private DocOp composeOperations(DocOp op1, DocOp op2) throws OperationException {
   target = defaultTarget;
   int op1Index = 0;
   int op2Index = 0;
   while (op1Index < op1.size()) {
     op1.applyComponent(op1Index++, target);
     while (target.isPostTarget()) {
       if (op2Index >= op2.size()) {
         throw new OperationException(
             "Document size mismatch: "
                 + "op1 resulting length="
                 + DocOpUtil.resultingDocumentLength(op1)
                 + ", op2 initial length="
                 + DocOpUtil.initialDocumentLength(op2));
       }
       op2.applyComponent(op2Index++, target);
     }
   }
   if (op2Index < op2.size()) {
     target = new FinisherPostTarget();
     while (op2Index < op2.size()) {
       op2.applyComponent(op2Index++, target);
     }
   }
   flushAnnotations();
   return normalizer.finish();
 }
Exemple #2
0
  /**
   * Find the size of a document in number of characters and tags.
   *
   * @param doc document mutation to find the size
   * @return size of the document in number of characters and tags
   */
  public static int findDocumentSize(DocOp doc) {
    final AtomicInteger size = new AtomicInteger(0);

    doc.apply(
        new InitializationCursorAdapter(
            new DocOpCursor() {
              @Override
              public void characters(String s) {
                size.getAndAdd(s.length());
              }

              @Override
              public void elementStart(String key, Attributes attrs) {
                size.incrementAndGet();
              }

              @Override
              public void elementEnd() {
                size.incrementAndGet();
              }

              @Override
              public void annotationBoundary(AnnotationBoundaryMap map) {}

              @Override
              public void retain(int itemCount) {}

              @Override
              public void deleteCharacters(String chars) {}

              @Override
              public void deleteElementStart(String type, Attributes attrs) {}

              @Override
              public void deleteElementEnd() {}

              @Override
              public void replaceAttributes(Attributes oldAttrs, Attributes newAttrs) {}

              @Override
              public void updateAttributes(AttributesUpdate attrUpdate) {}
            }));

    return size.get();
  }