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/*
 * Copyright 2009 David M. Johnson.
 *
 * 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 org.rollerweblogger.plugins;

import com.ecyrd.jspwiki.WikiContext;
import com.ecyrd.jspwiki.plugin.PluginException; 
import com.ecyrd.jspwiki.plugin.WikiPlugin;
import java.util.Map;

/**
 * Plugin that establishes SocialSite context for page owned by group.
 * <pre>
 * [{SocialSiteGroupContext group='' consumerUri="" authUri=''}]
 * </pre>
 * @author Dave Johnson
 */
public class SocialSiteGroupContext implements WikiPlugin {

    public String execute(WikiContext context, Map params) throws PluginException {

        String group = (String)params.get("group");
        String consumerUri = (String)params.get("consumerUri");
        String authUri = (String)params.get("authUri");

        if (context.getWikiSession().isAuthenticated()) {
            authUri += "?viewer=" + context.getWikiSession().getUserPrincipal().getName();
        }

        StringBuilder sb = new StringBuilder();
        sb.append("<script type='text/javascript' src='").append(consumerUri).append("'></script>");
        sb.append("<script type='text/javascript'>");
        sb.append("  socialsite.setContext({");
        sb.append("    'attributes': {");
        sb.append("      'groupHandle': '").append(group).append("'");
        sb.append("    },");
        sb.append("    'delegate': {");
        sb.append("      'method': 'GET',");
        sb.append("      'url': '").append(authUri).append("',");
        sb.append("      'headers': {");
        sb.append("        'cookie': document.cookie");
        sb.append("      }");
        sb.append("    }");
        sb.append("  });");
        sb.append("</script>");

        return sb.toString();
    }
}