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