Android Open Source - interdroid-vdb-ui Edit Peer Activity

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The source code is released under:
Copyright (c) 2008-2011 Vrije Universiteit, The Netherlands All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the follo...
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Java Source Code

/*
 * Copyright (c) 2008-2012 Vrije Universiteit, The Netherlands All rights
 * reserved.// w  ww.j a  v a2  s .co m
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the Vrije Universiteit nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package interdroid.vdb.persistence.ui;

import java.net.URISyntaxException;

import interdroid.util.DbUtil;
import interdroid.vdb.Actions;
import interdroid.vdb.R;
import interdroid.vdb.persistence.api.RemoteInfo;
import interdroid.vdb.persistence.api.VdbRepository;
import interdroid.vdb.persistence.content.PeerRegistry;
import interdroid.vdb.persistence.content.PeerRegistry.Peer;


import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.URIish;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import android.app.Activity;
import android.app.TabActivity;
import android.content.ContentValues;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.widget.TabHost;
import android.widget.Toast;

public class EditPeerActivity extends TabActivity {
  private static final Logger logger = LoggerFactory
      .getLogger(EditPeerActivity.class);

  static final int ACTIVITY_SET_PREFERENCES = 0x10101;

  public static class PeerInfo {
    public PeerInfo() { }

    public PeerInfo(String name, String email,
        String device) {
      this.name = name;
      this.email = email;
      this.device = device;
      this.state = Peer.STATE_ADDED;
    }

    public String name;
    public String email;
    public String device;
    public Uri uri;
    public int state;
  }

  @Override
  protected void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);

    Intent intent = getIntent();
    Uri uri = intent.getData();
    logger.debug("Got request to edit peer: {}", uri);

    setTitle(getText(R.string.title_manage_peer));

    // Make sure local prefs are set
    getLocalName(this);

    final TabHost tabHost = getTabHost();

    tabHost.addTab(tabHost.newTabSpec("details")
        .setIndicator(getString(R.string.label_peer_info))
        .setContent(new Intent(
            Actions.ACTION_MANAGE_PEER_INFO,
            uri)));

    tabHost.addTab(tabHost.newTabSpec("local")
        .setIndicator(getString(R.string.label_local_repositories))
        .setContent(new Intent(
            Actions.ACTION_MANAGE_LOCAL_SHARING,
            uri)));

    tabHost.addTab(tabHost.newTabSpec("remote")
        .setIndicator(getString(R.string.label_remote_repositories))
        .setContent(new Intent(
            Actions.ACTION_MANAGE_REMOTE_SHARING,
            uri)));

  }

  static String getLocalName(Activity context) {
    String localName = null;
    SharedPreferences prefs = context.getSharedPreferences(VdbPreferences.PREFERENCES_NAME, MODE_PRIVATE);
    if (prefs.contains(VdbPreferences.PREF_EMAIL) && prefs.contains(VdbPreferences.PREF_DEVICE)) {
      localName = VdbPreferences.makeLocalName(prefs.getString(VdbPreferences.PREF_DEVICE, null), prefs.getString(VdbPreferences.PREF_EMAIL, null));
    } else {
      Toast.makeText(context, R.string.prefs_not_set, Toast.LENGTH_LONG).show();
      context.startActivityForResult(new Intent(context, VdbPreferences.class), ACTIVITY_SET_PREFERENCES);
    }
    return localName;
  }

  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    // Make sure the local name was set properly.
    getLocalName(this);
  }

  public static PeerInfo getPeerInfo(Activity context, Uri uri, Bundle extras) {
    PeerInfo peerInfo = new PeerInfo();

    if (uri == null) {
      peerInfo.email = extras.getString(VdbPreferences.PREF_EMAIL);
      peerInfo.name = extras.getString(VdbPreferences.PREF_NAME);
      peerInfo.device = extras.getString(VdbPreferences.PREF_DEVICE);

