playn.java.JavaAssetManager.java Source code

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Here is the source code for playn.java.JavaAssetManager.java

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/**
 * Copyright 2010 The PlayN Authors
 * 
 * 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 playn.java;

import java.awt.image.BufferedImage;
import java.io.File;

import javax.imageio.ImageIO;

import com.google.common.base.Charsets;
import com.google.common.io.Files;

import playn.core.AbstractAssetManager;
import playn.core.Image;
import playn.core.PlayN;
import playn.core.ResourceCallback;
import playn.core.Sound;

/**
 * TODO(jgw): Make it possible to add more filesystem roots.
 */
public class JavaAssetManager extends AbstractAssetManager {

    private String pathPrefix = "war";

    public void setPathPrefix(String prefix) {
        pathPrefix = prefix;
    }

    /**
     * @param collection is ignored
     * @param key the path to the file
     */
    @Override
    protected Image doGetImage(String path) {
        File imgFile = new File(pathPrefix, path);
        try {
            BufferedImage img = ImageIO.read(imgFile);
            return new JavaImage(img);
        } catch (Exception e) {
            PlayN.log().warn("Could not load image at " + imgFile, e);
            return new JavaImage(e);
        }
    }

    @Override
    protected Sound doGetSound(String path) {
        // Java won't play *.mp3, so for now use *.wav exclusively
        path += ".wav";
        File file = new File(pathPrefix, path);
        return ((JavaAudio) PlayN.audio()).createSound(file);
    }

    @Override
    protected void doGetText(String path, ResourceCallback<String> callback) {
        try {
            callback.done(Files.toString(new File(pathPrefix, path), Charsets.UTF_8));
        } catch (Throwable e) {
            callback.error(e);
        }
    }
}