content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE 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 for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  /*
   * Copyright 2005 The Apache Software Foundation.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package jaxp.sun.org.apache.xerces.internal.jaxp.validation;
  
  import java.io.IOException;
  
  import jaxp.xml.transform.Result;
  import jaxp.xml.transform.Source;
  import jaxp.xml.transform.dom.DOMSource;
  import jaxp.xml.transform.sax.SAXSource;
  import jaxp.xml.transform.stax.StAXSource;
  import jaxp.xml.transform.stream.StreamSource;
  import jaxp.xml.validation.Validator;
  
  import jaxp.sun.org.apache.xerces.internal.impl.Constants;
  import jaxp.sun.org.apache.xerces.internal.util.SAXMessageFormatter;
  import jaxp.sun.org.apache.xerces.internal.util.Status;
  import jaxp.sun.org.apache.xerces.internal.xni.parser.XMLConfigurationException;
  import jaxp.sun.org.apache.xerces.internal.xs.AttributePSVI;
  import jaxp.sun.org.apache.xerces.internal.xs.ElementPSVI;
  import jaxp.sun.org.apache.xerces.internal.xs.PSVIProvider;
  import org.w3c.dom.ls.LSResourceResolver;
  import org.xml.sax.ErrorHandler;
  import org.xml.sax.SAXException;
  import org.xml.sax.SAXNotRecognizedException;
  import org.xml.sax.SAXNotSupportedException;
  
  /**
   * <p>Implementation of Validator for W3C XML Schemas.</p>
   *
   * @author <a href="mailto:Kohsuke.Kawaguchi@Sun.com">Kohsuke Kawaguchi</a>
   * @author Michael Glavassevich, IBM
   * @author <a href="mailto:Sunitha.Reddy@Sun.com">Sunitha Reddy</a>
   * @version $Id: ValidatorImpl.java,v 1.10 2010-11-01 04:40:08 joehw Exp $
   */
  final class ValidatorImpl extends Validator implements PSVIProvider {
  
      //
      // Data
      //
  
      /** Component manager. **/
      private XMLSchemaValidatorComponentManager fComponentManager;
  
      /** SAX validator helper. **/
      private ValidatorHandlerImpl fSAXValidatorHelper;
  
      /** DOM validator helper. **/
      private DOMValidatorHelper fDOMValidatorHelper;
  
      /** Stream validator helper. **/
      private StreamValidatorHelper fStreamValidatorHelper;
  
      /** StAX validator helper. **/
      private StAXValidatorHelper fStaxValidatorHelper;
  
      /** Flag for tracking whether features/properties changed since last reset. */
      private boolean fConfigurationChanged = false;
  
      /** Flag for tracking whether the error handler changed since last reset. */
      private boolean fErrorHandlerChanged = false;
  
      /** Flag for tracking whether the resource resolver changed since last reset. */
      private boolean fResourceResolverChanged = false;
  
      /** Support current-element-node property */
      private static final String CURRENT_ELEMENT_NODE = Constants.XERCES_PROPERTY_PREFIX + Constants.CURRENT_ELEMENT_NODE_PROPERTY;
  
      public ValidatorImpl(XSGrammarPoolContainer grammarContainer) {
          fComponentManager = new XMLSchemaValidatorComponentManager(grammarContainer);
          setErrorHandler(null);
          setResourceResolver(null);
      }
  
      public void validate(Source source, Result result)
          throws SAXException, IOException {
          if (source instanceof SAXSource) {
              // Hand off to SAX validator helper.
              if (fSAXValidatorHelper == null) {
                  fSAXValidatorHelper = new ValidatorHandlerImpl(fComponentManager);
              }
              fSAXValidatorHelper.validate(source, result);
          }
          else if (source instanceof DOMSource) {
              // Hand off to DOM validator helper.
              if (fDOMValidatorHelper == null) {
                  fDOMValidatorHelper = new DOMValidatorHelper(fComponentManager);
              }
              fDOMValidatorHelper.validate(source, result);
          }
          else if (source instanceof StreamSource) {
              // Hand off to stream validator helper.
              if (fStreamValidatorHelper == null) {
                  fStreamValidatorHelper = new StreamValidatorHelper(fComponentManager);
              }
              fStreamValidatorHelper.validate(source, result);
          }
          else if (source instanceof StAXSource) {
              // Hand off to stax validator helper.
              if (fStaxValidatorHelper == null) {
                  fStaxValidatorHelper = new StAXValidatorHelper(fComponentManager);
              }
              fStaxValidatorHelper.validate(source, result);
          }
          // Source parameter cannot be null.
          else if (source == null) {
              throw new NullPointerException(JAXPValidationMessageFormatter.formatMessage(fComponentManager.getLocale(),
                      "SourceParameterNull", null));
          }
          // Source parameter must be a SAXSource, DOMSource or StreamSource
          else {
              throw new IllegalArgumentException(JAXPValidationMessageFormatter.formatMessage(fComponentManager.getLocale(),
                      "SourceNotAccepted", new Object [] {source.getClass().getName()}));
          }
      }
  
