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Posted to commits@qpid.apache.org by bo...@apache.org on 2015/10/08 17:54:52 UTC
[2/2] qpid-proton git commit: PROTON-1016: Support for encoding of
java.math.BigInteger
PROTON-1016: Support for encoding of java.math.BigInteger
Project: http://git-wip-us.apache.org/repos/asf/qpid-proton/repo
Commit: http://git-wip-us.apache.org/repos/asf/qpid-proton/commit/6091e9e2
Tree: http://git-wip-us.apache.org/repos/asf/qpid-proton/tree/6091e9e2
Diff: http://git-wip-us.apache.org/repos/asf/qpid-proton/diff/6091e9e2
Branch: refs/heads/master
Commit: 6091e9e2c57d2dd94cfb5b87d61ca354ce84362e
Parents: 1ae893e
Author: Bozo Dragojevic <bo...@digiverse.si>
Authored: Thu Oct 8 17:18:38 2015 +0200
Committer: Bozo Dragojevic <bo...@digiverse.si>
Committed: Thu Oct 8 17:54:24 2015 +0200
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.../qpid/proton/codec/BigIntegerType.java | 196 +++++++++++++++++++
.../apache/qpid/proton/codec/EncoderImpl.java | 2 +
2 files changed, 198 insertions(+)
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http://git-wip-us.apache.org/repos/asf/qpid-proton/blob/6091e9e2/proton-j/src/main/java/org/apache/qpid/proton/codec/BigIntegerType.java
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diff --git a/proton-j/src/main/java/org/apache/qpid/proton/codec/BigIntegerType.java b/proton-j/src/main/java/org/apache/qpid/proton/codec/BigIntegerType.java
new file mode 100644
index 0000000..f74e80b
--- /dev/null
+++ b/proton-j/src/main/java/org/apache/qpid/proton/codec/BigIntegerType.java
@@ -0,0 +1,196 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.proton.codec;
+
+import java.math.BigInteger;
+import java.util.Arrays;
+import java.util.Collection;
+
+public class BigIntegerType extends AbstractPrimitiveType<BigInteger> {
+
+ public static interface BigIntegerEncoding extends PrimitiveTypeEncoding<BigInteger>
+ {
+ void write(BigInteger l);
+ void writeValue(BigInteger l);
+ public BigInteger readPrimitiveValue();
+ }
+
+ private static final BigInteger BIG_BYTE_MIN = BigInteger.valueOf(Byte.MIN_VALUE);
+ private static final BigInteger BIG_BYTE_MAX = BigInteger.valueOf(Byte.MAX_VALUE);
+ private static final BigInteger BIG_LONG_MIN = BigInteger.valueOf(Long.MIN_VALUE);;
+ private static final BigInteger BIG_LONG_MAX = BigInteger.valueOf(Long.MAX_VALUE);;
+
+ private BigIntegerEncoding _BigIntegerEncoding;
+ private BigIntegerEncoding _smallBigIntegerEncoding;
+
+ BigIntegerType(final EncoderImpl encoder, final DecoderImpl decoder)
+ {
+ _BigIntegerEncoding = new AllBigIntegerEncoding(encoder, decoder);
+ _smallBigIntegerEncoding = new SmallBigIntegerEncoding(encoder, decoder);
+ encoder.register(BigInteger.class, this);
+ }
+
+ public Class<BigInteger> getTypeClass()
+ {
+ return BigInteger.class;
+ }
+
+ public BigIntegerEncoding getEncoding(final BigInteger l)
+ {
+ return (l.compareTo(BIG_BYTE_MIN) >= 0 && l.compareTo(BIG_BYTE_MAX) <= 0) ? _smallBigIntegerEncoding : _BigIntegerEncoding;
+ }
+
+
+ public BigIntegerEncoding getCanonicalEncoding()
+ {
+ return _BigIntegerEncoding;
+ }
+
+ public Collection<BigIntegerEncoding> getAllEncodings()
+ {
+ return Arrays.asList(_smallBigIntegerEncoding, _BigIntegerEncoding);
+ }
+
+ private long longValueExact(final BigInteger val) {
+ if (val.compareTo(BIG_LONG_MIN) < 0 || val.compareTo(BIG_LONG_MAX) > 0) {
+ throw new ArithmeticException("cannot encode BigInteger not representable as long");
+ }
+ return val.longValue();
