DATAKV-36

+ add Apache Commons BeanUtils impl

spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/hash/BeanUtilsHashMapper.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2011 the original author or authors.
+ * 
+ * Licensed 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.springframework.data.keyvalue.redis.hash;
+
+import java.util.Map;
+
+import org.apache.commons.beanutils.BeanUtils;
+
+/**
+ * HashMapper based on Apache Commons BeanUtils project. Does NOT supports nested properties.
+ * 
+ * @author Costin Leau
+ */
+public class BeanUtilsHashMapper<T> implements HashMapper<T, String, String> {
+
+	private Class<T> type;
+
+	public BeanUtilsHashMapper(Class<T> type) {
+		this.type = type;
+	}
+
+	@Override
+	public T fromHash(Map<String, String> hash) {
+		T instance = org.springframework.beans.BeanUtils.instantiate(type);
+		try {
+			BeanUtils.populate(instance, hash);
+		} catch (Exception ex) {
+			throw new RuntimeException(ex);
+		}
+		return instance;
+	}
+
+	@Override
+	public Map<String, String> toHash(T object) {
+		try {
+			return BeanUtils.describe(object);
+		} catch (Exception ex) {
+			throw new IllegalArgumentException("Cannot describe object " + object);
+		}
+	}
+}

spring-data-redis/src/main/java/org/springframework/data/keyvalue/redis/hash/DecoratingStringHashMapper.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2011 the original author or authors.
+ * 
+ * Licensed 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.springframework.data.keyvalue.redis.hash;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * Delegating hash mapper used for flattening objects into Strings.
+ * Suitable when dealing with mappers that support Strings and type conversion.
+ * 
+ * @author Costin Leau
+ */
+public class DecoratingStringHashMapper<T> implements HashMapper<T, String, String> {
+
+	private final HashMapper<T, ?, ?> delegate;
+
+	public <K, V> DecoratingStringHashMapper(HashMapper<T, K, V> mapper) {
+		this.delegate = mapper;
+	}
+
+	@SuppressWarnings("unchecked")
+	@Override
+	public T fromHash(Map<String, String> hash) {
+		Map h = hash;
+		return delegate.fromHash(h);
+	}
+
+	@Override
+	public Map<String, String> toHash(T object) {
+		Map<?, ?> hash = delegate.toHash(object);
+		Map<String, String> flatten = new LinkedHashMap<String, String>(hash.size());
+		for (Map.Entry<?, ?> entry : hash.entrySet()) {
+			flatten.put(String.valueOf(entry.getKey()), String.valueOf(entry.getValue()));
+		}
+		return flatten;
+	}
+}

spring-data-redis/src/test/java/org/springframework/data/keyvalue/redis/mapping/BeanUtilsHashMapperTest.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2011 the original author or authors.
+ * 
+ * Licensed 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.springframework.data.keyvalue.redis.mapping;
+
+import org.junit.Test;
+import org.springframework.data.keyvalue.redis.hash.BeanUtilsHashMapper;
+import org.springframework.data.keyvalue.redis.hash.HashMapper;
+
+/**
+ * @author Costin Leau
+ */
+public class BeanUtilsHashMapperTest extends AbstractHashMapperTest {
+
+	@Override
+	protected HashMapper mapperFor(Class t) {
+		return new BeanUtilsHashMapper(t);
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void testNestedBean() throws Exception {
+		super.testNestedBean();
+	}
+}

spring-data-redis/template.mf

@@ -23,4 +23,6 @@ Import-Template:
  redis.clients.jedis.*;version=${jedis.range},
  redis.clients.util.*;version=${jedis.range},
  org.apache.commons.pool.impl.*;version="[1.0.0, 3.0.0)",
- org.codehaus.jackson.*;version=${jackson.range}
+ org.codehaus.jackson.*;version=${jackson.range},
+ org.apache.commons.beanutils.*;version="[1.8.0, 2.0.0)"
+