SCPlatformManager.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.scplugin.model;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.eclipse.persistence.tools.workbench.utility.ClassTools;
import org.eclipse.persistence.tools.workbench.utility.iterators.TransformationIterator;
import org.eclipse.persistence.tools.workbench.utility.string.StringTools;


public abstract class SCPlatformManager {

    // key = aStringID, value = platformClassName
    private Map platforms;

    protected SCPlatformManager() {

        initialize();
    }

    protected void initialize() {

        this.platforms = new HashMap();
        this.buidPlatforms();
    }

    protected void addPlatform( String id, String platformClassName) {
        this.platforms.put( id, platformClassName);
    }

    protected abstract void buidPlatforms();

    public Iterator platformIds() {

        return this.platforms.keySet().iterator();
    }

    public Iterator platformNames() {

        return this.platforms.values().iterator();
    }

    public Iterator platformShortNames() {
        return new TransformationIterator( this.platformNames()) {
            protected Object transform( Object next) {
                return ClassTools.shortNameForClassNamed(( String)next);
            }
        };
    }

    public String getRuntimePlatformClassNameForClass( String shortClassName) {
        for( Iterator i = platformNames(); i.hasNext(); ) {
            String className = ( String)i.next();
            if( className.endsWith( shortClassName)) {
                return className;
            }
        }
        throw new IllegalArgumentException( "missing database type named: "
                + shortClassName);
    }

    public String getRuntimePlatformClassNameFor( String key) {

        return ( String)this.platforms.get( key);
    }

    public String getIdFor( String shortClassName) {

        for( Iterator i = this.platforms.keySet().iterator(); i.hasNext(); ) {
            String key = ( String)i.next();
            String value = ( String)this.platforms.get( key);
            if( value.endsWith( shortClassName))
                return key;
        }
        throw new IllegalArgumentException( "missing plaform named: " + shortClassName);
    }

    public boolean serverPlatformIsSupported( String className) {
        if( StringTools.stringIsEmpty( className)) return false;

        return this.platforms.containsValue( className);
    }

    public int platformsSize() {
        return this.platforms.size();
    }
}