com.sun.codemodel.JGenerifiableImpl Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.codemodel;
import java.util.ArrayList;
import java.util.List;
/**
* Implementation of {@link JGenerifiable}.
*
* @author
* Kohsuke Kawaguchi ([email protected])
*/
abstract class JGenerifiableImpl implements JGenerifiable, JDeclaration {
/** Lazily created list of {@link JTypeVar}s. */
private List 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(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()]);
}
}