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The OpenTripPlanner multimodal journey planning system

There is a newer version: 2.6.0

package org.opentripplanner.datastore.file;

import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.util.zip.ZipEntry;
import org.opentripplanner.datastore.api.DataSource;
import org.opentripplanner.datastore.api.FileType;

public class ZipFileEntryDataSource implements DataSource {

  private final ZipFileDataSource dataSource;
  private final ZipEntry entry;

  ZipFileEntryDataSource(ZipFileDataSource dataSource, ZipEntry entry) {
    this.dataSource = dataSource;
    this.entry = entry;
  }

  @Override
  public String name() {
    return entry.getName();
  }

  @Override
  public String path() {
    return name() + " (" + dataSource.path() + ")";
  }

  @Override
  public URI uri() {
    return URI.create(path());
  }

  @Override
  public FileType type() {
    return dataSource.type();
  }

  @Override
  public long size() {
    return entry.getSize();
  }

  @Override
  public long lastModified() {
    return entry.getLastModifiedTime().toMillis();
  }

  @Override
  public boolean isWritable() {
    return false;
  }

  @Override
  public InputStream asInputStream() {
    try {
      return dataSource.zipFile().getInputStream(entry);
    } catch (IOException e) {
      throw new RuntimeException("Failed to read " + path() + ": " + e.getLocalizedMessage(), e);
    }
  }

  @Override
  public String toString() {
    return type() + " " + path();
  }
}