/*******************************************************************************
* 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 java.util.List;
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.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.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 AddPathVariableCompletionProposal extends MarkerResolutionProposal {
private final MethodDeclaration methodDecl;
private final SingleVariableDeclaration param;
private final UriTemplateVariable variable;
public AddPathVariableCompletionProposal(UriTemplateVariable variable, SingleVariableDeclaration param,
MethodDeclaration methodDecl, ICompilationUnit cu, boolean atTypeDecl) {
super(getDisplayName(variable, param, methodDecl, atTypeDecl), cu, QuickfixImages
.getImage(QuickfixImages.ANNOTATION));
this.variable = variable;
this.param = param;
this.methodDecl = methodDecl;
}
@SuppressWarnings("unchecked")
private static String getDisplayName(UriTemplateVariable variable, SingleVariableDeclaration param,
MethodDeclaration methodDecl, boolean atTypeDecl) {
StringBuilder result = new StringBuilder();
result.append("Add @PathVariable(\"");
result.append(variable.getVariableName());
result.append("\") to ");
result.append(param.getName().getFullyQualifiedName());
if (atTypeDecl) {
result.append(" to method ");
result.append(methodDecl.getName().getFullyQualifiedName());
result.append("(");
List<SingleVariableDeclaration> params = methodDecl.parameters();
for (SingleVariableDeclaration p : params) {
result.append(ProposalCalculatorUtil.getTypeName(p.getType()));
}
result.append(")");
}
return result.toString();
}
@Override
protected ASTRewrite getRewrite() throws CoreException {
CompilationUnit astRoot = ASTResolving.findParentCompilationUnit(methodDecl);
final 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);
}
SingleMemberAnnotation annotation = ast.newSingleMemberAnnotation();
annotation.setTypeName(ast.newSimpleName("PathVariable"));
StringLiteral pathVariableName = ast.newStringLiteral();
pathVariableName.setLiteralValue(variable.getVariableName());
annotation.setValue(pathVariableName);
astRewrite.getListRewrite(param, SingleVariableDeclaration.MODIFIERS2_PROPERTY).insertFirst(annotation, null);
final ITrackedNodePosition literalPosition = astRewrite.track(variable.getNode());
addLinkedPosition(new ITrackedNodePosition() {
public int getStartPosition() {
return literalPosition.getStartPosition() + variable.getOffsetFromNode();
}
public int getLength() {
return variable.getVariableName().length();
}
}, true, "PathVariable");
addLinkedPosition(new StringLiteralTrackedPosition(astRewrite.track(pathVariableName)), false, "PathVariable");
return astRewrite;
}
}