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/*******************************************************************************
* <copyright>
*
* Copyright (c) 2012 SAP AG 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:
* Petya Sabeva - initial API, implementation and documentation
*
* </copyright>
*
*******************************************************************************/
package org.eclipse.jpt.jpadiagrameditor.ui.internal.command;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jpt.common.core.resource.java.JavaResourceType;
import org.eclipse.jpt.common.utility.command.Command;
import org.eclipse.jpt.jpa.core.context.PersistentType;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.JPADiagramEditorPlugin;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.propertypage.JPADiagramPropertyPage;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.provider.IJPAEditorFeatureProvider;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorConstants;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JPAEditorUtil;
import org.eclipse.jpt.jpadiagrameditor.ui.internal.util.JpaArtifactFactory;
/**
* A new {@link Command} class that is called to create a new attribute in the
* selected persistent type.
*
* @author i045693
*
*/
public class AddAttributeCommand implements Command {
private IJPAEditorFeatureProvider fp;
private PersistentType jpt;
private String attributeType;
private String mapKeyType;
private String attributeName;
private String actName;
private String[] attrTypes;
private List<String> annotations;
private boolean isCollection;
private ICompilationUnit cu;
/**
* Constructor for the create new attribute command.
*
* @param fp
* @param jpt
* @param attributeType
* @param mapKeyType
* @param attributeName
* @param actName
* @param isCollection
* @param cu
*/
public AddAttributeCommand(IJPAEditorFeatureProvider fp,
PersistentType jpt, String attributeType, String mapKeyType,
String attributeName, String actName, String[] attrTypes,
List<String> annotations,
boolean isCollection, ICompilationUnit cu) {
super();
this.fp = fp;
this.jpt = jpt;
this.attributeType = attributeType;
this.mapKeyType = mapKeyType;
this.attributeName = attributeName;
this.actName = actName;
this.attrTypes = attrTypes;
this.annotations = annotations;
this.isCollection = isCollection;
this.cu = cu;
}
/**
* Creates a new attribute.
*/
public void execute() {
IType type = null;
try {
// if(jpt != null){
// cu = JPAEditorUtil.getCompilationUnit(jpt);
// }
JPAEditorUtil.createImport(cu, attributeType);
attributeType = JPAEditorUtil.returnSimpleName(attributeType);
type = cu.findPrimaryType();
if ((attrTypes != null) && (attrTypes.length > 0)) {
JPAEditorUtil.createImports(cu, attrTypes);
}
String contents = ""; //$NON-NLS-1$
if (annotations != null) {
Iterator<String> it = annotations.iterator();
while (it.hasNext()) {
String an = it.next();
contents += " " + an + "\n"; //$NON-NLS-1$ //$NON-NLS-2$
}
}
createAttribute(fp, jpt, attributeType, mapKeyType, attributeName,
actName, cu, type, isCollection, attrTypes, contents);
if(jpt != null) {
jpt.getJpaProject().getContextModelRoot().synchronizeWithResourceModel();
JavaResourceType jrt = jpt.getJavaResourceType();
jrt.getJavaResourceCompilationUnit().synchronizeWithJavaSource();
jpt.update();
}
} catch (JavaModelException e) {
JPADiagramEditorPlugin
.logError(
"Cannnot create a new attribute with name " + attributeName, e); //$NON-NLS-1$
}
}
/**
* Creates an attribute the persistent type.
*
* @param fp
* @param jpt
* @param attrTypeName
* @param mapKeyType
* @param attrName
* @param actName
* @param cu
* @param type
* @param isCollection
* @throws JavaModelException
*/
private void createAttribute(IJPAEditorFeatureProvider fp,
PersistentType jpt, String attrTypeName, String mapKeyType,
String attrName, String actName, ICompilationUnit cu, IType type,
boolean isCollection, String[] attrTypeElementNames, String annotationContents) throws JavaModelException {
if (isCollection) {
createAttributeOfCollectiontype(fp, jpt, attrTypeName,
mapKeyType, attrName, actName, cu, type);
} else {
createSimpleAttribute(attrTypeName, attrName, actName,
isCollection, type, attrTypeElementNames, annotationContents);
}
}
/**
* Creates a new attribute of a basic type.
