/*****************************************************************************
* Copyright (c) 2011 CEA LIST.
*
*
* 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:
* Amine EL KOUHEN (CEA LIST/LIFL) - Amine.El-Kouhen@lifl.fr
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.component.parsers;
import java.util.Arrays;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EDataType;
import org.eclipse.emf.ecore.EEnum;
import org.eclipse.emf.ecore.EEnumLiteral;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.common.core.command.UnexecutableCommand;
import org.eclipse.gmf.runtime.common.ui.services.parser.IParser;
import org.eclipse.gmf.runtime.common.ui.services.parser.IParserEditStatus;
import org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.SetValueCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
import org.eclipse.osgi.util.NLS;
import org.eclipse.papyrus.uml.diagram.component.part.Messages;
import org.eclipse.papyrus.uml.diagram.component.part.UMLDiagramEditorPlugin;
// TODO: Auto-generated Javadoc
/**
* The Class AbstractParser.
*
* @generated
*/
public abstract class AbstractParser implements IParser {
/** The features. @generated */
protected final EAttribute[] features;
/** The editable features. @generated */
protected final EAttribute[] editableFeatures;
/** The view pattern. @generated */
private String viewPattern;
/** The editor pattern. @generated */
private String editorPattern;
/** The edit pattern. @generated */
private String editPattern;
/**
* Instantiates a new abstract parser.
*
* @param features
* the features
* @generated
*/
public AbstractParser(EAttribute[] features) {
if(features == null || Arrays.asList(features).contains(null)) {
throw new IllegalArgumentException();
}
this.editableFeatures = this.features = features;
}
/**
* Instantiates a new abstract parser.
*
* @param features
* the features
* @param editableFeatures
* the editable features
* @generated
*/
public AbstractParser(EAttribute[] features, EAttribute[] editableFeatures) {
if(features == null || Arrays.asList(features).contains(null)) {
throw new IllegalArgumentException();
}
this.features = features;
if(editableFeatures == null || Arrays.asList(editableFeatures).contains(null)) {
throw new IllegalArgumentException();
}
this.editableFeatures = editableFeatures;
}
/**
* Gets the view pattern.
*
* @return the view pattern
* @generated
*/
public String getViewPattern() {
return viewPattern;
}
/**
* Sets the view pattern.
*
* @param viewPattern
* the new view pattern
* @generated
*/
public void setViewPattern(String viewPattern) {
this.viewPattern = viewPattern;
}
/**
* Gets the editor pattern.
*
* @return the editor pattern
* @generated
*/
public String getEditorPattern() {
return editorPattern;
}
/**
* Sets the editor pattern.
*
* @param editorPattern
* the new editor pattern
* @generated
*/
public void setEditorPattern(String editorPattern) {
this.editorPattern = editorPattern;
}
/**
* Gets the edits the pattern.
*
* @return the edits the pattern
* @generated
*/
public String getEditPattern() {
return editPattern;
}
/**
* Sets the edits the pattern.
*
* @param editPattern
* the new edits the pattern
* @generated
*/
public void setEditPattern(String editPattern) {
this.editPattern = editPattern;
}
/**
* Checks if is affecting event.
*
* @param event
* the event
* @param flags
* the flags
* @return true, if is affecting event
* @generated
*/
public boolean isAffectingEvent(Object event, int flags) {
if(event instanceof Notification) {
return isAffectingFeature(((Notification)event).getFeature());
}
return false;
}
/**
* Checks if is affecting feature.
*
* @param feature
* the feature
* @return true, if is affecting feature
* @generated
*/
protected boolean isAffectingFeature(Object feature) {
for(int i = 0; i < features.length; i++) {
if(features[i] == feature) {
return true;
}
}
return false;
}
/**
* Gets the completion processor.
*
* @param element
* the element
* @return the completion processor
* @generated
*/
public IContentAssistProcessor getCompletionProcessor(IAdaptable element) {
return null;
}
/**
* Gets the values.
*
* @param element
* the element
* @return the values
* @generated
*/
protected Object[] getValues(EObject element) {
Object[] values = new Object[features.length];
for(int i = 0; i < features.length; i++) {
values[i] = getValue(element, features[i]);
}
return values;
}
/**
* Gets the editable values.
*
* @param element
* the element
* @return the editable values
* @generated
*/
protected Object[] getEditableValues(EObject element) {
Object[] values = new Object[editableFeatures.length];
for(int i = 0; i < editableFeatures.length; i++) {
values[i] = getValue(element, editableFeatures[i]);
}
return values;
}
/**
* Gets the value.
*
* @param element
* the element
* @param feature
* the feature
* @return the value
* @generated
*/
protected Object getValue(EObject element, EAttribute feature) {
Object value = element.eGet(feature);
Class iClass = feature.getEAttributeType().getInstanceClass();
if(String.class.equals(iClass)) {
if(value == null) {
value = ""; //$NON-NLS-1$
}
}
return value;
}
/**
* Gets the parses the command.
*
* @param adapter
* the adapter
* @param values
* the values
* @param flags
* the flags
* @return the parses the command
* @generated
*/
protected ICommand getParseCommand(IAdaptable adapter, Object[] values, int flags) {
if(values == null || validateNewValues(values).getCode() != IParserEditStatus.EDITABLE) {
return UnexecutableCommand.INSTANCE;
}
EObject element = (EObject)adapter.getAdapter(EObject.class);
TransactionalEditingDomain editingDomain = TransactionUtil.getEditingDomain(element);
if(editingDomain == null) {
return UnexecutableCommand.INSTANCE;
}
CompositeTransactionalCommand command = new CompositeTransactionalCommand(editingDomain, "Set Values"); //$NON-NLS-1$
for(int i = 0; i < values.length; i++) {
command.compose(getModificationCommand(element, editableFeatures[i], values[i]));
}
return command;
}
/**
* Gets the modification command.
