com.anysoft.util.DefaultProperties Maven / Gradle / Ivy
package com.anysoft.util;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.*;
import java.util.Map.Entry;
import org.apache.commons.lang3.StringUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import com.anysoft.util.resource.ResourceFactory;
/**
* 缺省的变量集实现
* 本类基于{@link java.util.Hashtable}实现.
* @author hmyyduan
*
* @version 1.6.3.4 [duanyy 20150305]
* - 实现{@link com.anysoft.util.JsonSerializer JsonSerializer}和{@link com.anysoft.util.XmlSerializer XmlSerializer}接口
*
* @version 1.6.7.7 [20170126 duanyy]
* - 迁移loadFrom系列方法到父类
*
* @version 1.6.8.7 [20170412 duanyy]
* - DefaultProperties容器由Hashtable更改为HashMap
*/
public class DefaultProperties extends Properties implements JsonSerializer,XmlSerializer{
/**
* 变量集内容
*/
protected Map content = new HashMap();
/**
* 构造函数
* @param _domain 变量域
* @param _parent 父节点
* @see Properties#Properties(String, Properties)
*/
public DefaultProperties(String _domain,Properties _parent){
super(_domain,_parent);
}
/**
* 构造函数
* @param _domain 变量域
* @see Properties#Properties(String)
*/
public DefaultProperties(String _domain){
super(_domain);
}
/**
* 构造函数
* @see Properties#Properties()
*/
public DefaultProperties(){
}
/**
* 获取变量集的内容
* @return 内容
*/
public Map getContent(){
return content;
}
/**
* 向变量集中写入变量
* @param _name 变量名
* @param _value 变量值
*/
protected void _SetValue(String _name, String _value) {
if (StringUtils.isEmpty(_value)){
content.remove(_name);
}else {
content.put(_name, _value);
}
}
/**
* 从变量集中提取出变量值
* @param name 变量名
*/
protected String _GetValue(String name) {
String value = super._GetValue(name);
if (StringUtils.isEmpty(value)){
value = content.get(name);
}
return value;
}
/**
* 获取变量集中所有的变量名列表
* @return 变量名列表
*/
public Set keys(){return content.keySet();}
/**
* 打印出变量集中的内容
* @param out 输出打印流
*/
public void list(PrintStream out){
Iterator __keys = keys().iterator();
while (__keys.hasNext()){
String __name = (String)__keys.next();
String __value = _GetValue(__name);
out.print(__name);
out.print("=");
out.println(__value);
}
}
@Override
public void list(List> result){
Iterator> iter = content.entrySet().iterator();
while (iter.hasNext()){
Entry entry = iter.next();
result.add(new Pair.Default(entry.getKey(),entry.getValue()));
}
}
/**
* 清除变量集内容
*/
public void Clear() {
content.clear();
}
/**
* 装入指定的xrc文件，并读入xrc文件中的变量信息
* @param _url xrc文件的url
* @param secondary xrc文件的备用url
* @param _rm ResourceFactory实例
*/
public void addSettings(String _url,String secondary,ResourceFactory _rm){
ResourceFactory rm = _rm;
if (null == _rm){
rm = new ResourceFactory();
}
InputStream in = null;
try {
in = rm.load(_url,secondary, null);
Document doc = XmlTools.loadFromInputStream(in);
if (doc != null){
loadFrom(doc.getDocumentElement());
}
}catch (Exception ex){
logger.error("Error occurs when load xml file,source=" + _url, ex);
}finally {
IOTools.closeStream(in);
}
}
/**
* 从一个DefaultProperties复制变量列表
* @param p DefaultProperties实例
*/
public void addSettings(DefaultProperties p){
Iterator keys = p.keys().iterator();
while (keys.hasNext()){
String name = (String)keys.next();
String value = p.GetValue(name,"",false,true);
if (value != null && value.length() > 0)
SetValue(name, value);
}
}
/**
* 从另一实例中复制内容
* @param other 另一实例
*/
public void copyFrom(DefaultProperties other){
Iterator keys = other.keys().iterator();
Clear();
while (keys.hasNext()){
String __name = (String)keys.next();
String __value = other._GetValue(__name);
SetValue(__name, __value);
}
}
public void toXML(Element root) {
//为了输出文件的美观，添加一个\n文件节点
Document doc = root.getOwnerDocument();
root.appendChild(doc.createTextNode("\n"));
Iterator ids = keys().iterator();
while (ids.hasNext()){
String id = (String)ids.next();
String value = _GetValue(id);
if (value.length() <= 0 || id.length() <= 0){
continue;
}
Element e = doc.createElement("parameter");
e.setAttribute("id",id);
e.setAttribute("value",value);
root.appendChild(e);
//为了输出文件的美观，添加一个\n文件节点
root.appendChild(doc.createTextNode("\n"));
}
}
public void fromXML(Element e) {
Clear();
loadFrom(e);
}
public void toJson(Map json) {
Iterator> iter = content.entrySet().iterator();
while (iter.hasNext()){
Entry entry = iter.next();
String key = entry.getKey();
String value = entry.getValue();
json.put(key, value);
}
}
public void fromJson(Map json) {
Clear();
loadFrom(json);
}
public String toString(){
StringBuffer buffer = new StringBuffer();
Iterator> iter = content.entrySet().iterator();
while (iter.hasNext()){
Entry entry = iter.next();
String key = entry.getKey();
String value = entry.getValue();
buffer.append(key).append("=").append(value);
if (iter.hasNext()){
buffer.append(";");
}
}
return buffer.toString();
}
}