Author: davidb
Date: Tue Jun 14 10:38:43 2016
New Revision: 1748381
URL: http://svn.apache.org/viewvc?rev=1748381&view=rev
Log:
Felix Converter Service - Initial YAML codec
Added:
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/YamlCodecImpl.java
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/YamlEncodingImpl.java
felix/trunk/converter/src/test/java/org/apache/felix/converter/impl/yaml/
felix/trunk/converter/src/test/java/org/apache/felix/converter/impl/yaml/YamlSerializationTest.java
Modified:
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/json/JsonCodecImpl.java
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/json/JsonEncodingImpl.java
felix/trunk/converter/src/main/java/org/osgi/service/converter/Encoding.java
Modified:
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/json/JsonCodecImpl.java
URL:
http://svn.apache.org/viewvc/felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/json/JsonCodecImpl.java?rev=1748381&r1=1748380&r2=1748381&view=diff
==============================================================================
---
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/json/JsonCodecImpl.java
(original)
+++
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/json/JsonCodecImpl.java
Tue Jun 14 10:38:43 2016
@@ -34,7 +34,7 @@ import org.osgi.service.converter.TypeRe
public class JsonCodecImpl implements Codec {
private Map<String, Object> configuration = new ConcurrentHashMap<>();
private ThreadLocal<Boolean> threadLocal = new ThreadLocal<>();
- private Converter converter = new ConverterImpl(); // TODO inject?
+ private Converter converter = new ConverterImpl();
@Override
public Codec with(Converter c) {
Modified:
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/json/JsonEncodingImpl.java
URL:
http://svn.apache.org/viewvc/felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/json/JsonEncodingImpl.java?rev=1748381&r1=1748380&r2=1748381&view=diff
==============================================================================
---
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/json/JsonEncodingImpl.java
(original)
+++
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/json/JsonEncodingImpl.java
Tue Jun 14 10:38:43 2016
@@ -20,7 +20,6 @@ import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.Array;
import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
@@ -47,9 +46,9 @@ public class JsonEncodingImpl implements
}
@Override
- public void to(OutputStream os) {
+ public void to(OutputStream os, Charset charset) {
try {
- os.write(encode(object).getBytes(StandardCharsets.UTF_8));
+ os.write(encode(object).getBytes(charset));
} catch (IOException e) {
throw new RuntimeException(e);
}
@@ -61,7 +60,7 @@ public class JsonEncodingImpl implements
}
@SuppressWarnings("rawtypes")
- public String encode(Object obj) {
+ private String encode(Object obj) {
if (obj == null) {
return ignoreNull() ? "" : "null";
}
@@ -111,7 +110,7 @@ public class JsonEncodingImpl implements
@SuppressWarnings({ "rawtypes", "unchecked" })
private String encodeMap(Map m) {
StringBuilder sb = new StringBuilder("{");
- for (Entry<?,?> entry : (Set<Entry>) m.entrySet()) {
+ for (Entry entry : (Set<Entry>) m.entrySet()) {
if (entry.getKey() == null || entry.getValue() == null)
if (ignoreNull())
continue;
@@ -135,12 +134,6 @@ public class JsonEncodingImpl implements
}
@Override
- public void to(OutputStream out, Charset charset) {
- // TODO Auto-generated method stub
-
- }
-
- @Override
public Appendable to(Appendable out) {
// TODO Auto-generated method stub
return null;
Added:
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/YamlCodecImpl.java
URL:
http://svn.apache.org/viewvc/felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/YamlCodecImpl.java?rev=1748381&view=auto
==============================================================================
---
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/YamlCodecImpl.java
(added)
+++
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/YamlCodecImpl.java
Tue Jun 14 10:38:43 2016
@@ -0,0 +1,62 @@
+/*
+ * 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.felix.converter.impl.yaml;
+
+import java.lang.reflect.Type;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.felix.converter.impl.ConverterImpl;
+import org.osgi.service.converter.Codec;
+import org.osgi.service.converter.Converter;
+import org.osgi.service.converter.Decoding;
+import org.osgi.service.converter.Encoding;
+import org.osgi.service.converter.TypeReference;
+
+public class YamlCodecImpl implements Codec {
+ private Map<String, Object> configuration = new ConcurrentHashMap<>();
+ private Converter converter = new ConverterImpl();
+
+ @Override
+ public Codec with(Converter c) {
+ converter = c;
+ return this;
+ }
+
+ @Override
+ public <T> Decoding<T> decode(Class<T> cls) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ @Override
+ public <T> Decoding<T> decode(TypeReference<T> ref) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ @Override
+ public Decoding<?> decode(Type type) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ @Override
+ public Encoding encode(Object obj) {
