From 4e14449c2d0097e421bedc5f01647c8b09f1c49c Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Wed, 2 Oct 2013 11:29:09 +0200
Subject: Initial legacy API checkin

---
 .../java/at/gv/egiz/pdfas/api/io/DataSink.java     | 98 ++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 pdf-as-legacy/src/main/java/at/gv/egiz/pdfas/api/io/DataSink.java

(limited to 'pdf-as-legacy/src/main/java/at/gv/egiz/pdfas/api/io/DataSink.java')

diff --git a/pdf-as-legacy/src/main/java/at/gv/egiz/pdfas/api/io/DataSink.java b/pdf-as-legacy/src/main/java/at/gv/egiz/pdfas/api/io/DataSink.java
new file mode 100644
index 00000000..a539ce03
--- /dev/null
+++ b/pdf-as-legacy/src/main/java/at/gv/egiz/pdfas/api/io/DataSink.java
@@ -0,0 +1,98 @@
+/**
+ * <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.api.io;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * Output document data sink.
+ * 
+ * <p>
+ * Actually, the DataSink can be seen as a factory for creating OutputStreams
+ * with mime type and character encoding provided. This allows the API user to
+ * decide how data is to be stored (e.g. in a file, in a byte array, etc.).
+ * </p>
+ * 
+ * @author wprinz
+ */
+public interface DataSink
+{
+  /**
+   * Creates an OutputStream for binary data.
+   * 
+   * <p>
+   * Note that the stream may be written only once. Creating another stream
+   * overwrites the existing one.
+   * </p>
+   * 
+   * @param mimeType
+   *          The mime type of the output data.
+   * @return Returns the created output stream.
+   * @throws IOException
+   *           Thrown if the stream cannot be created.
+   */
+  public OutputStream createOutputStream(String mimeType) throws IOException;
+
+  /**
+   * Creates an OutputStream for character data.
+   * 
+   * <p>
+   * This is basically the same as {@link #createOutputStream(String)}, but
+   * allows to specify the character encoding.
+   * </p>
+   * 
+   * @param mimeType
+   *          The mime type of the output data.
+   * @param characterEncoding
+   *          The character encoding of the data.
+   * @return Returns the created output stream.
+   * @throws IOException
+   *           Thrown if the stream cannot be created.
+   */
+  public OutputStream createOutputStream(String mimeType, String characterEncoding) throws IOException;
+
+  /**
+   * Returns the mime type of the data stream.
+   * 
+   * <p>
+   * This is only valid after a stream has been created.
+   * </p>
+   * 
+   * @return Returns the mime type of the data stream.
+   */
+  public String getMimeType();
+
+  /**
+   * Returns the character encoding of the data stream.
+   * 
+   * <p>
+   * This is only valid after a stream has been created. Null means that no
+   * character encoding was specified for the data (e.g. if the data is binary).
+   * </p>
+   * 
+   * @return Returns the character encoding of the data stream.
+   */
+  public String getCharacterEncoding();
+}
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