/*******************************************************************************
* Copyright (c) 2012 VMware, Inc.
* 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:
* VMware, Inc. - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.quickfix.jdt.proposals;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.dom.AST;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.MethodDeclaration;
import org.eclipse.jdt.core.dom.SimpleName;
import org.eclipse.jdt.core.dom.SimpleType;
import org.eclipse.jdt.core.dom.SingleMemberAnnotation;
import org.eclipse.jdt.core.dom.SingleVariableDeclaration;
import org.eclipse.jdt.core.dom.StringLiteral;
import org.eclipse.jdt.core.dom.rewrite.ASTRewrite;
import org.eclipse.jdt.core.dom.rewrite.ITrackedNodePosition;
import org.eclipse.jdt.core.dom.rewrite.ImportRewrite;
import org.eclipse.jdt.core.dom.rewrite.ListRewrite;
import org.eclipse.jdt.internal.ui.text.correction.ASTResolving;
import org.springframework.ide.eclipse.quickfix.QuickfixImages;
import org.springframework.ide.eclipse.quickfix.jdt.util.ProposalCalculatorUtil;
import org.springframework.ide.eclipse.quickfix.jdt.util.UriTemplateVariable;
import org.springframework.web.bind.annotation.PathVariable;
/**
* @author Terry Denney
* @since 2.6
*/
public class AddPathVariableParameterCompletionProposal extends MarkerResolutionProposal {
private final UriTemplateVariable variable;
private final MethodDeclaration methodDecl;
public AddPathVariableParameterCompletionProposal(UriTemplateVariable variable, MethodDeclaration methodDecl,
ICompilationUnit cu) {
super(getDisplayName(variable), cu, QuickfixImages.getImage(QuickfixImages.ANNOTATION));
this.variable = variable;
this.methodDecl = methodDecl;
}
private static String getDisplayName(UriTemplateVariable variable) {
return "Create parameter " + variable.getVariableName();
}
@Override
protected ASTRewrite getRewrite() throws CoreException {
CompilationUnit astRoot = ASTResolving.findParentCompilationUnit(methodDecl);
ASTRewrite astRewrite = ASTRewrite.create(astRoot.getAST());
AST ast = astRewrite.getAST();
String importName = PathVariable.class.getCanonicalName();
if (!ProposalCalculatorUtil.containsImport(getCompilationUnit(), importName)) {
ImportRewrite importRewrite = createImportRewrite(astRoot);
importRewrite.addImport(importName);
}
addLinkedPosition(new ITrackedNodePosition() {
public int getStartPosition() {
return variable.getOffset();
}
public int getLength() {
return variable.getVariableName().length();
}
}, true, "variableName");
SingleVariableDeclaration paramDecl = ast.newSingleVariableDeclaration();
SimpleType variableType = ast.newSimpleType(ast.newSimpleName("String"));
paramDecl.setType(variableType);
addLinkedPosition(astRewrite.track(variableType), false, "variableType");
SimpleName variableName = ast.newSimpleName(variable.getVariableName());
paramDecl.setName(variableName);
addLinkedPosition(astRewrite.track(variableName), false, "variableName");
SingleMemberAnnotation annotation = ast.newSingleMemberAnnotation();
annotation.setTypeName(ast.newSimpleName("PathVariable"));
StringLiteral pathVariableName = ast.newStringLiteral();
pathVariableName.setLiteralValue(variable.getVariableName());
annotation.setValue(pathVariableName);
addLinkedPosition(new StringLiteralTrackedPosition(astRewrite.track(pathVariableName)), false, "variableName");
ListRewrite listRewrite = astRewrite.getListRewrite(paramDecl, SingleVariableDeclaration.MODIFIERS2_PROPERTY);
listRewrite.insertFirst(annotation, null);
listRewrite = astRewrite.getListRewrite(methodDecl, MethodDeclaration.PARAMETERS_PROPERTY);
listRewrite.insertLast(paramDecl, null);
return astRewrite;
}
}