src/java.xml/share/classes/com/sun/org/apache/xerces/internal/impl/XMLDocumentFragmentScannerImpl.java

*** 1,26 ****
  /*
!  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
   */
  
  /*
!  * 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 com.sun.org.apache.xerces.internal.impl;
  
  import com.sun.xml.internal.stream.XMLBufferListener;
  import com.sun.xml.internal.stream.XMLEntityStorage;
  import com.sun.xml.internal.stream.XMLInputFactoryImpl;
--- 1,26 ----
  /*
!  * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
   */
  
  /*
!  * Licensed to the Apache Software Foundation (ASF) under one or more
!  * contributor license agreements.  See the NOTICE file distributed with
!  * this work for additional information regarding copyright ownership.
!  * The ASF licenses this file to You 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 com.sun.org.apache.xerces.internal.impl;
  
  import com.sun.xml.internal.stream.XMLBufferListener;
  import com.sun.xml.internal.stream.XMLEntityStorage;
  import com.sun.xml.internal.stream.XMLInputFactoryImpl;
*** 401,410 ****
--- 401,413 ----
      protected String fElementRawname ;
      protected boolean fShouldSkip = false;
      protected boolean fAdd = false ;
      protected boolean fSkip = false;
  
+     //indicates whether the parsing process should be stopped
+     private boolean stopProcess = false;
+ 
      /** Reusable Augmentations. */
      private Augmentations fTempAugmentations = null;
      //
      // Constructors
      //
*** 505,517 ****
                      break;
                  default :
                      throw new InternalError("processing event: " + event);
  
              }
!             //System.out.println("here in before calling next");
              event = next();
-             //System.out.println("here in after calling next");
          } while (event!=XMLStreamConstants.END_DOCUMENT && complete);
  
          if(event == XMLStreamConstants.END_DOCUMENT) {
              fDocumentHandler.endDocument(null);
              return false;
--- 508,522 ----
                      break;
                  default :
                      throw new InternalError("processing event: " + event);
  
              }
! 
!             if (stopProcess) {
!                 break;
!             }
              event = next();
          } while (event!=XMLStreamConstants.END_DOCUMENT && complete);
  
          if(event == XMLStreamConstants.END_DOCUMENT) {
              fDocumentHandler.endDocument(null);
              return false;
*** 519,529 ****
--- 524,558 ----
  
          return true;
  
      } // scanDocument(boolean):boolean
  
+     /**
+      * Stops the parsing process.
+      */
+     @Override
+     public boolean stop() {
+         return stopProcess = true;
+     }
  
+     /**
+      * Resumes parsing after it was stopped by calling the stop method.
+      */
+     @Override
+     public boolean resume() {
+         //resume only if the process was stopped.
+         if (stopProcess) {
+             stopProcess = false;
+             try {
+                 scanDocument(true);
+                 return true;
+             } catch (IOException | XNIException ex) {
+                 //can not resume the parsing process, do nothing.
+             }
+         }
+         return false;
+     }
  
      public com.sun.org.apache.xerces.internal.xni.QName getElementQName(){
          if(fScannerLastState == XMLEvent.END_ELEMENT){
              fElementQName.setValues(fElementStack.getLastPoppedElement());
          }
*** 653,662 ****
--- 682,692 ----
          fInScanContent = false;
          //skipping algorithm
          fShouldSkip = false;
          fAdd = false;
          fSkip = false;
+         stopProcess = false;
  
          fEntityStore = fEntityManager.getEntityStore();
          dtdGrammarUtil = null;
  
          if (fSecurityManager != null) {