com.liferay.portlet.layoutconfiguration.util.velocity.TemplateProcessor.java Source code

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Here is the source code for com.liferay.portlet.layoutconfiguration.util.velocity.TemplateProcessor.java

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/**
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library 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 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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.
 */

package com.liferay.portlet.layoutconfiguration.util.velocity;

import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.model.Portlet;
import com.liferay.portal.util.comparator.PortletRenderWeightComparator;

import java.util.HashMap;
import java.util.Map;
import java.util.TreeMap;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author Ivica Cardic
 * @author Brian Wing Shun Chan
 * @author Shuyang Zhou
 */
public class TemplateProcessor implements ColumnProcessor {

    public TemplateProcessor(ServletContext servletContext, HttpServletRequest request,
            HttpServletResponse response, String portletId) {

        _servletContext = servletContext;
        _request = request;
        _response = response;
        _portletId = portletId;
        _portletsMap = new TreeMap<Portlet, Object[]>(new PortletRenderWeightComparator());
    }

    public String processColumn(String columnId) throws Exception {
        return processColumn(columnId, StringPool.BLANK);
    }

    public String processColumn(String columnId, String classNames) throws Exception {

        Map<String, String> attributes = new HashMap<String, String>();

        attributes.put("id", columnId);
        attributes.put("classNames", classNames);

        PortletColumnLogic logic = new PortletColumnLogic(_servletContext, _request, _response);

        String content = logic.processContent(attributes);

        _portletsMap.putAll(logic.getPortletsMap());

        return content;
    }

    public String processMax() throws Exception {
        return processMax(StringPool.BLANK);
    }

    public String processMax(String classNames) throws Exception {
        Map<String, String> attributes = new HashMap<String, String>();

        attributes.put("classNames", classNames);

        RuntimeLogic logic = new PortletLogic(_servletContext, _request, _response, _portletId);

        return logic.processContent(attributes);
    }

    public String processPortlet(String portletId) throws Exception {
        try {
            _request.setAttribute(WebKeys.RENDER_PORTLET_RESOURCE, Boolean.TRUE);

            RuntimeLogic logic = new PortletLogic(_servletContext, _request, _response, portletId);

            return logic.processContent(new HashMap<String, String>());
        } finally {
            _request.removeAttribute(WebKeys.RENDER_PORTLET_RESOURCE);
        }
    }

    public Map<Portlet, Object[]> getPortletsMap() {
        return _portletsMap;
    }

    private ServletContext _servletContext;
    private HttpServletRequest _request;
    private HttpServletResponse _response;
    private String _portletId;
    private Map<Portlet, Object[]> _portletsMap;

}