net.ymate.platform.validation.AbstractValidator.java Source code

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Here is the source code for net.ymate.platform.validation.AbstractValidator.java

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/*
 * Copyright 2007-2107 the original author or authors.
 *
 * Licensed 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 net.ymate.platform.validation;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

import net.ymate.platform.base.YMP;
import net.ymate.platform.commons.i18n.I18N;
import net.ymate.platform.commons.util.ClassUtils;
import net.ymate.platform.commons.util.ExpressionUtils;

import org.apache.commons.lang.StringUtils;

/**
 * <p>
 * AbstractValidator
 * </p>
 * <p>
 * ??;
 * </p>
 * 
 * @author (suninformation@163.com)
 * @version 0.0.0
 *          <table style="border:1px solid gray;">
 *          <tr>
 *          <th width="100px">?</th><th width="100px"></th><th
 *          width="100px"></th><th width="100px"></th>
 *          </tr>
 *          <!--  Table ?? -->
 *          <tr>
 *          <td>0.0.0</td>
 *          <td></td>
 *          <td></td>
 *          <td>2013-4-14?6:22:34</td>
 *          </tr>
 *          </table>
 */
public abstract class AbstractValidator implements IValidator {

    /**
     * ???
     */
    protected static final String VALIDATE_SUCCESS = null;

    /**
     * @param context ?
     * @param message ?
     * @param replaceTexts ????
     * @return ??I18N???
     */
    protected String doMessageResult(IValidateContext context, String message, String... replaceTexts) {
        String _returnValue = context.getMessage();
        if (StringUtils.isBlank(_returnValue)) {
            _returnValue = StringUtils.defaultIfEmpty(I18N.formatMessage(YMP.__LSTRING_FILE, null, null, message),
                    message);
        }
        if (StringUtils.isNotBlank(_returnValue) && replaceTexts != null && replaceTexts.length > 0) {
            ExpressionUtils _exp = ExpressionUtils.bind(_returnValue);
            for (int _idx = 0; _idx < replaceTexts.length; _idx++) {
                _exp.set(_idx + "", replaceTexts[_idx]);
            }
            _returnValue = _exp.getResult();
        } else {
            _returnValue = I18N.formatMessage(YMP.__LSTRING_FILE, null, null, "ymp.validation.default_message");
        }
        return _returnValue;
    }

    /**
     * @param context ?
     * @return ??
     */
    protected String onValidateNull(IValidateContext context) {
        return VALIDATE_SUCCESS;
    }

    /**
     * @param context ?
     * @return ???
     */
    protected String onValidate(IValidateContext context) {
        return VALIDATE_SUCCESS;
    }

    /**
     * @param context ?
     * @param arrayClassType
     * @return ???
     */
    protected String onValidateArray(IValidateContext context, Class<?> arrayClassType) {
        return VALIDATE_SUCCESS;
    }

    /* (non-Javadoc)
     * @see net.ymate.platform.validation.IValidator#validate(net.ymate.platform.validation.IValidateContext)
     */
    public String validate(IValidateContext context) {
        if (context.getFieldValue() != null) {
            if (context.getFieldValue().getClass().isArray()) {
                Class<?> _class = ClassUtils.getArrayClassType(context.getFieldValue().getClass());
                return onValidateArray(context, _class);
            }
            return onValidate(context);
        }
        return onValidateNull(context);
    }

    /**
     * @param context ?
     * @param minLength ???
     * @return ???
     */
    protected boolean doParamsLengthCheck(IValidateContext context, int minLength) {
        if (context.getParams() != null && context.getParams().length >= (minLength < 0 ? 0 : minLength)) {
            return true;
        }
        return false;
    }

    /**
     * @param context ?
     * @return ???
     */
    protected String getSingleParam(IValidateContext context) {
        return context.getParams()[0];
    }

    /**
     * @param context ?
     * @return ??
     */
    protected Map<String, String> getParamMaps(IValidateContext context) {
        if (context.getParams() != null && context.getParams().length > 0) {
            Map<String, String> _returnValue = new HashMap<String, String>();
            for (String _param : context.getParams()) {
                String[] _paramArray = StringUtils.split(_param, '=');
                if (_paramArray.length == 2) {
                    _returnValue.put(_paramArray[0], _paramArray[1]);
                }
            }
            return _returnValue;
        }
        return Collections.emptyMap();
    }

    /**
     * @param type
     * @return type?String
     */
    protected boolean isString(Class<?> type) {
        if (type.equals(String.class)) {
            return true;
        }
        return false;
    }

}