*
* @param attributeType
* @param attributeName
* @param actName
* @param isCollection
* @param type
* @throws JavaModelException
*/
private void createSimpleAttribute(String attributeType,
String attributeName, String actName, boolean isCollection,
IType type, String[] attrTypeElementNames, String annotationContents) throws JavaModelException {
String attrFieldContent = " private " + attributeType + //$NON-NLS-1$
((attrTypes == null) ? "" : ("<" + JPAEditorUtil.createCommaSeparatedListOfSimpleTypeNames(attrTypes) + ">")) + //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
" " + JPAEditorUtil.decapitalizeFirstLetter(actName) + ";"; //$NON-NLS-1$ //$NON-NLS-2$
String contents = ""; //$NON-NLS-1$
if(jpt!= null && !JpaArtifactFactory.instance().isMethodAnnotated(jpt)){
contents = annotationContents + attrFieldContent;
} else {
contents = attrFieldContent;
}
type.createField(contents, null, false, new NullProgressMonitor());
type.createMethod(
genGetterContents(attributeName, attributeType, actName, attrTypeElementNames, annotationContents), null,
false, new NullProgressMonitor());
type.createMethod(
genSetterContents(attributeName, attributeType, actName, attrTypeElementNames), null,
false, new NullProgressMonitor());
}
/**
* Creates a new attribute of a collection type, depending on the specified
* collection type in the Preference/Properties page.
*
* @param fp
* @param jpt
* @param attributeType
* @param mapKeyType
* @param attributeName
* @param actName
* @param cu
* @param type
* @throws JavaModelException
*/
private void createAttributeOfCollectiontype(IJPAEditorFeatureProvider fp,
PersistentType jpt, String attributeType, String mapKeyType,
String attributeName, String actName, ICompilationUnit cu,
IType type) throws JavaModelException {
IProject project = jpt.getJpaProject().getProject();
Properties props = fp.loadProperties(project);
if (JPADiagramPropertyPage.isCollectionType(project, props)) {
createAttributeByCollectionMethodType(attributeType, null,
attributeName, actName, cu, type,
JPAEditorConstants.COLLECTION_TYPE);
} else if (JPADiagramPropertyPage.isListType(project, props)) {
createAttributeByCollectionMethodType(attributeType, null,
attributeName, actName, cu, type,
JPAEditorConstants.LIST_TYPE);
} else if (JPADiagramPropertyPage.isSetType(project, props)) {
createAttributeByCollectionMethodType(attributeType, null,
attributeName, actName, cu, type,
JPAEditorConstants.SET_TYPE);
} else {
createAttributeByCollectionMethodType(attributeType, mapKeyType,
attributeName, actName, cu, type,
JPAEditorConstants.MAP_TYPE);
}
}
/**
* Create attribute by the specified collection type in the
* Preference/Properties page.
*
* @param attributeType
* @param mapKeyType
* @param attributeName
* @param actName
* @param cu
* @param type
* @param collectionType
* @throws JavaModelException
*/
private void createAttributeByCollectionMethodType(String attributeType,
String mapKeyType, String attributeName, String actName,
ICompilationUnit cu, IType type, String collectionType)
throws JavaModelException {
mapKeyType = createContentType(mapKeyType, attributeType, actName, cu,
type, collectionType);
type.createMethod(
genGetterWithAppropriateType(attributeName, mapKeyType,
attributeType, actName, collectionType), null, false,
new NullProgressMonitor());
type.createMethod(
genSetterWithAppropriateType(attributeName, mapKeyType,
attributeType, actName, collectionType), null, false,
new NullProgressMonitor());
}
/**
* Create field in the entity by the specified collection type.
*
* @param mapKeyType
* @param attributeType
* @param actName
* @param cu
* @param type
* @param collectionType
* @return string representation of the field's collection type.
* @throws JavaModelException
*/
private String createContentType(String mapKeyType, String attributeType,
String actName, ICompilationUnit cu, IType type,
String collectionType) throws JavaModelException {
if (mapKeyType != null) {
mapKeyType = JPAEditorUtil.createImport(cu, mapKeyType);
}
JPAEditorUtil.createImport(cu, collectionType);
type.createField(
" private " + JPAEditorUtil.returnSimpleName(collectionType) + "<" + //$NON-NLS-1$ //$NON-NLS-2$
((mapKeyType != null) ? (mapKeyType + ", ") : "") + //$NON-NLS-1$ //$NON-NLS-2$
attributeType
+ "> " + JPAEditorUtil.decapitalizeFirstLetter(actName) + //$NON-NLS-1$
";", null, false, new NullProgressMonitor()); //$NON-NLS-1$
return mapKeyType;
}
/**
* Create the attribute's getter method in entity's compilation unit with
* the appropriate collection type, selected in the Preference/Properties
* page.
