java Map转XML

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package com.lmx.common.util;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import java.lang.reflect.Field;import java.util.Collection;import java.util.Map;import java.util.Set;/** * Created by qin on 2016/8/31. */public class XMLUtil {    private static Log logger = LogFactory.getLog(XMLUtil.class);    /**     * Converter Map<Object, Object> instance to xml string. Note: currently,     * we aren't consider more about some collection types, such as array,list,     *     * @param dataMap  the data map     *     * @return the string     */    public static String converter(Map<Object, Object> dataMap)    {        synchronized (XMLUtil.class)        {            StringBuilder strBuilder = new StringBuilder();            strBuilder.append("<xml>");            strBuilder.append("\n");            Set<Object> objSet = dataMap.keySet();            for (Object key : objSet)            {                if (key == null)                {                    continue;                }//                strBuilder.append("\n");                strBuilder.append("<").append(key.toString()).append(">");                Object value = dataMap.get(key);                strBuilder.append(coverter(value));                strBuilder.append("</").append(key.toString()).append(">\n");            }            strBuilder.append("</xml>");            return strBuilder.toString();        }    }    public static String coverter(Object[] objects) {        StringBuilder strBuilder = new StringBuilder();        for(Object obj:objects) {            strBuilder.append("<item className=").append(obj.getClass().getName()).append(">\n");            strBuilder.append(coverter(obj));            strBuilder.append("</item>\n");        }        return strBuilder.toString();    }    public static String coverter(Collection<?> objects)    {        StringBuilder strBuilder = new StringBuilder();        for(Object obj:objects) {            strBuilder.append("<item className=").append(obj.getClass().getName()).append(">\n");            strBuilder.append(coverter(obj));            strBuilder.append("</item>\n");        }        return strBuilder.toString();    }    /**     * Coverter.     *     * @param object the object     * @return the string     */    public static String coverter(Object object)    {        if (object instanceof Object[])        {            return coverter((Object[]) object);        }        if (object instanceof Collection)        {            return coverter((Collection<?>) object);        }        StringBuilder strBuilder = new StringBuilder();        if (isObject(object))        {            Class<? extends Object> clz = object.getClass();            Field[] fields = clz.getDeclaredFields();            for (Field field : fields)            {                field.setAccessible(true);                if (field == null)                {                    continue;                }                String fieldName = field.getName();                Object value = null;                try                {                    value = field.get(object);                }                catch (IllegalArgumentException e)                {                    continue;                }                catch (IllegalAccessException e)                {                    continue;                }                strBuilder.append("<").append(fieldName)                        .append(" className=\"").append(                        value.getClass().getName()).append("\">\n");                if (isObject(value))                {                    strBuilder.append(coverter(value));                }                else if (value == null)                {                    strBuilder.append("null\n");                }                else                {                    strBuilder.append(value.toString() + "\n");                }                strBuilder.append("</").append(fieldName).append(">\n");            }        }        else if (object == null)        {            strBuilder.append("null");        }        else        {            strBuilder.append(object.toString());        }        return strBuilder.toString();    }    /**     * Checks if is object.     *     * @param obj the obj     *     * @return true, if is object     */    private static boolean isObject(Object obj)    {        if (obj == null)        {            return false;        }        if (obj instanceof String)        {            return false;        }        if (obj instanceof Integer)        {            return false;        }        if (obj instanceof Double)        {            return false;        }        if (obj instanceof Float)        {            return false;        }        if (obj instanceof Byte)        {            return false;        }        if (obj instanceof Long)        {            return false;        }        if (obj instanceof Character)        {            return false;        }        if (obj instanceof Short)        {            return false;        }        if (obj instanceof Boolean)        {            return false;        }        return true;    }}
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