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- /* ====================================================================
- 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 org.apache.poi.ooxml.extractor;
-
- import java.math.BigDecimal;
- import java.text.DateFormat;
- import java.text.DateFormatSymbols;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- import java.util.Locale;
- import java.util.Optional;
-
- import org.apache.poi.extractor.POITextExtractor;
- import org.apache.poi.ooxml.POIXMLDocument;
- import org.apache.poi.openxml4j.opc.internal.PackagePropertiesPart;
- import org.apache.poi.util.LocaleUtil;
- import org.openxmlformats.schemas.officeDocument.x2006.customProperties.CTProperty;
-
- /**
- * A {@link POITextExtractor} for returning the textual
- * content of the OOXML file properties, eg author
- * and title.
- */
- public class POIXMLPropertiesTextExtractor implements POIXMLTextExtractor {
- private final POIXMLDocument doc;
- private final DateFormat dateFormat;
- private boolean doCloseFilesystem = true;
-
- /**
- * Creates a new POIXMLPropertiesTextExtractor for the given open document.
- *
- * @param doc the given open document
- */
- public POIXMLPropertiesTextExtractor(POIXMLDocument doc) {
- this.doc = doc;
- DateFormatSymbols dfs = DateFormatSymbols.getInstance(Locale.ROOT);
- dateFormat = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy", dfs);
- dateFormat.setTimeZone(LocaleUtil.TIMEZONE_UTC);
- }
-
- /**
- * Creates a new POIXMLPropertiesTextExtractor, for the
- * same file that another TextExtractor is already
- * working on.
- *
- * @param otherExtractor the extractor referencing the given file
- */
- public POIXMLPropertiesTextExtractor(POIXMLTextExtractor otherExtractor) {
- this(otherExtractor.getDocument());
- }
-
- private void appendIfPresent(StringBuilder text, String thing, boolean value) {
- appendIfPresent(text, thing, Boolean.toString(value));
- }
-
- private void appendIfPresent(StringBuilder text, String thing, int value) {
- appendIfPresent(text, thing, Integer.toString(value));
- }
-
- private void appendDateIfPresent(StringBuilder text, String thing, Optional<Date> value) {
- if (!value.isPresent()) {
- return;
- }
- appendIfPresent(text, thing, dateFormat.format(value.get()));
- }
-
- private void appendIfPresent(StringBuilder text, String thing, Optional<String> value) {
- if (!value.isPresent()) {
- return;
- }
- appendIfPresent(text, thing, value.get());
- }
-
- private void appendIfPresent(StringBuilder text, String thing, String value) {
- if (value == null) {
- return;
- }
- text.append(thing);
- text.append(" = ");
- text.append(value);
- text.append('\n');
- }
-
- /**
- * Returns the core document properties, eg author
- *
- * @return the core document properties
- */
- @SuppressWarnings("resource")
- public String getCorePropertiesText() {
- POIXMLDocument document = getDocument();
- if (document == null) { // event based extractor does not have a document
- return "";
- }
-
- StringBuilder text = new StringBuilder(64);
- PackagePropertiesPart props =
- document.getProperties().getCoreProperties().getUnderlyingProperties();
-
- appendIfPresent(text, "Category", props.getCategoryProperty());
- appendIfPresent(text, "Category", props.getCategoryProperty());
- appendIfPresent(text, "ContentStatus", props.getContentStatusProperty());
- appendIfPresent(text, "ContentType", props.getContentTypeProperty());
- appendDateIfPresent(text, "Created", props.getCreatedProperty());
- appendIfPresent(text, "CreatedString", props.getCreatedPropertyString());
- appendIfPresent(text, "Creator", props.getCreatorProperty());
- appendIfPresent(text, "Description", props.getDescriptionProperty());
- appendIfPresent(text, "Identifier", props.getIdentifierProperty());
- appendIfPresent(text, "Keywords", props.getKeywordsProperty());
- appendIfPresent(text, "Language", props.getLanguageProperty());
- appendIfPresent(text, "LastModifiedBy", props.getLastModifiedByProperty());
- appendDateIfPresent(text, "LastPrinted", props.getLastPrintedProperty());
- appendIfPresent(text, "LastPrintedString", props.getLastPrintedPropertyString());
- appendDateIfPresent(text, "Modified", props.getModifiedProperty());
- appendIfPresent(text, "ModifiedString", props.getModifiedPropertyString());
- appendIfPresent(text, "Revision", props.getRevisionProperty());
- appendIfPresent(text, "Subject", props.getSubjectProperty());
- appendIfPresent(text, "Title", props.getTitleProperty());
- appendIfPresent(text, "Version", props.getVersionProperty());
-
- return text.toString();
- }
-
- /**
- * Returns the extended document properties, eg application
- *
- * @return the extended document properties
- */
- @SuppressWarnings("resource")
- public String getExtendedPropertiesText() {
- POIXMLDocument document = getDocument();
