/**
* <copyright>
* Copyright (c) 2005 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
* </copyright>
*
* $Id: QueryImpl.java,v 1.9 2011/06/06 16:53:25 rbrodt Exp $
*/
package org.eclipse.bpel.model.messageproperties.impl;
//Bugzilla 340654 - renamed to avoid confusion with WSDL's ExtensibilityElement
import org.eclipse.bpel.model.Expression;
import org.eclipse.bpel.model.impl.BPELExtensibilityElementImpl;
import java.util.Collection;
import javax.xml.namespace.QName;
import org.eclipse.bpel.model.messageproperties.MessagepropertiesPackage;
import org.eclipse.bpel.model.messageproperties.Query;
import org.eclipse.bpel.model.messageproperties.util.MessagepropertiesConstants;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.wst.wsdl.internal.impl.ExtensibilityElementImpl;
import org.w3c.dom.CDATASection;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Query</b></em>'.
* CAUTION: We want to reuse the XPath editor for query expression, but unfortunately it requires that
* the model object implements the Expression interface (only used in the BPEL model currently).
* I have added the Expression methods by hand. These have essentially the same functionality as the Query
* interface, only the names are changed.
*
* @see https://jira.jboss.org/browse/JBIDE-7107
* @see https://bugs.eclipse.org/bugs/show_bug.cgi?id=330813
* @see https://bugs.eclipse.org/bugs/show_bug.cgi?id=348434
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.bpel.model.messageproperties.impl.QueryImpl#getQueryLanguage <em>Query Language</em>}</li>
* <li>{@link org.eclipse.bpel.model.messageproperties.impl.QueryImpl#getValue <em>Value</em>}</li>
* </ul>
* </p>
*
* @customized
*/
public class QueryImpl extends BPELExtensibilityElementImpl implements Query,
Expression {
/**
* The default value of the '{@link #getQueryLanguage() <em>Query Language</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getQueryLanguage()
* @generated
* @ordered
*/
protected static final String QUERY_LANGUAGE_EDEFAULT = null;
/**
* The cached value of the '{@link #getQueryLanguage() <em>Query Language</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getQueryLanguage()
* @generated
* @ordered
*/
protected String queryLanguage = QUERY_LANGUAGE_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 QueryImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return MessagepropertiesPackage.Literals.QUERY;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String getQueryLanguage() {
return queryLanguage;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setQueryLanguage(String newQueryLanguage) {
String oldQueryLanguage = queryLanguage;
queryLanguage = newQueryLanguage;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, MessagepropertiesPackage.QUERY__QUERY_LANGUAGE, oldQueryLanguage, queryLanguage));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String getValue() {
return value;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setValue(String newValue) {
String oldValue = value;
value = newValue;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, MessagepropertiesPackage.QUERY__VALUE, oldValue, value));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case MessagepropertiesPackage.QUERY__QUERY_LANGUAGE:
return getQueryLanguage();
case MessagepropertiesPackage.QUERY__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 MessagepropertiesPackage.QUERY__QUERY_LANGUAGE:
setQueryLanguage((String)newValue);
return;
case MessagepropertiesPackage.QUERY__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 MessagepropertiesPackage.QUERY__QUERY_LANGUAGE:
setQueryLanguage(QUERY_LANGUAGE_EDEFAULT);
return;
case MessagepropertiesPackage.QUERY__VALUE:
setValue(VALUE_EDEFAULT);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case MessagepropertiesPackage.QUERY__QUERY_LANGUAGE:
return QUERY_LANGUAGE_EDEFAULT == null ? queryLanguage != null : !QUERY_LANGUAGE_EDEFAULT.equals(queryLanguage);
case MessagepropertiesPackage.QUERY__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(" (queryLanguage: ");
result.append(queryLanguage);
result.append(", value: ");
result.append(value);
result.append(')');
return result.toString();
}
//
// Reconcile methods: DOM -> Model
//
@Override
public void reconcileAttributes(Element changedElement) {
//System.out.println("RoleImpl.reconcileAttributes("+changedElement+")");
super.reconcileAttributes(changedElement);
setQueryLanguage(MessagepropertiesConstants.getAttribute(
changedElement,
MessagepropertiesConstants.QUERY_QUERYLANGUAGE_ATTRIBUTE));
// Determine whether or not there is an element in the child list.
