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

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

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/reflect/Lister.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, 2013, 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.lang.ref.WeakReference;
 import java.lang.reflect.Array;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.WeakHashMap;
 import java.util.LinkedList;
 import java.util.HashSet;
 import java.util.TreeSet;
 import java.util.Stack;
 import java.util.concurrent.Callable;
 import javax.xml.bind.JAXBException;
 import com.sun.istack.internal.SAXException2;
 import com.sun.xml.internal.bind.api.AccessorException;
 import com.sun.xml.internal.bind.v2.ClassFactory;
 import com.sun.xml.internal.bind.v2.TODO;
 import com.sun.xml.internal.bind.v2.model.core.Adapter;
 import com.sun.xml.internal.bind.v2.model.core.ID;
 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
 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;
 /**
  * Used to list individual values of a multi-value property, and
  * to pack individual values into a multi-value property.
  *
  * @author Kohsuke Kawaguchi (kk@kohsuke.org)
  */
 public abstract class Lister<BeanT,PropT,ItemT,PackT> {
     protected Lister() {}
     /**
      * Iterates values of a multi-value property.
      *
      * @param context
      *      This parameter is used to support ID/IDREF handling.
      */
     public abstract ListIterator<ItemT> iterator(PropT multiValueProp, XMLSerializer context);
     /**
      * Setting values to a multi-value property starts by creating
      * a transient object called "pack" from the current field.
      */
     public abstract PackT startPacking(BeanT bean, Accessor<BeanT, PropT> acc) throws AccessorException;
     /**
      * Once the {@link #startPacking} is called, you can
      * add values to the pack by using this method.
      */
     public abstract void addToPack( PackT pack, ItemT newValue ) throws AccessorException;
     /**
      * Finally, call this method to
      * wraps up the {@code pack}. This method may update the field of
      * the given bean.
      */
     public abstract void endPacking( PackT pack, BeanT bean, Accessor<BeanT,PropT> acc ) throws AccessorException;
     /**
      * Clears the values of the property.
      */
     public abstract void reset(BeanT o,Accessor<BeanT,PropT> acc) throws AccessorException;
     /**
      * Gets a reference to the appropriate {@link Lister} object
      * if the field is a multi-value field. Otherwise null.
      *
      * @param fieldType
      *      the type of the field that stores the collection
      * @param idness
      *      ID-ness of the property.
      * @param adapter
      *      adapter to be used for individual items. can be null.
      */
     public static <BeanT,PropT,ItemT,PackT>
         Lister<BeanT,PropT,ItemT,PackT> create(Type fieldType,ID idness, Adapter<Type,Class> adapter) {
         Class rawType = (Class) Utils.REFLECTION_NAVIGATOR.erasure(fieldType);
         Class itemType;
         Lister l;
         if( rawType.isArray() ) {
             itemType = rawType.getComponentType();
             l = getArrayLister(itemType);
         } else
         if( Collection.class.isAssignableFrom(rawType) ) {
             Type bt = Utils.REFLECTION_NAVIGATOR.getBaseClass(fieldType,Collection.class);
             if(bt instanceof ParameterizedType)
                 itemType = (Class) Utils.REFLECTION_NAVIGATOR.erasure(((ParameterizedType)bt).getActualTypeArguments()[0]);
             else
                 itemType = Object.class;
             l = new CollectionLister(getImplClass(rawType));
         } else
             return null;
         if(idness==ID.IDREF)
             l = new IDREFS(l,itemType);
         if(adapter!=null)
             l = new AdaptedLister(l,adapter.adapterType);
         return l;
     }
     private static Class getImplClass(Class<?> fieldType) {
         return ClassFactory.inferImplClass(fieldType,COLLECTION_IMPL_CLASSES);
     }
     /**
      * Cache instances of {@link ArrayLister}s.
      */
     private static final Map<Class,WeakReference<Lister>> arrayListerCache =
         Collections.synchronizedMap(new WeakHashMap<Class,WeakReference<Lister>>());
     /**
      * Creates a lister for array type.
      */
     private static Lister getArrayLister( Class componentType ) {
         Lister l=null;
         if(componentType.isPrimitive())
             l = primitiveArrayListers.get(componentType);
         else {
             WeakReference<Lister> wr = arrayListerCache.get(componentType);
             if(wr!=null)
                 l = wr.get();
             if(l==null) {
                 l = new ArrayLister(componentType);
                 arrayListerCache.put(componentType,new WeakReference<Lister>(l));
             }
         }
         assert l!=null;
         return l;
     }
     /**
      * {@link Lister} for an array.
