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/*******************************************************************************
* Copyright (c) 2005, 2007 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.core.internal.jdtutility;
import java.beans.Introspector;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.dom.BodyDeclaration;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.MethodDeclaration;
/**
* Adapt and extend a jdt method.
* Attribute based on a Java property, e.g.
* private int getFoo() {
* return foo;
* }
* private void setFoo(int foo) {
* this.foo = foo;
* }
*
* For now we only hold the getter method, since that's where the
* annotations are put.
*/
public class MethodAttribute extends Attribute {
public MethodAttribute(IMethod getMethod) {
super(getMethod);
}
public IMethod jdtMethod() {
return (IMethod) this.getJdtMember();
}
MethodDeclaration methodDeclaration() {
return (MethodDeclaration) this.bodyDeclaration();
}
MethodDeclaration methodDeclaration(CompilationUnit astRoot) {
return (MethodDeclaration) this.bodyDeclaration(astRoot);
}
// ********** Member implementation **********
@Override
public BodyDeclaration bodyDeclaration(CompilationUnit astRoot) {
String methodName = this.getName();
for (MethodDeclaration methodDeclaration : this.declaringTypeDeclaration(astRoot).getMethods()) {
if (methodDeclaration.getName().getFullyQualifiedName().equals(methodName)
&& (methodDeclaration.parameters().size() == 0)) {
return methodDeclaration;
}
}
return null;
}
// ********** Attribute implementation **********
@Override
public boolean isMethod() {
return true;
}
/**
* "foo" returned for a method named "getFoo" or "isFoo"
*/
@Override
public String attributeName() {
String methodName = super.getName();
int beginIndex = 0;
if (methodName.startsWith("get")) {
beginIndex = 3;
} else if (methodName.startsWith("is")) {
beginIndex = 2;
}
return Introspector.decapitalize(methodName.substring(beginIndex));
}
@Override
public String typeSignature() {
try {
return this.jdtMethod().getReturnType();
} catch (JavaModelException ex) {
throw new RuntimeException(ex);
}
}
}
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