X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fserialization%2Fimpl%2FModifiedUTF8StringSerializer.java;fp=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fserialization%2Fimpl%2FModifiedUTF8StringSerializer.java;h=9105a786db4c2bd9c3b92794ca2bc196a558257d;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/serialization/impl/ModifiedUTF8StringSerializer.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/serialization/impl/ModifiedUTF8StringSerializer.java
new file mode 100644
index 000000000..9105a786d
--- /dev/null
+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/serialization/impl/ModifiedUTF8StringSerializer.java
@@ -0,0 +1,94 @@
+package org.simantics.databoard.serialization.impl;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+
+import org.simantics.databoard.binding.StringBinding;
+import org.simantics.databoard.binding.error.BindingException;
+import org.simantics.databoard.serialization.SerializationException;
+import org.simantics.databoard.serialization.Serializer.NonRecursiveSerializer;
+import org.simantics.databoard.util.binary.Endian;
+import org.simantics.databoard.util.binary.UTF8;
+
+/**
+ * Serializes strings to Modified UTF-8, 
+ * see http://download.oracle.com/javase/6/docs/api/java/io/DataInput.html
+ * 
+ * @author Toni Kalajainen
+ */
+public class ModifiedUTF8StringSerializer extends NonRecursiveSerializer {
+	
+	StringBinding binding;
+	
+	public ModifiedUTF8StringSerializer(StringBinding binding) {
+		this.binding = binding;
+	}
+
+	@Override
+	public Object deserialize(DataInput in) throws IOException {
+		try {
+			int len = Endian.readDynamicUInt32(in);
+			assertRemainingBytes(in, len); 
+			String str = UTF8.readModifiedUTF(in, len);
+			return binding.create(str);
+		} catch (BindingException e) {
+			throw new IOException( e ); 
+		}
+			
+	}
+	
+	@Override
+	public void deserializeTo(DataInput in, Object obj) throws IOException {
+		try {
+			int len = Endian.readDynamicUInt32(in);
+			assertRemainingBytes(in, len); 
+			String str = UTF8.readModifiedUTF(in, len);
+			binding.setValue(obj, str);
+		} catch (BindingException e) {
+			throw new IOException( e ); 
+		}
+	}
+	
+	@Override
+	public void skip(DataInput in) throws IOException, SerializationException {
+		int length = Endian.readDynamicUInt32(in);
+		in.skipBytes(length);
+	}
+	
+	@Override
+	public void serialize(DataOutput out, Object obj) throws IOException {
+		try {
+			String str = binding.getValue(obj);
+			int utflen = UTF8.getModifiedUTF8EncodingByteLength(str);
+			Endian.writeDynamicUInt32(out, utflen);
+			UTF8.writeModifiedUTF(out, str);
+		} catch (BindingException e) {
+			throw new IOException( e ); 
+		}
+	}
+	
+	@Override
+	public Integer getConstantSize() {			
+		return null;
+	}
+
+	@Override
+	public int getSize(Object obj) throws IOException {
+		try {
+			String string = binding.getValue(obj);
+			int stringByteLength = UTF8.getModifiedUTF8EncodingByteLength( string ); 
+			int lengthLength = Endian.getDynamicUInt32Length( stringByteLength ); 				
+			return lengthLength + stringByteLength;
+		} catch (BindingException e) {
+			throw new IOException( e ); 
+		}
+	}
+	
+	@Override
+	public int getMinSize() {
+		return 1;
+	}
+	
+}
+