      *
      * <p>
      * Array packing is slower, but we expect this to be used less frequently than
      * the {@link CollectionLister}.
      */
     private static final class ArrayLister<BeanT,ItemT> extends Lister<BeanT,ItemT[],ItemT,Pack<ItemT>> {
         private final Class<ItemT> itemType;
         public ArrayLister(Class<ItemT> itemType) {
             this.itemType = itemType;
         }
         public ListIterator<ItemT> iterator(final ItemT[] objects, XMLSerializer context) {
             return new ListIterator<ItemT>() {
                 int idx=0;
                 public boolean hasNext() {
                     return idx<objects.length;
                 }
                 public ItemT next() {
                     return objects[idx++];
                 }
             };
         }
         public Pack startPacking(BeanT current, Accessor<BeanT, ItemT[]> acc) {
             return new Pack<ItemT>(itemType);
         }
         public void addToPack(Pack<ItemT> objects, ItemT o) {
             objects.add(o);
         }
         public void endPacking( Pack<ItemT> pack, BeanT bean, Accessor<BeanT,ItemT[]> acc ) throws AccessorException {
             acc.set(bean,pack.build());
         }
         public void reset(BeanT o,Accessor<BeanT,ItemT[]> acc) throws AccessorException {
             acc.set(o,(ItemT[])Array.newInstance(itemType,0));
         }
     }
     public static final class Pack<ItemT> extends ArrayList<ItemT> {
         private final Class<ItemT> itemType;
         public Pack(Class<ItemT> itemType) {
             this.itemType = itemType;
         }
         public ItemT[] build() {
             return super.toArray( (ItemT[])Array.newInstance(itemType,size()) );
         }
     }
     /**
      * Listers for the primitive type arrays, keyed by their primitive Class object.
      */
     /*package*/ static final Map<Class,Lister> primitiveArrayListers = new HashMap<Class,Lister>();
     static {
         // register primitive array listers
         PrimitiveArrayListerBoolean.register();
         PrimitiveArrayListerByte.register();
         PrimitiveArrayListerCharacter.register();
         PrimitiveArrayListerDouble.register();
         PrimitiveArrayListerFloat.register();
         PrimitiveArrayListerInteger.register();
         PrimitiveArrayListerLong.register();
         PrimitiveArrayListerShort.register();
     }
     /**
      * {@link Lister} for a collection
      */
     public static final class CollectionLister<BeanT,T extends Collection> extends Lister<BeanT,T,Object,T> {
         /**
          * Sometimes we need to create a new instance of a collection.
          * This is such an implementation class.
          */
         private final Class<? extends T> implClass;
         public CollectionLister(Class<? extends T> implClass) {
             this.implClass = implClass;
         }
         public ListIterator iterator(T collection, XMLSerializer context) {
             final Iterator itr = collection.iterator();
             return new ListIterator() {
                 public boolean hasNext() {
                     return itr.hasNext();
                 }
                 public Object next() {
                     return itr.next();
                 }
             };
         }
         public T startPacking(BeanT bean, Accessor<BeanT, T> acc) throws AccessorException {
             T collection = acc.get(bean);
             if(collection==null) {
                 collection = ClassFactory.create(implClass);
                 if(!acc.isAdapted())
                     acc.set(bean,collection);
             }
             collection.clear();
             return collection;
         }
         public void addToPack(T collection, Object o) {
             collection.add(o);
         }
         public void endPacking( T collection, BeanT bean, Accessor<BeanT,T> acc ) throws AccessorException {
             // this needs to be done in the endPacking, because
             // sometimes the accessor uses an adapter, and the adapter needs to see
             // the whole thing.
             // but always doing so causes a problem when this collection property
             // is getter-only
             // invoke set when possible (see Issue 488)
             try {
                 if (acc.isAdapted()) {
                     acc.set(bean,collection);
                 }
             } catch (AccessorException ae) {
                 if(acc.isAdapted()) throw ae;
             }
         }
         public void reset(BeanT bean, Accessor<BeanT, T> acc) throws AccessorException {
             T collection = acc.get(bean);
             if(collection == null) {
                 return;
             }
             collection.clear();
         }
     }
     /**
      * {@link Lister} for IDREFS.
