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A library for communicating with the Apple Push Gateway in HTTP/2.
/*
* Copyright (c) 2016, CleverTap
* All rights reserved.
*
* 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 CleverTap 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 HOLDER 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 com.clevertap.apns.clients;
import com.clevertap.apns.ApnsClient;
import com.clevertap.apns.exceptions.InvalidTrustManagerException;
import okhttp3.ConnectionPool;
import okhttp3.OkHttpClient;
import okhttp3.OkHttpClient.Builder;
import java.io.IOException;
import java.io.InputStream;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.util.concurrent.TimeUnit;
/**
* A builder to build an APNS client.
*/
public class ApnsClientBuilder {
private InputStream certificate;
private boolean production;
private String password;
private int connectionPort = 443;
private String gatewayUrl;
private boolean asynchronous = false;
private String defaultTopic = null;
private OkHttpClient.Builder builder;
private ConnectionPool connectionPool;
private String apnsAuthKey;
private String teamID;
private String keyID;
/**
* Creates a default OkHttp client builder that can be customized later and
* then passed to one of the constructors taking a builder instance. The
* constructors that don't take builders themselves use this method
* internally to create their client builders. Note: The returned Builder
* also has a default connection pool configured. You can replace that pool
* by calling {@link Builder#connectionPool(okhttp3.ConnectionPool) }.
*
* @return a new OkHttp client builder, intialized with default settings.
*/
public static OkHttpClient.Builder createDefaultOkHttpClientBuilder() {
OkHttpClient.Builder builder = new OkHttpClient.Builder();
builder.connectTimeout(10, TimeUnit.SECONDS).writeTimeout(10, TimeUnit.SECONDS).readTimeout(30, TimeUnit.SECONDS);
builder.connectionPool(new ConnectionPool(10, 10, TimeUnit.MINUTES));
return builder;
}
/**
* Replaces the default OkHttp client builder with this one. The default
* builder is created internally with {@link #createDefaultOkHttpClientBuilder() }.
* A custom builder can also be created by calling that method explicitly,
* customizing the builder and then passing it to this method.
*
* @param clientBuilder An existing OkHttp client builder to be used as the base
* @return this object
*/
public ApnsClientBuilder withOkHttpClientBuilder(OkHttpClient.Builder clientBuilder) {
this.builder = clientBuilder;
return this;
}
/**
* APNs supports connections over ports 443 and 2197.
*
* @param port Either 443 or 2197
* @return the builder
*/
public ApnsClientBuilder withPort(final int port) {
if (port != 443 && port != 2197) {
throw new IllegalArgumentException("APNs only supports ports 443 and 2197. Invalid port " + port);
}
this.connectionPort = port;
return this;
}
public ApnsClientBuilder withConnectionPool(ConnectionPool connectionPool) {
this.connectionPool = connectionPool;
return this;
}
public ApnsClientBuilder withCertificate(InputStream inputStream) {
certificate = inputStream;
return this;
}
public ApnsClientBuilder withPassword(String password) {
this.password = password;
return this;
}
public ApnsClientBuilder withApnsAuthKey(String apnsAuthKey) {
this.apnsAuthKey = apnsAuthKey;
return this;
}
public ApnsClientBuilder withTeamID(String teamID) {
this.teamID = teamID;
return this;
}
public ApnsClientBuilder withKeyID(String keyID) {
this.keyID = keyID;
return this;
}
public ApnsClientBuilder withProductionGateway() {
this.production = true;
return this;
}
public ApnsClientBuilder withProductionGateway(boolean production) {
if (production) return withProductionGateway();
return withDevelopmentGateway();
}
public ApnsClientBuilder withDevelopmentGateway() {
this.production = false;
return this;
}
public ApnsClientBuilder inSynchronousMode() {
asynchronous = false;
return this;
}
public ApnsClientBuilder inAsynchronousMode() {
asynchronous = true;
return this;
}
public ApnsClientBuilder withDefaultTopic(String defaultTopic) {
this.defaultTopic = defaultTopic;
return this;
}
public ApnsClientBuilder withGatewayUrl(String url) {
this.gatewayUrl = url;
return this;
}
public ApnsClient build() throws CertificateException,
NoSuchAlgorithmException, KeyStoreException, IOException,
UnrecoverableKeyException, KeyManagementException, InvalidTrustManagerException {
if (builder == null) {
builder = createDefaultOkHttpClientBuilder();
}
if (connectionPool != null) {
builder.connectionPool(connectionPool);
}
if (certificate != null) {
if (asynchronous) {
return new AsyncOkHttpApnsClient(certificate, password, production, defaultTopic, builder, connectionPort, gatewayUrl);
} else {
return new SyncOkHttpApnsClient(certificate, password, production, defaultTopic, builder, connectionPort, gatewayUrl);
}
} else if (keyID != null && teamID != null && apnsAuthKey != null) {
if (asynchronous) {
return new AsyncOkHttpApnsClient(apnsAuthKey, teamID, keyID, production, defaultTopic, builder, connectionPort, gatewayUrl);
} else {
return new SyncOkHttpApnsClient(apnsAuthKey, teamID, keyID, production, defaultTopic, builder, connectionPort, gatewayUrl);
}
} else {
throw new IllegalArgumentException("Either the token credentials (team ID, key ID, and the private key) " +
"or a certificate must be provided");
}
}
}