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/*******************************************************************************
* Copyright (c) 2005, 2007 committers of openArchitectureWare and others.
* 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:
* committers of openArchitectureWare - initial API and implementation
*******************************************************************************/
package org.eclipse.xtend.shared.ui.core.metamodel.jdt.javabean;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.internal.xtend.util.StringHelper;
import org.eclipse.jdt.core.Flags;
import org.eclipse.jdt.core.IField;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.ITypeHierarchy;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.xtend.shared.ui.core.metamodel.jdt.JdtTypeStrategy;
public class JdtJavaBeanTypeStrategy implements JdtTypeStrategy {
public JdtJavaBeanTypeStrategy (final IJavaProject project) {
super();
}
public IType[] getSuperTypes(final IType type) throws JavaModelException {
final ITypeHierarchy hier = type.newSupertypeHierarchy(new NullProgressMonitor());
final IType[] ifs = hier.getSuperInterfaces(type);
final IType st = hier.getSuperclass(type);
if (st == null)
return ifs;
final IType[] result = new IType[ifs.length + 1];
System.arraycopy(ifs, 0, result, 0, ifs.length);
result[ifs.length] = st;
return result;
}
public boolean isAssignable(final IType toAssigTo, final IType assignable) throws JavaModelException {
return assignable.newSupertypeHierarchy(new NullProgressMonitor()).contains(toAssigTo);
}
public boolean isGetter(final IMethod method) {
int flags;
try {
flags = method.getFlags();
} catch (final JavaModelException e) {
return false;
}
final String name = method.getElementName();
if (!Flags.isStatic(flags) && method.getParameterTypes().length == 0
&& (name.startsWith("get") || name.startsWith("is")))
return true;
return false;
}
public String getterToProperty(final String elementName) {
String propName = null;
if (elementName.startsWith("get")) {
propName = elementName.substring(3, elementName.length());
} else if (elementName.startsWith("is")) {
propName = elementName.substring(2, elementName.length());
} else {
return elementName;
}
if (propName.length()==1 || propName.matches("\\p{Upper}\\p{Lower}.*")) {
propName = StringHelper.firstLower(propName);
return propName;
} else if (propName.length()>1) {
return propName;
} else {
return elementName;
}
}
/**
* Constants are fields that are
* <ul>
* <li> Enumeration literals
* <li> Accessible fields in Interfaces
* <li> Class fields with modifier <tt>public final static</tt>
* </ul>
*/
public boolean isConstant(IField field) {
try {
if (field.isEnumConstant() || field.getDeclaringType().isInterface() || (Flags.isPublic(field.getFlags()) && Flags.isFinal(field.getFlags()) && Flags.isStatic(field.getFlags()))) {
return true;
}
} catch (JavaModelException e) {
return false;
}
return false;
}
/**
* Operations are
* <ul>
* <li>non-static methods
* <li>no Getter (property accessor) methods
* </ul>
*/
public boolean isOperation(final IMethod method) {
if (!isGetter(method)) {
try {
final int flags = method.getFlags();
if (!Flags.isStatic(flags)) {
return true;
}
} catch (final JavaModelException e) {
return false;
}
}
return false;
}
public String propertyName(final IMethod method) {
return getterToProperty(method.getElementName());
}
public String getPropertiesInnerType(final IMethod method) {
return null;
}
public String propertyName(IField field) {
return field.getElementName();
}
}
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