*
* @param element
* the element
* @param feature
* the feature
* @param value
* the value
* @return the modification command
* @generated
*/
protected ICommand getModificationCommand(EObject element, EAttribute feature, Object value) {
value = getValidNewValue(feature, value);
if(value instanceof InvalidValue) {
return UnexecutableCommand.INSTANCE;
}
SetRequest request = new SetRequest(element, feature, value);
return new SetValueCommand(request);
}
/**
* Validate new values.
*
* @param values
* the values
* @return the i parser edit status
* @generated
*/
protected IParserEditStatus validateNewValues(Object[] values) {
if(values.length != editableFeatures.length) {
return ParserEditStatus.UNEDITABLE_STATUS;
}
for(int i = 0; i < values.length; i++) {
Object value = getValidNewValue(editableFeatures[i], values[i]);
if(value instanceof InvalidValue) {
return new ParserEditStatus(UMLDiagramEditorPlugin.ID, IParserEditStatus.UNEDITABLE, value.toString());
}
}
return ParserEditStatus.EDITABLE_STATUS;
}
/**
* Gets the valid new value.
*
* @param feature
* the feature
* @param value
* the value
* @return the valid new value
* @generated
*/
protected Object getValidNewValue(EAttribute feature, Object value) {
EClassifier type = feature.getEType();
if(type instanceof EDataType) {
Class iClass = type.getInstanceClass();
if(Boolean.TYPE.equals(iClass)) {
if(value instanceof Boolean) {
// ok
} else if(value instanceof String) {
value = Boolean.valueOf((String)value);
} else {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_UnexpectedValueType, iClass.getName()));
}
} else if(Character.TYPE.equals(iClass)) {
if(value instanceof Character) {
// ok
} else if(value instanceof String) {
String s = (String)value;
if(s.length() == 0) {
value = null;
} else {
value = new Character(s.charAt(0));
}
} else {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_UnexpectedValueType, iClass.getName()));
}
} else if(Byte.TYPE.equals(iClass)) {
if(value instanceof Byte) {
// ok
} else if(value instanceof Number) {
value = new Byte(((Number)value).byteValue());
} else if(value instanceof String) {
String s = (String)value;
if(s.length() == 0) {
value = null;
} else {
try {
value = Byte.valueOf(s);
} catch (NumberFormatException nfe) {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_WrongStringConversion, iClass.getName()));
}
}
} else {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_UnexpectedValueType, iClass.getName()));
}
} else if(Short.TYPE.equals(iClass)) {
if(value instanceof Short) {
// ok
} else if(value instanceof Number) {
value = new Short(((Number)value).shortValue());
} else if(value instanceof String) {
String s = (String)value;
if(s.length() == 0) {
value = null;
} else {
try {
value = Short.valueOf(s);
} catch (NumberFormatException nfe) {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_WrongStringConversion, iClass.getName()));
}
}
} else {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_UnexpectedValueType, iClass.getName()));
}
} else if(Integer.TYPE.equals(iClass)) {
if(value instanceof Integer) {
// ok
} else if(value instanceof Number) {
value = new Integer(((Number)value).intValue());
} else if(value instanceof String) {
String s = (String)value;
if(s.length() == 0) {
value = null;
} else {
try {
value = Integer.valueOf(s);
} catch (NumberFormatException nfe) {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_WrongStringConversion, iClass.getName()));
}
}
} else {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_UnexpectedValueType, iClass.getName()));
}
} else if(Long.TYPE.equals(iClass)) {
if(value instanceof Long) {
// ok
} else if(value instanceof Number) {
value = new Long(((Number)value).longValue());
} else if(value instanceof String) {
String s = (String)value;
if(s.length() == 0) {
value = null;
} else {
try {
value = Long.valueOf(s);
} catch (NumberFormatException nfe) {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_WrongStringConversion, iClass.getName()));
}
}
} else {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_UnexpectedValueType, iClass.getName()));
}
} else if(Float.TYPE.equals(iClass)) {
if(value instanceof Float) {
// ok
} else if(value instanceof Number) {
value = new Float(((Number)value).floatValue());
} else if(value instanceof String) {
String s = (String)value;
if(s.length() == 0) {
value = null;
} else {
try {
value = Float.valueOf(s);
} catch (NumberFormatException nfe) {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_WrongStringConversion, iClass.getName()));
}
}
} else {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_UnexpectedValueType, iClass.getName()));
}
} else if(Double.TYPE.equals(iClass)) {
if(value instanceof Double) {
// ok
} else if(value instanceof Number) {
value = new Double(((Number)value).doubleValue());
} else if(value instanceof String) {
String s = (String)value;
if(s.length() == 0) {
value = null;
} else {
try {
value = Double.valueOf(s);
} catch (NumberFormatException nfe) {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_WrongStringConversion, iClass.getName()));
}
}
} else {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_UnexpectedValueType, iClass.getName()));
}
} else if(type instanceof EEnum) {
if(value instanceof String) {
EEnumLiteral literal = ((EEnum)type).getEEnumLiteralByLiteral((String)value);
if(literal == null) {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_UnknownLiteral, value));
} else {
value = literal.getInstance();
}
} else {
value = new InvalidValue(NLS.bind(Messages.AbstractParser_UnexpectedValueType, String.class.getName()));
}
}
}
return value;
}
/**
* The Class InvalidValue.
*
* @generated
*/
protected class InvalidValue {
/** The description. @generated */
private String description;
/**
* Instantiates a new invalid value.
*
* @param description
* the description
* @generated
*/
public InvalidValue(String description) {
this.description = description;
}
/**
* To string.
*
* @return the string
* @generated
*/
public String toString() {
return description;
}
}
}