevFailed {
        xlogger.entry(name);
        final String[] property = PropertiesUtils.getDeviceProperty(deviceName, className, name);
        if (isMandatory && (property.length == 0 || property[0].isEmpty())) {
            throw DevFailedUtils.newDevFailed(name + " device property is mandatory");
        }
        PropertiesUtils.injectProperty(name, propertyMethod, property, businessObject, defaultValue);
        xlogger.exit();
    }

    public String getName() {
        return name;
    }

    public String getDescription() {
        return description;
    }

    public String[] getDefaultValue() {
        return Arrays.copyOf(defaultValue, defaultValue.length);
    }

}