AllowedContentsTag.java

/*
*
* 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.plugins.jpfastcontentedit.aps.tags;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;

import com.agiletec.aps.system.ApsSystemUtils;
import com.agiletec.aps.system.RequestContext;
import com.agiletec.aps.system.SystemConstants;
import com.agiletec.aps.system.common.entity.model.EntitySearchFilter;
import com.agiletec.aps.system.services.user.UserDetails;
import com.agiletec.aps.util.ApsWebApplicationUtils;
import com.agiletec.plugins.jacms.aps.system.JacmsSystemConstants;
import com.agiletec.plugins.jacms.aps.system.services.content.IContentManager;
import com.agiletec.plugins.jacms.aps.system.services.content.widget.IContentListWidgetHelper;
import com.agiletec.plugins.jacms.aps.system.services.content.widget.IContentListTagBean;
import com.agiletec.plugins.jacms.aps.system.services.content.widget.UserFilterOptionBean;
import com.agiletec.plugins.jpfastcontentedit.aps.internalservlet.content.helper.IContentActionHelper;
import com.agiletec.plugins.jpfastcontentedit.aps.system.JpFastContentEditSystemConstants;

public class AllowedContentsTag extends TagSupport implements IContentListTagBean {
	public AllowedContentsTag() {
		super();
		this.release();
	}
	@Override
	public int doStartTag() throws JspException {
		HttpSession session = this.pageContext.getSession();
		ServletRequest request =  this.pageContext.getRequest();
		RequestContext reqCtx = (RequestContext) request.getAttribute(RequestContext.REQCTX);
		UserDetails currentUser = (UserDetails) session.getAttribute(SystemConstants.SESSIONPARAM_CURRENT_USER);
		IContentListWidgetHelper contentListHelper = (IContentListWidgetHelper) ApsWebApplicationUtils.getBean(JacmsSystemConstants.CONTENT_LIST_HELPER, this.pageContext);
		IContentActionHelper helper = (IContentActionHelper) ApsWebApplicationUtils.getBean(JpFastContentEditSystemConstants.FRONT_CONTENT_ACTION_HELPER, this.pageContext);
		try {
			Set<String> contentIds = new HashSet<String>();
			String authorAttributeName = helper.getAuthorAttributeName((HttpServletRequest) request);
			if (null != authorAttributeName && authorAttributeName.trim().length() > 0) {
				EntitySearchFilter authorFilter = new EntitySearchFilter(authorAttributeName, true, currentUser.getUsername(), false);
				this.addFilter(authorFilter);
				contentIds.addAll(contentListHelper.getContentsId(this, reqCtx));
				this._filters = new EntitySearchFilter[0];
			}
			EntitySearchFilter lastEditorFilter = new EntitySearchFilter(IContentManager.CONTENT_LAST_EDITOR_FILTER_KEY, false, currentUser.getUsername(), false);
			this.addFilter(lastEditorFilter);
			contentIds.addAll(contentListHelper.getContentsId(this, reqCtx));
                        this.pageContext.setAttribute(this.getVar(), contentIds);
		} catch (Throwable t) {
			ApsSystemUtils.logThrowable(t, this, "doStartTag");
			throw new JspException("Error during tag initialization ", t);
		}
		return super.doStartTag();
	}
        
        public int doEndTag() throws JspException {
		this.release();
		return super.doEndTag();
	}
	
	@Override
	public String getContentType() {
		return _contentType;
	}
	@Override
	public void setContentType(String contentType) {
		this._contentType = contentType;
	}
	
	@Override
	public String getCategory() {
		return null;
	}
	
	@Override
	public void addFilter(EntitySearchFilter filter) {
		int len = this._filters.length;
		EntitySearchFilter[] newFilters = new EntitySearchFilter[len + 1];
		for(int i=0; i < len; i++){
			newFilters[i] = this._filters[i];
		}
		newFilters[len] = filter;
		this._filters = newFilters;
	}
	@Override
	public EntitySearchFilter[] getFilters() {
		return this._filters;
	}
	@Override
	public String getListName() {
		return "AllowedContentsTag_list_name_";
	}
	@Override
	public boolean isCacheable() {
		return false;
	}
	@Override
	public void setCategory(String category) {
		//nothing to do
	}
	
	@Override
	public void addCategory(String category) {
		//nothing to do
	}

	@Override
	public String[] getCategories() {
		//nothing to do
		return null;
	}

	public String getVar() {
		return _var;
	}
	public void setVar(String var) {
		this._var = var;
	}
	
	@Override
	public void release() {
		this._var = null;
		this._contentType = null;
		this._filters = new EntitySearchFilter[0];
	}
	
	@Override
	public void addUserFilterOption(UserFilterOptionBean filter) {
		// nothing to do
	}
	@Override
	public List<UserFilterOptionBean> getUserFilterOptions() {
		// nothing to do
		return null;
	}
	
	private String _contentType;
	private EntitySearchFilter[] _filters = new EntitySearchFilter[0];
	
	private String _var;
	
}