org.saintandreas.resources.FilesystemResourceProvider Maven / Gradle / Ivy

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These wrappers are designed to allow easy access to resources that are shared between C/C++ and Java applications

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package org.saintandreas.resources;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;

public class FilesystemResourceProvider extends InputStreamResourceProvider {
  private final File basePath;

  public FilesystemResourceProvider(File file) {
    this.basePath = file;
  }

  public FilesystemResourceProvider(String file) {
    this(new File(file));
  }

  @Override
  public long getLastModified(Resource r) {
    return getFile(r).lastModified();
  }

  protected File getFile(Resource r) {
    return new File(basePath, r.getPath());
  }

  @Override
  public InputStream getAsInputStream(Resource r) {
    try {
      return new FileInputStream(getFile(r));
    } catch (FileNotFoundException e) {
      throw new IllegalStateException("Could not find file resource " + r.getPath(), e);
    }
  }
}