SchemaComponentQNamedDetail.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.mappingsplugin.ui.schema;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import org.eclipse.persistence.tools.workbench.mappingsmodel.schema.MWNamedSchemaComponent;
import org.eclipse.persistence.tools.workbench.mappingsmodel.schema.MWNamespace;
import org.eclipse.persistence.tools.workbench.mappingsmodel.schema.MWSchemaComponent;

abstract class SchemaComponentQNamedDetail
    extends SchemaComponentDetail
{
    public SchemaComponentQNamedDetail(MWSchemaComponent component) {
        super(component);
    }

    protected void initialize(MWSchemaComponent component) {
        super.initialize(component);
        this.engageComponent(this.getQNamedComponent());
    }

    private void engageComponent(MWNamedSchemaComponent qNamedComponent) {
        if (qNamedComponent != null) {
            qNamedComponent.getTargetNamespace().addPropertyChangeListener(MWNamespace.NAMESPACE_PREFIX_PROPERTY, this.buildNamespacePrefixChangeListener());
        }
    }

    private PropertyChangeListener buildNamespacePrefixChangeListener() {
        return new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent evt) {
                SchemaComponentQNamedDetail.this.valueChanged();
            }
        };
    }

    protected String getValueFromComponent() {
        return this.getQName();
    }

    private String getQName() {
        MWNamedSchemaComponent qNamedComponent = this.getQNamedComponent();
        return (qNamedComponent == null) ? null : qNamedComponent.qName();
    }

    protected abstract MWNamedSchemaComponent getQNamedComponent();
}