Node candidateChild = null;
NodeList nodeList = changedElement.getChildNodes();
int length = nodeList.getLength();
for (int i = 0; i < length; i++) {
Node child = nodeList.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE) {
candidateChild = child;
break;
}
}
if (candidateChild == null) {
candidateChild = changedElement.getFirstChild();
}
String data = getText(candidateChild);
if (data != null) {
setValue(data);
}
reconcileReferences(true); // TODO true?
}
@Override
public void handleUnreconciledElement(Element child,
Collection remainingModelObjects) {
//System.out.println("QueryImpl.handleUnreconciledElement()");
// String value = getText(child);
// if (value != null) {
// setValue(value);
// }
}
//
// For reconciliation: Model -> DOM
//
@Override
protected void changeAttribute(EAttribute eAttribute) {
//System.out.println("RoleImpl.changeAttribute("+eAttribute+")");
if (isReconciling)
return;
super.changeAttribute(eAttribute);
Element theElement = getElement();
if (theElement != null) {
if (eAttribute == null
|| eAttribute == MessagepropertiesPackage.eINSTANCE
.getQuery_QueryLanguage())
niceSetAttribute(
theElement,
MessagepropertiesConstants.QUERY_QUERYLANGUAGE_ATTRIBUTE,
getQueryLanguage());
}
}
@Override
public Element createElement() {
//System.out.println("QueryImpl.createElement()");
Element newElement = super.createElement();
String value = getValue();
if (value != null) {
CDATASection cdata = getEnclosingDefinition().getDocument()
.createCDATASection(value);
newElement.appendChild(cdata);
}
return newElement;
}
/**
* Helper method to get a string from the given text node or CDATA text node.
*/
private String getText(Node node) {
StringBuilder data = new StringBuilder();
boolean containsValidData = false;
while (node != null) {
if (node.getNodeType() == Node.TEXT_NODE) {
Text text = (Text) node;
data.append(text.getData());
} else if (node.getNodeType() == Node.CDATA_SECTION_NODE) {
data = new StringBuilder();
do {
CDATASection cdata = (CDATASection) node;
data.append(cdata.getData());
node = node.getNextSibling();
containsValidData = true;
} while (node != null
&& node.getNodeType() == Node.CDATA_SECTION_NODE);
break;
}
node = node.getNextSibling();
}
if (!containsValidData) {
for (int i = 0; i < data.length(); i++) {
char charData = data.charAt(i);
if (charData == '\n' || Character.isWhitespace(charData)) {
}//ignore
else { //valid data
containsValidData = true;
break;
}
}
}
return containsValidData ? data.toString() : null;
}
/**
* Override the XML element token.
*/
@Override
public QName getElementType() {
if (elementType == null)
elementType = new QName(MessagepropertiesConstants.NAMESPACE,
MessagepropertiesConstants.QUERY_ELEMENT_TAG);
return elementType;
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=330813
// https://jira.jboss.org/browse/JBIDE-7107
// the Expression interface methods
public Object getBody() {
return getValue();
}
public void setBody(Object value) {
setValue(value.toString());
}
public String getExpressionLanguage() {
return getQueryLanguage();
}
public void setExpressionLanguage(String value) {
setQueryLanguage(value);
}
public void unsetExpressionLanguage() {
setQueryLanguage(null);
}
public boolean isSetExpressionLanguage() {
return getQueryLanguage() != null;
}
public Boolean getOpaque() {
return null;
}
public void setOpaque(Boolean value) {
}
public void unsetOpaque() {
}
public boolean isSetOpaque() {
return false;
}
} //QueryImpl