      public void setErrorHandler(ErrorHandler errorHandler) {
          fErrorHandlerChanged = (errorHandler != null);
          fComponentManager.setErrorHandler(errorHandler);
      }
  
      public ErrorHandler getErrorHandler() {
          return fComponentManager.getErrorHandler();
      }
  
      public void setResourceResolver(LSResourceResolver resourceResolver) {
          fResourceResolverChanged = (resourceResolver != null);
          fComponentManager.setResourceResolver(resourceResolver);
      }
  
      public LSResourceResolver getResourceResolver() {
          return fComponentManager.getResourceResolver();
      }
  
      public boolean getFeature(String name)
          throws SAXNotRecognizedException, SAXNotSupportedException {
          if (name == null) {
              throw new NullPointerException();
          }
          try {
              return fComponentManager.getFeature(name);
          }
          catch (XMLConfigurationException e) {
              final String identifier = e.getIdentifier();
              final String key = e.getType() == Status.NOT_RECOGNIZED ?
                      "feature-not-recognized" : "feature-not-supported";
              throw new SAXNotRecognizedException(
                      SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
                      key, new Object [] {identifier}));
          }
      }
  
      public void setFeature(String name, boolean value)
          throws SAXNotRecognizedException, SAXNotSupportedException {
          if (name == null) {
              throw new NullPointerException();
          }
          try {
              fComponentManager.setFeature(name, value);
          }
          catch (XMLConfigurationException e) {
              final String identifier = e.getIdentifier();
              final String key;
              if (e.getType() == Status.NOT_ALLOWED) {
                  //for now, the identifier can only be (XMLConstants.FEATURE_SECURE_PROCESSING)
                  throw new SAXNotSupportedException(
                      SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
                      "jaxp-secureprocessing-feature", null));
              } else if (e.getType() == Status.NOT_RECOGNIZED) {
                  key = "feature-not-recognized";
              } else {
                  key = "feature-not-supported";
              }
              throw new SAXNotRecognizedException(
                      SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
                      key, new Object [] {identifier}));
          }
          fConfigurationChanged = true;
      }
  
      public Object getProperty(String name)
          throws SAXNotRecognizedException, SAXNotSupportedException {
          if (name == null) {
              throw new NullPointerException();
          }
          //Support current-element-node; return current node if DOMSource is used.
          if (CURRENT_ELEMENT_NODE.equals(name)) {
              return (fDOMValidatorHelper != null) ? fDOMValidatorHelper.getCurrentElement() : null;
          }
          try {
              return fComponentManager.getProperty(name);
          }
          catch (XMLConfigurationException e) {
              final String identifier = e.getIdentifier();
              final String key = e.getType() == Status.NOT_RECOGNIZED ?
                      "property-not-recognized" : "property-not-supported";
              throw new SAXNotRecognizedException(
                      SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
                      key, new Object [] {identifier}));
          }
      }
  
      public void setProperty(String name, Object object)
          throws SAXNotRecognizedException, SAXNotSupportedException {
          if (name == null) {
              throw new NullPointerException();
          }
          try {
              fComponentManager.setProperty(name, object);
          }
          catch (XMLConfigurationException e) {
              final String identifier = e.getIdentifier();
              final String key = e.getType() == Status.NOT_RECOGNIZED ?
                      "property-not-recognized" : "property-not-supported";
              throw new SAXNotRecognizedException(
                      SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
                      key, new Object [] {identifier}));
          }
          fConfigurationChanged = true;
      }
  
      public void reset() {
          // avoid resetting features and properties if the state the validator
          // is currently in, is the same as it will be after reset.
          if (fConfigurationChanged) {
              fComponentManager.restoreInitialState();
              setErrorHandler(null);
              setResourceResolver(null);
              fConfigurationChanged = false;
              fErrorHandlerChanged = false;
              fResourceResolverChanged = false;
          }
          else {
              if (fErrorHandlerChanged) {
                  setErrorHandler(null);
                  fErrorHandlerChanged = false;
              }
              if (fResourceResolverChanged) {
                  setResourceResolver(null);
                  fResourceResolverChanged = false;
              }
          }
      }
  
      /*
       * PSVIProvider methods
       */
  
      public ElementPSVI getElementPSVI() {
          return (fSAXValidatorHelper != null) ? fSAXValidatorHelper.getElementPSVI() : null;
      }
  
      public AttributePSVI getAttributePSVI(int index) {
          return (fSAXValidatorHelper != null) ? fSAXValidatorHelper.getAttributePSVI(index) : null;
      }
  
      public AttributePSVI getAttributePSVIByName(String uri, String localname) {
          return (fSAXValidatorHelper != null) ? fSAXValidatorHelper.getAttributePSVIByName(uri, localname) : null;
      }
  
  } // ValidatorImpl
  