Move location where document is held and adjust constructors and class-hierarchy accordingly

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1679903 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/POIOLE2TextExtractor.java

@@ -33,13 +33,25 @@ import org.apache.poi.poifs.filesystem.DirectoryEntry;
  * @see org.apache.poi.hwpf.extractor.WordExtractor
  */
 public abstract class POIOLE2TextExtractor extends POITextExtractor {
+	/** The POIDocument that's open */
+	protected POIDocument document;
+
 	/**
 	 * Creates a new text extractor for the given document
 	 * 
 	 * @param document The POIDocument to use in this extractor.
 	 */
 	public POIOLE2TextExtractor(POIDocument document) {
-		super(document);
+		this.document = document;
+	}
+
+	/**
+	 * Creates a new text extractor, using the same
+	 *  document as another text extractor. Normally
+	 *  only used by properties extractors.
+	 */
+	protected POIOLE2TextExtractor(POIOLE2TextExtractor otherExtractor) {
+		this.document = otherExtractor.document;
 	}
 	
 	/**

src/java/org/apache/poi/POITextExtractor.java

@@ -31,24 +31,6 @@ import java.io.IOException;
  * @see org.apache.poi.hwpf.extractor.WordExtractor
  */
 public abstract class POITextExtractor implements Closeable {
-	/** The POIDocument that's open */
-	protected POIDocument document;
-
-	/**
-	 * Creates a new text extractor for the given document
-	 */
-	public POITextExtractor(POIDocument document) {
-		this.document = document;
-	}
-	/**
-	 * Creates a new text extractor, using the same
-	 *  document as another text extractor. Normally
-	 *  only used by properties extractors.
-	 */
-	protected POITextExtractor(POITextExtractor otherExtractor) {
-		this.document = otherExtractor.document;
-	}
-	
 	/**
 	 * Retrieves all the text from the document.
 	 * How cells, paragraphs etc are separated in the text

src/java/org/apache/poi/hpsf/extractor/HPSFPropertiesExtractor.java

@@ -23,6 +23,7 @@ import java.io.IOException;
 import java.util.Iterator;
 
 import org.apache.poi.POIDocument;
+import org.apache.poi.POIOLE2TextExtractor;
 import org.apache.poi.POITextExtractor;
 import org.apache.poi.hpsf.CustomProperties;
 import org.apache.poi.hpsf.DocumentSummaryInformation;
@@ -39,10 +40,10 @@ import org.apache.poi.poifs.filesystem.POIFSFileSystem;
  *  build in and custom, returning them in
  *  textual form.
  */
-public class HPSFPropertiesExtractor extends POITextExtractor {
+public class HPSFPropertiesExtractor extends POIOLE2TextExtractor {
     private Closeable toClose;
 
-    public HPSFPropertiesExtractor(POITextExtractor mainExtractor) {
+    public HPSFPropertiesExtractor(POIOLE2TextExtractor mainExtractor) {
         super(mainExtractor);
     }
     public HPSFPropertiesExtractor(POIDocument doc) {

src/java/org/apache/poi/hssf/extractor/EventBasedExcelExtractor.java

@@ -21,6 +21,7 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.apache.poi.POIDocument;
 import org.apache.poi.POIOLE2TextExtractor;
 import org.apache.poi.hpsf.DocumentSummaryInformation;
 import org.apache.poi.hpsf.SummaryInformation;
@@ -75,7 +76,7 @@ public class EventBasedExcelExtractor extends POIOLE2TextExtractor implements or
 
     public EventBasedExcelExtractor( DirectoryNode dir )
     {
-        super( null );
+        super( (POIDocument)null );
         _dir = dir;
     }
 

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

@@ -32,8 +32,6 @@ public abstract class POIXMLTextExtractor extends POITextExtractor {
 	 * Creates a new text extractor for the given document
 	 */
 	public POIXMLTextExtractor(POIXMLDocument document) {
-		super((POIDocument)null);
-
 		_document = document;
 	}