1 files changed, 145 insertions, 0 deletions
diff --git a/ooxml/source/framework/JavaPartManager/src/org/apache/openoffice/ooxml/framework/part/PartManager.java b/ooxml/source/framework/JavaPartManager/src/org/apache/openoffice/ooxml/framework/part/PartManager.java
new file mode 100644
index 000000000000..c61f16572487
--- /dev/null
+++ b/ooxml/source/framework/JavaPartManager/src/org/apache/openoffice/ooxml/framework/part/PartManager.java
@@ -0,0 +1,145 @@
+package org.apache.openoffice.ooxml.framework.part;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.ref.SoftReference;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Vector;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+public class PartManager
+{
+    public PartManager (final File aFile)
+    {
+        ZipFile aZipFile = null;
+        try
+        {
+            aZipFile = new ZipFile(aFile);
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace();
+        }
+        maZipFile = aZipFile;
+        maPartNameToPartMap = new HashMap<>();
+    }
+
+
+
+
+    public InputStream getStreamForPartName (final PartName aPartName)
+    {
+        final ZipEntry aEntry = maZipFile.getEntry(
+            ToZipEntryName(aPartName.GetFullname()));
+        if (aEntry == null)
+            return null;
+
+        try
+        {
+            return maZipFile.getInputStream(aEntry);
+        }
+        catch (IOException e)
+        {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+
+
+
+    /** This is the low-level variant of getStreamForPartName().
+     *  It can return streams for entries in the OOXML zip package
+     *  that are not, technically, parts.
+     *  @return
+     *      Returns null when the named stream does not exist or can not be
+     *      opened.
+     */
+    public InputStream getStreamForStreamName (final String sStreamName)
+    {
+        final ZipEntry aEntry = maZipFile.getEntry(
+            ToZipEntryName(sStreamName));
+        try
+        {
+            return maZipFile.getInputStream(aEntry);
+        }
+        catch (IOException e)
+        {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+
+
+
+    public ContentTypes getContentTypes ()
+    {
+        if (maContentTypes == null)
+        {
+            maContentTypes = new ContentTypes(this);
+        }
+        return maContentTypes;
+    }
+
+
+
+
+    private final String ToZipEntryName (final String sPath)
+    {
+        return sPath.substring(1);
+    }
+
+
+
+
+    /** Return a list of the names of all streams.
+     *  Note that that list is not necessarily identical to the list of part
+     *  names.  It can contain entries that are not parts.
+     */
+    public final String[] listStreamNames ()
+    {
+        final Vector<String> aStreamNames =  new Vector<>();
+
+        final Enumeration<? extends ZipEntry> aEntries = maZipFile.entries();
+        while (aEntries.hasMoreElements())
+        {
+            final ZipEntry aEntry = aEntries.nextElement();
+            aStreamNames.add(aEntry.getName());
+        }
+
+        return aStreamNames.toArray(new String[0]);
+    }
+
+
+
+
+    public Part getPart (final PartName aName)
+    {
+        SoftReference<Part> aSoftPart = maPartNameToPartMap.get(aName);
+        Part aPart = null;
+        if (aSoftPart != null)
+            aPart = aSoftPart.get();
+        if (aPart == null)
+        {
+            aPart = new Part(
+                getContentTypes().getTypeForPartName(aName),
+                this,
+                aName);
+            maPartNameToPartMap.put(aName, new SoftReference<Part>(aPart));
+        }
+
+        return aPart;
+    }
+
+
+
+
+    private ZipFile maZipFile;
+    private ContentTypes maContentTypes;
+    private final Map<PartName, SoftReference<Part>> maPartNameToPartMap;
+}