/*******************************************************************************
* Copyright (c) 2007 Conselleria de Infraestructuras y Transporte, Generalitat
* de la Comunitat Valenciana . 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
*
* Code of the org.eclipse.datatools project has been used in this file. The
* original Copyright and license terms are applicable.
*
* Contributors: Francisco Javier Cano Muñoz (Prodevelop) – Initial API
* implementation.
*
******************************************************************************/
package org.eclipse.papyrus.uml.diagram.common.parser.structural;
import java.text.MessageFormat;
import java.text.ParsePosition;
import org.eclipse.core.runtime.IAdaptable;
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.ecore.EStructuralFeature;
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.type.core.commands.SetValueCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
// TODO: Auto-generated Javadoc
/**
* The Class UMLAbstractParser.
*
* @generated
*/
public abstract class UMLAbstractParser implements IParser {
/** The Constant ID. */
public static final String ID = "org.eclipse.papyrus.uml.diagram.common.parser.structural";
/** The view pattern. */
private String viewPattern;
/** The view processor. */
private MessageFormat viewProcessor;
/** The edit pattern. */
private String editPattern;
/** The edit processor. */
private MessageFormat editProcessor;
/**
* Gets the view pattern.
*
* @return the view pattern
*
* @generated
*/
public String getViewPattern() {
return viewPattern;
}
/**
* Gets the view processor.
*
* @return the view processor
*
* @generated
*/
protected MessageFormat getViewProcessor() {
return viewProcessor;
}
/**
* Sets the view pattern.
*
* @param viewPattern
* the view pattern
*
* @generated
*/
// @unused
public void setViewPattern(String viewPattern) {
this.viewPattern = viewPattern;
viewProcessor = createViewProcessor(viewPattern);
}
/**
* Creates the view processor.
*
* @param viewPattern
* the view pattern
*
* @return the message format
*
* @generated
*/
protected MessageFormat createViewProcessor(String viewPattern) {
return new MessageFormat(viewPattern);
}
/**
* Gets the edit pattern.
*
* @return the edits the pattern
*
* @generated
*/
public String getEditPattern() {
return editPattern;
}
/**
* Gets the edit processor.
*
* @return the edits the processor
*
* @generated
*/
protected MessageFormat getEditProcessor() {
return editProcessor;
}
/**
* Sets the edit pattern.
*
* @param editPattern
* the edit pattern
*
* @generated
*/
// @unused
public void setEditPattern(String editPattern) {
this.editPattern = editPattern;
editProcessor = createEditProcessor(editPattern);
}
/**
* Creates the edit processor.
*
* @param editPattern
* the edit pattern
*
* @return the message format
*
* @generated
*/
protected MessageFormat createEditProcessor(String editPattern) {
return new MessageFormat(editPattern);
}
/**
* Gets the print string.
*
* @param adapter
* the adapter
* @param flags
* the flags
*
* @return the prints the string
*
* @generated
*/
public String getPrintString(IAdaptable adapter, int flags) {
return getStringByPattern(adapter, flags, getViewPattern(), getViewProcessor());
}
/**
* Gets the edit string.
*
* @param adapter
* the adapter
* @param flags
* the flags
*
* @return the edits the string
*
* @generated
*/
public String getEditString(IAdaptable adapter, int flags) {
return getStringByPattern(adapter, flags, getEditPattern(), getEditProcessor());
}
/**
* Gets the string by pattern.
*
* @param adapter
* the adapter
* @param flags
* the flags
* @param pattern
* the pattern
* @param processor
* the processor
*
* @return the string by pattern
*
* @generated
*/
protected abstract String getStringByPattern(IAdaptable adapter, int flags, String pattern, MessageFormat processor);
/**
* Checks if is valid edit string.
*
* @param element
* the element
* @param editString
* the edit string
*
* @return the i parser edit status
*
* @generated
*/
public IParserEditStatus isValidEditString(IAdaptable element, String editString) {
ParsePosition pos = new ParsePosition(0);
Object[] values = getEditProcessor().parse(editString, pos);
if(values == null) {
return new ParserEditStatus(ID, IParserEditStatus.UNEDITABLE, "Invalid input at " + pos.getErrorIndex());
}
return validateNewValues(values);
}
/**
* Validate new values.
*
* @param values
* the values
*
* @return the i parser edit status
*
* @generated
*/
protected IParserEditStatus validateNewValues(Object[] values) {
return ParserEditStatus.EDITABLE_STATUS;
}
/**
* Gets the parse command.
*
* @param adapter
* the adapter
* @param newString
* the new string
* @param flags
* the flags
*
* @return the parses the command
*
* @generated
*/
public ICommand getParseCommand(IAdaptable adapter, String newString, int flags) {
Object[] values = getEditProcessor().parse(newString, new ParsePosition(0));
if(values == null || validateNewValues(values).getCode() != IParserEditStatus.EDITABLE) {
return UnexecutableCommand.INSTANCE;
}
return getParseCommand(adapter, values);
}
/**
* Gets the parse command.
*
* @param adapter
* the adapter
* @param values
* the values
*
* @return the parses the command
*
* @generated
*/
protected abstract ICommand getParseCommand(IAdaptable adapter, Object[] values);
/**
* Gets the completion processor.
*
* @param element
* the element
*
* @return the completion processor
*
* @generated
*/
public IContentAssistProcessor getCompletionProcessor(IAdaptable element) {
return null;
}
/**
* 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, EStructuralFeature 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);
}
/**
* Gets the valid value.
*
* @param feature
* the feature
* @param value
* the value
*
* @return the valid value
*
* @generated
*/
protected Object getValidValue(EStructuralFeature feature, Object value) {
EClassifier type = feature.getEType();
if(type instanceof EDataType) {
Class iClass = type.getInstanceClass();
if(String.class.equals(iClass)) {
if(value == null) {
value = ""; //$NON-NLS-1$
}
}
}
return value;
}
/**
* Gets the valid new value.
*
* @param feature
* the feature
* @param value
* the value
*
* @return the valid new value
*
* @generated
*/
protected Object getValidNewValue(EStructuralFeature 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("Value of type Boolean is expected");
}
} 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("Value of type Character is expected");
}
} 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("String value does not convert to Byte value");
}
}
} else {
value = new InvalidValue("Value of type Byte is expected");
}
} 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("String value does not convert to Short value");
}
}
} else {
value = new InvalidValue("Value of type Short is expected");
}
} 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("String value does not convert to Integer value");
}
}
} else {
value = new InvalidValue("Value of type Integer is expected");
}
} 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("String value does not convert to Long value");
}
}
} else {
value = new InvalidValue("Value of type Long is expected");
}
} 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("String value does not convert to Float value");
}
}
} else {
value = new InvalidValue("Value of type Float is expected");
}
} 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("String value does not convert to Double value");
}
}
} else {
value = new InvalidValue("Value of type Double is expected");
}
} else if(type instanceof EEnum) {
if(value instanceof String) {
EEnumLiteral literal = ((EEnum)type).getEEnumLiteralByLiteral((String)value);
if(literal == null) {
value = new InvalidValue("Unknown literal: " + value);
} else {
value = literal.getInstance();
}
} else {
value = new InvalidValue("Value of type String is expected");
}
}
}
return value;
}
/**
* The Class InvalidValue.
*
* @generated
*/
protected class InvalidValue {
/** The description. */
private final String description;
/**
* The Constructor.
*
* @param description
* the description
*
* @generated
*/
public InvalidValue(String description) {
this.description = description;
}
/**
* To string.
*
* @return the string
*
* @generated
*/
@Override
public String toString() {
return description;
}
}
}