Merging DEV_TEMPORARY to HEAD (RenditionService)

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19103 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/util/json/AbstractJsonSerializerBean.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2005-2010 Alfresco Software Limited.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ * As a special exception to the terms and conditions of version 2.0 of 
+ * the GPL, you may redistribute this Program in connection with Free/Libre 
+ * and Open Source Software ("FLOSS") applications as described in Alfresco's 
+ * FLOSS exception.  You should have recieved a copy of the text describing 
+ * the FLOSS exception, and it is also available here: 
+ * http://www.alfresco.com/legal/licensing"
+ */
+
+package org.alfresco.util.json;
+
+/**
+ * @author Nick Smith
+ */
+public abstract class AbstractJsonSerializerBean<T, S> implements JsonSerializer<T, S>
+{
+    private Class<? extends T> classToSerialize;
+    private AlfrescoJsonSerializer jsonSerializer;
+
+    /**
+     * @param classToSerialize the classToSerialize to set
+     */
+    public void setClassToSerialize(Class<? extends T> classToSerialize)
+    {
+        this.classToSerialize = classToSerialize;
+    }
+
+    /**
+     * @param jsonSerializer the jsonSerializer to set
+     */
+    public void setJsonSerializer(AlfrescoJsonSerializer jsonSerializer)
+    {
+        this.jsonSerializer = jsonSerializer;
+    }
+
+    public void init()
+    {
+        jsonSerializer.register(classToSerialize, this);
+    }
+
+}

source/java/org/alfresco/util/json/AlfrescoJsonSerializer.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2005-20010 Alfresco Software Limited.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ * As a special exception to the terms and conditions of version 2.0 of 
+ * the GPL, you may redistribute this Program in connection with Free/Libre 
+ * and Open Source Software ("FLOSS") applications as described in Alfresco's 
+ * FLOSS exception.  You should have recieved a copy of the text describing 
+ * the FLOSS exception, and it is also available here: 
+ * http://www.alfresco.com/legal/licensing"
+ */
+
+package org.alfresco.util.json;
+
+import java.util.Collection;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.namespace.NamespaceService;
+import org.alfresco.service.namespace.QName;
+import org.apache.chemistry.tck.atompub.utils.ISO8601DateFormat;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+/**
+ * @author Nick Smith
+ */
+public class AlfrescoJsonSerializer
+{
+    private final NamespaceService namespaceService;
+    private final Map<Class<?>, JsonSerializer<?, ?>> serializers = new HashMap<Class<?>, JsonSerializer<?, ?>>();
+
+    public AlfrescoJsonSerializer(NamespaceService namespaceService)
+    {
+        this.namespaceService = namespaceService;
+    }
+
+    public void register(Class<?> clazz, JsonSerializer<?, ?> serializer)
+    {
+        serializers.put(clazz, serializer);
+    }
+
+    public Object getJsonValue(Object value) throws JSONException
+    {
+        if (value instanceof Date) { return getJsonDate((Date) value); }
+        if (value instanceof QName) { return getJsonQName((QName) value); }
+        if (value instanceof NodeRef)
+        {
+            return value.toString();
+        }
+        else if (value instanceof Collection<?>)
+        {
+            return getJsonArray((Collection<?>) value);
+        }
+        else if (value instanceof Map<?, ?>) { return getJsonObject((Map<?, ?>) value); }
+        return value;
+    }
+
+    private JSONObject getJsonObject(Map<?, ?> map) throws JSONException
+    {
+        JSONObject object = new JSONObject();
+        for (Entry<?, ?> entry : map.entrySet())
+        {
+            String key = getJsonKey(entry.getKey());
+            Object value = getJsonValue(entry.getValue());
+            object.put(key, value);
+        }
+        return object;
+    }
+
+    private String getJsonKey(Object key)
+    {
+        if (key instanceof QName) { return getJsonQName((QName) key); }
+        return key.toString();
+    }
+
+    private String getJsonQName(QName name)
+    {
+        String nameString = name.toPrefixString(namespaceService);
+        return nameString.replaceFirst(":", "_");
+    }
+
+    private JSONObject getJsonDate(Date date) throws JSONException
+    {
+        JSONObject isoDate = new JSONObject();
+        isoDate.put("iso8601", ISO8601DateFormat.format(date));
+        return isoDate;
+    }
+
+    private JSONArray getJsonArray(Collection<?> values) throws JSONException
+    {
+        JSONArray array = new JSONArray();
+        for (Object val : values)
+        {
+            array.put(getJsonValue(val));
+        }
+        return array;
+    }
+
+}

source/java/org/alfresco/util/json/DefaultJsonSerializer.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2005-2010 Alfresco Software Limited.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ * As a special exception to the terms and conditions of version 2.0 of 
+ * the GPL, you may redistribute this Program in connection with Free/Libre 
+ * and Open Source Software ("FLOSS") applications as described in Alfresco's 
+ * FLOSS exception.  You should have recieved a copy of the text describing 
+ * the FLOSS exception, and it is also available here: 
+ * http://www.alfresco.com/legal/licensing"
+ */
+
+package org.alfresco.util.json;
+
+/**
+ *
+ * @author Nick Smith
+ */
+public class DefaultJsonSerializer implements JsonSerializer<Object, Object>
+{
+
+    /*
+     * @see org.alfresco.util.json.JsonSerializer#deserialize(java.lang.Object)
+     */
+    public Object deserialize(Object object)
+    {
+        return object;
+    }
+
+    /*
+     * @see org.alfresco.util.json.JsonSerializer#serialize(java.lang.Object)
+     */
+    public Object serialize(Object object)
+    {
+        return object;
+    }
+
+}

source/java/org/alfresco/util/json/JsonSerializer.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2005-2010 Alfresco Software Limited.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ * As a special exception to the terms and conditions of version 2.0 of 
+ * the GPL, you may redistribute this Program in connection with Free/Libre 
+ * and Open Source Software ("FLOSS") applications as described in Alfresco's 
+ * FLOSS exception.  You should have recieved a copy of the text describing 
+ * the FLOSS exception, and it is also available here: 
+ * http://www.alfresco.com/legal/licensing"
+ */
+
+package org.alfresco.util.json;
+
+/**
+ * An interface for converting objects of a specified type (T) into a serialized
+ * Json format (of type S).
+ * 
+ * @author Nick Smith
+ */
+public interface JsonSerializer<T, S>
+{
+
+    S serialize(T object);
+
+    T deserialize(S object);
+}