1 files changed, 85 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/input/ByteArrayPdfDataSourceImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/input/ByteArrayPdfDataSourceImpl.java
new file mode 100644
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+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/impl/input/ByteArrayPdfDataSourceImpl.java
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+/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+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;
+  
+  public ByteArrayPdfDataSourceImpl(byte[] pdf)
+  {
+    PerformanceCounters.byteArrays.increment();
+
+    this.pdf = pdf;
+  }
+
+  public ByteArrayPdfDataSourceImpl(byte[] pdf, int length)
+  {
+    PerformanceCounters.byteArrays.increment();
+
+    if (pdf.length == length)
+    {
+      this.pdf = pdf;
+    }
+    else
+    {
+      this.pdf = new byte [length];
+      System.arraycopy(pdf, 0, this.pdf, 0, length);
+    }
+  }
+
+
+  public InputStream createInputStream()
+  {
+    ByteArrayInputStream bais = new ByteArrayInputStream(this.pdf);
+    return bais;
+  }
+
+  public int getLength()
+  {
+    return this.pdf.length;
+  }
+
+  public byte[] getAsByteArray()
+  {
+    return this.pdf;
+  }
+  
+}