First prototype
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+<?php
+# Generated by the protocol buffer compiler. DO NOT EDIT!
+# source: google/protobuf/any.proto
+
+namespace Google\Protobuf;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\Message;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * `Any` contains an arbitrary serialized protocol buffer message along with a
+ * URL that describes the type of the serialized message.
+ * Protobuf library provides support to pack/unpack Any values in the form
+ * of utility functions or additional generated methods of the Any type.
+ * Example 1: Pack and unpack a message in C++.
+ * Foo foo = ...;
+ * Any any;
+ * any.PackFrom(foo);
+ * ...
+ * if (any.UnpackTo(&foo)) {
+ * ...
+ * }
+ * Example 2: Pack and unpack a message in Java.
+ * Foo foo = ...;
+ * Any any = Any.pack(foo);
+ * ...
+ * if (any.is(Foo.class)) {
+ * foo = any.unpack(Foo.class);
+ * }
+ * Example 3: Pack and unpack a message in Python.
+ * foo = Foo(...)
+ * any = Any()
+ * any.Pack(foo)
+ * ...
+ * if any.Is(Foo.DESCRIPTOR):
+ * any.Unpack(foo)
+ * ...
+ * Example 4: Pack and unpack a message in Go
+ * foo := &pb.Foo{...}
+ * any, err := ptypes.MarshalAny(foo)
+ * ...
+ * foo := &pb.Foo{}
+ * if err := ptypes.UnmarshalAny(any, foo); err != nil {
+ * ...
+ * }
+ * The pack methods provided by protobuf library will by default use
+ * 'type.googleapis.com/full.type.name' as the type URL and the unpack
+ * methods only use the fully qualified type name after the last '/'
+ * in the type URL, for example "foo.bar.com/x/y.z" will yield type
+ * name "y.z".
+ * JSON
+ * ====
+ * The JSON representation of an `Any` value uses the regular
+ * representation of the deserialized, embedded message, with an
+ * additional field `@type` which contains the type URL. Example:
+ * package google.profile;
+ * message Person {
+ * string first_name = 1;
+ * string last_name = 2;
+ * }
+ * {
+ * "@type": "type.googleapis.com/google.profile.Person",
+ * "firstName": <string>,
+ * "lastName": <string>
+ * }
+ * If the embedded message type is well-known and has a custom JSON
+ * representation, that representation will be embedded adding a field
+ * `value` which holds the custom JSON in addition to the `@type`
+ * field. Example (for message [google.protobuf.Duration][]):
+ * {
+ * "@type": "type.googleapis.com/google.protobuf.Duration",
+ * "value": "1.212s"
+ * }
+ *
+ * Generated from protobuf message <code>google.protobuf.Any</code>
+ */
+class Any extends \Google\Protobuf\Internal\Message
+{
+ /**
+ * A URL/resource name that uniquely identifies the type of the serialized
+ * protocol buffer message. The last segment of the URL's path must represent
+ * the fully qualified name of the type (as in
+ * `path/google.protobuf.Duration`). The name should be in a canonical form
+ * (e.g., leading "." is not accepted).
+ * In practice, teams usually precompile into the binary all types that they
+ * expect it to use in the context of Any. However, for URLs which use the
+ * scheme `http`, `https`, or no scheme, one can optionally set up a type
+ * server that maps type URLs to message definitions as follows:
+ * * If no scheme is provided, `https` is assumed.
+ * * An HTTP GET on the URL must yield a [google.protobuf.Type][]
+ * value in binary format, or produce an error.
+ * * Applications are allowed to cache lookup results based on the
+ * URL, or have them precompiled into a binary to avoid any
+ * lookup. Therefore, binary compatibility needs to be preserved
+ * on changes to types. (Use versioned type names to manage
+ * breaking changes.)
+ * Note: this functionality is not currently available in the official
+ * protobuf release, and it is not used for type URLs beginning with
+ * type.googleapis.com.
+ * Schemes other than `http`, `https` (or the empty scheme) might be
+ * used with implementation specific semantics.
+ *
+ * Generated from protobuf field <code>string type_url = 1;</code>
+ */
+ private $type_url = '';
+ /**
+ * Must be a valid serialized protocol buffer of the above specified type.
