CommentProcessorFactory.java

package pro.verron.officestamper.preset;

import jakarta.xml.bind.JAXBElement;

import org.docx4j.XmlUtils;

import org.docx4j.jaxb.Context;

import org.docx4j.openpackaging.exceptions.Docx4JException;

import org.docx4j.openpackaging.packages.WordprocessingMLPackage;

import org.docx4j.wml.*;

import org.jvnet.jaxb2_commons.ppp.Child;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.lang.Nullable;

import pro.verron.officestamper.api.*;

import pro.verron.officestamper.core.*;

import java.io.IOException;

import java.io.OutputStream;

import java.io.PipedInputStream;

import java.io.PipedOutputStream;

import java.math.BigInteger;

import java.util.*;

import java.util.concurrent.CopyOnWriteArrayList;

import java.util.concurrent.Executors;

import java.util.concurrent.ThreadFactory;

import java.util.concurrent.atomic.AtomicReference;

import java.util.function.BiFunction;

import java.util.function.Consumer;

import java.util.function.Function;

import java.util.function.Supplier;

import static java.lang.String.format;

import static java.util.Collections.emptyList;

import static java.util.Objects.requireNonNull;

import static java.util.stream.Collectors.toMap;

import static org.docx4j.TextUtils.getText;

import static pro.verron.officestamper.core.DocumentUtil.walkObjectsAndImportImages;

/**

 * Factory class to create the correct comment processor for a given comment.

 *

 * @author Joseph Verron

 * @version ${version}

 * @since 1.6.4

 */

public class CommentProcessorFactory {

    private final OfficeStamperConfiguration configuration;

    /**

     * Creates a new CommentProcessorFactory.

     *

     * @param configuration the configuration to use for the created processors.

     */

    private static Tbl parentTable(P p) {

    }

    private static Tr parentRow(P p) {

    }

    private static Tc parentCell(P p) {

    }

    /**

     * Creates a new CommentProcessorFactory with default configuration.

     *

     * @param pr a {@link PlaceholderReplacer} object

     *

     * @return a {@link CommentProcessor} object

     */

    public CommentProcessor repeatParagraph(ParagraphPlaceholderReplacer pr) {

    }

    /**

     * Creates a new CommentProcessorFactory with default configuration.

     *

     * @param pr a {@link PlaceholderReplacer} object

     *

     * @return a {@link CommentProcessor} object

     */

    public CommentProcessor repeatDocPart(ParagraphPlaceholderReplacer pr) {

    }

    private OfficeStamper<WordprocessingMLPackage> getStamper() {

    }

    /**

     * Creates a new CommentProcessorFactory with default configuration.

     *

     * @param pr a {@link PlaceholderReplacer} object

     *

     * @return a {@link CommentProcessor} object

     */

    public CommentProcessor repeat(ParagraphPlaceholderReplacer pr) {

    }

    /**

     * Creates a new CommentProcessorFactory with default configuration.

     *

     * @param pr a {@link PlaceholderReplacer} object

     *

     * @return a {@link CommentProcessor} object

     */

    public CommentProcessor tableResolver(ParagraphPlaceholderReplacer pr) {

    }

    /**

     * Creates a new CommentProcessorFactory with default configuration.

     *

     * @param pr a {@link PlaceholderReplacer} object

     *

     * @return a {@link CommentProcessor} object

     */

    public CommentProcessor displayIf(ParagraphPlaceholderReplacer pr) {

    }

    /**

     * Creates a new CommentProcessorFactory with default configuration.

     *

     * @param pr a {@link PlaceholderReplacer} object

     *

     * @return a {@link CommentProcessor} object

     */

    public CommentProcessor replaceWith(ParagraphPlaceholderReplacer pr) {

    }

    /**

     * This interface is used to resolve a table in the template document.

     * The table is passed to the resolveTable method and will be used to fill an existing Tbl object in the document.

     *

     * @author Joseph Verron

     * @version ${version}

     * @since 1.6.2

     */

    public interface ITableResolver {

        /**

         * Resolves the given table by manipulating the given table in the template

         *

         * @param table the table to resolve.

