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Yaaic/src/org/yaaic/activity/AddServerActivity.java

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/*
Yaaic - Yet Another Android IRC Client
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Copyright 2009-2010 Sebastian Kaspari
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This file is part of Yaaic.
Yaaic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Yaaic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Yaaic. If not, see <http://www.gnu.org/licenses/>.
*/
package org.yaaic.activity;
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import java.io.UnsupportedEncodingException;
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import java.util.regex.Pattern;
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import android.app.Activity;
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import android.net.Uri;
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import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
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import android.widget.ArrayAdapter;
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import android.widget.Button;
import android.widget.CheckBox;
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import android.widget.EditText;
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import android.widget.Spinner;
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import android.widget.Toast;
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import org.yaaic.R;
import org.yaaic.Yaaic;
import org.yaaic.db.Database;
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import org.yaaic.exception.ValidationException;
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import org.yaaic.model.Extra;
import org.yaaic.model.Identity;
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import org.yaaic.model.Server;
import org.yaaic.model.Status;
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/**
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* Add a new server to the list
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*
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* @author Sebastian Kaspari <sebastian@yaaic.org>
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*/
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public class AddServerActivity extends Activity implements OnClickListener
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{
private Server server;
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/**
* On create
*/
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@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.serveradd);
((Button) findViewById(R.id.add)).setOnClickListener(this);
((Button) findViewById(R.id.cancel)).setOnClickListener(this);
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Spinner spinner = (Spinner) findViewById(R.id.charset);
String[] charsets = getResources().getStringArray(R.array.charsets);
ArrayAdapter<CharSequence> adapter = new ArrayAdapter<CharSequence>(this, android.R.layout.simple_spinner_item, charsets);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
Bundle extras = getIntent().getExtras();
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if (extras != null && extras.containsKey(Extra.SERVER)) {
// Request to edit an existing server
Database db = new Database(this);
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this.server = db.getServerById(extras.getInt(Extra.SERVER));
db.close();
// Set server values
((EditText) findViewById(R.id.title)).setText(server.getTitle());
((EditText) findViewById(R.id.host)).setText(server.getHost());
((EditText) findViewById(R.id.port)).setText(String.valueOf(server.getPort()));
((EditText) findViewById(R.id.password)).setText(server.getPassword());
((EditText) findViewById(R.id.nickname)).setText(server.getIdentity().getNickname());
((EditText) findViewById(R.id.ident)).setText(server.getIdentity().getIdent());
((EditText) findViewById(R.id.realname)).setText(server.getIdentity().getRealName());
((CheckBox) findViewById(R.id.useSSL)).setChecked(server.useSSL());
((Button) findViewById(R.id.add)).setText("Save");
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// Select charset
if (server.getCharset() != null) {
for (int i = 0; i < charsets.length; i++) {
if (server.getCharset().equals(charsets[i])) {
spinner.setSelection(i);
break;
}
}
}
}
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Uri uri = getIntent().getData();
if (uri != null && uri.getScheme().equals("irc")) {
// handling an irc:// uri
((EditText) findViewById(R.id.host)).setText(uri.getHost());
if (uri.getPort() != -1) {
((EditText) findViewById(R.id.port)).setText(String.valueOf(uri.getPort()));
}
}
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}
/**
* On click add server or cancel activity
*/
public void onClick(View v)
{
switch (v.getId()) {
case R.id.add:
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try {
validateServer();
validateIdentity();
if (server == null) {
addServer();
} else {
updateServer();
}
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setResult(RESULT_OK);
finish();
} catch(ValidationException e) {
Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
}
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break;
case R.id.cancel:
setResult(RESULT_CANCELED);
finish();
break;
}
}
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/**
* Add server to database
*/
private void addServer()
{
Database db = new Database(this);
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Identity identity = getIdentityFromView();
long identityId = db.addIdentity(
identity.getNickname(),
identity.getIdent(),
identity.getRealName()
);
Server server = getServerFromView();
long serverId = db.addServer(
server.getTitle(),
