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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;
import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
import org.apache.poi.openxml4j.opc.internal.PackagePropertiesPart;
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 extends POIXMLTextExtractor {
/**
* Creates a new POIXMLPropertiesTextExtractor for the
* given open document.
*/
public POIXMLPropertiesTextExtractor(POIXMLDocument doc) {
super(doc);
}
/**
* Creates a new POIXMLPropertiesTextExtractor, for the
* same file that another TextExtractor is already
* working on.
*/
public POIXMLPropertiesTextExtractor(POIXMLTextExtractor otherExtractor) {
super(otherExtractor.getDocument());
}
private void appendIfPresent(StringBuffer text, String thing, boolean value) {
appendIfPresent(text, thing, Boolean.toString(value));
}
private void appendIfPresent(StringBuffer text, String thing, int value) {
appendIfPresent(text, thing, Integer.toString(value));
}
private void appendIfPresent(StringBuffer text, String thing, Date value) {
if(value == null) { return; }
appendIfPresent(text, thing, value.toString());
}
private void appendIfPresent(StringBuffer 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
*/
public String getCorePropertiesText() {
StringBuffer text = new StringBuffer();
PackagePropertiesPart props =
getDocument().getProperties().getCoreProperties().getUnderlyingProperties();
appendIfPresent(text, "Category", props.getCategoryProperty().getValue());
appendIfPresent(text, "Category", props.getCategoryProperty().getValue());
appendIfPresent(text, "ContentStatus", props.getContentStatusProperty().getValue());
appendIfPresent(text, "ContentType", props.getContentTypeProperty().getValue());
appendIfPresent(text, "Created", props.getCreatedProperty().getValue());
appendIfPresent(text, "CreatedString", props.getCreatedPropertyString());
appendIfPresent(text, "Creator", props.getCreatorProperty().getValue());
appendIfPresent(text, "Description", props.getDescriptionProperty().getValue());
appendIfPresent(text, "Identifier", props.getIdentifierProperty().getValue());
appendIfPresent(text, "Keywords", props.getKeywordsProperty().getValue());
appendIfPresent(text, "Language", props.getLanguageProperty().getValue());
appendIfPresent(text, "LastModifiedBy", props.getLastModifiedByProperty().getValue());
appendIfPresent(text, "LastPrinted", props.getLastPrintedProperty().getValue());
appendIfPresent(text, "LastPrintedString", props.getLastPrintedPropertyString());
appendIfPresent(text, "Modified", props.getModifiedProperty().getValue());
appendIfPresent(text, "ModifiedString", props.getModifiedPropertyString());
appendIfPresent(text, "Revision", props.getRevisionProperty().getValue());
appendIfPresent(text, "Subject", props.getSubjectProperty().getValue());
appendIfPresent(text, "Title", props.getTitleProperty().getValue());
appendIfPresent(text, "Version", props.getVersionProperty().getValue());
return text.toString();
}
/**
* Returns the extended document properties, eg
* application
*/
public String getExtendedPropertiesText() {
StringBuffer text = new StringBuffer();
org.openxmlformats.schemas.officeDocument.x2006.extendedProperties.CTProperties
props = getDocument().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
*/
public String getCustomPropertiesText() {
StringBuffer text = new StringBuffer();
org.openxmlformats.schemas.officeDocument.x2006.customProperties.CTProperties
props = getDocument().getProperties().getCustomProperties().getUnderlyingProperties();
List properties = props.getPropertyList();
for(CTProperty property : properties) {
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() +
" = " + val + "\n"
);
}
return text.toString();
}
public String getText() {
try {
return
getCorePropertiesText() +
getExtendedPropertiesText() +
getCustomPropertiesText();
} catch(Exception e) {
throw new RuntimeException(e);
}
}
public POIXMLPropertiesTextExtractor getMetadataTextExtractor() {
throw new IllegalStateException("You already have the Metadata Text Extractor, not recursing!");
}
}
