support BitSet

src/main/java/com/alibaba/com/caucho/hessian/io/BitSetHandle.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2001-2008 Caucho Technology, Inc.  All rights reserved.
+ *
+ * The Apache Software License, Version 1.1
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ *    any, must include the following acknowlegement:
+ *       "This product includes software developed by the
+ *        Caucho Technology (http://www.caucho.com/)."
+ *    Alternately, this acknowlegement may appear in the software itself,
+ *    if and wherever such third-party acknowlegements normally appear.
+ *
+ * 4. The names "Hessian", "Resin", and "Caucho" must not be used to
+ *    endorse or promote products derived from this software without prior
+ *    written permission. For written permission, please contact
+ *    info@caucho.com.
+ *
+ * 5. Products derived from this software may not be called "Resin"
+ *    nor may "Resin" appear in their names without prior written
+ *    permission of Caucho Technology.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL CAUCHO TECHNOLOGY OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @author Scott Ferguson
+ */
+
+package com.alibaba.com.caucho.hessian.io;
+
+import java.util.BitSet;
+
+/**
+ * Handle for a BitSet object.
+ */
+public class BitSetHandle implements java.io.Serializable, HessianHandle {
+    private long[] words;
+
+    public BitSetHandle(long[] words) {
+        this.words = words;
+    }
+
+    private Object readResolve() {
+        if (words == null) {
+            return null;
+        }
+
+        return BitSet.valueOf(words);
+    }
+}

src/main/java/com/alibaba/com/caucho/hessian/io/BitSetSerializer.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2001-2004 Caucho Technology, Inc.  All rights reserved.
+ *
+ * The Apache Software License, Version 1.1
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ *    any, must include the following acknowlegement:
+ *       "This product includes software developed by the
+ *        Caucho Technology (http://www.caucho.com/)."
+ *    Alternately, this acknowlegement may appear in the software itself,
+ *    if and wherever such third-party acknowlegements normally appear.
+ *
+ * 4. The names "Hessian", "Resin", and "Caucho" must not be used to
+ *    endorse or promote products derived from this software without prior
+ *    written permission. For written permission, please contact
+ *    info@caucho.com.
+ *
+ * 5. Products derived from this software may not be called "Resin"
+ *    nor may "Resin" appear in their names without prior written
+ *    permission of Caucho Technology.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL CAUCHO TECHNOLOGY OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @author Scott Ferguson
+ */
+
+package com.alibaba.com.caucho.hessian.io;
+
+import java.io.IOException;
+import java.util.BitSet;
+
+/**
+ * Serializing a BitSet.
+ */
+public class BitSetSerializer extends AbstractSerializer {
+    private static BitSetSerializer SERIALIZER = new BitSetSerializer();
+
+    public static BitSetSerializer create() {
+        return SERIALIZER;
+    }
+
+    @Override
+    public void writeObject(Object obj, AbstractHessianOutput out)
+            throws IOException {
+        if (obj == null)
+            out.writeNull();
+        else {
+            BitSet bitSet = (BitSet) obj;
+
+            out.writeObject(new BitSetHandle(bitSet.toLongArray()));
+        }
+    }
+}

src/main/java/com/alibaba/com/caucho/hessian/io/SerializerFactory.java

@@ -385,6 +385,8 @@ else if (Map.class.isAssignableFrom(cl)) {
             serializer = LocaleSerializer.create();
         } else if (Enum.class.isAssignableFrom(cl)) {
             serializer = new EnumSerializer(cl);
+        } else if (BitSet.class.isAssignableFrom(cl)) {
+            serializer = BitSetSerializer.create();
         }
 
         if (serializer == null) {

src/test/java/com/alibaba/com/caucho/hessian/io/BitSetSerializerTest.java

@@ -0,0 +1,48 @@
+/*
+ * 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 com.alibaba.com.caucho.hessian.io;
+
+import java.io.IOException;
+import java.util.BitSet;
+import java.util.Locale;
+
+import org.junit.Test;
+
+import com.alibaba.com.caucho.hessian.io.base.SerializeTestBase;
+
+import junit.framework.TestCase;
+
+public class BitSetSerializerTest extends SerializeTestBase {
+
+    /** {@linkplain BitSetSerializer#writeObject(Object, AbstractHessianOutput)} */
+    @Test
+    public void bitSet() throws IOException {
+        long[] words = new long[3];
+        words[0] = 0x0102030405060708L;
+        words[1] = 0x1112131415161718L;
+        words[2] = 0x2122232425262728L;
+        assertBitSet(null);
+        assertBitSet(new BitSet());
+        assertBitSet(new BitSet(1));
+        assertBitSet(BitSet.valueOf(words));
+    }
+
+    private void assertBitSet(BitSet bitSet) throws IOException {
+        TestCase.assertEquals(bitSet, baseHessian2Serialize(bitSet));
+        TestCase.assertEquals(bitSet, baseHessianSerialize(bitSet));
+    }
+}