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/**
* Copyright (c) 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v20.html
*
* Contributors:
* IBM - Initial API and implementation
*/
package org.eclipse.emf.codegen.merge.java.facade.ast;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.BodyDeclaration;
import org.eclipse.jdt.core.dom.IExtendedModifier;
import org.eclipse.jdt.core.dom.Modifier;
import org.eclipse.jdt.core.dom.rewrite.ListRewrite;
import org.eclipse.emf.codegen.merge.java.facade.JMember;
import org.eclipse.emf.codegen.merge.java.facade.JNode;
/**
* Each <code>ASTJMember</code> has a reference to {@link BodyDeclaration} as a wrapped object.
*
* @param <T> wrapped body declaration type
*
* @since 2.2.0
*/
public abstract class ASTJMember<T extends BodyDeclaration> extends ASTJNode<T> implements JMember
{
/**
* Cached value of member comment.
* @see #getComment()
* @see #setComment(String)
*/
protected String comment = UNITIALIZED_STRING;
/**
* @param bodyDeclaration
*/
public ASTJMember(T bodyDeclaration)
{
super(bodyDeclaration);
}
@Override
public void dispose()
{
comment = null;
super.dispose();
}
/**
* Returns original flags of the member.
*
* @see org.eclipse.emf.codegen.merge.java.facade.AbstractJNode#getFlags()
*/
@Override
public int getFlags()
{
return getASTNode().getModifiers();
}
/**
* Sets the flags of the member.
* <p>
* Note that <code>getFlags()</code> will not return the new value.
*
* @see org.eclipse.emf.codegen.merge.java.facade.ast.ASTJNode#setFlags(int)
*/
@Override
public void setFlags(int flags)
{
BodyDeclaration bodyDeclaration = getASTNode();
ListRewrite listRewrite = rewriter.getListRewrite(bodyDeclaration, bodyDeclaration.getModifiersProperty());
// remove all existing modifiers
@SuppressWarnings("unchecked")
List<IExtendedModifier> existingModifiers = listRewrite.getRewrittenList();
for (IExtendedModifier modifier : existingModifiers)
{
if (modifier.isModifier())
{
listRewrite.remove((ASTNode)modifier, null);
}
}
// create new modifiers and add to rewrite
@SuppressWarnings("unchecked")
List<Modifier> newModifiers = bodyDeclaration.getAST().newModifiers(flags);
for (Modifier modifier : newModifiers)
{
listRewrite.insertLast(modifier, null);
}
}
public String getComment()
{
if (comment == UNITIALIZED_STRING)
{
comment = getFacadeHelper().toString(getASTNode().getJavadoc());
}
return comment;
}
public void setComment(String comment)
{
this.comment = comment;
setTrackedNodeProperty(getASTNode(), comment, getASTNode().getJavadocProperty(), ASTNode.JAVADOC);
}
/* (non-Javadoc)
* @see org.eclipse.emf.codegen.merge.java.facade.ast.ASTJNode#remove(org.eclipse.emf.codegen.merge.java.facade.ast.ASTJNode)
*/
@Override
public boolean remove(ASTJNode<?> node)
{
if (node.getParent() != this)
{
return false;
}
if (node instanceof ASTJAnnotation)
{
remove(node, getASTNode().getModifiersProperty());
return true;
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.emf.codegen.merge.java.facade.ast.ASTJNode#insertSibling(org.eclipse.emf.codegen.merge.java.facade.ast.ASTJNode, org.eclipse.emf.codegen.merge.java.facade.ast.ASTJNode, boolean)
*/
@Override
public boolean insertSibling(ASTJNode<?> node, ASTJNode<?> newSibling, boolean before)
{
if (newSibling.getParent() != null || node.getParent() != this)
{
return false;
}
if (newSibling instanceof ASTJAnnotation)
{
if (node instanceof ASTJAnnotation)
{
insert(newSibling, getASTNode().getModifiersProperty(), node, before);
}
else
{
insertLastAnnotation((ASTJAnnotation)newSibling);
}
return true;
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.emf.codegen.merge.java.facade.ast.ASTJNode#addChild(org.eclipse.emf.codegen.merge.java.facade.ast.ASTJNode)
*/
@Override
public boolean addChild(ASTJNode<?> child)
{
if (child.getParent() != null)
{
return false;
}
if (child instanceof ASTJAnnotation)
{
insertLastAnnotation((ASTJAnnotation)child);
return true;
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.emf.codegen.merge.java.facade.AbstractJNode#getChildren()
*/
@Override
public List<JNode> getChildren()
{
if (!isDisposed())
{
List<JNode> children = new ArrayList<JNode>();
children.addAll(getAnnotationList());
if (!children.isEmpty())
{
return Collections.unmodifiableList(children);
}
}
return Collections.emptyList();
}
protected List<JNode> getAnnotationList()
{
List<JNode> annotations = new ArrayList<JNode>();
ListRewrite listRewrite = rewriter.getListRewrite(getASTNode(), getASTNode().getModifiersProperty());
@SuppressWarnings("unchecked")
List<IExtendedModifier> modifiers = listRewrite.getRewrittenList();
for (IExtendedModifier extendedModifier : modifiers)
{
if (extendedModifier.isAnnotation())
{
JNode annotation = getFacadeHelper().convertToNode(extendedModifier);
// specify the exact parent of annotations
((ASTJNode<?>)annotation).setParent(this);
annotations.add(annotation);
}
}
return annotations;
}
/**
* Insert annotation after the last annotation of the given body declaration.
* <p>
* Note that modifiers and annotations can alternate in the modifiers list.
* This method inserts the new annotation after the last existing annotation.
*
* @param annotation
*/
protected void insertLastAnnotation(ASTJAnnotation annotation)
{
List<JNode> annotations = getAnnotationList();
if (annotations.size() > 0)
{
ASTJNode<?> lastAnnotation = (ASTJNode<?>)annotations.get(annotations.size() - 1);
insert(annotation, getASTNode().getModifiersProperty(), lastAnnotation, false);
}
else
{
insertFirst(annotation, getASTNode().getModifiersProperty());
}
}
}
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