+ }
+
+ private class AllBigIntegerEncoding extends FixedSizePrimitiveTypeEncoding<BigInteger> implements BigIntegerEncoding
+ {
+
+ public AllBigIntegerEncoding(final EncoderImpl encoder, final DecoderImpl decoder)
+ {
+ super(encoder, decoder);
+ }
+
+ @Override
+ protected int getFixedSize()
+ {
+ return 8;
+ }
+
+ @Override
+ public byte getEncodingCode()
+ {
+ return EncodingCodes.LONG;
+ }
+
+ public BigIntegerType getType()
+ {
+ return BigIntegerType.this;
+ }
+
+ public void writeValue(final BigInteger val)
+ {
+ getEncoder().writeRaw(longValueExact(val));
+ }
+
+ public void write(final BigInteger l)
+ {
+ writeConstructor();
+ getEncoder().writeRaw(longValueExact(l));
+
+ }
+
+ public boolean encodesSuperset(final TypeEncoding<BigInteger> encoding)
+ {
+ return (getType() == encoding.getType());
+ }
+
+ public BigInteger readValue()
+ {
+ return readPrimitiveValue();
+ }
+
+ public BigInteger readPrimitiveValue()
+ {
+ return BigInteger.valueOf(getDecoder().readLong());
+ }
+
+
+ @Override
+ public boolean encodesJavaPrimitive()
+ {
+ return true;
+ }
+ }
+
+ private class SmallBigIntegerEncoding extends FixedSizePrimitiveTypeEncoding<BigInteger> implements BigIntegerEncoding
+ {
+ public SmallBigIntegerEncoding(final EncoderImpl encoder, final DecoderImpl decoder)
+ {
+ super(encoder, decoder);
+ }
+
+ @Override
+ public byte getEncodingCode()
+ {
+ return EncodingCodes.SMALLLONG;
+ }
+
+ @Override
+ protected int getFixedSize()
+ {
+ return 1;
+ }
+
+ public void write(final BigInteger l)
+ {
+ writeConstructor();
+ getEncoder().writeRaw(l.byteValue());
+ }
+
+ public BigInteger readPrimitiveValue()
+ {
+ return BigInteger.valueOf(getDecoder().readRawByte());
+ }
+
+ public BigIntegerType getType()
+ {
+ return BigIntegerType.this;
+ }
+
+ public void writeValue(final BigInteger val)
+ {
+ getEncoder().writeRaw(val.byteValue());
+ }
+
+ public boolean encodesSuperset(final TypeEncoding<BigInteger> encoder)
+ {
+ return encoder == this;
+ }
+
+ public BigInteger readValue()
+ {
+ return readPrimitiveValue();
+ }
+
+
+ @Override
+ public boolean encodesJavaPrimitive()
+ {
+ return true;
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/qpid-proton/blob/6091e9e2/proton-j/src/main/java/org/apache/qpid/proton/codec/EncoderImpl.java
----------------------------------------------------------------------
diff --git a/proton-j/src/main/java/org/apache/qpid/proton/codec/EncoderImpl.java b/proton-j/src/main/java/org/apache/qpid/proton/codec/EncoderImpl.java
index fd0be07..97e1005 100644
--- a/proton-j/src/main/java/org/apache/qpid/proton/codec/EncoderImpl.java
+++ b/proton-j/src/main/java/org/apache/qpid/proton/codec/EncoderImpl.java
@@ -59,6 +59,7 @@ public final class EncoderImpl implements ByteBufferEncoder
private final UnsignedIntegerType _unsignedIntegerType;
private final LongType _longType;
private final UnsignedLongType _unsignedLongType;
+ private final BigIntegerType _bigIntegerType;
private final CharacterType _characterType;
private final FloatType _floatType;
@@ -98,6 +99,7 @@ public final class EncoderImpl implements ByteBufferEncoder
_unsignedIntegerType = new UnsignedIntegerType(this, decoder);
_longType = new LongType(this, decoder);
_unsignedLongType = new UnsignedLongType(this, decoder);
+ _bigIntegerType = new BigIntegerType(this, decoder);
_characterType = new CharacterType(this, decoder);
_floatType = new FloatType(this, decoder);
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