VamsasArchive tested. Locked IO routines to be implemented in ArchiveFile

[vamsas.git] / src / org / vamsas / client / simpleclient / VamsasArchiveReader.java

diff --git a/src/org/vamsas/client/simpleclient/VamsasArchiveReader.java b/src/org/vamsas/client/simpleclient/VamsasArchiveReader.java
index b00ebce..3b03137 100644 (file)
--- a/src/org/vamsas/client/simpleclient/VamsasArchiveReader.java
+++ b/src/org/vamsas/client/simpleclient/VamsasArchiveReader.java
@@ -3,6 +3,7 @@ package org.vamsas.client.simpleclient;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.RandomAccessFile;
 import java.util.Enumeration;
 import java.util.Iterator;
 import java.util.Vector;
@@ -23,6 +24,9 @@ import org.apache.commons.logging.LogFactory;
 public class VamsasArchiveReader {
   private static Log log = LogFactory.getLog(VamsasArchiveReader.class);
   JarFile jfile;
+  boolean stream=false; // true if we are seeking on the stream.
+  RandomAccessFile rfile; 
+  JarInputStream jstream;
   public VamsasArchiveReader(File vamsasfile) {
     jfile=null;
     if (vamsasfile.exists()) {
@@ -36,6 +40,21 @@ public class VamsasArchiveReader {
     
   }
   /**
+   * in an ideal world - this constructor will create a reader object
+   * for the locked file's random access stream.
+   * 
+   * @param vamsaslock
+   */
+  public VamsasArchiveReader(Lock vamsaslock) {
+    rfile = vamsaslock.rafile;
+    stream = true;
+    // TODO: Implement stream based JarFile access
+    log.error("NOT IMPLEMENTED STREAM-BASED JAR ACCESS");
+    throw new Error("Can't access a locked VamsasArchive file as a random access stream yet.");
+    // rfile.seek(0);
+    
+  }
+  /**
    * the vamsas document version(s) handled by this Reader
    */
   final public static String DOCUMENT_VERSION="0.1";