/**
 * Copyright 2016 benjobs
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 org.opencron.server.controller;

import org.apache.commons.lang.StringEscapeUtils;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;

import java.beans.PropertyEditorSupport;

/**
 * Created by benjobs on 2017/2/10.
 */
public abstract class BaseController {

    @InitBinder
    public void initBinder(WebDataBinder binder) {
        binder.registerCustomEditor(String.class, new StringEscapeEditor());
    }

    public String unescape(String text){
        if (text==null) return null;
        text = StringEscapeUtils.unescapeJavaScript(text);
        text = StringEscapeUtils.unescapeHtml(text);
        return text;
    }

    public class StringEscapeEditor extends PropertyEditorSupport {

        public StringEscapeEditor() {
            super();
        }

        @Override
        public void setAsText(String text) {
            if (text == null) {
                setValue(null);
            } else {
                String value = text;
                value = StringEscapeUtils.escapeHtml(value);
                value = StringEscapeUtils.escapeJavaScript(value);
                setValue(value);
            }

        }

        @Override
        public String getAsText() {
            Object value = getValue();
            return value != null ? value.toString() : "";
        }

    }

}


