jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Loader.java@e530533619ec (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Loader.java@e530533619ec (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Loader.java

Thu, 12 Oct 2017 19:44:07 +0800

author: aoqi
date: Thu, 12 Oct 2017 19:44:07 +0800
changeset 760: e530533619ec
parent 650: 121e938cb9c3
parent 637: 9c07ef4934dd
permissions: -rw-r--r--

merge

 /*
  * Copyright (c) 1997, 2014, 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.unmarshaller;
 import java.util.Collection;
 import java.util.Collections;
 import javax.xml.bind.Unmarshaller;
 import javax.xml.bind.ValidationEvent;
 import javax.xml.bind.helpers.ValidationEventImpl;
 import javax.xml.namespace.QName;
 import com.sun.xml.internal.bind.v2.runtime.JaxBeanInfo;
 import org.xml.sax.SAXException;
 /**
  * @author Kohsuke Kawaguchi
  */
 public abstract class Loader {
     // allow derived classes to change it later
     protected boolean expectText;
     protected Loader(boolean expectText) {
         this.expectText = expectText;
     }
     protected Loader() {
     }
 //
 //
 //
 // Contract
 //
 //
 //
     /**
      * Called when the loader is activated, which is when a new start tag is seen
      * and when the parent designated this loader as the child loader.
      *
      * <p>
      * The callee may change <tt>state.loader</tt> to designate another {@link Loader}
      * for the processing. It's the responsibility of the callee to forward the startElement
      * event in such a case.
      *
      * @param ea
      *      info about the start tag. never null.
      */
     public void startElement(UnmarshallingContext.State state,TagName ea) throws SAXException {
     }
     /**
      * Called when this loaderis an active loaderand we see a new child start tag.
      *
      * <p>
      * The callee is expected to designate another loaderas a loaderthat processes
      * this element, then it should also register a {@link Receiver}.
      * The designated loaderwill become an active loader.
      *
      * <p>
      * The default implementation reports an error saying an element is unexpected.
      */
     public void childElement(UnmarshallingContext.State state, TagName ea) throws SAXException {
         // notify the error, then recover by ignoring the whole element.
         reportUnexpectedChildElement(ea, true);
         state.setLoader(Discarder.INSTANCE);
         state.setReceiver(null);
     }
     @SuppressWarnings({"StringEquality"})
     protected final void reportUnexpectedChildElement(TagName ea, boolean canRecover) throws SAXException {
         if (canRecover) {
             // this error happens particurly often (when input documents contain a lot of unexpected elements to be ignored),
             // so don't bother computing all the messages and etc if we know that
             // there's no event handler to receive the error in the end. See #286
             UnmarshallingContext context = UnmarshallingContext.getInstance();
             if (!context.parent.hasEventHandler() // is somebody listening?
                     || !context.shouldErrorBeReported()) // should we report error?
                 return;
         }
         if(ea.uri!=ea.uri.intern() || ea.local!=ea.local.intern())
             reportError(Messages.UNINTERNED_STRINGS.format(), canRecover );
         else
             reportError(Messages.UNEXPECTED_ELEMENT.format(ea.uri,ea.local,computeExpectedElements()), canRecover );
     }
     /**
      * Returns a set of tag names expected as possible child elements in this context.
      */
     public Collection<QName> getExpectedChildElements() {
         return Collections.emptyList();
     }
     /**
      * Returns a set of tag names expected as possible child elements in this context.
      */
     public Collection<QName> getExpectedAttributes() {
         return Collections.emptyList();
     }
     /**
      * Called when this loaderis an active loaderand we see a chunk of text.
      *
      * The runtime makes sure that adjacent characters (even those separated
      * by comments, PIs, etc) are reported as one event.
      * IOW, you won't see two text event calls in a row.
      */
     public void text(UnmarshallingContext.State state, CharSequence text) throws SAXException {
         // make str printable
         text = text.toString().replace('\r',' ').replace('\n',' ').replace('\t',' ').trim();
         reportError(Messages.UNEXPECTED_TEXT.format(text), true );
     }
     /**
      * True if this loader expects the {@link #text(UnmarshallingContext.State, CharSequence)} method
      * to be called. False otherwise.
      */
     public final boolean expectText() {
         return expectText;
     }
     /**
      * Called when this loaderis an active loaderand we see an end tag.
      */
     public void leaveElement(UnmarshallingContext.State state, TagName ea) throws SAXException {
     }
 //
 //
 //
 // utility methods
 //
 //
 //
     /**
      * Computes the names of possible root elements for a better error diagnosis.
      */
     private String computeExpectedElements() {
         StringBuilder r = new StringBuilder();
         for( QName n : getExpectedChildElements() ) {
             if(r.length()!=0)   r.append(',');
             r.append("<{").append(n.getNamespaceURI()).append('}').append(n.getLocalPart()).append('>');
         }
         if(r.length()==0) {
             return "(none)";
         }
         return r.toString();
     }
     /**
      * Fires the beforeUnmarshal event if necessary.
      *
      * @param state
      *      state of the newly create child object.
      */
     protected final void fireBeforeUnmarshal(JaxBeanInfo beanInfo, Object child, UnmarshallingContext.State state) throws SAXException {
         if(beanInfo.lookForLifecycleMethods()) {
             UnmarshallingContext context = state.getContext();
             Unmarshaller.Listener listener = context.parent.getListener();
             if(beanInfo.hasBeforeUnmarshalMethod()) {
                 beanInfo.invokeBeforeUnmarshalMethod(context.parent, child, state.getPrev().getTarget());
             }
             if(listener!=null) {
                 listener.beforeUnmarshal(child, state.getPrev().getTarget());
             }
         }
     }
     /**
      * Fires the afterUnmarshal event if necessary.
      *
      * @param state
      *      state of the parent object
      */
     protected final void fireAfterUnmarshal(JaxBeanInfo beanInfo, Object child, UnmarshallingContext.State state) throws SAXException {
         // fire the event callback
         if(beanInfo.lookForLifecycleMethods()) {
             UnmarshallingContext context = state.getContext();
             Unmarshaller.Listener listener = context.parent.getListener();
             if(beanInfo.hasAfterUnmarshalMethod()) {
                 beanInfo.invokeAfterUnmarshalMethod(context.parent, child, state.getTarget());
             }
             if(listener!=null)
                 listener.afterUnmarshal(child, state.getTarget());
         }
     }
     /**
      * Last resort when something goes terribly wrong within the unmarshaller.
      */
     protected static void handleGenericException(Exception e) throws SAXException {
         handleGenericException(e,false);
     }
     public static void handleGenericException(Exception e, boolean canRecover) throws SAXException {
         reportError(e.getMessage(), e, canRecover );
     }
     public static void handleGenericError(Error e) throws SAXException {
         reportError(e.getMessage(), false);
     }
     protected static void reportError(String msg, boolean canRecover) throws SAXException {
         reportError(msg, null, canRecover );
     }
     public static void reportError(String msg, Exception nested, boolean canRecover) throws SAXException {
         UnmarshallingContext context = UnmarshallingContext.getInstance();
         context.handleEvent( new ValidationEventImpl(
             canRecover? ValidationEvent.ERROR : ValidationEvent.FATAL_ERROR,
             msg,
             context.getLocator().getLocation(),
             nested ), canRecover );
     }
     /**
      * This method is called by the generated derived class
      * when a datatype parse method throws an exception.
      */
     protected static void handleParseConversionException(UnmarshallingContext.State state, Exception e) throws SAXException {
         // wrap it into a ParseConversionEvent and report it
         state.getContext().handleError(e);
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Loader.java@e530533619ec (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Loader.java