import org.apache.poi.POITextExtractor;
import org.apache.poi.hssf.extractor.EventBasedExcelExtractor;
import org.apache.poi.hssf.extractor.ExcelExtractor;
-import org.apache.poi.openxml4j.exceptions.OpenXML4JException;
import org.apache.poi.poifs.filesystem.DirectoryEntry;
import org.apache.poi.poifs.filesystem.DirectoryNode;
import org.apache.poi.poifs.filesystem.Entry;
import org.apache.poi.poifs.filesystem.NPOIFSFileSystem;
import org.apache.poi.poifs.filesystem.OPOIFSFileSystem;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
-import org.apache.xmlbeans.XmlException;
/**
* Figures out the correct POIOLE2TextExtractor for your supplied
return threadPreferEventExtractors.get();
}
- public static POIOLE2TextExtractor createExtractor(POIFSFileSystem fs) throws IOException, OpenXML4JException, XmlException {
+ public static POIOLE2TextExtractor createExtractor(POIFSFileSystem fs) throws IOException {
// Only ever an OLE2 one from the root of the FS
return (POIOLE2TextExtractor)createExtractor(fs.getRoot());
}
- public static POIOLE2TextExtractor createExtractor(NPOIFSFileSystem fs) throws IOException, OpenXML4JException, XmlException {
+ public static POIOLE2TextExtractor createExtractor(NPOIFSFileSystem fs) throws IOException {
// Only ever an OLE2 one from the root of the FS
return (POIOLE2TextExtractor)createExtractor(fs.getRoot());
}
- public static POIOLE2TextExtractor createExtractor(OPOIFSFileSystem fs) throws IOException, OpenXML4JException, XmlException {
+ public static POIOLE2TextExtractor createExtractor(OPOIFSFileSystem fs) throws IOException {
// Only ever an OLE2 one from the root of the FS
return (POIOLE2TextExtractor)createExtractor(fs.getRoot());
}
* {@link org.apache.poi.extractor.ExtractorFactory} for that.
*/
public static POITextExtractor createExtractor(DirectoryNode poifsDir)
- throws IOException, OpenXML4JException, XmlException
+ throws IOException
{
// Look for certain entries in the stream, to figure it
// out from
* {@link POITextExtractor} for each embedded file.
*/
public static POITextExtractor[] getEmbededDocsTextExtractors(POIOLE2TextExtractor ext)
- throws IOException, OpenXML4JException, XmlException
+ throws IOException
{
// All the embedded directories we spotted
ArrayList<Entry> dirs = new ArrayList<Entry>();
--- /dev/null
+/* ====================================================================
+ 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.extractor;
+
+import java.io.ByteArrayInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Iterator;
+
+import org.apache.poi.POIOLE2TextExtractor;
+import org.apache.poi.POITextExtractor;
+import org.apache.poi.hdgf.extractor.VisioTextExtractor;
+import org.apache.poi.hpbf.extractor.PublisherTextExtractor;
+import org.apache.poi.hslf.extractor.PowerPointExtractor;
+import org.apache.poi.hsmf.MAPIMessage;
+import org.apache.poi.hsmf.datatypes.AttachmentChunks;
+import org.apache.poi.hsmf.extractor.OutlookTextExtactor;
+import org.apache.poi.hwpf.OldWordFileFormatException;
+import org.apache.poi.hwpf.extractor.Word6Extractor;
+import org.apache.poi.hwpf.extractor.WordExtractor;
+import org.apache.poi.openxml4j.exceptions.OpenXML4JException;
+import org.apache.poi.poifs.filesystem.DirectoryEntry;
+import org.apache.poi.poifs.filesystem.DirectoryNode;
+import org.apache.poi.poifs.filesystem.Entry;
+import org.apache.xmlbeans.XmlException;
+
+/**
+ * Scratchpad-specific logic for {@link OLE2ExtractorFactory} and
+ * {@link ExtractorFactory}, which permit the other two to run with
+ * no Scratchpad jar (though without functionality!)
+ * <p>Note - should not be used standalone, always use via the other
+ * two classes</p>
+ */
+@SuppressWarnings("WeakerAccess")
+public class OLE2ScrachpadExtractorFactory {
+ /**
+ * Look for certain entries in the stream, to figure it
+ * out what format is desired
+ * Note - doesn't check for core-supported formats!
