Java tutorial
/** * Copyright (C) 2010-2012 Regis Montoya (aka r3gis - www.r3gis.fr) * This file is part of CSipSimple. * * CSipSimple 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. * If you own a pjsip commercial license you can also redistribute it * and/or modify it under the terms of the GNU Lesser General Public License * as an android library. * * CSipSimple 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 CSipSimple. If not, see <http://www.gnu.org/licenses/>. */ package com.csipsimple.wizards.impl; import android.preference.EditTextPreference; import android.text.TextUtils; import android.view.View; import android.widget.LinearLayout; import android.widget.TextView; import com.csipsimple.R; import com.csipsimple.api.SipConfigManager; import com.csipsimple.api.SipProfile; import com.csipsimple.utils.Base64; import com.csipsimple.utils.Log; import com.csipsimple.utils.PreferencesWrapper; import org.apache.http.HttpEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpRequestBase; import org.apache.http.entity.StringEntity; import java.io.IOException; import java.lang.ref.WeakReference; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Sipgate extends AlternateServerImplementation { protected static final String THIS_FILE = "SipgateW"; private static final String PROXY_KEY = "proxy_server"; private EditTextPreference accountProxy; private LinearLayout customWizard; private TextView customWizardText; @Override public void fillLayout(final SipProfile account) { super.fillLayout(account); //Override titles accountDisplayName.setTitle(R.string.w_sipgate_display_name); accountDisplayName.setDialogTitle(R.string.w_sipgate_display_name); accountServer.setTitle(R.string.w_common_server); accountServer.setDialogTitle(R.string.w_common_server); accountUsername.setTitle(R.string.w_sipgate_username); accountUsername.setDialogTitle(R.string.w_sipgate_username); accountPassword.setTitle(R.string.w_sipgate_password); accountPassword.setDialogTitle(R.string.w_sipgate_password); // Add optional proxy boolean recycle = true; accountProxy = (EditTextPreference) findPreference(PROXY_KEY); if (accountProxy == null) { accountProxy = new EditTextPreference(parent); accountProxy.setKey(PROXY_KEY); accountProxy.setTitle(R.string.w_advanced_proxy); accountProxy.setSummary(R.string.w_advanced_proxy_desc); accountProxy.setDialogMessage(R.string.w_advanced_proxy_desc); recycle = false; } if (!recycle) { addPreference(accountProxy); } String currentProxy = account.getProxyAddress(); String currentServer = account.getSipDomain(); if (!TextUtils.isEmpty(currentProxy) && !TextUtils.isEmpty(currentServer)) { String currentProxyServer = currentProxy.replace("sip:", ""); if (!currentProxyServer.equalsIgnoreCase(currentServer)) { accountProxy.setText(currentProxyServer); } } if (TextUtils.isEmpty(account.getSipDomain())) { accountServer.setText("sipgate.de"); } //Get wizard specific row for balance customWizardText = (TextView) parent.findViewById(R.id.custom_wizard_text); customWizard = (LinearLayout) parent.findViewById(R.id.custom_wizard_row); updateAccountInfos(account); } public SipProfile buildAccount(SipProfile account) { account = super.buildAccount(account); String nproxy = getText(accountProxy); if (!TextUtils.isEmpty(nproxy)) { account.proxies = new String[] { "sip:" + nproxy }; } account.transport = SipProfile.TRANSPORT_UDP; account.allow_contact_rewrite = false; account.allow_via_rewrite = false; return account; } @Override public void setDefaultParams(PreferencesWrapper prefs) { super.setDefaultParams(prefs); // Add stun server prefs.setPreferenceBooleanValue(SipConfigManager.ENABLE_STUN, true); prefs.addStunServer("stun.sipgate.net:10000"); } @Override protected String getDefaultName() { return "Sipgate"; } @Override public boolean needRestart() { return true; } @Override public String getDefaultFieldSummary(String fieldName) { if (PROXY_KEY.equals(fieldName)) { return parent.getString(R.string.w_advanced_proxy_desc); } return super.getDefaultFieldSummary(fieldName); } @Override public void updateDescriptions() { super.updateDescriptions(); setStringFieldSummary(PROXY_KEY); } // Balance consulting private void updateAccountInfos(final SipProfile acc) { if (acc != null && acc.id != SipProfile.INVALID_ID) { customWizard.setVisibility(View.GONE); accountBalanceHelper.launchRequest(acc); } else { // add a row to link customWizard.setVisibility(View.GONE); } } private AccountBalanceHelper accountBalanceHelper = new AccountBalance(this); private static class AccountBalance extends AccountBalanceHelper { WeakReference<Sipgate> w; AccountBalance(Sipgate wizard) { w = new WeakReference<Sipgate>(wizard); } Pattern p = Pattern.compile("^.*TotalIncludingVat</name><value><double>(.*)</double>.*$"); /** * {@inheritDoc} */ @Override public String parseResponseLine(String line) { Matcher matcher = p.matcher(line); if (matcher.matches()) { String strValue = matcher.group(1).trim(); try { float value = Float.parseFloat(strValue.trim()); if (value >= 0) { strValue = Double.toString(Math.round(value * 100.0) / 100.0); } } catch (NumberFormatException e) { Log.d(THIS_FILE, "Can't parse float value in credit " + strValue); } return "Creditos : " + strValue + " euros"; } return null; } /** * {@inheritDoc} */ @Override public HttpRequestBase getRequest(SipProfile acc) throws IOException { String requestURL = "https://samurai.sipgate.net/RPC2"; HttpPost httpPost = new HttpPost(requestURL); // TODO : this is wrong ... we should use acc user/password instead of SIP ones, but we don't have it String userpassword = acc.username + ":" + acc.data; String encodedAuthorization = Base64.encodeBytes(userpassword.getBytes()); httpPost.addHeader("Authorization", "Basic " + encodedAuthorization); httpPost.addHeader("Content-Type", "text/xml"); // prepare POST body String body = "<?xml version='1.0'?><methodCall><methodName>samurai.BalanceGet</methodName></methodCall>"; // set POST body HttpEntity entity = new StringEntity(body); httpPost.setEntity(entity); return httpPost; } /** * {@inheritDoc} */ @Override public void applyResultError() { Sipgate wizard = w.get(); if (wizard != null) { wizard.customWizard.setVisibility(View.GONE); } } /** * {@inheritDoc} */ @Override public void applyResultSuccess(String balanceText) { Sipgate wizard = w.get(); if (wizard != null) { wizard.customWizardText.setText(balanceText); wizard.customWizard.setVisibility(View.VISIBLE); } } }; }