com.agiletec.aps.tags.PageWithWidgetTag.java Source code

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Here is the source code for com.agiletec.aps.tags.PageWithWidgetTag.java

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/*
*
* Copyright 2013 Entando S.r.l. (http://www.entando.com) All rights reserved.
*
* This file is part of Entando software.
* Entando is a free software;
* You can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation; version 2.
* 
* See the file License for the specific language governing permissions   
* and limitations under the License
* 
* 
* 
* Copyright 2013 Entando S.r.l. (http://www.entando.com) All rights reserved.
*
*/
package com.agiletec.aps.tags;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.agiletec.aps.system.SystemConstants;
import com.agiletec.aps.system.services.page.IPage;
import com.agiletec.aps.system.services.page.IPageManager;
import com.agiletec.aps.system.services.page.Widget;
import com.agiletec.aps.util.ApsProperties;
import com.agiletec.aps.util.ApsWebApplicationUtils;

/**
 * Search and return the page (or the list of pages) with the given widget type.
 */
public class PageWithWidgetTag extends TagSupport {

    private static final Logger _logger = LoggerFactory.getLogger(PageWithWidgetTag.class);

    @Override
    public int doStartTag() throws JspException {
        IPageManager pageManager = (IPageManager) ApsWebApplicationUtils.getBean(SystemConstants.PAGE_MANAGER,
                this.pageContext);
        try {
            List<IPage> pages = pageManager.getWidgetUtilizers(this.getWidgetTypeCode());
            if (StringUtils.isNotBlank(this.getFilterParamName())
                    && StringUtils.isNotBlank(this.getFilterParamValue())) {
                pages = this.filterByConfigParamValue(pages);
            }
            if (this.isListResult()) {
                this.pageContext.setAttribute(this.getVar(), pages);
            } else if (null != pages && pages.size() > 0) {
                this.pageContext.setAttribute(this.getVar(), pages.get(0));
            }
        } catch (Throwable t) {
            _logger.error("Error in doStartTag", t);
            //ApsSystemUtils.logThrowable(t, this, "doStartTag");
            throw new JspException("Error in doStartTag", t);
        }
        return super.doStartTag();
    }

    protected List<IPage> filterByConfigParamValue(List<IPage> pages) {
        List<IPage> filteredPages = new ArrayList<IPage>();
        Iterator<IPage> it = pages.iterator();
        while (it.hasNext()) {
            IPage currentPage = it.next();
            Widget[] showlets = currentPage.getWidgets();
            for (int i = 0; i < showlets.length; i++) {
                Widget currentWidget = showlets[i];
                if (null != currentWidget && currentWidget.getType().getCode().equals(this.getWidgetTypeCode())) {
                    ApsProperties config = currentWidget.getConfig();
                    if (null != config) {
                        String value = config.getProperty(this.getFilterParamName());
                        if (StringUtils.isNotBlank(value) && value.equals(this.getFilterParamValue())) {
                            filteredPages.add(currentPage);
                        }
                    }
                }
            }
        }
        return filteredPages;
    }

    @Override
    public void release() {
        super.release();
        this.setWidgetTypeCode(null);
        this.setVar(null);
        this.setListResult(false);
        this.setFilterParamValue(null);
        this.setFilterParamName(null);
    }

    public String getVar() {
        return _var;
    }

    public void setVar(String var) {
        this._var = var;
    }

    public boolean isListResult() {
        return _listResult;
    }

    public void setListResult(boolean listResult) {
        this._listResult = listResult;
    }

    public String getFilterParamName() {
        return _filterParamName;
    }

    public void setFilterParamName(String filterParamName) {
        this._filterParamName = filterParamName;
    }

    public String getFilterParamValue() {
        return _filterParamValue;
    }

    public void setFilterParamValue(String filterParamValue) {
        this._filterParamValue = filterParamValue;
    }

    public String getWidgetTypeCode() {
        return _widgetTypeCode;
    }

    public void setWidgetTypeCode(String widgetTypeCode) {
        this._widgetTypeCode = widgetTypeCode;
    }

    private String _widgetTypeCode;
    private String _var;
    private boolean _listResult;
    private String _filterParamName;
    private String _filterParamValue;

}