| /* |
| * Copyright 2006 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package com.sun.xml.internal.bind.v2.runtime.unmarshaller; |
| |
| import javax.xml.namespace.NamespaceContext; |
| import javax.xml.validation.Schema; |
| import javax.xml.validation.ValidatorHandler; |
| |
| import com.sun.xml.internal.bind.v2.util.FatalAdapter; |
| |
| import org.xml.sax.SAXException; |
| |
| /** |
| * {@link XmlVisitor} decorator that validates the events by using JAXP validation API. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| final class ValidatingUnmarshaller implements XmlVisitor, XmlVisitor.TextPredictor { |
| |
| private final XmlVisitor next; |
| private final ValidatorHandler validator; |
| |
| /** |
| * {@link TextPredictor} of the next {@link XmlVisitor}. |
| */ |
| private final TextPredictor predictor; |
| |
| private char[] buf = new char[256]; |
| |
| /** |
| * Creates a new instance of ValidatingUnmarshaller. |
| */ |
| public ValidatingUnmarshaller( Schema schema, XmlVisitor next ) { |
| this.validator = schema.newValidatorHandler(); |
| this.next = next; |
| this.predictor = next.getPredictor(); |
| // if the user bothers to use a validator, make validation errors fatal |
| // so that it will abort unmarshalling. |
| validator.setErrorHandler(new FatalAdapter(getContext())); |
| } |
| |
| public void startDocument(LocatorEx locator, NamespaceContext nsContext) throws SAXException { |
| // when nsContext is non-null, validator won't probably work correctly. |
| // should we warn? |
| validator.setDocumentLocator(locator); |
| validator.startDocument(); |
| next.startDocument(locator,nsContext); |
| } |
| |
| public void endDocument() throws SAXException { |
| validator.endDocument(); |
| next.endDocument(); |
| } |
| |
| public void startElement(TagName tagName) throws SAXException { |
| validator.startElement(tagName.uri,tagName.local,tagName.getQname(),tagName.atts); |
| next.startElement(tagName); |
| } |
| |
| public void endElement(TagName tagName ) throws SAXException { |
| validator.endElement(tagName.uri,tagName.local,tagName.getQname()); |
| next.endElement(tagName); |
| } |
| |
| public void startPrefixMapping(String prefix, String nsUri) throws SAXException { |
| validator.startPrefixMapping(prefix,nsUri); |
| next.startPrefixMapping(prefix,nsUri); |
| } |
| |
| public void endPrefixMapping(String prefix) throws SAXException { |
| validator.endPrefixMapping(prefix); |
| next.endPrefixMapping(prefix); |
| } |
| |
| public void text( CharSequence pcdata ) throws SAXException { |
| int len = pcdata.length(); |
| if(buf.length<len) { |
| buf = new char[len]; |
| } |
| for( int i=0;i<len; i++ ) |
| buf[i] = pcdata.charAt(i); // isn't this kinda slow? |
| |
| validator.characters(buf,0,len); |
| if(predictor.expectText()) |
| next.text(pcdata); |
| } |
| |
| public UnmarshallingContext getContext() { |
| return next.getContext(); |
| } |
| |
| public TextPredictor getPredictor() { |
| return this; |
| } |
| |
| // should be always invoked through TextPredictor |
| @Deprecated |
| public boolean expectText() { |
| // validator needs to make sure that there's no text |
| // even when it's not expected. So always have them |
| // send text, ignoring optimization hints from the unmarshaller |
| return true; |
| } |
| } |