DTDInternalEntityImpl.java

/*******************************************************************************
 * Copyright (c) 2001, 2009 IBM Corporation and others.
 * 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
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.wst.dtd.core.internal.emf.impl;

import java.text.CharacterIterator;
import java.text.StringCharacterIterator;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.wst.dtd.core.internal.emf.DTDInternalEntity;
import org.eclipse.wst.dtd.core.internal.emf.DTDPackage;


/**
 * @generated
 */
public class DTDInternalEntityImpl extends DTDEntityContentImpl implements DTDInternalEntity {
	/**
	 * 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;

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected String value = VALUE_EDEFAULT;

	public DTDInternalEntityImpl() {
		super();
	}

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

	public String unparse() {
		StringBuffer sb = new StringBuffer(64);
		if (getValue() == null)
			sb.append("\"\""); //$NON-NLS-1$
		else {
			sb.append("\"").append(replaceDoubleQuotes(getValue())).append("\""); //$NON-NLS-1$ //$NON-NLS-2$
		}
		return sb.toString();
	}

	// this method replaces any occurrence of ' " ' with the equivalent value
	// of "
	private String replaceDoubleQuotes(String input) {
		StringBuffer newValue = new StringBuffer();

		StringCharacterIterator characters = new StringCharacterIterator(input);

		while (characters.current() != CharacterIterator.DONE) {
			char current = characters.current();

			if (current == '"') {
				newValue.append("""); //$NON-NLS-1$
			}
			else {
				newValue.append(current);
			}
			characters.next();
		}

		return newValue.toString();
	}

	/**
	 * @generated This field/method will be replaced during code generation
	 */
	public String getValue() {
		return value;
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void setValue(String newValue) {
		String oldValue = value;
		value = newValue;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DTDPackage.DTD_INTERNAL_ENTITY__VALUE, oldValue, value));
	}

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case DTDPackage.DTD_INTERNAL_ENTITY__VALUE:
				setValue(VALUE_EDEFAULT);
				return;
		}
		super.eUnset(featureID);
	}

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

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public String toString() {
		if (eIsProxy()) return super.toString();

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

}