+ * Note - doesn't check for OOXML-supported formats
+ */
+ public static POITextExtractor createExtractor(DirectoryNode poifsDir) throws IOException,
+ OpenXML4JException, XmlException
+ {
+ if (poifsDir.hasEntry("WordDocument")) {
+ // Old or new style word document?
+ try {
+ return new WordExtractor(poifsDir);
+ } catch (OldWordFileFormatException e) {
+ return new Word6Extractor(poifsDir);
+ }
+ }
+
+ if (poifsDir.hasEntry("PowerPoint Document")) {
+ return new PowerPointExtractor(poifsDir);
+ }
+
+ if (poifsDir.hasEntry("VisioDocument")) {
+ return new VisioTextExtractor(poifsDir);
+ }
+
+ if (poifsDir.hasEntry("Quill")) {
+ return new PublisherTextExtractor(poifsDir);
+ }
+
+ final String[] outlookEntryNames = new String[] {
+ // message bodies, saved as plain text (PtypString)
+ // The first short (0x1000, 0x0047, 0x0037) refer to the Property ID (see [MS-OXPROPS].pdf)
+ // the second short (0x001e, 0x001f, 0x0102) refer to the type of data stored in this entry
+ // https://msdn.microsoft.com/endatatypes.Ex-us/library/cc433490(v=exchg.80).aspx
+ // @see org.apache.poi.hsmf.Types.MAPIType
+ "__substg1.0_1000001E", //PidTagBody ASCII
+ "__substg1.0_1000001F", //PidTagBody Unicode
+ "__substg1.0_0047001E", //PidTagMessageSubmissionId ASCII
+ "__substg1.0_0047001F", //PidTagMessageSubmissionId Unicode
+ "__substg1.0_0037001E", //PidTagSubject ASCII
+ "__substg1.0_0037001F", //PidTagSubject Unicode
+ };
+ for (String entryName : outlookEntryNames) {
+ if (poifsDir.hasEntry(entryName)) {
+ return new OutlookTextExtactor(poifsDir);
+ }
+ }
+
+ throw new IllegalArgumentException("No supported documents found in the OLE2 stream");
+ }
+
+ /**
+ * Returns an array of text extractors, one for each of
+ * the embedded documents in the file (if there are any).
+ * If there are no embedded documents, you'll get back an
+ * empty array. Otherwise, you'll get one open
+ * {@link POITextExtractor} for each embedded file.
+ */
+ public static void identifyEmbeddedResources(POIOLE2TextExtractor ext, ArrayList<Entry> dirs, ArrayList<InputStream> nonPOIFS) throws IOException {
+ // Find all the embedded directories
+ DirectoryEntry root = ext.getRoot();
+ if(root == null) {
+ throw new IllegalStateException("The extractor didn't know which POIFS it came from!");
+ }
+
+ if(ext instanceof WordExtractor) {
+ // These are in ObjectPool -> _... under the root
+ try {
+ DirectoryEntry op = (DirectoryEntry)
+ root.getEntry("ObjectPool");
+ Iterator<Entry> it = op.getEntries();
+ while(it.hasNext()) {
+ Entry entry = it.next();
+ if(entry.getName().startsWith("_")) {
+ dirs.add(entry);
+ }
+ }
+ } catch(FileNotFoundException e) {
+ // ignored here
+ }
+ //} else if(ext instanceof PowerPointExtractor) {
+ // Tricky, not stored directly in poifs
+ // TODO
+ } else if(ext instanceof OutlookTextExtactor) {
+ // Stored in the Attachment blocks
+ MAPIMessage msg = ((OutlookTextExtactor)ext).getMAPIMessage();
+ for(AttachmentChunks attachment : msg.getAttachmentFiles()) {
+ if(attachment.attachData != null) {
+ byte[] data = attachment.attachData.getValue();
+ nonPOIFS.add( new ByteArrayInputStream(data) );
+ } else if(attachment.attachmentDirectory != null) {
+ dirs.add(attachment.attachmentDirectory.getDirectory());
+ }
+ }
+ }
+ }
+}
projects / poi.git / commitdiff