         */

        void resolveTable(StampTable table);

    }

    /**

     * Interface for processors that replace a single word with an expression defined

     * in a comment.

     *

     * @author Joseph Verron

     * @author Tom Hombergs

     * @version ${version}

     * @since 1.0.8

     */

    public interface IReplaceWithProcessor {

        /**

         * May be called to replace a single word inside a paragraph with an expression

         * defined in a comment. The comment must be applied to a single word for the

         * replacement to take effect!

         *

         * @param expression the expression to replace the text with

         */

        void replaceWordWith(@Nullable String expression);

    }

    /**

     * Implementations of this interface are responsible for processing the repeat paragraph instruction.

     * The repeat paragraph instruction is a comment that contains the following text:

     * <p>

     * <code>

     * repeatParagraph(...)

     * </code>

     * <p>

     * Where the three dots represent an expression that evaluates to a list of objects.

     * The processor then copies the paragraph once for each object in the list and evaluates all expressions

     * within each copy against the respective object.

     *

     * @author Joseph Verron

     * @author Romain Lamarche

     * @version ${version}

     * @since 1.0.0

     */

    public interface IParagraphRepeatProcessor {

        /**

         * May be called to mark a paragraph to be copied once for each element in the passed-in list.

         * Within each copy of the row, all expressions are evaluated against one of the objects in the list.

         *

         * @param objects the objects which serve as context root for expressions found in the template table row.

         */

        void repeatParagraph(List<Object> objects);

    }

    /**

     * Interface for processors which may be called to mark a document part to be copied once for each element in the

     * passed-in list.

     * Within each copy of the row, all expressions are evaluated against one of the objects in the list.

     *

     * @author Joseph Verron

     * @author Artem Medvedev

     * @version ${version}

     * @since 1.0.0

     */

    public interface IRepeatDocPartProcessor {

        /**

         * May be called to mark a document part to be copied once for each element in the passed-in list.

         * Within each copy of the row, all expressions are evaluated against one of the objects in the list.

         *

         * @param objects the objects which serve as context root for expressions found in the template table row.

         *

         * @throws Exception if the processing fails.

         */

        void repeatDocPart(@Nullable List<Object> objects)

                throws Exception;

    }

    /**

     * Interface for processors that can repeat a table row.

     *

     * @author Joseph Verron

     * @author Tom Hombergs

     * @version ${version}

     * @since 1.0.0

     */

    public interface IRepeatProcessor {

        /**

         * May be called to mark a table row to be copied once for each element in the passed-in list.

         * Within each copy of the row, all expressions are evaluated against one of the objects in the list.

         *

         * @param objects the objects which serve as context root for expressions found in the template table row.

         */

        void repeatTableRow(List<Object> objects);

    }

    /**

     * Interface for processors that may be used to delete commented paragraphs or tables from the document, depending

     * on a given condition.

     *

     * @author Joseph Verron

     * @author Tom Hombergs

     * @version ${version}

     * @since 1.0.0

     */

    public interface IDisplayIfProcessor {

        /**

         * May be called to delete the commented paragraph or not, depending on the given boolean condition.

         *

         * @param condition if true, the commented paragraph will remain in the document. If false, the commented

         *                  paragraph

         *                  will be deleted at stamping.

         */

        void displayParagraphIf(Boolean condition);

        /**

         * May be called to delete the commented paragraph or not, depending on the presence of the given data.

         *

         * @param condition if non-null, the commented paragraph will remain in

         *                  the document. If null, the commented paragraph

         *                  will be deleted at stamping.

         */

        void displayParagraphIfPresent(@Nullable Object condition);

        /**

         * May be called to delete the table surrounding the commented paragraph, depending on the given boolean

         * condition.

         *

         * @param condition if true, the table row surrounding the commented paragraph will remain in the document. If

         *                  false, the table row

         *                  will be deleted at stamping.

         */

        void displayTableRowIf(Boolean condition);

        /**

         * May be called to delete the table surrounding the commented paragraph, depending on the given boolean

         * condition.

