From 85e574618b04a34d5e41444d17ce7e6d5a93cc5b Mon Sep 17 00:00:00 2001
From: netconomy <netconomy@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Thu, 6 Sep 2007 12:18:45 +0000
Subject: =?UTF-8?q?Streaming=20R=C3=BCckbau?=
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git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@210 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 .../java/at/gv/egiz/pdfas/framework/input/DataSource.java | 15 +++++++++++++++
 .../java/at/gv/egiz/pdfas/framework/output/DataSink.java  |  4 ++++
 2 files changed, 19 insertions(+)

(limited to 'src/main/java/at/gv/egiz/pdfas/framework')

diff --git a/src/main/java/at/gv/egiz/pdfas/framework/input/DataSource.java b/src/main/java/at/gv/egiz/pdfas/framework/input/DataSource.java
index 265cb0c..fcf55b8 100644
--- a/src/main/java/at/gv/egiz/pdfas/framework/input/DataSource.java
+++ b/src/main/java/at/gv/egiz/pdfas/framework/input/DataSource.java
@@ -32,4 +32,19 @@ public interface DataSource
    */
   public int getLength();
 
+  /**
+   * Returns the data of this DataSource as a byte array.
+   * 
+   * <p>
+   * Calling this method indicates that you need a byte array for random <strong>read</strong> access.
+   * The DataSource implementation should of course cache this byte array to avoid too much memory usage.
+   * </p>
+   * <p>
+   * Performance analysis has shown that the libraries internally convert the streams to byte arrays and
+   * that file system access is very slow.
+   * </p>
+   * 
+   * @return
+   */
+  public byte [] getAsByteArray();
 }
diff --git a/src/main/java/at/gv/egiz/pdfas/framework/output/DataSink.java b/src/main/java/at/gv/egiz/pdfas/framework/output/DataSink.java
index d7d0cc4..595df52 100644
--- a/src/main/java/at/gv/egiz/pdfas/framework/output/DataSink.java
+++ b/src/main/java/at/gv/egiz/pdfas/framework/output/DataSink.java
@@ -12,4 +12,8 @@ public interface DataSink
   public OutputStream createOutputStream(String mimeType);
 
   public OutputStream createOutputStream(String mimeType, String characterEncoding);
+
+  public String getMimeType();
+
+  public String getCharacterEncoding();
 }
-- 
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