Java example source code file (DefaultFieldRenderer.java)

This example Java source code file (DefaultFieldRenderer.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

cpropertyinfo, creferencepropertyinfo, defaultfieldrenderer, fieldoutline, fieldrenderer, fieldrendererfactory, util

The DefaultFieldRenderer.java Java example source code

/*
 * Copyright (c) 1997, 2011, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.tools.internal.xjc.generator.bean.field;

import java.util.ArrayList;

import com.sun.tools.internal.xjc.generator.bean.ClassOutlineImpl;
import com.sun.tools.internal.xjc.model.CPropertyInfo;
import com.sun.tools.internal.xjc.model.CReferencePropertyInfo;
import com.sun.tools.internal.xjc.outline.FieldOutline;
import java.io.Serializable;

/**
 * Default implementation of the FieldRendererFactory
 * that faithfully implements the semantics demanded by the JAXB spec.
 *
 * <p>
 * This class is just a facade --- it just determines which
 * {@link FieldRenderer} to use and just delegate the work.
 *
 * @author
 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 */
final class DefaultFieldRenderer implements FieldRenderer {

    private final FieldRendererFactory frf;

    /**
     * Use {@link FieldRendererFactory#getDefault()}.
     */
    DefaultFieldRenderer(FieldRendererFactory frf) {
        this.frf = frf;
    }

    public DefaultFieldRenderer(FieldRendererFactory frf, FieldRenderer defaultCollectionFieldRenderer ) {
        this.frf = frf;
        this.defaultCollectionFieldRenderer = defaultCollectionFieldRenderer;
    }

    private FieldRenderer defaultCollectionFieldRenderer;


    public FieldOutline generate(ClassOutlineImpl outline, CPropertyInfo prop) {
        return decideRenderer(outline,prop).generate(outline,prop);
    }

    private FieldRenderer decideRenderer(ClassOutlineImpl outline, CPropertyInfo prop) {

        if (prop instanceof CReferencePropertyInfo) {
            CReferencePropertyInfo p = (CReferencePropertyInfo)prop;
            if (p.isDummy()) {
                return frf.getDummyList(outline.parent().getCodeModel().ref(ArrayList.class));
            }
            if (p.isContent() && (p.isMixedExtendedCust())) {
                return frf.getContentList(outline.parent().getCodeModel().ref(ArrayList.class).narrow(Serializable.class));
            }
        }

        if(!prop.isCollection()) {
            // non-collection field

            // TODO: check for bidning info for optionalPrimitiveType=boxed or
            // noHasMethod=false and noDeletedMethod=false
            if(prop.isUnboxable())
                // this one uses a primitive type as much as possible
                return frf.getRequiredUnboxed();
            else
                // otherwise use the default non-collection field
                return frf.getSingle();
        }

        if( defaultCollectionFieldRenderer==null ) {
            return frf.getList(outline.parent().getCodeModel().ref(ArrayList.class));
        }

        // this field is a collection field.
        // use untyped list as the default. This is consistent
        // to the JAXB spec.
        return defaultCollectionFieldRenderer;
    }
}