+ *
+ * Generated from protobuf field <code>bytes value = 2;</code>
+ */
+ private $value = '';
+
+ const TYPE_URL_PREFIX = 'type.googleapis.com/';
+
+ /**
+ * Constructor.
+ *
+ * @param array $data {
+ * Optional. Data for populating the Message object.
+ *
+ * @type string $type_url
+ * A URL/resource name that uniquely identifies the type of the serialized
+ * protocol buffer message. The last segment of the URL's path must represent
+ * the fully qualified name of the type (as in
+ * `path/google.protobuf.Duration`). The name should be in a canonical form
+ * (e.g., leading "." is not accepted).
+ * In practice, teams usually precompile into the binary all types that they
+ * expect it to use in the context of Any. However, for URLs which use the
+ * scheme `http`, `https`, or no scheme, one can optionally set up a type
+ * server that maps type URLs to message definitions as follows:
+ * * If no scheme is provided, `https` is assumed.
+ * * An HTTP GET on the URL must yield a [google.protobuf.Type][]
+ * value in binary format, or produce an error.
+ * * Applications are allowed to cache lookup results based on the
+ * URL, or have them precompiled into a binary to avoid any
+ * lookup. Therefore, binary compatibility needs to be preserved
+ * on changes to types. (Use versioned type names to manage
+ * breaking changes.)
+ * Note: this functionality is not currently available in the official
+ * protobuf release, and it is not used for type URLs beginning with
+ * type.googleapis.com.
+ * Schemes other than `http`, `https` (or the empty scheme) might be
+ * used with implementation specific semantics.
+ * @type string $value
+ * Must be a valid serialized protocol buffer of the above specified type.
+ * }
+ */
+ public function __construct($data = NULL) {
+ \GPBMetadata\Google\Protobuf\Any::initOnce();
+ parent::__construct($data);
+ }
+
+ /**
+ * A URL/resource name that uniquely identifies the type of the serialized
+ * protocol buffer message. The last segment of the URL's path must represent
+ * the fully qualified name of the type (as in
+ * `path/google.protobuf.Duration`). The name should be in a canonical form
+ * (e.g., leading "." is not accepted).
+ * In practice, teams usually precompile into the binary all types that they
+ * expect it to use in the context of Any. However, for URLs which use the
+ * scheme `http`, `https`, or no scheme, one can optionally set up a type
+ * server that maps type URLs to message definitions as follows:
+ * * If no scheme is provided, `https` is assumed.
+ * * An HTTP GET on the URL must yield a [google.protobuf.Type][]
+ * value in binary format, or produce an error.
+ * * Applications are allowed to cache lookup results based on the
+ * URL, or have them precompiled into a binary to avoid any
+ * lookup. Therefore, binary compatibility needs to be preserved
+ * on changes to types. (Use versioned type names to manage
+ * breaking changes.)
+ * Note: this functionality is not currently available in the official
+ * protobuf release, and it is not used for type URLs beginning with
+ * type.googleapis.com.
+ * Schemes other than `http`, `https` (or the empty scheme) might be
+ * used with implementation specific semantics.
+ *
+ * Generated from protobuf field <code>string type_url = 1;</code>
+ * @return string
+ */
+ public function getTypeUrl()
+ {
+ return $this->type_url;
+ }
+
+ /**
+ * A URL/resource name that uniquely identifies the type of the serialized
+ * protocol buffer message. The last segment of the URL's path must represent
+ * the fully qualified name of the type (as in
+ * `path/google.protobuf.Duration`). The name should be in a canonical form
+ * (e.g., leading "." is not accepted).
+ * In practice, teams usually precompile into the binary all types that they
+ * expect it to use in the context of Any. However, for URLs which use the
+ * scheme `http`, `https`, or no scheme, one can optionally set up a type
+ * server that maps type URLs to message definitions as follows:
+ * * If no scheme is provided, `https` is assumed.
+ * * An HTTP GET on the URL must yield a [google.protobuf.Type][]
+ * value in binary format, or produce an error.
+ * * Applications are allowed to cache lookup results based on the
+ * URL, or have them precompiled into a binary to avoid any
+ * lookup. Therefore, binary compatibility needs to be preserved
+ * on changes to types. (Use versioned type names to manage
+ * breaking changes.)
