Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.databoard / src / org / simantics / databoard / util / binary / ByteBufferWriteable.java

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/util/binary/ByteBufferWriteable.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/util/binary/ByteBufferWriteable.java
new file mode 100644 (file)
index 0000000..57cc861
--- /dev/null
+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/util/binary/ByteBufferWriteable.java
@@ -0,0 +1,142 @@
+/*******************************************************************************\r
+ *  Copyright (c) 2010 Association for Decentralized Information Management in\r
+ *  Industry THTH ry.\r
+ *  All rights reserved. This program and the accompanying materials\r
+ *  are made available under the terms of the Eclipse Public License v1.0\r
+ *  which accompanies this distribution, and is available at\r
+ *  http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ *  Contributors:\r
+ *      VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.databoard.util.binary;
+
+import java.io.IOException;\r
+import java.nio.ByteBuffer;\r
+
+/**
+ * IWriteable implementation with ByteBuffer as backend
+ * 
+ * @author Toni Kalajainen (toni.kalajainen@vtt.fi)
+ */
+public class ByteBufferWriteable implements BinaryWriteable {
+
+       ByteBuffer buf;
+       
+       public ByteBufferWriteable(ByteBuffer buf)
+       {
+               if (buf == null)
+                       throw new IllegalArgumentException("null");
+               this.buf = buf;
+       }
+
+       @Override
+       public void write(int b) {
+               buf.put((byte) b);
+       }
+\r
+       @Override\r
+       public void writeByte(int b) throws IOException {\r
+               buf.put((byte) b);\r
+       }\r
+       \r
+       @Override\r
+       public void writeBoolean(boolean v) throws IOException {\r
+               buf.put( (byte) (v ? 1 : 0) );\r
+       }\r
+       
+       @Override
+       public void writeFully(ByteBuffer src) {
+               buf.put(src);
+       }
+
+       @Override
+       public void writeFully(ByteBuffer src, int length) {
+               if (src.hasArray()) {
+                       byte[] array = src.array();
+                       buf.put(array, src.arrayOffset() + src.position(), length);
+               } else {
+                       for (int i=0; i<length; i++)
+                               buf.put(src.get());
+               }
+       }
+
+       @Override
+       public void write(byte[] src, int offset, int length) {
+               buf.put(src, offset, length);
+       }
+
+       @Override
+       public void write(byte[] src) {
+               buf.put(src);
+       }
+
+       @Override
+       public void writeDouble(double value) {\r
+               buf.putDouble(value);\r
+       }
+
+       @Override
+       public void writeFloat(float value) {
+               buf.putFloat(value);\r
+       }
+
+       @Override
+       public void writeInt(int value) {
+               buf.putInt(value);
+       }
+
+       @Override
+       public void writeLong(long value) {
+               buf.putLong(value);
+       }
+
+       @Override
+       public void writeShort(int value) {
+               buf.putShort((short)value);
+       }\r
+       \r
+       @Override\r
+       public void writeChar(int value) {\r
+               buf.putChar((char) value);\r
+       }       
+\r
+       @Override\r
+       public void writeBytes(String s) throws IOException {\r
+               int len = s.length();\r
+               for (int i = 0 ; i < len ; i++) {\r
+                   buf.put((byte)s.charAt(i));\r
+               }\r
+       }\r
+       \r
+       @Override\r
+       public void writeChars(String s) throws IOException {\r
+        int len = s.length();\r
+        for (int i = 0 ; i < len ; i++) {\r
+            char v = s.charAt(i);\r
+            buf.putChar(v);\r
+        }\r
+       }\r
+       \r
+       @Override\r
+       public void writeUTF(String s) throws IOException {\r
+               int len = UTF8.getModifiedUTF8EncodingByteLength(s);\r
+               writeShort(len);\r
+               UTF8.writeModifiedUTF(this, s);\r
+       }
+
+       @Override
+       public void flush() {
+       }
+       
+       public long position() throws IOException {
+               return buf.position();
+       }
+       
+       public void position(long newPosition) throws IOException {
+               if (newPosition>=Integer.MAX_VALUE || newPosition<0) throw new IllegalArgumentException("index out of range");
+               buf.position((int) newPosition);                
+       }
+       
+}
+