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/*******************************************************************************
* Copyright (c) 2010, 2011 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.common.core.internal.resource.java.source;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Vector;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.IMethodBinding;
import org.eclipse.jdt.core.dom.ITypeBinding;
import org.eclipse.jpt.common.core.internal.utility.jdt.JDTMethodAttribute;
import org.eclipse.jpt.common.core.resource.java.JavaResourceCompilationUnit;
import org.eclipse.jpt.common.core.resource.java.JavaResourceMethod;
import org.eclipse.jpt.common.core.resource.java.JavaResourceType;
import org.eclipse.jpt.common.core.utility.jdt.MethodAttribute;
import org.eclipse.jpt.common.core.utility.jdt.Type;
import org.eclipse.jpt.common.utility.MethodSignature;
import org.eclipse.jpt.common.utility.internal.iterables.ListIterable;
import org.eclipse.jpt.common.utility.internal.iterables.LiveCloneListIterable;
/**
* Java source method
*/
final class SourceMethod
extends SourceAttribute<MethodAttribute>
implements JavaResourceMethod
{
boolean constructor;
private final Vector<String> parameterTypeNames = new Vector<String>();
/**
* construct method
*/
static JavaResourceMethod newInstance(
JavaResourceType parent,
Type declaringType,
MethodSignature signature,
int occurrence,
JavaResourceCompilationUnit javaResourceCompilationUnit,
CompilationUnit astRoot) {
MethodAttribute method = JDTMethodAttribute.newInstance(
declaringType,
signature,
occurrence,
javaResourceCompilationUnit.getCompilationUnit(),
javaResourceCompilationUnit.getModifySharedDocumentCommandExecutor(),
javaResourceCompilationUnit.getAnnotationEditFormatter());
JavaResourceMethod jrm = new SourceMethod(parent, method);
jrm.initialize(astRoot);
return jrm;
}
private SourceMethod(JavaResourceType parent, MethodAttribute method){
super(parent, method);
}
@Override
public void initialize(CompilationUnit astRoot) {
super.initialize(astRoot);
IMethodBinding binding = this.annotatedElement.getBinding(astRoot);
this.constructor = this.buildConstructor(binding);
this.parameterTypeNames.addAll(this.buildParameterTypeNames(binding));
}
// ******** overrides ********
@Override
protected JavaResourceType getParent() {
return (JavaResourceType) super.getParent();
}
@Override
public void resolveTypes(CompilationUnit astRoot) {
super.resolveTypes(astRoot);
}
@Override
public void synchronizeWith(CompilationUnit astRoot) {
super.synchronizeWith(astRoot);
IMethodBinding binding = this.annotatedElement.getBinding(astRoot);
this.syncConstructor(this.buildConstructor(binding));
this.syncParameterTypeNames(this.buildParameterTypeNames(binding));
}
@Override
public void toString(StringBuilder sb) {
sb.append(this.getMethodName());
}
// ******** JavaResourceMethod implementation ********
public String getMethodName() {
return this.annotatedElement.getName();
}
// ***** constructor
public boolean isConstructor() {
return this.constructor;
}
private void syncConstructor(boolean astConstructor) {
boolean old = this.constructor;
this.constructor = astConstructor;
this.firePropertyChanged(CONSTRUCTOR_PROPERTY, old, astConstructor);
}
private boolean buildConstructor(IMethodBinding methodBinding) {
return methodBinding == null ? false : methodBinding.isConstructor();
}
public boolean isFor(MethodSignature signature, int occurrence) {
return this.annotatedElement.matches(signature, occurrence);
}
// ***** parameter type names
public ListIterable<String> getParameterTypeNames() {
return new LiveCloneListIterable<String>(this.parameterTypeNames);
}
public int getParametersSize() {
return this.parameterTypeNames.size();
}
private void syncParameterTypeNames(List<String> astParameterTypeNames) {
this.synchronizeList(astParameterTypeNames, this.parameterTypeNames, PARAMETER_TYPE_NAMES_LIST);
}
private List<String> buildParameterTypeNames(IMethodBinding methodBinding) {
if (methodBinding == null) {
return Collections.emptyList();
}
ArrayList<String> names = new ArrayList<String>();
for (ITypeBinding parameterType : methodBinding.getParameterTypes()) {
if (parameterType.isTypeVariable()) {
// e.g. "E extends Number" has an erasure of "Number"
parameterType = parameterType.getErasure();
}
String ptName = parameterType.getTypeDeclaration().getQualifiedName();
names.add(ptName);
}
return names;
}
}
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