net.ymate.platform.validation.impl.CompareValidator.java Source code

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Here is the source code for net.ymate.platform.validation.impl.CompareValidator.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.impl;

import java.util.Map;

import net.ymate.platform.base.YMP;
import net.ymate.platform.commons.i18n.I18N;
import net.ymate.platform.validation.AbstractValidator;
import net.ymate.platform.validation.IValidateContext;
import net.ymate.platform.validation.ValidationException;

import org.apache.commons.lang.StringUtils;

/**
 * <p>
 * CompareValidator
 * </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>2013-4-17?9:57:16</td>
 *          </tr>
 *          </table>
 */
public class CompareValidator extends AbstractValidator {

    public static final String NAME = "compare";

    /* (non-Javadoc)
     * @see net.ymate.platform.validation.IValidator#getName()
     */
    public String getName() {
        return NAME;
    }

    /* (non-Javadoc)
     * @see net.ymate.platform.validation.AbstractValidator#onValidate(net.ymate.platform.validation.IValidateContext)
     */
    @Override
    protected String onValidate(IValidateContext context) {
        if (doParamsLengthCheck(context, 1)) {
            if (isString(context.getFieldValue().getClass())) {
                String _value = (String) context.getFieldValue();
                if (StringUtils.isNotBlank(_value)) {
                    Map<String, String> _params = getParamMaps(context);
                    String _cond = StringUtils.defaultIfEmpty(_params.get("cond"), "equals");
                    String _field = _params.get("field");
                    if (_field == null || context.getFieldValue(_field) == null) {
                        throw new IllegalArgumentException(I18N.formatMessage(YMP.__LSTRING_FILE, null, null,
                                "ymp.validation.validator_parameter_invalid"));
                    }
                    if (_cond.equals("equals")) {
                        if (!_value.equals(context.getFieldValue(_field))) {
                            return doMessageResult(context, "ymp.validation.compare");
                        }
                    } else {
                        throw new ValidationException(I18N.formatMessage(YMP.__LSTRING_FILE, null, null,
                                "ymp.validation.unsupport_cond_op"));
                    }
                }
            } else {
                throw new ValidationException(I18N.formatMessage(YMP.__LSTRING_FILE, null, null,
                        "ymp.validation.unsupport_non_string_cond_op"));
            }
        } else {
            throw new IllegalArgumentException(I18N.formatMessage(YMP.__LSTRING_FILE, null, null,
                    "ymp.validation.validator_parameter_invalid"));
        }
        return onValidateNull(context);
    }

    /* (non-Javadoc)
     * @see net.ymate.platform.validation.AbstractValidator#onValidateArray(net.ymate.platform.validation.IValidateContext, java.lang.Class)
     */
    @Override
    protected String onValidateArray(IValidateContext context, Class<?> arrayClassType) {
        throw new ValidationException(
                I18N.formatMessage(YMP.__LSTRING_FILE, null, null, "ymp.validation.unsupport_non_string_cond_op"));
    }

}