      if (peerInfo.name == null) {
        Toast.makeText(context, R.string.error_no_name, Toast.LENGTH_LONG).show();
        return null;
      }
      if (peerInfo.email == null) {
        Toast.makeText(context, R.string.error_no_email, Toast.LENGTH_LONG).show();
        return null;
      }
      // Does this peer already exist?
      Cursor c = context.getContentResolver().query(PeerRegistry.URI, null,
          Peer.EMAIL + "=? AND " + Peer.DEVICE + "=?", new String[] {peerInfo.email, peerInfo.device}, null);
      if (c != null && c.moveToFirst()) {
        logger.warn("Request to add existing peer.");
          peerInfo.uri = Uri.withAppendedPath(PeerRegistry.URI,
              String.valueOf(c.getInt( DbUtil.getFieldIndex(c, Peer._ID))));
          peerInfo.state = c.getInt( DbUtil.getFieldIndex(c, Peer.STATE));
      } else {
        logger.debug("Adding to peers: {} {}", peerInfo.name, peerInfo.email);
        logger.debug("Device: {}", peerInfo.device);
        ContentValues values = new ContentValues();
        values.put(Peer.NAME, peerInfo.name);
        values.put(Peer.EMAIL, peerInfo.email);
        values.put(Peer.DEVICE, peerInfo.device);
        values.put(Peer.STATE, Peer.STATE_NEW);
        peerInfo.uri = context.getContentResolver().insert(PeerRegistry.URI, values);
      }
      if (c != null) {
        c.close();
      }
    } else {
      logger.debug("Querying for peer.");
      peerInfo.uri = uri;
      Cursor c = context.getContentResolver().query(uri, null, null, null, null);
      if (c != null && c.getCount() == 1 && c.moveToFirst()) {
        peerInfo.name = c.getString(DbUtil.getFieldIndex(c, Peer.NAME));
        peerInfo.email = c.getString(DbUtil.getFieldIndex(c, Peer.EMAIL));
        peerInfo.device = c.getString(DbUtil.getFieldIndex(c, Peer.DEVICE));
        peerInfo.state = c.getInt(DbUtil.getFieldIndex(c, Peer.STATE));
        c.close();
      } else {
        Toast.makeText(context, R.string.error_managing_peer, Toast.LENGTH_LONG).show();
        if (c != null) {
          c.close();
        }
        return null;
      }
    }

    return peerInfo;
  }

  // TODO: This belongs somewhere else I think. But where?

  /**
   * May launch SET_PREFERENCES preference activity for result. Callers must be able to handle this result.
   *
   * @param context The activity calling this method
   * @param userName The users name
   * @param userEmail The users email used as the address for a ss:/ uri
   * @param device The name of the device
   * @param localName Our name on the remote
   * @param repo The repository to add to
   * @return true If we successfully added.
   * @throws URISyntaxException
   */
  public static boolean addPeerToRepository(Activity context, PeerInfo peerInfo, VdbRepository repo)
      throws URISyntaxException {
    boolean result = false;
    String localName = EditPeerActivity.getLocalName(context);

    RemoteInfo info = new RemoteInfo();
    info.setType(RemoteInfo.RemoteType.HUB);
    String remoteName = VdbPreferences.makeLocalName(peerInfo.device, peerInfo.email);

    if (peerInfo.email == null || !Repository.isValidRefName("refs/remote/" + peerInfo.email)) {
      Toast.makeText(context, R.string.error_invalid_remote, Toast.LENGTH_LONG).show();
    } else {

      info.setDescription(peerInfo.name);
      info.setName(remoteName);
      info.setOurNameOnRemote(localName);
      URIish uri = new URIish().setScheme("ss").setHost(remoteName).setPath("/" + repo.getName());
      logger.debug("URI is: {}", uri);
      info.setRemoteUri(uri);
      try {
        repo.saveRemote(info);
        logger.info("Repo added.");
        result = true;
      } catch (Exception e) {
        logger.error("Error saving remote", e);
        Toast.makeText(context, R.string.error_toggling_peer, Toast.LENGTH_LONG).show();
      }
    }
    return result;
  }
}
Java Source Code List
