/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.codemodel.internal;
import java.util.ArrayList;
import java.util.List;
/**
* Implementation of {@link JGenerifiable}.
*
* @author
* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
*/
abstract class JGenerifiableImpl implements JGenerifiable, JDeclaration {
/** Lazily created list of {@link JTypeVar}s. */
private List<JTypeVar> typeVariables = null;
protected abstract JCodeModel owner();
public void declare( JFormatter f ) {
if(typeVariables!=null) {
f.p('<');
for (int i = 0; i < typeVariables.size(); i++) {
if(i!=0) f.p(',');
f.d(typeVariables.get(i));
}
f.p('>');
}
}
public JTypeVar generify(String name) {
JTypeVar v = new JTypeVar(owner(),name);
if(typeVariables==null)
typeVariables = new ArrayList<JTypeVar>(3);
typeVariables.add(v);
return v;
}
public JTypeVar generify(String name, Class<?> bound) {
return generify(name,owner().ref(bound));
}
public JTypeVar generify(String name, JClass bound) {
return generify(name).bound(bound);
}
public JTypeVar[] typeParams() {
if(typeVariables==null)
return JTypeVar.EMPTY_ARRAY;
else
return typeVariables.toArray(new JTypeVar[typeVariables.size()]);
}
}