Android Open Source - jmini3d Resource Loader

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Back to project page jmini3d.

License

The source code is released under:

Copyright 2012 Mobialia http://www.mobialia.com/ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to ...

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Java Source Code

package jmini3d.android;
/*from ww  w  .ja v  a2s. c  o m*/
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.Log;

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

public class ResourceLoader {
  static final String TAG = "ResourceLoader";

  Context context;

  HashMap<String, Bitmap> customBitmaps = new HashMap<String, Bitmap>();

  public ResourceLoader(Context ctx) {
    this.context = ctx;
  }

  public Bitmap getImage(String image) {
    if (customBitmaps.containsKey(image)) {
      return customBitmaps.get(image);
    }

    if (image.lastIndexOf(".") > 0) {
      image = image.substring(0, image.lastIndexOf("."));
    }

    String uri = "drawable/" + image;
    int imageResource = context.getResources().getIdentifier(uri, null, context.getPackageName());

    if (imageResource == 0) {
      Log.e(TAG, "Image not found in resources: " + image);
      return null;
    }

    try {
      return makeBitmapFromInputStream(context.getResources().openRawResource(imageResource));
    } catch (Exception e) {
      e.printStackTrace();
      return null;
    }
  }

  public Bitmap makeBitmapFromInputStream(InputStream is) {
    Bitmap bitmap;
    try {
      bitmap = BitmapFactory.decodeStream(is);
    } finally {
      try {
        is.close();
      } catch (IOException e) {
        // Ignore.
      }
    }
    return bitmap;
  }

  public void freeBitmap(String name, Bitmap bitmap) {
    if (name != null && customBitmaps.containsKey(name)) {
//      customBitmaps.remove(name);
    } else {
      bitmap.recycle();
    }
  }

  public void addCustomBitmap(String name, Bitmap bitmap) {
    customBitmaps.put(name, bitmap);
  }

  public Context getContext() {
    return context;
  }

  public String loadRawString(int id) {
    try {
      InputStream inputStream = context.getResources().openRawResource(id);
      ;
      return inputStream2String(inputStream);
    } catch (Exception e) {
      return null;
    }
  }

  private String inputStream2String(InputStream inputStream) {
    try {
      byte[] b = new byte[inputStream.available()];
      inputStream.read(b);
      return new String(b);
    } catch (Exception e) {
      e.printStackTrace();
    }
    return null;
  }
}

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