com.wabacus.config.resource.InterceptorRes.java Source code

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Here is the source code for com.wabacus.config.resource.InterceptorRes.java

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/* 
 * Copyright (C) 2010---2014 (wuweixing)<349446658@qq.com>
 * 
 * This file is part of Wabacus 
 * 
 * Wabacus is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.wabacus.config.resource;

import java.util.List;

import org.dom4j.Element;

import com.wabacus.config.ConfigLoadAssistant;
import com.wabacus.exception.WabacusConfigLoadingException;
import com.wabacus.system.assistant.ReportAssistant;
import com.wabacus.system.intercept.IInterceptor;
import com.wabacus.util.Tools;

public class InterceptorRes extends AbsResource {
    public Object getValue(Element itemElement) {
        if (itemElement == null) {
            throw new WabacusConfigLoadingException("???");
        }
        String name = itemElement.attributeValue("key");
        Element eleInterceptor = itemElement.element("interceptor");
        if (eleInterceptor == null) {
            throw new WabacusConfigLoadingException(
                    "???" + itemElement.attributeValue("key")
                            + "??<interceptor/>?");
        }
        List<String> lstImportPackages = ConfigLoadAssistant.getInstance().loadImportsConfig(eleInterceptor);
        Element elePreAction = eleInterceptor.element("preaction");
        String preaction = elePreAction == null ? null : elePreAction.getText();
        Element elePostAction = eleInterceptor.element("postaction");
        String postaction = elePostAction == null ? null : elePostAction.getText();
        Element eleSaveaction = eleInterceptor.element("saveaction");
        String saveaction = eleSaveaction == null ? null : eleSaveaction.getText();
        Element eleSaverowaction = eleInterceptor.element("saveaction-perrow");
        String saverowaction = eleSaverowaction == null ? null : eleSaverowaction.getText();
        Element eleSavesqlaction = eleInterceptor.element("saveaction-peraction");
        String savesqlaction = eleSavesqlaction == null ? null : eleSavesqlaction.getText();
        Element eleBeforeLoadData = eleInterceptor.element("beforeloaddata");
        String beforeloaddata = eleBeforeLoadData == null ? null : eleBeforeLoadData.getText();
        Element eleAfterLoadData = eleInterceptor.element("afterloaddata");
        Element eleBeforeDisplay = eleInterceptor.element("beforedisplay");
        String beforedisplay = eleBeforeDisplay == null ? null : eleBeforeDisplay.getText();
        String afterloaddata = eleAfterLoadData == null ? null : eleAfterLoadData.getText();
        Element eleDisplayPerRow = eleInterceptor.element("beforedisplay-perrow");
        String displayperrow = eleDisplayPerRow == null ? null : eleDisplayPerRow.getText();
        Element eleDisplayPerCol = eleInterceptor.element("beforedisplay-percol");
        String displaypercol = eleDisplayPerCol == null ? null : eleDisplayPerCol.getText();

        if (Tools.isEmpty(preaction, true) && Tools.isEmpty(postaction, true) && Tools.isEmpty(saveaction, true)
                && Tools.isEmpty(saverowaction, true) && Tools.isEmpty(savesqlaction, true)
                && Tools.isEmpty(beforeloaddata, true) && Tools.isEmpty(afterloaddata, true)
                && Tools.isEmpty(beforedisplay, true) && Tools.isEmpty(displayperrow, true)
                && Tools.isEmpty(displaypercol, true)) {
            return null;
        }
        Class c = ReportAssistant.getInstance().buildInterceptorClass("resource_" + name, lstImportPackages,
                preaction, postaction, saveaction, saverowaction, savesqlaction, beforeloaddata, afterloaddata,
                beforedisplay, displayperrow, displaypercol);
        if (c != null) {
            try {
                return (IInterceptor) c.newInstance();

            } catch (Exception e) {
                throw new WabacusConfigLoadingException(
                        "?" + name + "", e);
            }
        }
        return null;
    }
}