jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/TransducedAccessor.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/TransducedAccessor.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/TransducedAccessor.java

Thu, 31 Aug 2017 15:18:52 +0800

author: aoqi
date: Thu, 31 Aug 2017 15:18:52 +0800
changeset 637: 9c07ef4934dd
parent 450: b0c2840e2513
parent 0: 373ffda63c9a
permissions: -rw-r--r--

merge

 /*
  * 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.runtime.reflect;
 import java.io.IOException;
 import java.util.concurrent.Callable;
 import javax.xml.bind.JAXBException;
 import javax.xml.bind.annotation.XmlValue;
 import javax.xml.stream.XMLStreamException;
 import com.sun.istack.internal.NotNull;
 import com.sun.istack.internal.Nullable;
 import com.sun.istack.internal.SAXException2;
 import com.sun.xml.internal.bind.WhiteSpaceProcessor;
 import com.sun.xml.internal.bind.api.AccessorException;
 import com.sun.xml.internal.bind.v2.model.core.ID;
 import com.sun.xml.internal.bind.v2.model.impl.RuntimeModelBuilder;
 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.runtime.Name;
 import com.sun.xml.internal.bind.v2.runtime.Transducer;
 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
 import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;
 import com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedTransducedAccessorFactory;
 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Patcher;
 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext;
 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.LocatorEx;
 import org.xml.sax.SAXException;
 /**
  * {@link Accessor} and {@link Transducer} combined into one object.
  *
  * <p>
  * This allows efficient conversions between primitive values and
  * String without using boxing.
  *
  * <p>
  * This abstraction only works for a single-value property.
  *
  * <p>
  * An instance of {@link TransducedAccessor} implicitly holds a
  * field of the {@code BeanT} that the accessors access.
  *
  * @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
  */
 public abstract class TransducedAccessor<BeanT> {
     /**
      * @see Transducer#useNamespace()
      */
     public boolean useNamespace() {
         return false;
     }
     /**
      * Obtain the value of the field and declares the namespace URIs used in
      * the value.
      *
      * @see Transducer#declareNamespace(Object, XMLSerializer)
      */
     public void declareNamespace( BeanT o, XMLSerializer w ) throws AccessorException, SAXException {
     }
     /**
      * Prints the responsible field of the given bean to the writer.
      *
      * <p>
      * Use {@link XMLSerializer#getInstance()} to access to the namespace bindings
      *
      * @return
      *      if the accessor didn't yield a value, return null.
      */
     public abstract @Nullable CharSequence print(@NotNull BeanT o) throws AccessorException, SAXException;
     /**
      * Parses the text value into the responsible field of the given bean.
      *
      * <p>
      * Use {@link UnmarshallingContext#getInstance()} to access to the namespace bindings
      *
      * @throws AccessorException
      *      if the transducer is used to parse an user bean that uses {@link XmlValue},
      *      then this exception may occur when it tries to set the leaf value to the bean.
      * @throws RuntimeException
      *      if the lexical form is incorrect. The method may throw a RuntimeException,
      *      but it shouldn't cause the entire unmarshalling to fail.
      * @throws SAXException
      *      if the parse method found an error, the error is reported, and then
      *      the processing is aborted.
      */
     public abstract void parse(BeanT o, CharSequence lexical) throws AccessorException, SAXException;
     /**
      * Checks if the field has a value.
      */
     public abstract boolean hasValue(BeanT o) throws AccessorException;
     /**
      * Gets the {@link TransducedAccessor} appropriately configured for
      * the given property.
      *
      * <p>
      * This allows the implementation to use an optimized code.
      */
     public static <T> TransducedAccessor<T> get(JAXBContextImpl context, RuntimeNonElementRef ref) {
         Transducer xducer = RuntimeModelBuilder.createTransducer(ref);
         RuntimePropertyInfo prop = ref.getSource();
         if(prop.isCollection()) {
             return new ListTransducedAccessorImpl(xducer,prop.getAccessor(),
                     Lister.create(Utils.REFLECTION_NAVIGATOR.erasure(prop.getRawType()), prop.id(), prop.getAdapter()));
         }
         if(prop.id()==ID.IDREF)
             return new IDREFTransducedAccessorImpl(prop.getAccessor());
         if(xducer.isDefault() && context != null && !context.fastBoot) {
             TransducedAccessor xa = OptimizedTransducedAccessorFactory.get(prop);
             if(xa!=null)    return xa;
         }
         if(xducer.useNamespace())
             return new CompositeContextDependentTransducedAccessorImpl( context, xducer, prop.getAccessor() );
         else
             return new CompositeTransducedAccessorImpl( context, xducer, prop.getAccessor() );
     }
     /**
      * Convenience method to write the value as a text inside an element
      * without any attributes.
      * Can be overridden for improved performance.
      *
      * <p>
      * The callee assumes that there's an associated value in the field.
      * No @xsi:type handling is expected.
      */
     public abstract void writeLeafElement(XMLSerializer w, Name tagName, BeanT o, String fieldName) throws SAXException, AccessorException, IOException, XMLStreamException;
     /**
      * Invokes one of the {@link XMLSerializer#text(String, String)} method
      * with the representation of data bested suited for this transduced accessor.
      */
     public abstract void writeText(XMLSerializer w, BeanT o, String fieldName) throws AccessorException, SAXException, IOException, XMLStreamException;
     static class CompositeContextDependentTransducedAccessorImpl<BeanT,ValueT> extends CompositeTransducedAccessorImpl<BeanT,ValueT> {
         public CompositeContextDependentTransducedAccessorImpl(JAXBContextImpl context,Transducer<ValueT> xducer, Accessor<BeanT,ValueT> acc) {
             super(context,xducer,acc);
             assert xducer.useNamespace();
         }
         @Override
