初始化
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谢洪龙
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package com.ifish.jpush.push.model;
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import com.google.gson.Gson;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonPrimitive;
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import com.ifish.jpush.push.model.audience.Audience;
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import com.ifish.jpush.push.model.notification.AndroidNotification;
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import com.ifish.jpush.push.model.notification.IosNotification;
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import com.ifish.jpush.push.model.notification.Notification;
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import com.ifish.jpush.push.model.notification.PlatformNotification;
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import com.ifish.jpush.utils.Preconditions;
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/**
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* The object you should build for sending a push.
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*
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* Basically start with newBuilder() method to build a PushPayload object.
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*
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* alertAll() is a shortcut for quickly build payload of alert to all platform and all audience;
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* mesageAll() is a shortcut for quickly build payload of message to all platform and all audience.
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*
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*/
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public class PushPayload implements PushModel {
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private static final String PLATFORM = "platform";
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private static final String AUDIENCE = "audience";
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private static final String NOTIFICATION = "notification";
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private static final String MESSAGE = "message";
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private static final String OPTIONS = "options";
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private static final int MAX_GLOBAL_ENTITY_LENGTH = 1200; // Definition acording to JPush Docs
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private static final int MAX_IOS_PAYLOAD_LENGTH = 220; // Definition acording to JPush Docs
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private static Gson _gson = new Gson();
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private final Platform platform;
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private final Audience audience;
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private final Notification notification;
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private final Message message;
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private Options options;
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private PushPayload(Platform platform, Audience audience,
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Notification notification, Message message, Options options) {
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this.platform = platform;
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this.audience = audience;
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this.notification = notification;
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this.message = message;
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this.options = options;
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}
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/**
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* The entrance for building a PushPayload object.
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*/
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public static Builder newBuilder() {
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return new Builder();
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}
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/**
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* The shortcut of building a simple alert notification object to all platforms and all audiences
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*/
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public static PushPayload alertAll(String alert) {
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return new Builder()
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.setPlatform(Platform.all())
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.setAudience(Audience.all())
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.setNotification(Notification.alert(alert)).build();
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}
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/**
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* The shortcut of building a simple message object to all platforms and all audiences
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*/
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public static PushPayload messageAll(String msgContent) {
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return new Builder()
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.setPlatform(Platform.all())
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.setAudience(Audience.all())
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.setMessage(Message.content(msgContent)).build();
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}
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public static PushPayload fromJSON(String payloadString) {
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return _gson.fromJson(payloadString, PushPayload.class);
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}
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public void resetOptionsApnsProduction(boolean apnsProduction) {
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if (null == options) {
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options = Options.newBuilder().setApnsProduction(apnsProduction).build();
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} else {
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options.setApnsProduction(apnsProduction);
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}
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}
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public void resetOptionsTimeToLive(long timeToLive) {
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if (null == options) {
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options = Options.newBuilder().setTimeToLive(timeToLive).build();
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} else {
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options.setTimeToLive(timeToLive);
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}
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}
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public int getSendno() {
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if (null != options) {
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return options.getSendno();
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}
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return 0;
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}
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@Override
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public JsonElement toJSON() {
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JsonObject json = new JsonObject();
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if (null != platform) {
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json.add(PLATFORM, platform.toJSON());
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}
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if (null != audience) {
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json.add(AUDIENCE, audience.toJSON());
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}
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if (null != notification) {
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json.add(NOTIFICATION, notification.toJSON());
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}
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if (null != message) {
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json.add(MESSAGE, message.toJSON());
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}
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if (null != options) {
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json.add(OPTIONS, options.toJSON());
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}
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return json;
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}
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public boolean isGlobalExceedLength() {
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int messageLength = 0;
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JsonObject payload = (JsonObject) this.toJSON();
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if (payload.has(MESSAGE)) {
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JsonObject message = payload.getAsJsonObject(MESSAGE);
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messageLength = message.toString().getBytes().length;
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}
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if (!payload.has(NOTIFICATION)) {
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// only mesage
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return messageLength > MAX_GLOBAL_ENTITY_LENGTH;
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} else {
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JsonObject notification = payload.getAsJsonObject(NOTIFICATION);
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if (notification.has(AndroidNotification.NOTIFICATION_ANDROID)) {
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JsonObject android = notification.getAsJsonObject(AndroidNotification.NOTIFICATION_ANDROID);
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int androidLength = android.toString().getBytes().length;
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return (androidLength + messageLength) > MAX_GLOBAL_ENTITY_LENGTH;
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}
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}
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return false;
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}
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public boolean isIosExceedLength() {
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JsonObject payload = (JsonObject) this.toJSON();
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if (payload.has(NOTIFICATION)) {
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JsonObject notification = payload.getAsJsonObject(NOTIFICATION);
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if (notification.has(IosNotification.NOTIFICATION_IOS)) {
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JsonObject ios = notification.getAsJsonObject(IosNotification.NOTIFICATION_IOS);
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return ios.toString().getBytes().length > MAX_IOS_PAYLOAD_LENGTH;
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} else {
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if (notification.has(PlatformNotification.ALERT)) {
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String alert = notification.get(PlatformNotification.ALERT).getAsString();
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JsonObject ios = new JsonObject();
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ios.add("alert", new JsonPrimitive(alert));
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return ios.toString().getBytes().length > MAX_IOS_PAYLOAD_LENGTH;
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} else {
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// No iOS Payload
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}
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}
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}
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return false;
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}
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@Override
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public String toString() {
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return _gson.toJson(toJSON());
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}
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public static class Builder {
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private Platform platform = null;
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private Audience audience = null;
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private Notification notification = null;
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private Message message = null;
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private Options options = null;
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public Builder setPlatform(Platform platform) {
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this.platform = platform;
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return this;
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}
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public Builder setAudience(Audience audience) {
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this.audience = audience;
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return this;
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}
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public Builder setNotification(Notification notification) {
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this.notification = notification;
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return this;
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}
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public Builder setMessage(Message message) {
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this.message = message;
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return this;
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}
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public Builder setOptions(Options options) {
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this.options = options;
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return this;
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}
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public PushPayload build() {
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Preconditions.checkArgument(! (null == audience || null == platform), "audience and platform both should be set.");
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Preconditions.checkArgument(! (null == notification && null == message), "notification or message should be set at least one.");
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// if options is not set, a sendno will be generated for tracing easily
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if (null == options) {
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options = Options.sendno();
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}
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return new PushPayload(platform, audience, notification, message, options);
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}
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}
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}
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