ListNodesHelper.java

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package com.sun.enterprise.v3.admin.cluster;

import com.sun.enterprise.config.serverbeans.Servers;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.config.serverbeans.Nodes;
import com.sun.enterprise.config.serverbeans.Node;
import com.sun.enterprise.util.cluster.NodeInfo;
import java.util.logging.Logger;
import java.util.List;
import java.util.LinkedList;


public class ListNodesHelper {


    private Servers servers;

    private static final String EOL = "\n";

    String listType;
    boolean long_opt;
    boolean terse;
    List<Node>  nodeList;
    List<NodeInfo> infos = new LinkedList<NodeInfo>();

    public ListNodesHelper(Logger _logger, Servers servers, Nodes nodes, String type, boolean long_opt, boolean terse) {
        this.listType = type;
        this.long_opt = long_opt;
        this.terse = terse;
        this.servers = servers;
        nodeList=nodes.getNode();
        infos = new LinkedList<NodeInfo>();
    }

    public String getNodeList() {

        StringBuilder sb = new StringBuilder();
        boolean firstNode = true;

        for (Node n : nodeList) {

            String name = n.getName();
            String nodeType = n.getType();
            String host = n.getNodeHost();
            String installDir = n.getInstallDir();

            if (!listType.equals(nodeType) && !listType.equals("ALL"))
                continue;

            if (firstNode)
                firstNode = false;
            else
                sb.append(EOL);

            if (terse)
                sb.append(name);
            else if (!long_opt)
                sb.append(name).append("  ").append(nodeType).append("  ").append(host);

            if (long_opt){
                List<Server> serversOnNode = servers.getServersOnNode(n);
                StringBuilder instanceList = new StringBuilder();
                if (serversOnNode.size() > 0) {
                    int i = 0;
                    for (Server server: serversOnNode){
                        if (i > 0)
                            instanceList.append(", ");
                        instanceList.append(server.getName());
                        i++;
                    }
                }
                NodeInfo ni = new NodeInfo( name,  host,  installDir,
                        nodeType,  instanceList.toString());
                infos.add(ni);
            }
        }
        if (long_opt)
            return  NodeInfo.format(infos);
        else
            return sb.toString();

    }
}