+ return new YamlEncodingImpl(converter, configuration, obj);
+ }
+}
Added:
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/YamlEncodingImpl.java
URL:
http://svn.apache.org/viewvc/felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/YamlEncodingImpl.java?rev=1748381&view=auto
==============================================================================
---
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/YamlEncodingImpl.java
(added)
+++
felix/trunk/converter/src/main/java/org/apache/felix/converter/impl/yaml/YamlEncodingImpl.java
Tue Jun 14 10:38:43 2016
@@ -0,0 +1,116 @@
+/*
+ * 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.felix.converter.impl.yaml;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.charset.Charset;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import org.osgi.service.converter.Converter;
+import org.osgi.service.converter.Encoding;
+
+public class YamlEncodingImpl implements Encoding {
+ private final Converter converter;
+ private final Map<String, Object> configuration;
+ private final Object object;
+ private final int indentation = 2;
+
+ public YamlEncodingImpl(Converter c, Map<String, Object> cfg, Object obj) {
+ converter = c;
+ configuration = cfg;
+ object = obj;
+ }
+
+ @Override
+ public Encoding pretty() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ @Override
+ public void to(OutputStream os, Charset charset) {
+ try {
+ os.write(encode(object).getBytes(charset));
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ @Override
+ public Appendable to(Appendable out) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ @Override
+ public String toString() {
+ return encode(object);
+ }
+
+ private String encode(Object obj) {
+ return encode(obj, 0);
+ }
+
+ @SuppressWarnings("rawtypes")
+ private String encode(Object obj, int level) {
+ if (obj == null)
+ return "";
+
+ if (obj instanceof Map) {
+ return encodeMap((Map) obj, level);
+ } else if (obj instanceof Number) {
+ return obj.toString();
+ } else if (obj instanceof Boolean) {
+ return obj.toString();
+ }
+
+ return "'" + converter.convert(obj).to(String.class) + "'";
+ }
+
+ @SuppressWarnings({ "rawtypes", "unchecked" })
+ private String encodeMap(Map m, int level) {
+ StringBuilder sb = new StringBuilder();
+ for (Entry entry : (Set<Entry>) m.entrySet()) {
+ sb.append(getIdentPrefix(level));
+ sb.append(entry.getKey().toString());
+ sb.append(": ");
+ sb.append(needsNewlineBefore(entry.getValue()));
+ sb.append(encode(entry.getValue(), level + 1));
+ sb.append("\n");
+ }
+
+ return sb.toString();
+ }
+
+ private Object needsNewlineBefore(Object value) {
+ if (value instanceof Map)
+ return "\n";
+
+ return "";
+ }
+
+ private String getIdentPrefix(int level) {
+ int numSpaces = indentation * level;
+ StringBuilder sb = new StringBuilder(numSpaces);
+ for (int i=0; i < numSpaces; i++)
+ sb.append(' ');
+ return sb.toString();
+ }
+}
Modified:
felix/trunk/converter/src/main/java/org/osgi/service/converter/Encoding.java
URL:
http://svn.apache.org/viewvc/felix/trunk/converter/src/main/java/org/osgi/service/converter/Encoding.java?rev=1748381&r1=1748380&r2=1748381&view=diff
==============================================================================
---
felix/trunk/converter/src/main/java/org/osgi/service/converter/Encoding.java
(original)
+++
felix/trunk/converter/src/main/java/org/osgi/service/converter/Encoding.java
Tue Jun 14 10:38:43 2016
@@ -17,6 +17,7 @@ package org.osgi.service.converter;
import java.io.OutputStream;
import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
/**
* Interface to specify the target of the encoding operation.
@@ -39,7 +40,9 @@ public interface Encoding {
*
* @param out The output stream to use.
*/
- void to(OutputStream out);
+ default void to(OutputStream os) {
+ to(os, StandardCharsets.UTF_8);
+ }
/**
* Use an output stream as the target of the encoding operation.
Added:
felix/trunk/converter/src/test/java/org/apache/felix/converter/impl/yaml/YamlSerializationTest.java
URL:
http://svn.apache.org/viewvc/felix/trunk/converter/src/test/java/org/apache/felix/converter/impl/yaml/YamlSerializationTest.java?rev=1748381&view=auto
==============================================================================
---
felix/trunk/converter/src/test/java/org/apache/felix/converter/impl/yaml/YamlSerializationTest.java
(added)
+++
felix/trunk/converter/src/test/java/org/apache/felix/converter/impl/yaml/YamlSerializationTest.java
Tue Jun 14 10:38:43 2016
@@ -0,0 +1,45 @@
+/*
+ * 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.felix.converter.impl.yaml;
+
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class YamlSerializationTest {
+ @Test
+ public void testComplexMapSerialization() {
+ Map<String, Object> m = new LinkedHashMap<>();
+ m.put("sKey", "a string");
+ m.put("iKey", 42);
+ m.put("bKey", true);
+ m.put("noKey", null);
+ m.put("simpleArray", new int[] {1,2,3});
+
+ Map<String, Object> m1 = new HashMap<>();
+ m1.put("a", 1L);
+ m1.put("b", "hello");
+ m.put("simpleObject", m1);
+
+ String expected = "";
+ assertEquals(expected, new YamlCodecImpl().encode(m).toString());
+ }
+}
