1 files changed, 88 insertions, 0 deletions
diff --git a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/PDFFileDocumentSource.java b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/PDFFileDocumentSource.java
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+++ b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/PDFFileDocumentSource.java
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+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * 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://joinup.ec.europa.eu/software/page/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.
+ */
+package at.asit.pdfover.signer;
+
+// Imports
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ *
+ */
+public class PDFFileDocumentSource implements DocumentSource {
+	/**
+	 * SLF4J Logger instance
+	 **/
+	private static final Logger log = LoggerFactory.getLogger(PDFFileDocumentSource.class);
+
+	private File file;
+
+	private byte[] data = null;
+
+	private int len = 0;
+
+	/**
+	 * Default constructor
+	 * @param file
+	 */
+	public PDFFileDocumentSource(File file) {
+		this.file = file;
+	}
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.signator.DocumentSource#getInputStream()
+	 */
+	@Override
+	public InputStream getInputStream() throws IOException {
+		return new FileInputStream(this.file);
+	}
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.signator.DocumentSource#getLength()
+	 */
+	@Override
+	public int getLength() {
+		if(this.file.length() > Integer.MAX_VALUE) {
+			log.error("File size to big!" + this.file.length());
+		}
+		this.len = (int) this.file.length();
+		return this.len;
+	}
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.signator.DocumentSource#getByteArray()
+	 */
+	@Override
+	public byte[] getByteArray() {
+		if(this.data == null) {
+			try {
+				InputStream stream = this.getInputStream();
+				this.data = new byte[this.getLength()];
+				stream.read(this.data);
+				stream.close();
+			} catch(IOException ex) {
+				log.error("Failed to read file!", ex);
+			}
+		}
+		return this.data;
+	}
+
+}