ProtocolPropertiesHelper.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it).
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.openspcoop2.core.config.rs.server.api.impl;

import java.util.Map;

import org.openspcoop2.core.commons.CoreException;
import org.openspcoop2.protocol.sdk.properties.AbstractProperty;
import org.openspcoop2.protocol.sdk.properties.BinaryProperty;
import org.openspcoop2.protocol.sdk.properties.BooleanProperty;
import org.openspcoop2.protocol.sdk.properties.NumberProperty;
import org.openspcoop2.protocol.sdk.properties.StringProperty;

/**
 * ProtocolPropertiesHelper
 *
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class ProtocolPropertiesHelper {
    
    private ProtocolPropertiesHelper() {}

    private static String getPropertyPrefix(String key) {
        return "Property "+key+" ";
    }
    
    private static Object returnProperty(boolean permitReturnNull, String key, AbstractProperty<?> prop, String expectedClassName) throws CoreException {
        if(permitReturnNull && prop==null) {
            return null;
        }
        throw new CoreException(getPropertyPrefix(key)+"non è "+expectedClassName+": " + (prop!=null ? prop.getClass().getName() : "null prop" ) );
    }
    
    public static Boolean getBooleanProperty(Map<String, AbstractProperty<?>> p, String key, boolean required) throws CoreException {
        return getBooleanProperty(p, key, required, false);
    }
    public static Boolean getBooleanProperty(Map<String, AbstractProperty<?>> p, String key, boolean required, boolean permitReturnNull) throws CoreException {
        AbstractProperty<?> prop = getProperty(p, key, required);
        if(prop instanceof BooleanProperty) {
            return ((BooleanProperty)prop).getValue();
        } else {
            return (Boolean) returnProperty(permitReturnNull, key, prop, "Boolean");
        }
    }


    public static String getStringProperty(Map<String, AbstractProperty<?>> p, String key, boolean required) throws CoreException {

        AbstractProperty<?> prop = getProperty(p, key, required);
        if(prop == null) return null;
        if(prop instanceof StringProperty) {
            return ((StringProperty)prop).getValue();
        } else {
            throw new CoreException(getPropertyPrefix(key)+"non è una StringProperty:" + prop.getClass().getName());
        }
    }

    public static byte[] getByteArrayProperty(Map<String, AbstractProperty<?>> p, String key, boolean required) throws CoreException {

        byte[] empty = null;
        
        AbstractProperty<?> prop = getProperty(p, key, required);
        if(prop == null) 
            return empty;
        if(prop instanceof BinaryProperty) {
            return ((BinaryProperty)prop).getValue();
        } else {
            throw new CoreException(getPropertyPrefix(key)+"non è una BinaryProperty:" + prop.getClass().getName());
        }
    }

    public static Integer getIntegerProperty(Map<String, AbstractProperty<?>> p, String key, boolean required) throws CoreException {

        AbstractProperty<?> prop = getProperty(p, key, required);
        if(prop == null) return null;
        if(prop instanceof NumberProperty) {
            return ((NumberProperty)prop).getValue().intValue();
        } else {
            throw new CoreException(getPropertyPrefix(key)+"non è una NumberProperty:" + prop.getClass().getName());
        }
    }

    @SuppressWarnings("rawtypes")
    public static AbstractProperty getProperty(Map<String, AbstractProperty<?>> p, String key, boolean required) throws CoreException {
        if(p.containsKey(key)) {
            return p.get(key);
        } else {
            if(required) {
                throw new CoreException(getPropertyPrefix(key)+"non trovata");
            } else {
                return null;
            }
        }
    }
}