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Core classes for DevTools

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package eu.cedarsoft.devtools;

import eu.cedarsoft.utils.CmdLine;
import eu.cedarsoft.utils.Renderer;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.Arrays;

/**
 *
 */
public class FileTools {
  private FileTools() {
  }

  @NotNull
  public static File readFile( @NotNull CmdLine cmdLine, @NotNull String description ) throws IOException {
    return readFile( cmdLine, description, new File( "." ).listFiles() );
  }

  @NotNull
  public static File readFile( @NotNull CmdLine cmdLine, @NotNull String description, @NotNull @NonNls final String suffix ) throws IOException {
    return readFile( cmdLine, description, new File( "." ).listFiles( new FilenameFilter() {
      public boolean accept( File dir, String name ) {
        return name.endsWith( suffix );
      }
    } ) );
  }

  @NotNull
  public static File readFile( @NotNull CmdLine cmdLine, @NotNull String description, @Nullable File[] proposals ) throws IOException {
    return cmdLine.readSelection( description, Arrays.asList( proposals ), new Renderer() {
      @NotNull
      public String render( @NotNull File object, @Nullable Object context ) {
        return object.getName();
      }
    } );
  }
}