         public boolean useNamespace() {
             return true;
         }
         @Override
         public void declareNamespace(BeanT bean, XMLSerializer w) throws AccessorException {
             ValueT o = acc.get(bean);
             if(o!=null)
                 xducer.declareNamespace(o,w);
         }
         @Override
         public void writeLeafElement(XMLSerializer w, Name tagName, BeanT o, String fieldName) throws SAXException, AccessorException, IOException, XMLStreamException {
             w.startElement(tagName,null);
             declareNamespace(o,w);
             w.endNamespaceDecls(null);
             w.endAttributes();
             xducer.writeText(w,acc.get(o),fieldName);
             w.endElement();
         }
     }
     /**
      * Implementation of {@link TransducedAccessor} that
      * simply combines a {@link Transducer} and {@link Accessor}.
      */
     public static class CompositeTransducedAccessorImpl<BeanT,ValueT> extends TransducedAccessor<BeanT> {
         protected final Transducer<ValueT> xducer;
         protected final Accessor<BeanT,ValueT> acc;
         public CompositeTransducedAccessorImpl(JAXBContextImpl context, Transducer<ValueT> xducer, Accessor<BeanT,ValueT> acc) {
             this.xducer = xducer;
             this.acc = acc.optimize(context);
         }
         public CharSequence print(BeanT bean) throws AccessorException {
             ValueT o = acc.get(bean);
             if(o==null)     return null;
             return xducer.print(o);
         }
         public void parse(BeanT bean, CharSequence lexical) throws AccessorException, SAXException {
             acc.set(bean,xducer.parse(lexical));
         }
         public boolean hasValue(BeanT bean) throws AccessorException {
             return acc.getUnadapted(bean)!=null;
         }
         @Override
         public void writeLeafElement(XMLSerializer w, Name tagName, BeanT o, String fieldName) throws SAXException, AccessorException, IOException, XMLStreamException {
             xducer.writeLeafElement(w,tagName,acc.get(o),fieldName);
         }
         @Override
         public void writeText(XMLSerializer w, BeanT o, String fieldName) throws AccessorException, SAXException, IOException, XMLStreamException {
             xducer.writeText(w,acc.get(o),fieldName);
         }
     }
     /**
      * {@link TransducedAccessor} for IDREF.
      *
      * BeanT: the type of the bean that contains this the IDREF field.
      * TargetT: the type of the bean pointed by IDREF.
      */
     private static final class IDREFTransducedAccessorImpl<BeanT,TargetT> extends DefaultTransducedAccessor<BeanT> {
         private final Accessor<BeanT,TargetT> acc;
         /**
          * The object that an IDREF resolves to should be
          * assignable to this type.
          */
         private final Class<TargetT> targetType;
         public IDREFTransducedAccessorImpl(Accessor<BeanT, TargetT> acc) {
             this.acc = acc;
             this.targetType = acc.getValueType();
         }
         public String print(BeanT bean) throws AccessorException, SAXException {
             TargetT target = acc.get(bean);
             if(target==null)    return null;
             XMLSerializer w = XMLSerializer.getInstance();
             try {
                 String id = w.grammar.getBeanInfo(target,true).getId(target,w);
                 if(id==null)
                     w.errorMissingId(target);
                 return id;
             } catch (JAXBException e) {
                 w.reportError(null,e);
                 return null;
             }
         }
         private void assign( BeanT bean, TargetT t, UnmarshallingContext context ) throws AccessorException {
             if(!targetType.isInstance(t))
                 context.handleError(Messages.UNASSIGNABLE_TYPE.format(targetType,t.getClass()));
             else
                 acc.set(bean,t);
         }
         public void parse(final BeanT bean, CharSequence lexical) throws AccessorException, SAXException {
             final String idref = WhiteSpaceProcessor.trim(lexical).toString();
             final UnmarshallingContext context = UnmarshallingContext.getInstance();
             final Callable callable = context.getObjectFromId(idref,acc.valueType);
             if(callable==null) {
                 // the IDResolver decided to abort it now
                 context.errorUnresolvedIDREF(bean,idref,context.getLocator());
                 return;
             }
             TargetT t;
             try {
                 t = (TargetT)callable.call();
             } catch (SAXException e) {// from callable.call
                 throw e;
             } catch (RuntimeException e) {// from callable.call
                 throw e;
             } catch (Exception e) {// from callable.call
                 throw new SAXException2(e);
             }
             if(t!=null) {
                 assign(bean,t,context);
             } else {
                 // try again later
                 final LocatorEx loc = new LocatorEx.Snapshot(context.getLocator());
                 context.addPatcher(new Patcher() {
                     public void run() throws SAXException {
                         try {
                             TargetT t = (TargetT)callable.call();
                             if(t==null) {
                                 context.errorUnresolvedIDREF(bean,idref,loc);
                             } else {
                                 assign(bean,t,context);
                             }
                         } catch (AccessorException e) {
                             context.handleError(e);
                         } catch (SAXException e) {// from callable.call
                             throw e;
                         } catch (RuntimeException e) {// from callable.call
                             throw e;
                         } catch (Exception e) {// from callable.call
                             throw new SAXException2(e);
                         }
                     }
                 });
             }
         }
         public boolean hasValue(BeanT bean) throws AccessorException {
             return acc.get(bean)!=null;
         }
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/TransducedAccessor.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/TransducedAccessor.java