+ * Note: this functionality is not currently available in the official
+ * protobuf release, and it is not used for type URLs beginning with
+ * type.googleapis.com.
+ * Schemes other than `http`, `https` (or the empty scheme) might be
+ * used with implementation specific semantics.
+ *
+ * Generated from protobuf field <code>string type_url = 1;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setTypeUrl($var)
+ {
+ GPBUtil::checkString($var, True);
+ $this->type_url = $var;
+
+ return $this;
+ }
+
+ /**
+ * Must be a valid serialized protocol buffer of the above specified type.
+ *
+ * Generated from protobuf field <code>bytes value = 2;</code>
+ * @return string
+ */
+ public function getValue()
+ {
+ return $this->value;
+ }
+
+ /**
+ * Must be a valid serialized protocol buffer of the above specified type.
+ *
+ * Generated from protobuf field <code>bytes value = 2;</code>
+ * @param string $var
+ * @return $this
+ */
+ public function setValue($var)
+ {
+ GPBUtil::checkString($var, False);
+ $this->value = $var;
+
+ return $this;
+ }
+
+ /**
+ * This method will try to resolve the type_url in Any message to get the
+ * targeted message type. If failed, an error will be thrown. Otherwise,
+ * the method will create a message of the targeted type and fill it with
+ * the decoded value in Any.
+ * @return unpacked message
+ * @throws \Exception Type url needs to be type.googleapis.com/fully-qulified.
+ * @throws \Exception Class hasn't been added to descriptor pool.
+ * @throws \Exception cannot decode data in value field.
+ */
+ public function unpack()
+ {
+ // Get fully qualifed name from type url.
+ $url_prifix_len = strlen(GPBUtil::TYPE_URL_PREFIX);
+ if (substr($this->type_url, 0, $url_prifix_len) !=
+ GPBUtil::TYPE_URL_PREFIX) {
+ throw new \Exception(
+ "Type url needs to be type.googleapis.com/fully-qulified");
+ }
+ $fully_qualifed_name =
+ substr($this->type_url, $url_prifix_len);
+
+ // Create message according to fully qualified name.
+ $pool = \Google\Protobuf\Internal\DescriptorPool::getGeneratedPool();
+ $desc = $pool->getDescriptorByProtoName( ".".$fully_qualifed_name);
+ if (is_null($desc)) {
+ throw new \Exception("Class ".$fully_qualifed_name
+ ." hasn't been added to descriptor pool");
+ }
+ $klass = $desc->getClass();
+ $msg = new $klass();
+
+ // Merge data into message.
+ $msg->mergeFromString($this->value);
+ return $msg;
+ }
+
+ /**
+ * The type_url will be created according to the given message’s type and
+ * the value is encoded data from the given message..
+ * @param message: A proto message.
+ */
+ public function pack($msg)
+ {
+ if (!$msg instanceof Message) {
+ trigger_error("Given parameter is not a message instance.",
+ E_USER_ERROR);
+ return;
+ }
+
+ // Set value using serialzed message.
+ $this->value = $msg->serializeToString();
+
+ // Set type url.
+ $pool = \Google\Protobuf\Internal\DescriptorPool::getGeneratedPool();
+ $desc = $pool->getDescriptorByClassName(get_class($msg));
+ $fully_qualifed_name = $desc->getFullName();
+ $this->type_url = GPBUtil::TYPE_URL_PREFIX.substr(
+ $fully_qualifed_name, 1, strlen($fully_qualifed_name));
+ }
+
+ /**
+ * This method returns whether the type_url in any_message is corresponded
+ * to the given class.
+ * @param klass: The fully qualified PHP class name of a proto message type.
+ */
+ public function is($klass)
+ {
+ $pool = \Google\Protobuf\Internal\DescriptorPool::getGeneratedPool();
+ $desc = $pool->getDescriptorByClassName($klass);
+ $fully_qualifed_name = $desc->getFullName();
+ $type_url = GPBUtil::TYPE_URL_PREFIX.substr(
+ $fully_qualifed_name, 1, strlen($fully_qualifed_name));
+ return $this->type_url === $type_url;
+ }
+}
+