finalize multi-device

WASignalGroup/sender_key_name.js

@@ -0,0 +1,70 @@
+function isNull(str) {
+  return str === null || str.value === '';
+}
+
+/**
+ * java String hashCode 的实现
+ * @param strKey
+ * @return intValue
+ */
+function intValue(num) {
+  const MAX_VALUE = 0x7fffffff;
+  const MIN_VALUE = -0x80000000;
+  if (num > MAX_VALUE || num < MIN_VALUE) {
+    // eslint-disable-next-line
+    return (num &= 0xffffffff);
+  }
+  return num;
+}
+
+function hashCode(strKey) {
+  let hash = 0;
+  if (!isNull(strKey)) {
+    for (let i = 0; i < strKey.length; i++) {
+      hash = hash * 31 + strKey.charCodeAt(i);
+      hash = intValue(hash);
+    }
+  }
+  return hash;
+}
+
+/**
+ * 将js页面的number类型转换为java的int类型
+ * @param num
+ * @return intValue
+ */
+
+class SenderKeyName {
+  constructor(groupId, sender) {
+    this.groupId = groupId;
+    this.sender = sender;
+  }
+
+  getGroupId() {
+    return this.groupId;
+  }
+
+  getSender() {
+    return this.sender;
+  }
+
+  serialize() {
+    return `${this.groupId}::${this.sender.id}::${this.sender.deviceId}`;
+  }
+
+  toString() {
+    return this.serialize();
+  }
+
+  equals(other) {
+    if (other === null) return false;
+    if (!(other instanceof SenderKeyName)) return false;
+    return this.groupId === other.groupId && this.sender.toString() === other.sender.toString();
+  }
+
+  hashCode() {
+    return hashCode(this.groupId) ^ hashCode(this.sender.toString());
+  }
+}
+
+module.exports = SenderKeyName;