1 files changed, 56 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/impl/input/ByteArrayPdfDataSourceImpl.java b/src/main/java/at/gv/egiz/pdfas/impl/input/ByteArrayPdfDataSourceImpl.java
new file mode 100644
index 0000000..0d27781
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/impl/input/ByteArrayPdfDataSourceImpl.java
@@ -0,0 +1,56 @@
+/**
+ * 
+ */
+package at.gv.egiz.pdfas.impl.input;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+
+import at.gv.egiz.pdfas.performance.PerformanceCounters;
+import at.gv.egiz.pdfas.framework.input.PdfDataSource;
+
+/**
+ * Implements a PdfDataSource that holds the whole PDF document in a byte array.
+ * 
+ * <p>
+ * Note that holding the data in a byte array is very memory consuming for large
+ * documents.
+ * </p>
+ * 
+ * @author wprinz
+ */
+public class ByteArrayPdfDataSourceImpl implements PdfDataSource
+{
+  protected byte[] pdf = null;
+  
+  protected int length = -1;
+
+  public ByteArrayPdfDataSourceImpl(byte[] pdf)
+  {
+    PerformanceCounters.byteArrays.increment();
+
+    this.pdf = pdf;
+    this.length = pdf.length;
+  }
+
+  public ByteArrayPdfDataSourceImpl(byte[] pdf, int length)
+  {
+    PerformanceCounters.byteArrays.increment();
+
+    this.pdf = pdf;
+    this.length = length;
+  }
+
+
+  public InputStream createInputStream()
+  {
+    ByteArrayInputStream bais = new ByteArrayInputStream(this.pdf, 0, this.length);
+    return bais;
+  }
+
+  public int getLength()
+  {
+    return this.length;
+  }
+
+}