- if (document == null) { // event based extractor does not have a document
- return "";
- }
-
- StringBuilder text = new StringBuilder(64);
- org.openxmlformats.schemas.officeDocument.x2006.extendedProperties.CTProperties
- props = document.getProperties().getExtendedProperties().getUnderlyingProperties();
-
- appendIfPresent(text, "Application", props.getApplication());
- appendIfPresent(text, "AppVersion", props.getAppVersion());
- appendIfPresent(text, "Characters", props.getCharacters());
- appendIfPresent(text, "CharactersWithSpaces", props.getCharactersWithSpaces());
- appendIfPresent(text, "Company", props.getCompany());
- appendIfPresent(text, "HyperlinkBase", props.getHyperlinkBase());
- appendIfPresent(text, "HyperlinksChanged", props.getHyperlinksChanged());
- appendIfPresent(text, "Lines", props.getLines());
- appendIfPresent(text, "LinksUpToDate", props.getLinksUpToDate());
- appendIfPresent(text, "Manager", props.getManager());
- appendIfPresent(text, "Pages", props.getPages());
- appendIfPresent(text, "Paragraphs", props.getParagraphs());
- appendIfPresent(text, "PresentationFormat", props.getPresentationFormat());
- appendIfPresent(text, "Template", props.getTemplate());
- appendIfPresent(text, "TotalTime", props.getTotalTime());
-
- return text.toString();
- }
-
- /**
- * Returns the custom document properties, if there are any
- *
- * @return the custom document properties
- */
- @SuppressWarnings({"resource"})
- public String getCustomPropertiesText() {
- POIXMLDocument document = getDocument();
- if (document == null) { // event based extractor does not have a document
- return "";
- }
-
- StringBuilder text = new StringBuilder();
- org.openxmlformats.schemas.officeDocument.x2006.customProperties.CTProperties
- props = document.getProperties().getCustomProperties().getUnderlyingProperties();
-
- for (CTProperty property : props.getPropertyList()) {
- String val = "(not implemented!)";
-
- if (property.isSetLpwstr()) {
- val = property.getLpwstr();
- } else if (property.isSetLpstr()) {
- val = property.getLpstr();
- } else if (property.isSetDate()) {
- val = property.getDate().toString();
- } else if (property.isSetFiletime()) {
- val = property.getFiletime().toString();
- } else if (property.isSetBool()) {
- val = Boolean.toString(property.getBool());
- }
-
- // Integers
- else if (property.isSetI1()) {
- val = Integer.toString(property.getI1());
- } else if (property.isSetI2()) {
- val = Integer.toString(property.getI2());
- } else if (property.isSetI4()) {
- val = Integer.toString(property.getI4());
- } else if (property.isSetI8()) {
- val = Long.toString(property.getI8());
- } else if (property.isSetInt()) {
- val = Integer.toString(property.getInt());
- }
-
- // Unsigned Integers
- else if (property.isSetUi1()) {
- val = Integer.toString(property.getUi1());
- } else if (property.isSetUi2()) {
- val = Integer.toString(property.getUi2());
- } else if (property.isSetUi4()) {
- val = Long.toString(property.getUi4());
- } else if (property.isSetUi8()) {
- val = property.getUi8().toString();
- } else if (property.isSetUint()) {
- val = Long.toString(property.getUint());
- }
-
- // Reals
- else if (property.isSetR4()) {
- val = Float.toString(property.getR4());
- } else if (property.isSetR8()) {
- val = Double.toString(property.getR8());
- } else if (property.isSetDecimal()) {
- BigDecimal d = property.getDecimal();
- if (d == null) {
- val = null;
- } else {
- val = d.toPlainString();
- }
- }
-
- /*else if (property.isSetArray()) {
- // TODO Fetch the array values and output
- }
- else if (property.isSetVector()) {
- // TODO Fetch the vector values and output
- }
-
- else if (property.isSetBlob() || property.isSetOblob()) {
- // TODO Decode, if possible
- }
- else if (property.isSetStream() || property.isSetOstream() ||
- property.isSetVstream()) {
- // TODO Decode, if possible
- }
- else if (property.isSetStorage() || property.isSetOstorage()) {
- // TODO Decode, if possible
- }*/
-
- text.append(property.getName()).append(" = ").append(val).append("\n");
- }
-
- return text.toString();
- }
-
- @Override
- public String getText() {
- try {
- return
- getCorePropertiesText() +
- getExtendedPropertiesText() +
- getCustomPropertiesText();
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- }
-
- @Override
- public POIXMLPropertiesTextExtractor getMetadataTextExtractor() {
- throw new IllegalStateException("You already have the Metadata Text Extractor, not recursing!");
- }
-
- @Override
- public POIXMLDocument getDocument() {
- return doc;
- }
-
- @Override
- public void setCloseFilesystem(boolean doCloseFilesystem) {
- this.doCloseFilesystem = doCloseFilesystem;
- }
-
- @Override
- public boolean isCloseFilesystem() {
- return doCloseFilesystem;
- }
-
- @Override
- public POIXMLDocument getFilesystem() {
- return null;
- }
- }
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