Patch from Yury from bug #45018 - Support for fetching embeded documents from within an OOXML files

git-svn-id: https://svn.apache.org/repos/asf/poi/branches/ooxml@659564 13f79535-47bb-0310-9956-ffa450edef68

build.xml

@@ -562,6 +562,7 @@ under the License.
         <uptodate property="main.test.notRequired" targetfile="${main.testokfile}">
             <srcfiles dir="${main.src}"/>
             <srcfiles dir="${main.src.test}"/>
+            <srcfiles dir="${ooxml.src}"/>
         </uptodate>
     </target>
 

src/documentation/content/xdocs/changes.xml

@@ -37,6 +37,7 @@
 
 		<!-- Don't forget to update status.xml too! -->
         <release version="3.5.1-alpha1" date="2008-04-??">
+           <action dev="POI-DEVELOPERS" type="add">45018 - Support for fetching embeded documents from within an OOXML file</action>
            <action dev="POI-DEVELOPERS" type="add">Port support for setting a policy on missing / blank cells when fetching, to XSSF too</action>
            <action dev="POI-DEVELOPERS" type="add">Common text extraction factory, which returns the correct POITextExtractor for the supplied data</action>
            <action dev="POI-DEVELOPERS" type="add">Text Extraction support for the new OOXML files (.xlsx, .docx and .pptx)</action>

src/documentation/content/xdocs/status.xml

@@ -34,6 +34,7 @@
 	<!-- Don't forget to update changes.xml too! -->
     <changes>
         <release version="3.5.1-alpha1" date="2008-04-??">
+           <action dev="POI-DEVELOPERS" type="add">45018 - Support for fetching embeded documents from within an OOXML file</action>
            <action dev="POI-DEVELOPERS" type="add">Port support for setting a policy on missing / blank cells when fetching, to XSSF too</action>
            <action dev="POI-DEVELOPERS" type="add">Common text extraction factory, which returns the correct POITextExtractor for the supplied data</action>
            <action dev="POI-DEVELOPERS" type="add">Text Extraction support for the new OOXML files (.xlsx, .docx and .pptx)</action>

src/ooxml/java/org/apache/poi/POIXMLDocument.java

@@ -19,6 +19,8 @@ package org.apache.poi;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.PushbackInputStream;
+import java.util.LinkedList;
+import java.util.List;
 
 import org.apache.poi.poifs.common.POIFSConstants;
 import org.apache.poi.util.IOUtils;
@@ -39,6 +41,8 @@ public abstract class POIXMLDocument {
     
     public static final String EXTENDED_PROPERTIES_REL_TYPE = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties";
     
+    public static final String OLE_OBJECT_REL_TYPE="http://schemas.openxmlformats.org/officeDocument/2006/relationships/oleObject";
+    
     /** The OPC Package */
     private Package pkg;
 
@@ -50,6 +54,10 @@ public abstract class POIXMLDocument {
      */
     private POIXMLProperties properties;
     
+	/**
+	 * The embedded OLE2 files in the OPC package
+	 */
+    private List<PackagePart> embedds;
     
     protected POIXMLDocument() {}
     
@@ -62,6 +70,12 @@ public abstract class POIXMLDocument {
 	    
 	        // Get core part
 	        this.corePart = this.pkg.getPart(coreDocRelationship);
+	        
+			// Get any embedded OLE2 documents
+	        this.embedds = new LinkedList<PackagePart>();
+	        for(PackageRelationship rel : corePart.getRelationshipsByType(OLE_OBJECT_REL_TYPE)) {
+	            embedds.add(getTargetPart(rel));
+	        }
         } catch (OpenXML4JException e) {
             throw new IOException(e.toString());
     	}
@@ -190,4 +204,12 @@ public abstract class POIXMLDocument {
 		}
 		return properties;
 	}
+	
+    /**
+     * Get the document's embedded files.
+     */
+    public List<PackagePart> getAllEmbedds() throws OpenXML4JException
+    {
+        return embedds;
+    }
 }

src/ooxml/java/org/apache/poi/POIXMLTextExtractor.java

@@ -47,4 +47,11 @@ public abstract class POIXMLTextExtractor extends POITextExtractor {
 	public ExtendedProperties getExtendedProperties() throws IOException, OpenXML4JException, XmlException {
 		return document.getProperties().getExtendedProperties();
 	}
+
+	/**
+	 * Returns opened document 
+	 */
+	public POIXMLDocument getDocument(){
+	    return document;
+	}
 }

src/ooxml/java/org/apache/poi/xwpf/extractor/XWPFWordExtractor.java

@@ -58,7 +58,7 @@ public class XWPFWordExtractor extends POIXMLTextExtractor {
 	public static void main(String[] args) throws Exception {
 		if(args.length < 1) {
 			System.err.println("Use:");
-			System.err.println("  HXFWordExtractor <filename.xlsx>");
+			System.err.println("  HXFWordExtractor <filename.docx>");
 			System.exit(1);
 		}
 		POIXMLTextExtractor extractor =