package com.matrix.core.pojo;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Set;
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import javax.servlet.http.HttpServletRequest;
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/**
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* simple mvc 支持的数据传输对象
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*
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* @author jiangyouyao
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*
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*/
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@SuppressWarnings("rawtypes")
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public class PageData extends HashMap implements Map {
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private static final long serialVersionUID = 1L;
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Map map = null;
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HttpServletRequest request;
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@SuppressWarnings("unchecked")
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public PageData(HttpServletRequest request) {
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this.request = request;
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Map properties = request.getParameterMap();
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Map returnMap = new HashMap();
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Iterator entries = properties.entrySet().iterator();
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Entry entry;
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String name = "";
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String value = "";
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while (entries.hasNext()) {
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entry = (Entry) entries.next();
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name = (String) entry.getKey();
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Object valueObj = entry.getValue();
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if (name.equals("offset") || name.equals("limit")) {
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if (valueObj instanceof String[]){
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String[] values = (String[]) valueObj;
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returnMap.put(name, Integer.parseInt(values[0].toString()));
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}else{
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returnMap.put(name, Integer.parseInt(valueObj.toString()));
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}
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continue;
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}
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if (null == valueObj) {
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value = "";
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} else if (valueObj instanceof String[]) {
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String[] values = (String[]) valueObj;
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for (int i = 0; i < values.length; i++) {
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value = values[i] + ",";
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}
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value = value.substring(0, value.length() - 1);
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} else {
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value = valueObj.toString();
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}
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returnMap.put(name, value);
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}
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map = returnMap;
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}
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public PageData() {
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map = new HashMap();
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}
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@Override
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public Object get(Object key) {
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Object obj = null;
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if (map.get(key) instanceof Object[]) {
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Object[] arr = (Object[]) map.get(key);
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obj = request == null ? arr : (request.getParameter((String) key) == null ? arr : arr[0]);
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} else {
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obj = map.get(key);
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}
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return obj;
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}
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public String getString(Object key) {
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return (String) get(key);
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}
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@SuppressWarnings("unchecked")
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@Override
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public Object put(Object key, Object value) {
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return map.put(key, value);
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}
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@Override
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public Object remove(Object key) {
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return map.remove(key);
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}
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public void clear() {
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map.clear();
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}
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public boolean containsKey(Object key) {
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return map.containsKey(key);
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}
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public boolean containsValue(Object value) {
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return map.containsValue(value);
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}
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public Set entrySet() {
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return map.entrySet();
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}
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public boolean isEmpty() {
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return map.isEmpty();
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}
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public Set keySet() {
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return map.keySet();
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}
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@SuppressWarnings("unchecked")
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public void putAll(Map t) {
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map.putAll(t);
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}
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public int size() {
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return map.size();
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}
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public Collection values() {
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return map.values();
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}
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}
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