Android Open Source - rwestful-android Storage Write Handler

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License

The source code is released under:

MIT License

Java Source Code

package com.rwestful.android.web.handlers.storage;
/*from   w  w w .j  a  v  a2  s.  c  o m*/
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;

import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.entity.ContentProducer;
import org.apache.http.entity.EntityTemplate;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpRequestHandler;

import android.content.Context;
import android.net.Uri;
import android.os.Environment;
import android.util.Log;

import com.rwestful.android.constants.Constants;

public class StorageWriteHandler implements HttpRequestHandler {

  private Boolean append = null;

  static final String LOG_TAG = "STORAGE_WRITE_HANDLER";

  public StorageWriteHandler(Boolean append) {
    this.append = append;
  }

  @Override
  public void handle(HttpRequest request, HttpResponse response,
      HttpContext httpContext) throws HttpException, IOException {
    String contentType = "text/html";
    final String uriString = request.getRequestLine().getUri();
    Uri uri = Uri.parse(uriString);

    Log.i(LOG_TAG, uri.getPath());
    Log.i(LOG_TAG, uri.getPathSegments().toString());

    final List<String> pathsegments = uri.getPathSegments();
    Log.i(LOG_TAG, uri.getPathSegments().toString());
    final String command = pathsegments.get(0);
    Log.i(LOG_TAG, uri.getPathSegments().toString());
    final String function = pathsegments.get(1);
    Log.i(LOG_TAG, uri.getPathSegments().toString());
    final List<String> directorysegments = pathsegments.subList(2, pathsegments.size() - 1);
    Log.i(LOG_TAG, uri.getPathSegments().toString());
    final String filename = uri.getLastPathSegment();
    Log.i(LOG_TAG, uri.getPathSegments().toString());
    Log.i(LOG_TAG, directorysegments.toString());
    Log.i(LOG_TAG, filename);

    // Boom baby.. combined can never be null since it is appended later on
    File combined = new File(File.separator);

    for (String directory : directorysegments) {
      combined = new File(combined, directory);
    }

    final File directory = new File(
        Environment
            .getExternalStoragePublicDirectory(Constants.STORAGE_FOLDER),
        combined.toString());
    
    final File file = new File(directory, filename);
    final List<String> lines = uri.getQueryParameters("line");

    // List String pathsegments = uri.getPathSegments();
    Log.i(LOG_TAG, uri.getLastPathSegment());
    Log.i(LOG_TAG, uri.getQueryParameters("line").toString());
    Log.i(LOG_TAG, command);
    Log.i(LOG_TAG, function);
    Log.i(LOG_TAG, combined.toString());
    Log.i(LOG_TAG, pathsegments.subList(2, pathsegments.size() - 1)
        .toString());

    if (!directory.mkdirs()) {
      Log.e(LOG_TAG, "Directory not created");
    } else {
      Log.i(LOG_TAG, "Directory ensured");
    }

    FileOutputStream fileOutputSteam = null;

    final String newline = System.getProperty("line.separator");

    try {
      fileOutputSteam = new FileOutputStream(file, append);
      for (String line : lines) {
        fileOutputSteam.write(line.getBytes());
        fileOutputSteam.write(newline.getBytes());
      }
    } finally {
      if (fileOutputSteam != null) {
        fileOutputSteam.close();
      }
    }

    EntityTemplate entity = new EntityTemplate(new ContentProducer() {
      public void writeTo(final OutputStream outstream)
          throws IOException {
        OutputStreamWriter writer = null;
        try {
          writer = new OutputStreamWriter(outstream,
              Constants.CHARSET_UTF8);

          writer.write(filename.toString());
          writer.write(newline);
          writer.write(file.toString());
          writer.write(newline);
          writer.write(directory.toString());
        } finally {
          if (writer != null) {
            writer.close();
          }
        }
      }
    });

    entity.setContentType(Constants.CONTENT_TYPE);

    response.setEntity(entity);
  }

}

Java Source Code List

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