      */
     private static final class IDREFS<BeanT,PropT> extends Lister<BeanT,PropT,String,IDREFS<BeanT,PropT>.Pack> {
         private final Lister<BeanT,PropT,Object,Object> core;
         /**
          * Expected type to which IDREF resolves to.
          */
         private final Class itemType;
         public IDREFS(Lister core, Class itemType) {
             this.core = core;
             this.itemType = itemType;
         }
         public ListIterator<String> iterator(PropT prop, XMLSerializer context) {
             final ListIterator i = core.iterator(prop,context);
             return new IDREFSIterator(i, context);
         }
         public Pack startPacking(BeanT bean, Accessor<BeanT, PropT> acc) {
             return new Pack(bean,acc);
         }
         public void addToPack(Pack pack, String item) {
             pack.add(item);
         }
         public void endPacking(Pack pack, BeanT bean, Accessor<BeanT, PropT> acc) {
         }
         public void reset(BeanT bean, Accessor<BeanT, PropT> acc) throws AccessorException {
             core.reset(bean,acc);
         }
         /**
          * PackT for this lister.
          */
         private class Pack implements Patcher {
             private final BeanT bean;
             private final List<String> idrefs = new ArrayList<String>();
             private final UnmarshallingContext context;
             private final Accessor<BeanT,PropT> acc;
             private final LocatorEx location;
             public Pack(BeanT bean, Accessor<BeanT,PropT> acc) {
                 this.bean = bean;
                 this.acc = acc;
                 this.context = UnmarshallingContext.getInstance();
                 this.location = new LocatorEx.Snapshot(context.getLocator());
                 context.addPatcher(this);
             }
             public void add(String item) {
                 idrefs.add(item);
             }
             /**
              * Resolves IDREFS and fill in the actual array.
              */
             public void run() throws SAXException {
                 try {
                     Object pack = core.startPacking(bean,acc);
                     for( String id : idrefs ) {
                         Callable callable = context.getObjectFromId(id,itemType);
                         Object t;
                         try {
                             t = (callable!=null) ? callable.call() : null;
                         } catch (SAXException e) {
                             throw e;
                         } catch (Exception e) {
                             throw new SAXException2(e);
                         }
                         if(t==null) {
                             context.errorUnresolvedIDREF(bean,id,location);
                         } else {
                             TODO.prototype(); // TODO: check if the type of t is proper.
                             core.addToPack(pack,t);
                         }
                     }
                     core.endPacking(pack,bean,acc);
                 } catch (AccessorException e) {
                     context.handleError(e);
                 }
             }
         }
     }
     /**
      * {@link Iterator} for IDREFS lister.
      *
      * <p>
      * Only in ArrayElementProperty we need to get the actual
      * referenced object. This is a kind of ugly way to make that work.
      */
     public static final class IDREFSIterator implements ListIterator<String> {
         private final ListIterator i;
         private final XMLSerializer context;
         private Object last;
         private IDREFSIterator(ListIterator i, XMLSerializer context) {
             this.i = i;
             this.context = context;
         }
         public boolean hasNext() {
             return i.hasNext();
         }
         /**
          * Returns the last referenced object (not just its ID)
          */
         public Object last() {
             return last;
         }
         public String next() throws SAXException, JAXBException {
             last = i.next();
             String id = context.grammar.getBeanInfo(last,true).getId(last,context);
             if(id==null) {
                 context.errorMissingId(last);
             }
             return id;
         }
     }
     /**
      * Gets the special {@link Lister} used to recover from an error.
      */
     @SuppressWarnings("unchecked")
     public static <A,B,C,D> Lister<A,B,C,D> getErrorInstance() {
         return ERROR;
     }
     public static final Lister ERROR = new Lister() {
         public ListIterator iterator(Object o, XMLSerializer context) {
             return EMPTY_ITERATOR;
         }
         public Object startPacking(Object o, Accessor accessor) {
             return null;
         }
         public void addToPack(Object o, Object o1) {
         }
         public void endPacking(Object o, Object o1, Accessor accessor) {
         }
         public void reset(Object o, Accessor accessor) {
         }
     };
     private static final ListIterator EMPTY_ITERATOR = new ListIterator() {
         public boolean hasNext() {
             return false;
         }
         public Object next() {
             throw new IllegalStateException();
         }
     };
     private static final Class[] COLLECTION_IMPL_CLASSES = new Class[] {
         ArrayList.class,
         LinkedList.class,
         HashSet.class,
         TreeSet.class,
         Stack.class
     };
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

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

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