         *

         * @param condition if true, the table surrounding the commented paragraph will remain in the document. If

         *                  false, the table

         *                  will be deleted at stamping.

         */

        void displayTableIf(Boolean condition);

    }

    /**

     * TableResolver class.

     *

     * @author Joseph Verron

     * @version ${version}

     * @since 1.6.2

     */

    private static class TableResolver

            extends AbstractCommentProcessor

            implements ITableResolver {

        private final Function<Tbl, List<Object>> nullSupplier;

        private TableResolver(

                ParagraphPlaceholderReplacer placeholderReplacer,

                Function<Tbl, List<Object>> nullSupplier

        ) {

        /**

         * Generate a new {@link TableResolver} instance where value is replaced by an empty list when <code>null</code>

         *

         * @param pr a {@link PlaceholderReplacer} instance

         *

         * @return a new {@link TableResolver} instance

         */

        public static CommentProcessor newInstance(ParagraphPlaceholderReplacer pr) {

        }

        /**

         * {@inheritDoc}

         */

        @Override public void resolveTable(StampTable givenTable) {

        /**

         * {@inheritDoc}

         */

        @Override

        public void commitChanges(DocxPart document) {

                }

                else {

                }

        @Override public void commitChanges(WordprocessingMLPackage document) {

        }

        /**

         * {@inheritDoc}

         */

        @Override public void reset() {

        private void replaceTableInplace(Tbl wordTable, StampTable stampedTable) {

            else {

            }

        private void growAndFillRow(Tr row, List<String> values) {

            //Replace text in first cell

                //Copy the first cell and replace content for each remaining value

            }

        private Tr copyRowFromTemplate(Tr firstDataRow, List<String> rowContent) {

            }

        }

        private void setCellText(Tc tableCell, String content) {

    }

    /**

     * Processor that replaces the current run with the provided expression.

     * This is useful for replacing an expression in a comment with the result of the expression.

     *

     * @author Joseph Verron

     * @author Tom Hombergs

     * @version ${version}

     * @since 1.0.7

     */

    private static class ReplaceWithProcessor

            extends AbstractCommentProcessor

            implements IReplaceWithProcessor {

        private final Function<R, List<Object>> nullSupplier;

        private ReplaceWithProcessor(

                ParagraphPlaceholderReplacer placeholderReplacer, Function<R, List<Object>> nullSupplier

        ) {

        /**

         * Creates a new processor that replaces the current run with the result of the expression.

         *

         * @param pr the placeholder replacer to use

         *

         * @return the processor

         */

        public static CommentProcessor newInstance(ParagraphPlaceholderReplacer pr) {

        }

        /**

         * {@inheritDoc}

         */

        @Override

        public void commitChanges(DocxPart document) {

            // nothing to commit

        /**

         * {@inheritDoc}

         */

        @Override public void reset() {

            // nothing to reset

        /**

         * {@inheritDoc}

         */

        @Override public void replaceWordWith(@Nullable String expression) {

            }

            List<Object> target;

            }

            else {

            }

    }

    /**

     * This class is used to repeat paragraphs and tables.

     * <p>

     * It is used internally by the DocxStamper and should not be instantiated by

     * clients.

     *

     * @author Joseph Verron

     * @author Youssouf Naciri

     * @version ${version}

     * @since 1.2.2

     */

    private static class ParagraphRepeatProcessor

            extends AbstractCommentProcessor

            implements IParagraphRepeatProcessor {

        private final Supplier<? extends List<? extends P>> nullSupplier;

        /**

         * @param placeholderReplacer replaces placeholders with values

         * @param nullSupplier        supplies a list of paragraphs if the list of objects to repeat is null

         */

        private ParagraphRepeatProcessor(

                ParagraphPlaceholderReplacer placeholderReplacer,

                Supplier<? extends List<? extends P>> nullSupplier

        ) {

        /**

         * <p>newInstance.</p>

         *

         * @param placeholderReplacer replaces expressions with values

         *

         * @return a new instance of ParagraphRepeatProcessor

         */

        public static CommentProcessor newInstance(ParagraphPlaceholderReplacer placeholderReplacer) {

        }

        /**

         * {@inheritDoc}

         */

        @Override public void repeatParagraph(List<Object> objects) {

                // we need to clear the first paragraph's section break to be able to control how to repeat it

            }

        /**

         * Returns all paragraphs inside the comment of the given paragraph.

