Java example source code file (RuntimeModelBuilder.java)

This example Java source code file (RuntimeModelBuilder.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

class, filtertransducer, idtransducerimpl, inlinebinarytransducer, locatable, override, reflection, runtimearrayinfoimpl, runtimeclassinfoimpl, runtimeelementinfoimpl, runtimeenumleafinfoimpl, runtimemodelbuilder, runtimenonelement, runtimetypeinfosetimpl, sax, string, util

The RuntimeModelBuilder.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.xml.internal.bind.v2.model.impl;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.Map;

import javax.activation.MimeType;

import com.sun.xml.internal.bind.WhiteSpaceProcessor;
import com.sun.xml.internal.bind.api.AccessorException;
import com.sun.xml.internal.bind.v2.model.annotation.Locatable;
import com.sun.xml.internal.bind.v2.model.annotation.RuntimeAnnotationReader;
import com.sun.xml.internal.bind.v2.model.core.ID;
import com.sun.xml.internal.bind.v2.model.nav.Navigator;
import com.sun.xml.internal.bind.v2.model.runtime.RuntimeNonElement;
import com.sun.xml.internal.bind.v2.model.runtime.RuntimeNonElementRef;
import com.sun.xml.internal.bind.v2.model.runtime.RuntimePropertyInfo;
import com.sun.xml.internal.bind.v2.model.runtime.RuntimeTypeInfoSet;
import com.sun.xml.internal.bind.v2.runtime.FilterTransducer;
import com.sun.xml.internal.bind.v2.runtime.IllegalAnnotationException;
import com.sun.xml.internal.bind.v2.runtime.InlineBinaryTransducer;
import com.sun.xml.internal.bind.v2.runtime.MimeTypedTransducer;
import com.sun.xml.internal.bind.v2.runtime.SchemaTypeTransducer;
import com.sun.xml.internal.bind.v2.runtime.Transducer;
import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;
import com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext;
import com.sun.istack.internal.Nullable;

import com.sun.xml.internal.bind.v2.WellKnownNamespace;
import javax.xml.namespace.QName;
import org.xml.sax.SAXException;

/**
 * {@link ModelBuilder} that works at the run-time by using
 * the {@code java.lang.reflect} package.
 *
 * <p>
 * This extends {@link ModelBuilder} by providing more functionalities such
 * as accessing the fields and classes.
 *
 * @author Kohsuke Kawaguchi (kk@kohsuke.org)
 */
public class RuntimeModelBuilder extends ModelBuilder<Type,Class,Field,Method> {
    /**
     * The {@link JAXBContextImpl} for which the model is built.
     * Null when created for reflection.
     */
    public final @Nullable JAXBContextImpl context;

    public RuntimeModelBuilder(JAXBContextImpl context, RuntimeAnnotationReader annotationReader, Map<Class, Class> subclassReplacements, String defaultNamespaceRemap) {
        super(annotationReader, Utils.REFLECTION_NAVIGATOR, subclassReplacements, defaultNamespaceRemap);
        this.context = context;
    }

    @Override
    public RuntimeNonElement getClassInfo( Class clazz, Locatable upstream ) {
        return (RuntimeNonElement)super.getClassInfo(clazz,upstream);
    }

    @Override
    public RuntimeNonElement getClassInfo( Class clazz, boolean searchForSuperClass, Locatable upstream ) {
        return (RuntimeNonElement)super.getClassInfo(clazz,searchForSuperClass,upstream);
    }

    @Override
    protected RuntimeEnumLeafInfoImpl createEnumLeafInfo(Class clazz, Locatable upstream) {
        return new RuntimeEnumLeafInfoImpl(this,upstream,clazz);
    }

    @Override
    protected RuntimeClassInfoImpl createClassInfo( Class clazz, Locatable upstream ) {
        return new RuntimeClassInfoImpl(this,upstream,clazz);
    }

    @Override
    public RuntimeElementInfoImpl createElementInfo(RegistryInfoImpl<Type,Class,Field,Method> registryInfo, Method method) throws IllegalAnnotationException {
        return new RuntimeElementInfoImpl(this,registryInfo, method);
    }

    @Override
    public RuntimeArrayInfoImpl createArrayInfo(Locatable upstream, Type arrayType) {
        return new RuntimeArrayInfoImpl(this, upstream, (Class)arrayType);
    }

    @Override
    protected RuntimeTypeInfoSetImpl createTypeInfoSet() {
        return new RuntimeTypeInfoSetImpl(reader);
    }

    @Override
    public RuntimeTypeInfoSet link() {
        return (RuntimeTypeInfoSet)super.link();
    }

    /**
     * Creates a {@link Transducer} given a reference.
     *
     * Used to implement {@link RuntimeNonElementRef#getTransducer()}.
     * Shouldn't be called from anywhere else.
     *
     * TODO: this is not the proper place for this class to be in.
     */
    public static Transducer createTransducer(RuntimeNonElementRef ref) {
        Transducer t = ref.getTarget().getTransducer();
        RuntimePropertyInfo src = ref.getSource();
        ID id = src.id();

        if(id==ID.IDREF)
            return RuntimeBuiltinLeafInfoImpl.STRING;

        if(id==ID.ID)
            t = new IDTransducerImpl(t);

        MimeType emt = src.getExpectedMimeType();
        if(emt!=null)
            t = new MimeTypedTransducer(t,emt);

        if(src.inlineBinaryData())
            t = new InlineBinaryTransducer(t);

        if(src.getSchemaType()!=null) {
            if (src.getSchemaType().equals(createXSSimpleType())) {
                return RuntimeBuiltinLeafInfoImpl.STRING;
            }
            t = new SchemaTypeTransducer(t,src.getSchemaType());
        }

        return t;
    }

    private static QName createXSSimpleType() {
        return new QName(WellKnownNamespace.XML_SCHEMA,"anySimpleType");
    }

    /**
     * Transducer implementation for ID.
     *
     * This transducer wraps another {@link Transducer} and adds
     * handling for ID.
     */
    private static final class IDTransducerImpl<ValueT> extends FilterTransducer {
        public IDTransducerImpl(Transducer<ValueT> core) {
            super(core);
        }

        @Override
        public ValueT parse(CharSequence lexical) throws AccessorException, SAXException {
            String value = WhiteSpaceProcessor.trim(lexical).toString();
            UnmarshallingContext.getInstance().addToIdTable(value);
            return core.parse(value);
        }
    }
}