/*******************************************************************************
* Copyright (c) 2010 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.cdi.ui.marker;
import java.text.MessageFormat;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jdt.core.Flags;
import org.eclipse.jdt.core.IBuffer;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.Signature;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.IContextInformation;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.jboss.tools.cdi.core.CDIImages;
import org.jboss.tools.cdi.internal.core.refactoring.CDIMarkerResolutionUtils;
import org.jboss.tools.cdi.ui.CDIUIMessages;
import org.jboss.tools.cdi.ui.CDIUIPlugin;
import org.jboss.tools.common.EclipseUtil;
import org.jboss.tools.common.model.util.EclipseJavaUtil;
import org.jboss.tools.common.quickfix.IQuickFix;
/**
* @author Daniel Azarov
*/
public class MakeMethodBusinessMarkerResolution implements IQuickFix {
private static final String PUBLIC = "public"; //$NON-NLS-1$
private static final String PRIVATE = "private"; //$NON-NLS-1$
private static final String PROTECTED = "protected"; //$NON-NLS-1$
private static final String SPACE = " "; //$NON-NLS-1$
private String label;
private IMethod method;
private IType localInterface;
private IFile file;
public MakeMethodBusinessMarkerResolution(IMethod method, IType localInterface){
this.label = MessageFormat.format(CDIUIMessages.MAKE_METHOD_BUSINESS_MARKER_RESOLUTION_TITLE, new Object[]{method.getElementName(), localInterface.getElementName()});
this.method = method;
this.localInterface = localInterface;
try {
this.file = (IFile) method.getUnderlyingResource();
} catch (JavaModelException e) {
CDIUIPlugin.getDefault().logError(e);
}
}
@Override
public String getLabel() {
return label;
}
@Override
public void run(IMarker marker) {
internal_run();
}
private void internal_run() {
try{
ICompilationUnit original = EclipseUtil.getCompilationUnit(file);
if(original == null) {
return;
}
ICompilationUnit compilationUnit = original.getWorkingCopy(new NullProgressMonitor());
IBuffer buffer = compilationUnit.getBuffer();
int flag = method.getFlags();
String text = buffer.getText(method.getSourceRange().getOffset(), method.getSourceRange().getLength());
// make method public
int position = method.getSourceRange().getOffset();
if(!Flags.isPublic(flag)){
if(Flags.isPrivate(flag)){
position += text.indexOf(PRIVATE);
buffer.replace(position, PRIVATE.length(), PUBLIC);
}else if(Flags.isProtected(flag)){
position += text.indexOf(PROTECTED);
buffer.replace(position, PROTECTED.length(), PUBLIC);
}else{
String type = Signature.getSignatureSimpleName(method.getReturnType());
position += text.indexOf(type);
buffer.replace(position, 0, PUBLIC+SPACE);
}
}
compilationUnit.commitWorkingCopy(false, new NullProgressMonitor());
compilationUnit.discardWorkingCopy();
// add method to interface
original = localInterface.getCompilationUnit();
compilationUnit = original.getWorkingCopy(new NullProgressMonitor());
IType interfaceType = compilationUnit.getType(localInterface.getElementName());
StringBuffer content = new StringBuffer();
content.append(PUBLIC+SPACE);
String simpleType = Signature.getSignatureSimpleName(method.getReturnType());
content.append(simpleType);
content.append(SPACE);
content.append(method.getElementName());
content.append("("); //$NON-NLS-1$
IType originalType = method.getDeclaringType();
addImport(originalType, simpleType, compilationUnit);
String[] types = method.getParameterTypes();
String[] names = method.getParameterNames();
for(int i = 0; i < method.getNumberOfParameters(); i++){
if(i > 0)
content.append(", "); //$NON-NLS-1$
simpleType = Signature.getSignatureSimpleName(types[i]);
addImport(originalType, simpleType, compilationUnit);
content.append(simpleType);
content.append(SPACE);
content.append(names[i]);
}
content.append(");"); //$NON-NLS-1$
interfaceType.createMethod(content.toString(), null, false, new NullProgressMonitor());
compilationUnit.commitWorkingCopy(false, new NullProgressMonitor());
compilationUnit.discardWorkingCopy();
}catch(CoreException ex){
CDIUIPlugin.getDefault().logError(ex);
}
}
private void addImport(IType originalType, String simpleName, ICompilationUnit compilationUnit) throws JavaModelException{
String qualifiedName = EclipseJavaUtil.resolveType(originalType, simpleName);
CDIMarkerResolutionUtils.addImport(qualifiedName, compilationUnit);
}
@Override
public String getDescription() {
return label;
}
@Override
public Image getImage() {
return CDIImages.getImage(CDIImages.QUICKFIX_ADD);
}
@Override
public int getRelevance() {
return 100;
}
@Override
public void apply(IDocument document) {
internal_run();
}
@Override
public Point getSelection(IDocument document) {
return null;
}
@Override
public String getAdditionalProposalInfo() {
return label;
}
@Override
public String getDisplayString() {
return label;
}
@Override
public IContextInformation getContextInformation() {
return null;
}
}