         * <p>

         * If the paragraph is not inside a comment, the given paragraph is returned.

         *

         * @param paragraph the paragraph to analyze

         *

         * @return all paragraphs inside the comment of the given paragraph

         */

        public static Deque<P> getParagraphsInsideComment(P paragraph) {

                    else {

                        }

                                }

                        }

                    }

                }

            }

        }

        /**

         * {@inheritDoc}

         */

        @Override

        public void commitChanges(DocxPart document) {

        private Deque<P> generateParagraphsToAdd(

                DocxPart document,

                Paragraphs paragraphs,

                Deque<Object> expressionContexts

        ) {

                        && expressionContext != lastExpressionContext

                        && paragraphToClone == lastParagraph) {

                    }

        }

        private static void restoreFirstSectionBreakIfNeeded(

                Paragraphs paragraphs, Deque<P> paragraphsToAdd

        ) {

            }

        /**

         * {@inheritDoc}

         */

        @Override public void reset() {

            Comment comment;

            Deque<Object> data;

            Deque<P> paragraphs;

            // hasOddSectionBreaks is true if the paragraphs to repeat contain an odd number of section breaks

            // changing the layout, false otherwise

            boolean hasOddSectionBreaks;

            // section break right before the first paragraph to repeat if present, or null

            SectPr sectionBreakBefore;

            // section break on the first paragraph to repeat if present, or null

            SectPr firstParagraphSectionBreak;

        }

    }

    /**

     * Walks through a document and replaces expressions with values from the given

     * expression context.

     * This walker only replaces expressions in paragraphs, not in tables.

     *

     * @author Joseph Verron

     * @version ${version}

     * @since 1.4.7

     */

    private static class ParagraphResolverDocumentWalker

            extends BaseDocumentWalker {

        private final Object expressionContext;

        private final DocxPart docxPart;

        private final ParagraphPlaceholderReplacer placeholderReplacer;

        /**

         * <p>Constructor for ParagraphResolverDocumentWalker.</p>

         *

         * @param rowClone          The row to start with

         * @param expressionContext The context of the expressions to resolve

         * @param replacer          The placeholderReplacer to use for resolving

         */

        public ParagraphResolverDocumentWalker(

                DocxPart docxPart,

                Tr rowClone,

                Object expressionContext,

                ParagraphPlaceholderReplacer replacer

        ) {

        /**

         * {@inheritDoc}

         */

        @Override protected void onParagraph(P paragraph) {

    }

    /**

     * This class is responsible for processing the <ds: repeat> tag.

     * It uses the {@link OfficeStamper} to stamp the sub document and then

     * copies the resulting sub document to the correct position in the

     * main document.

     *

     * @author Joseph Verron

     * @author Youssouf Naciri

     * @version ${version}

     * @since 1.3.0

     */

    private static class RepeatDocPartProcessor

            extends AbstractCommentProcessor

            implements IRepeatDocPartProcessor {

        private final OfficeStamper<WordprocessingMLPackage> stamper;

        private final Supplier<? extends List<?>> nullSupplier;

        private RepeatDocPartProcessor(

                ParagraphPlaceholderReplacer placeholderReplacer,

                OfficeStamper<WordprocessingMLPackage> stamper,

                Supplier<? extends List<?>> nullSupplier

        ) {

        /**

         * <p>newInstance.</p>

         *

         * @param pr      the placeholderReplacer

         * @param stamper the stamper

         *

         * @return a new instance of this processor

         */

        public static CommentProcessor newInstance(

                ParagraphPlaceholderReplacer pr, OfficeStamper<WordprocessingMLPackage> stamper

        ) {

        }

        /**

         * {@inheritDoc}