v2/src/binding/org/apache/xmlbeans/impl/binding/bts/SimpleBindingType.java

/*   Copyright 2004 The Apache Software Foundation
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.xmlbeans.impl.binding.bts;

import org.apache.xmlbeans.impl.binding.bts.BindingType;
import org.apache.xmlbeans.impl.common.XmlWhitespace;
import org.apache.xmlbeans.XmlException;

/**
 * A binding of a simple user-defined type that operates by
 * delegating to another well-known (e.g., builtin) binding.
 */
public class SimpleBindingType extends BindingType
{

    // ========================================================================
    // Variables

    private XmlTypeName asIfXmlType;
    private int whitespace = XmlWhitespace.WS_UNSPECIFIED;

    // ========================================================================
    // Constructors

    public SimpleBindingType(BindingTypeName btName)
    {
        super(btName);
    }

    public SimpleBindingType(org.apache.xml.xmlbeans.bindingConfig.BindingType node)
    {
        super(node);
        org.apache.xml.xmlbeans.bindingConfig.SimpleType stNode = (org.apache.xml.xmlbeans.bindingConfig.SimpleType)node;
        org.apache.xml.xmlbeans.bindingConfig.AsXmlType as_xml = stNode.getAsXml();
        asIfXmlType = XmlTypeName.forString(as_xml.getStringValue());

        if (as_xml.isSetWhitespace()) {
            org.apache.xml.xmlbeans.bindingConfig.AsXmlType.Whitespace.Enum ws =
                as_xml.getWhitespace();
            if (ws.equals(org.apache.xml.xmlbeans.bindingConfig.AsXmlType.Whitespace.PRESERVE)) {
                whitespace = XmlWhitespace.WS_PRESERVE;
            } else if (ws.equals(org.apache.xml.xmlbeans.bindingConfig.AsXmlType.Whitespace.REPLACE)) {
                whitespace = XmlWhitespace.WS_REPLACE;
            } else if (ws.equals(org.apache.xml.xmlbeans.bindingConfig.AsXmlType.Whitespace.COLLAPSE)) {
                whitespace = XmlWhitespace.WS_COLLAPSE;
            } else {
                throw new AssertionError("invalid whitespace: " + ws);
            }

        }
    }

    protected org.apache.xml.xmlbeans.bindingConfig.BindingType write(org.apache.xml.xmlbeans.bindingConfig.BindingType node)
    {
        org.apache.xml.xmlbeans.bindingConfig.SimpleType stNode = (org.apache.xml.xmlbeans.bindingConfig.SimpleType)super.write(node);

        org.apache.xml.xmlbeans.bindingConfig.AsXmlType as_if = stNode.addNewAsXml();
        as_if.setStringValue(asIfXmlType.toString());

        switch (whitespace) {
            case XmlWhitespace.WS_UNSPECIFIED:
                break;
            case XmlWhitespace.WS_PRESERVE:
                as_if.setWhitespace(org.apache.xml.xmlbeans.bindingConfig.AsXmlType.Whitespace.PRESERVE);
                break;
            case XmlWhitespace.WS_REPLACE:
                as_if.setWhitespace(org.apache.xml.xmlbeans.bindingConfig.AsXmlType.Whitespace.REPLACE);
                break;
            case XmlWhitespace.WS_COLLAPSE:
                as_if.setWhitespace(org.apache.xml.xmlbeans.bindingConfig.AsXmlType.Whitespace.COLLAPSE);
                break;
            default:
                throw new AssertionError("invalid whitespace: " + whitespace);
        }


        stNode.setAsXml(as_if);
        return stNode;
    }

    public void accept(BindingTypeVisitor visitor) throws XmlException
    {
        visitor.visit(this);
    }

    // ========================================================================
    // Public methods

    // typically the "as if" type is the closest base builtin type.
    public XmlTypeName getAsIfXmlType()
    {
        return asIfXmlType;
    }

    public void setAsIfXmlType(XmlTypeName asIfXmlType)
    {
        this.asIfXmlType = asIfXmlType;
    }

    // question: do we want an "as if Java type" as well?

    public BindingTypeName getAsIfBindingTypeName()
    {
        if (asIfXmlType == null) {
            throw new IllegalStateException("SimpleBindingType must have" +
                                            " an asIfXmlType " + this);
        }
        return BindingTypeName.forPair(getName().getJavaName(), asIfXmlType);
    }


    /**
     * Gets whitespace facet -- use the constants from
     * org.apache.xmlbeans.impl.common.XmlWhitespace
     *
     * @return whitespace constant from XmlWhitespace
     */
    public int getWhitespace()
    {
        return whitespace;
    }

    /**
     * Sets whitespace facet -- use the constants from
     * org.apache.xmlbeans.impl.common.XmlWhitespace
     *
     * @param ws  whitespace constant from XmlWhitespace
     */
    public void setWhitespace(int ws)
    {
        switch (ws) {
            case XmlWhitespace.WS_UNSPECIFIED:
            case XmlWhitespace.WS_PRESERVE:
            case XmlWhitespace.WS_REPLACE:
            case XmlWhitespace.WS_COLLAPSE:
                whitespace = ws;
                break;
            default:
                throw new IllegalArgumentException("invalid whitespace: " + ws);
        }
    }
}