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package com.sun.tools.xjc.model;

import com.sun.codemodel.JPackage;
import com.sun.tools.xjc.api.ClassNameAllocator;

/**
 * Wraps {@link ClassNameAllocator} and provides convenience.
 *
 * @author Kohsuke Kawaguchi
 */
final class ClassNameAllocatorWrapper implements ClassNameAllocator {
    private final ClassNameAllocator core;

    ClassNameAllocatorWrapper(ClassNameAllocator core) {
        if(core==null)
            core = new ClassNameAllocator() {
                public String assignClassName(String packageName, String className) {
                    return className;
                }
            };
        this.core = core;
    }

    public String assignClassName(String packageName, String className) {
        return core.assignClassName(packageName,className);
    }

    public String assignClassName(JPackage pkg, String className) {
        return core.assignClassName(pkg.name(),className);
    }

    public String assignClassName(CClassInfoParent parent, String className) {
        if (parent instanceof CClassInfoParent.Package) {
            CClassInfoParent.Package p = (CClassInfoParent.Package) parent;
            return assignClassName(p.pkg,className);
        }
        // not a package-level class
        return className;
    }
}