001/**
002 * Copyright 2010-2016 Boxfuse GmbH
003 * <p/>
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * <p/>
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * <p/>
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.avaje.classpath.scanner.internal.scanner.classpath.android;
017
018import android.content.res.AssetManager;
019import org.avaje.classpath.scanner.internal.FileCopyUtils;
020import org.avaje.classpath.scanner.Resource;
021import org.avaje.classpath.scanner.core.ClassPathScanException;
022
023import java.io.IOException;
024import java.io.InputStreamReader;
025
026/**
027 * Resource within an Android App.
028 */
029public class AndroidResource implements Resource {
030  private final AssetManager assetManager;
031  private final String path;
032  private final String name;
033
034  public AndroidResource(AssetManager assetManager, String path, String name) {
035    this.assetManager = assetManager;
036    this.path = path;
037    this.name = name;
038  }
039
040  public String toString() {
041    return getLocation();
042  }
043
044  @Override
045  public String getLocation() {
046    return path + "/" + name;
047  }
048
049  @Override
050  public String getLocationOnDisk() {
051    return null;
052  }
053
054  @Override
055  public String loadAsString(String encoding) {
056    try {
057      return FileCopyUtils.copyToString(new InputStreamReader(assetManager.open(getLocation()), encoding));
058    } catch (IOException e) {
059      throw new ClassPathScanException("Unable to load asset: " + getLocation(), e);
060    }
061  }
062
063  @Override
064  public byte[] loadAsBytes() {
065    try {
066      return FileCopyUtils.copyToByteArray(assetManager.open(getLocation()));
067    } catch (IOException e) {
068      throw new ClassPathScanException("Unable to load asset: " + getLocation(), e);
069    }
070  }
071
072  @Override
073  public String getFilename() {
074    return name;
075  }
076}