tooling/org.eclipse.smila.processing.designer.model/code/src/org/eclipse/smila/processing/designer/model/processor/impl/PropertyImpl.java

/***********************************************************************************************************************
 * Copyright (c) 2010 Attensity Europe GmbH. 
 * All rights reserved. 
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 
 * which accompanies this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
 **********************************************************************************************************************/
package org.eclipse.smila.processing.designer.model.processor.impl;

import java.util.List;

import org.eclipse.bpel.model.impl.ExtensibleElementImpl;
import org.eclipse.bpel.model.util.ReconciliationHelper;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.smila.processing.designer.model.processor.ProcessorPackage;
import org.eclipse.smila.processing.designer.model.processor.Property;
import org.eclipse.smila.processing.designer.model.processor.util.DOMUtils;
import org.eclipse.smila.processing.designer.model.processor.util.ProcessorConstants;
import org.w3c.dom.Element;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Property</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.smila.processing.designer.model.processor.impl.PropertyImpl#getName <em>Name</em>}</li>
 *   <li>{@link org.eclipse.smila.processing.designer.model.processor.impl.PropertyImpl#getValue <em>Value</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class PropertyImpl extends ExtensibleElementImpl implements Property
{
    /**
     * The default value of the '{@link #getName() <em>Name</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getName()
     * @generated
     * @ordered
     */
    protected static final String NAME_EDEFAULT = null;

    /**
     * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getName()
     * @generated
     * @ordered
     */
    protected String name = NAME_EDEFAULT;

    /**
     * The default value of the '{@link #getValue() <em>Value</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getValue()
     * @generated
     * @ordered
     */
    protected static final String VALUE_EDEFAULT = null;

    /**
     * The cached value of the '{@link #getValue() <em>Value</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getValue()
     * @generated
     * @ordered
     */
    protected String value = VALUE_EDEFAULT;

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected PropertyImpl()
    {
        super();
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    protected EClass eStaticClass()
    {
        return ProcessorPackage.Literals.PROPERTY;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public String getName()
    {
        return name;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @customized
     */
    @Override
    public void setName(String newName)
    {
        String oldName = name;
        name = newName;
        if (!isReconciling)
        {
            ReconciliationHelper.replaceAttribute(this, ProcessorConstants.ATT_NAME, newName);
        }
        if (eNotificationRequired())
        {
            eNotify(new ENotificationImpl(this, Notification.SET, ProcessorPackage.PROPERTY__NAME, oldName, name));
        }
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public String getValue()
    {
        return value;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @customized
     */
    @Override
    public void setValue(String newValue)
    {
        String oldValue = value;
        value = newValue;
        if (!isReconciling)
        {
            replaceValue(newValue);
        }
        if (eNotificationRequired())
        {
            eNotify(new ENotificationImpl(this, Notification.SET, ProcessorPackage.PROPERTY__VALUE, oldValue, value));
        }
    }

    /**
     * Replaces the value at the linked element.
     * 
     * Can't use {@link ReconciliationHelper#replaceText} as we have an additional XML node (Value) that contains the text.
     *
     * @param newValue the new value
     */
    private void replaceValue(String newValue)
    {
        if (ReconciliationHelper.isLoading(this))
        {
            return;
        }

        boolean oldUpdatingDom = isUpdatingDOM();
        try
        {
            setUpdatingDOM(true);

            Element element = getElement();
            if (element == null)
            {
                System.err.println("trying to replace text on null element");
                return;
            }

            List<Element> elements =
                    DOMUtils.getChildElements(element, ProcessorPackage.eNS_URI, ProcessorConstants.NODE_VALUE);
            Element valueElement;
            if (elements.isEmpty())
            {
                valueElement =
                        element.getOwnerDocument().createElementNS(ProcessorPackage.eNS_URI, ProcessorConstants.NODE_VALUE);
                valueElement.setPrefix(ProcessorPackage.eNS_PREFIX);
                DOMUtils.appendIndented(element, valueElement);
            }
            else
            {
                valueElement = elements.get(0);
            }
            DOMUtils.writeTextContent(valueElement, newValue);
        }
        finally
        {
            setUpdatingDOM(oldUpdatingDom);
        }
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Object eGet(int featureID, boolean resolve, boolean coreType)
    {
        switch (featureID)
        {
            case ProcessorPackage.PROPERTY__NAME :
                return getName();
            case ProcessorPackage.PROPERTY__VALUE :
                return getValue();
        }
        return super.eGet(featureID, resolve, coreType);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eSet(int featureID, Object newValue)
    {
        switch (featureID)
        {
            case ProcessorPackage.PROPERTY__NAME :
                setName((String) newValue);
                return;
            case ProcessorPackage.PROPERTY__VALUE :
                setValue((String) newValue);
                return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eUnset(int featureID)
    {
        switch (featureID)
        {
            case ProcessorPackage.PROPERTY__NAME :
                setName(NAME_EDEFAULT);
                return;
            case ProcessorPackage.PROPERTY__VALUE :
                setValue(VALUE_EDEFAULT);
                return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public boolean eIsSet(int featureID)
    {
        switch (featureID)
        {
            case ProcessorPackage.PROPERTY__NAME :
                return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
            case ProcessorPackage.PROPERTY__VALUE :
                return VALUE_EDEFAULT == null ? value != null : !VALUE_EDEFAULT.equals(value);
        }
        return super.eIsSet(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public String toString()
    {
        if (eIsProxy())
        {
            return super.toString();
        }

        StringBuffer result = new StringBuffer(super.toString());
        result.append(" (name: ");
        result.append(name);
        result.append(", value: ");
        result.append(value);
        result.append(')');
        return result.toString();
    }

} //PropertyImpl