formsubmission.java

CRMS客户关系管理系统(JAVA版）,这是一个客户关系管理系统。

    /* CRMS, customer relationship management system
    Copyright (C) 2003  Service To Youth Council

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    For further information contact the SYC ICT department on [e-mail]
    98 Kermode Street
    North Adelaide
    South Australia
    SA 5006 
    [phone]
    */
/*
 * FormSubmission.java
 *
 * Created on 14 April 2003, 00:32
 */

package crms.form;


import java.util.*;
import java.text.*;
import java.lang.reflect.*;
import crms.util.*;

import org.w3c.dom.*;

/**
 *
 * @author  dmurphy
 */
public class FormSubmission {
    
    private HashMap results = new HashMap();
    
    
    private String formName = null;
    
    public static SimpleDateFormat df = new SimpleDateFormat("d MMMM, yyyy");
    public static SimpleDateFormat tf = new SimpleDateFormat("h:mm a");
    
    
    /** Creates a new instance of FormSubmission */
    public FormSubmission() {
    }
    
    public void setFieldValue(String fieldName, String value) {
        results.put(fieldName.toLowerCase(), value);
    }
    
    public void setFormName(String name) {
        this.formName = name;
    }
    
    public String getFormName() {
        return formName;
    }
    
    public StringBuffer toXML() {
        StringBuffer buf = new StringBuffer();
    
        Iterator it = results.keySet().iterator();
        
        while (it.hasNext()) {
            String key = (String) it.next();
            String value = (String) results.get(key);
            
            buf.append("<form-submit>\n");
            buf.append("    <fields>\n");
            buf.append("        <field name='" + key + "'>");
            buf.append(value);
            buf.append("</field>\n");
            buf.append("    </fields>\n");
            buf.append("</form-submit>\n");
        }
        
        return buf;
    }

    public Iterator fieldNames() {
        return results.keySet().iterator();
    }
    
    public String getFieldValue(String fieldName) {
        String value = (String) results.get(fieldName);
        return value;
    }
    
    public static FormSubmission buildFromXML(Node formSubmitNode) {
        FormSubmission result = new FormSubmission();
        
        NodeList fields = XMLUtil.getChildNodesNamed("fields","field",  formSubmitNode);
        
        for (int i=0; i < fields.getLength(); i++) {
            Node fieldNode = fields.item(i);
            String name = XMLUtil.getAttributeValue("name", fieldNode);
            String value = XMLUtil.getTextForNode(fieldNode);

            result.setFieldValue(name, value);
        }
        return result;
    }
    
    public void applyTo(Object object) {
        
        Method[] methods = object.getClass().getDeclaredMethods();
        
        for (int i=0; i < methods.length; i++) {
            Method method = methods[i];
            
            if (method.getName().startsWith("set")) {
                
                String propertyName = method.getName().substring(3).toLowerCase();
                String fieldValue = (String)results.get(propertyName);
                
                if (fieldValue == null) {
                    continue;
                }
                
                Class[] types = method.getParameterTypes();
                
                Object args[] = {};
                
                if (types[0].equals(Integer.class)) {
                    args = new Object[] { new Integer(fieldValue) };
                }
                else if (types[0].equals(Date.class)) {
                    
                    Date dateValue = null;
                    
                    try {
                        if ( propertyName.indexOf("time") >= 0) {
                            dateValue = tf.parse(fieldValue);
                        } else {
                            dateValue = df.parse(fieldValue);
                        }
                    }
                    catch (ParseException ex) {
                        throw new RuntimeException(ex);
                    }
                    
                    args = new Object[] { dateValue };
                    
                }
                else {
                    args = new Object[] { fieldValue };
                }
                
                try {
                    method.invoke(object, args);    
                }
                catch (IllegalAccessException ex) {
                    throw new RuntimeException(ex);
                }
                catch (InvocationTargetException ex) {
                    throw new RuntimeException(ex);
                }
            }
        }
    }
}