server.getHost(),
server.getPort(),
server.getPassword(),
false, // auto connect
server.useSSL(),
identityId,
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server.getCharset()
);
db.close();
server.setId((int) serverId);
server.setIdentity(identity);
Yaaic.getInstance().addServer(server);
}
/**
* Update server
*/
private void updateServer()
{
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Database db = new Database(this);
int serverId = this.server.getId();
int identityId = db.getIdentityIdByServerId(serverId);
Server server = getServerFromView();
db.updateServer(
serverId,
server.getTitle(),
server.getHost(),
server.getPort(),
server.getPassword(),
false, // auto connect
server.useSSL(),
identityId,
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server.getCharset()
);
Identity identity = getIdentityFromView();
db.updateIdentity(
identityId,
identity.getNickname(),
identity.getIdent(),
identity.getNickname()
);
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db.close();
server.setId(this.server.getId());
server.setIdentity(identity);
Yaaic.getInstance().updateServer(server);
}
/**
* Populate a server object from the data in the view
*
* @return The server object
*/
private Server getServerFromView()
{
String title = ((EditText) findViewById(R.id.title)).getText().toString();
String host = ((EditText) findViewById(R.id.host)).getText().toString();
int port = Integer.parseInt(((EditText) findViewById(R.id.port)).getText().toString());
String password = ((EditText) findViewById(R.id.password)).getText().toString();
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String charset = ((Spinner) findViewById(R.id.charset)).getSelectedItem().toString();
Boolean useSSL = ((CheckBox) findViewById(R.id.useSSL)).isChecked();
// not in use yet
//boolean autoConnect = ((CheckBox) findViewById(R.id.autoconnect)).isChecked();
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Server server = new Server();
server.setHost(host);
server.setPort(port);
server.setPassword(password);
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server.setTitle(title);
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server.setCharset(charset);
server.setUseSSL(useSSL);
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server.setStatus(Status.DISCONNECTED);
return server;
}
/**
* Populate an identity object from the data in the view
*
* @return The identity object
*/
private Identity getIdentityFromView()
{
String nickname = ((EditText) findViewById(R.id.nickname)).getText().toString();
String ident = ((EditText) findViewById(R.id.ident)).getText().toString();
String realname = ((EditText) findViewById(R.id.realname)).getText().toString();
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Identity identity = new Identity();
identity.setNickname(nickname);
identity.setIdent(ident);
identity.setRealName(realname);
return identity;
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}
/**
* Validate the input for a server
*
* @throws ValidationException
*/
private void validateServer() throws ValidationException
{
String title = ((EditText) findViewById(R.id.title)).getText().toString();
String host = ((EditText) findViewById(R.id.host)).getText().toString();
String port = ((EditText) findViewById(R.id.port)).getText().toString();
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String charset = ((Spinner) findViewById(R.id.charset)).getSelectedItem().toString();
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if (title.trim().equals("")) {
throw new ValidationException("Title cannot be blank");
}
if (host.trim().equals("")) {
// XXX: We should use some better host validation
throw new ValidationException("Host cannot be blank");
}
try {
Integer.parseInt(port);
} catch (NumberFormatException e) {
throw new ValidationException("Enter a numeric port");
}
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try {
"".getBytes(charset);
}
catch (UnsupportedEncodingException e) {
throw new ValidationException("Charset is not supported by your device");
}
Database db = new Database(this);
if (db.isTitleUsed(title) && (server == null || !server.getTitle().equals(title))) {
db.close();
throw new ValidationException("There is already a server with this title");
}
db.close();
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}
/**
* Validate the input for a identity
*
* @throws ValidationException
*/
private void validateIdentity() throws ValidationException
{
String nickname = ((EditText) findViewById(R.id.nickname)).getText().toString();
String ident = ((EditText) findViewById(R.id.ident)).getText().toString();
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String realname = ((EditText) findViewById(R.id.realname)).getText().toString();
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if (nickname.trim().equals("")) {
throw new ValidationException("Nickname cannot be blank");
}
if (ident.trim().equals("")) {
throw new ValidationException("Ident cannot be blank");
}
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if (realname.trim().equals("")) {
throw new ValidationException("Realname cannot be blank");
}
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// RFC 1459: <nick> ::= <letter> { <letter> | <number> | <special> }
// <special> ::= '-' | '[' | ']' | '\' | '`' | '^' | '{' | '}'
// Chars that are not in RFC 1459 but are supported too:
// | and _
Pattern nickPattern = Pattern.compile("^[a-zA-Z][a-zA-Z0-9^-`\\[\\]{}|_\\\\]*$");
if (!nickPattern.matcher(nickname).matches()) {
throw new ValidationException("Invalid nickname");
}
// We currently only allow chars as ident
Pattern identPattern = Pattern.compile("^[a-zA-Z]+$");
if (!identPattern.matcher(ident).matches()) {
throw new ValidationException("Invalid ident");
}
}
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}