*
* @param attrName
* - the name of the attribute
* @param attrType
* - the type of the attribute
* @param attrTypeElementNames
* @param actName
* @param isCollection
* @return the string representation of the attribute's getter method.
*/
private String genGetterWithAppropriateType(String attrName,
String mapKeyType, String attrType, String actName, String type) {
String attrNameWithCapitalA = actName.substring(0, 1).toUpperCase(
Locale.ENGLISH)
+ actName.substring(1);
String contents = " public " + JPAEditorUtil.returnSimpleName(type) + //$NON-NLS-1$
"<" //$NON-NLS-1$
+ ((mapKeyType != null) ? (mapKeyType + ", ") : "") + attrType + "> " + //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
"get" + attrNameWithCapitalA + "() {\n" + //$NON-NLS-1$ //$NON-NLS-2$
" return " //$NON-NLS-1$
+ JPAEditorUtil.decapitalizeFirstLetter(actName) + ";\n" + //$NON-NLS-1$
" }\n"; //$NON-NLS-1$
return contents;
}
/**
* Create the attribute's setter method in entity's compilation unit with
* the appropriate collection type, selected in the Preference/Properties
* page.
*
* @param attrName
* - the name of the attribute
* @param attrType
* - the type of the attribute
* @param attrTypeElementNames
* @param actName
* @param isCollection
* @return the string representation of the attribute's setter method.
*/
private String genSetterWithAppropriateType(String attrName,
String mapKeyType, String attrType, String actName, String type) {
String attrNameWithCapitalA = actName.substring(0, 1).toUpperCase(
Locale.ENGLISH)
+ actName.substring(1);
String contents = " public void set" + attrNameWithCapitalA + //$NON-NLS-1$
"(" //$NON-NLS-1$
+ JPAEditorUtil.returnSimpleName(type)
+
"<" //$NON-NLS-1$
+ ((mapKeyType != null) ? (mapKeyType + ", ") : "") + attrType + "> param) " + //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
"{\n" //$NON-NLS-1$
+
" this." //$NON-NLS-1$
+ JPAEditorUtil.decapitalizeFirstLetter(actName)
+ " = param;\n" + //$NON-NLS-1$
" }\n"; //$NON-NLS-1$
return contents;
}
/**
* Create the attribute's getter method in entity's compilation unit.
*
* @param attrName
* - the name of the attribute
* @param attrType
* - the type of the attribute
* @param actName
* @param annotationContents - the annotations as string representation
* @return the string representation of the attribute's getter method.
*/
private String genGetterContents(String attrName, String attrType,
String actName, String[] attrTypeElementNames, String annotationContents) {
String attrNameWithCapitalA = actName.substring(0, 1).toUpperCase(
Locale.ENGLISH)
+ actName.substring(1);
String contents = ""; //$NON-NLS-1$
if(jpt != null && JpaArtifactFactory.instance().isMethodAnnotated(jpt)){
contents += annotationContents;
}
contents += " public " + attrType + //$NON-NLS-1$
((attrTypeElementNames == null) ? "" : ("<" + JPAEditorUtil.createCommaSeparatedListOfSimpleTypeNames(attrTypeElementNames) + ">")) + //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
(attrType.equals("boolean") ? " is" : " get") + attrNameWithCapitalA + "() {\n" + //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
" return " //$NON-NLS-1$
+ JPAEditorUtil.decapitalizeFirstLetter(actName) + ";\n" + //$NON-NLS-1$
" }\n"; //$NON-NLS-1$
return contents;
}
/**
* Create the attribute's setter method in entity's compilation unit.
*
* @param attrName
* - the name of the attribute
* @param attrType
* - the type of the attribute
* @return the string representation of the attribute's setter method.
*/
private String genSetterContents(String attrName, String attrType,
String actName, String[] attrTypeElementNames) {
String attrNameWithCapitalA = actName.substring(0, 1).toUpperCase(
Locale.ENGLISH) + actName.substring(1);
String contents = " public void set" + attrNameWithCapitalA + "(" + attrType + //$NON-NLS-1$ //$NON-NLS-2$
((attrTypeElementNames == null) ? "" : ("<" + JPAEditorUtil.createCommaSeparatedListOfSimpleTypeNames(attrTypeElementNames) + ">")) + //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
" param) {\n" //$NON-NLS-1$
+ " this." //$NON-NLS-1$
+ JPAEditorUtil.decapitalizeFirstLetter(actName)
+ " = param;\n" + //$NON-NLS-1$
" }\n"; //$NON-NLS-1$
return contents;
}
}
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