jdk8-mips64-public/jaxws: comparison src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Loader.java

-:88b85470e72c
+:f50545b5e2f1
+/*
+* 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.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.loader = Discarder.INSTANCE;
+state.receiver = null;
+}
+@SuppressWarnings({"StringEquality"})
+protected final void reportUnexpectedChildElement(TagName ea, boolean canRecover) throws SAXException {
+if(canRecover && !UnmarshallingContext.getInstance().parent.hasEventHandler())
+// 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
+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.prev.target);
+}
+if(listener!=null) {
+listener.beforeUnmarshal(child, state.prev.target);
+}
+}
+}
+/**
+* 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.target);
+}
+if(listener!=null)
+listener.afterUnmarshal(child, state.target);
+}
+}
+/**
+* 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 / file comparison

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

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