Android Open Source - android-weblogic-monitor Web Logic Demo Rest Adapter

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * *************************************************************************
 *//from   w  w w . j a  va2s  .  c  om
 * Copyright (c) 2013 - Jeffrey A. West Designs
 *
 * This code is provided for example purposes only.  Neither Oracle nor
 * Jeffrey A. West assume any responsibility or liability for the consequences
 *  of using this code. If you choose to use this code for any reason,
 * including but not limited to its use as an example you do so at your own
 * risk and without the support of Oracle.
 *
 * This code is provided under the following licenses:
 *  - GNU General Public License (GPL-2.0)
 *
 * **************************************************************************
 */

package com.jeffreyawest.weblogic.rest;

import android.util.Log;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.jeffreyawest.weblogic.entity.Application;
import com.jeffreyawest.weblogic.entity.Cluster;
import com.jeffreyawest.weblogic.entity.Datasource;
import com.jeffreyawest.weblogic.entity.Server;
import com.jeffreyawest.weblogic.entity.WebLogicEntity;
import com.jeffreyawest.weblogic.monitor.WebLogicMonitor;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

/**
 * Created by jeffreyawest on 8/17/13.
 */
public class WebLogicDemoRestAdapter extends WebLogicRestAdapter
{

  private static final String LOG_TAG = "WebLogicDemoRestAdapter";
  private HashMap<String, Server> servers;
  private HashMap<String, Cluster> clusters;
  private HashMap<String, Datasource> datasources;
  private HashMap<String, Application> applications;
  private HashMap<Class<? extends WebLogicEntity>, HashMap<String, ? extends WebLogicEntity>> entityHashMap;

  public WebLogicDemoRestAdapter()
  {

    entityHashMap = new HashMap<Class<? extends WebLogicEntity>, HashMap<String, ? extends WebLogicEntity>>(7);

    try
    {
      servers = initObjects("servers.json", Server.class);
      entityHashMap.put(Server.class, servers);

      clusters = initObjects("clusters.json", Cluster.class);
      entityHashMap.put(Cluster.class, clusters);

      applications = initObjects("applications.json", Application.class);
      entityHashMap.put(Application.class, applications);

      datasources = initObjects("datasources.json", Datasource.class);
      entityHashMap.put(Datasource.class, datasources);
    } catch (Exception e)
    {
      e.printStackTrace();
    }
  }

  private String getFileData(String assetName) throws IOException
  {

    String returnMe = null;
    InputStream is = null;

    try
    {

      is = WebLogicMonitor.getInstance().getResources().getAssets().open(assetName);
      byte[] buffer = new byte[is.available()];
      int bytesRead = is.read(buffer);

      if (bytesRead != buffer.length)
      {
        throw new IOException("Read [" + bytesRead + "] bytes but expected [" + buffer.length + "]");
      }
      is.close();
      returnMe = new String(buffer);
    } finally
    {
      if (is != null)
      {
        try
        {
          is.close();
        } catch (Exception ignore)
        {
        }
      }
    }
    return returnMe;
  }

  private <T extends WebLogicEntity> HashMap<String, T> initObjects(String assetFileName, Class<T> theClass)
  {

    HashMap<String, T> returnMe = new HashMap<String, T>(7);

    JSONObject jsonMessage = null;
    ObjectMapper om = new ObjectMapper();

    try
    {
      String json = getFileData(assetFileName);
      jsonMessage = new JSONObject(json);

      Log.v(LOG_TAG, "Class: " + theClass + " JSON: " + jsonMessage.toString(2));

      JSONArray array = jsonMessage.getJSONObject("body").getJSONArray("items");

      for (int i = 0; i < array.length(); i++)
      {
        T theType = om.readValue(array.getString(i), theClass);
        theType.setOriginalJSON(jsonMessage.toString(2));

        returnMe.put(theType.getName(), theType);
      }
    } catch (JSONException e)
    {
      e.printStackTrace();
    } catch (Exception e)
    {
      e.printStackTrace();
    }
    return returnMe;
  }

  @Override
  public <T extends WebLogicEntity> List<T> getResourcesList(Class<T> theClass)
  {

    return new ArrayList(entityHashMap.get(theClass).values());
  }

  @Override
  public <T extends WebLogicEntity> T getResource(Class<T> theClass, String pName)
  {

    return (T) entityHashMap.get(theClass).get(pName);
  }
}

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