src/examples/struts-webapp/WEB-INF/classes/example/GuestbookEntryForm.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package example;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.*;

public class GuestbookEntryForm extends ActionForm {
    private String name;
    private String email;
    private String message;
    
    public GuestbookEntryForm() {
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = normalizeString(email);
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = normalizeString(message);
    }

    public void setName(String name) {
        this.name = normalizeString(name);
    }

    public String getName() {
        return name;
    }
    
    public ActionErrors validate(ActionMapping arg0, HttpServletRequest arg1) {
        ActionErrors errs = new ActionErrors();
        if (name.length() == 0) {
            errs.add("name", new ActionError("errors.required", "name"));
        }
        if (message.length() == 0) {
            errs.add("message", new ActionError("errors.required", "message"));
        }
        return errs.size() == 0 ? null : errs;
    }
    
    private static String normalizeString(String s) {
        if (s == null) return "";
        return s.trim();
    }
}