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1 2 Software as a Service SaaS DMA Web Microsoft Office 300 Microsoft Office Google Docs 12.5 Web Amazon Web Services Python boto boto AWS Python boto Python Python 3 Python 2.6 W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f I4@@)Xf I'@1f J5f W.Yf '6KO.Yg V4@@0Yg

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2 W.MeI/Xf 7HeN1f @5f 3LeJ5f V/KeO.Yf W.Yh J(Yg W.Yg 75g @5f W.MeI/Xf W.Yh J(Yg W.Yg 75g 7HeN1f 3LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yh W.Yg @5f 75g J(Yg W.Yg W.Yh J5g J5g 7Hg 7Yhe J5h J5h J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg @KO&YfO26Xf W-Xe W&(YV46Kh V+Ye 75g W&(Yh W.Yg W.Yh W2(Mg W&(Yh Amazon Web Services Amazon Web Services Sign Up Now Elastic Compute Cloud EC2 Simple Storage Service S3 SimpleDB Simple Queue Service SQS Account Security Credentials Access 2Access Ke Amazon Web Services boto boto github master branch tag boto Python setup.py install develop Windows boto $ python setup.py install root administrator

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3 UNIXsudo $ sudo python setup.py install Windows boto Amazon Tools htp://aws.amazon.com/developertools Java credentials.cfg AWSAccessKeyId=MyAccessKey AWSSecretKey=MySecretKey AWS_CREDENTIAL_FILE bash shell export AWS_CREDENTIAL_FILE=/full/path/to/credentials.cfg shell RC.bashrc.zshrc T-Shell.tcshrc setenv AWS_CREDENTIAL_FILE=/full/path/to/credentials.cfg boto.cfg boto BOTO_CONFIG boto.cfg # File: boto.cfg 2 27 elbadminaws us-east-1 AWS ap-southeast-1 [Boto] elb_region_name = us-east-1 elb_region_endpoint = elasticloadbalancing.us-east-1.amazonaws.com W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f J5g J5g J5h J5h

tcshrc setenv AWS_CREDENTIAL_FILE=/full/path/to/credentials.cfg boto.cfg boto BOTO_CONFIG boto.cfg # File: boto.

4 W.MeI/Xf 7HeN1f @5f 3LeJ5f V/KeO.Yf W.Yh J(Yg W.Yg 75g @5f W.MeI/Xf W.Yh J(Yg W.Yg 75g 7HeN1f 3LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yh W.Yg @5f 75g J(Yg W.Yg W.Yh J5g J5g 7Hg 7Yhe J5h J5h J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg @KO&YfO26Xf W-Xe W&(YV46Kh @5f V+Ye W.MI/Xf 75g 7HeN1f J(Yg W.Yg W.Yh W.YeI')Xf 3)KO.Yf 3LfJ5f V/KeO.Yf 28 # Imitate some EC2 configs [Instance] local-ipv4 = local-hostname = localhost security-groups = default public-ipv4 = public-hostname = my-public-hostname.local hostname = localhost instance-type = m1.small instance-id = i # Set the default SDB domain [DB] db_name = default # Set up base logging [loggers] keys=root,boto [handlers] keys=hand01 [formatters] keys=form01 [logger_boto] level=info handlers=hand01 [logger_root] level=info handlers=hand01 [handler_hand01] class=streamhandler level=info formatter=form01 args=(sys.stdout,) [formatter_form01] format=%(asctime)s [%(name)s] %(levelname)s %(message)s datefmt= class=logging.formatter

5 [Instance] EC2 boto EC2 EC2 SimpleDB default default Python INFO DEBUGAWS boto Python >>> import boto >>> sdb = boto.connect_sdb() >>> sdb.create_domain("default") SimpleDB default AWS SimpleDB boto boto W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f 3@f@@f J@5f W&(Yf W&(Yg

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6 Web HTML XML JSON 30 W.MeI/Xf 7HeN1f LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yg W.Yh @5f 75g J(Yg W.Yg W.Yh W.MeI/Xf 7HeN1f LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yg W.Yh @5f 75g J(Yg W.Yg W.Yh J5g J5g J5h J5h J(Mh 7Yhe J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg W&(YV46Kh @0M V+Ye @5hf @g J5g O&Ug @f J5f W.Yf '6KO.Yg W.MeI/Xf 7HeN1f LeJ5f V/KeO.Yf

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7 3 SaaS Amazon Web Serv Simple Storage ServiceS3 AWS Amazon Web Services SimpleDB SDB Amazon Web Services 10 - S3 SDB Relational DB RDB RDB Amazon SDB 2 31 W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W2@6Xg W&@@@)Xg.MI'1g J5g I'@1f V'@f J5f W.Yf '6KO.Yg

8 RDB Amazon MySQL Amazon M Amazon IT Amazon SDB MySQL SDB SDB 3 domainitem - key-value pair SDB schema-less SDB 32 W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W2@6Xg W&@@@)Xg.MI'1g J5g I'@1f V'@f J5f W.Yf '6KO.Yg V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f

9 W.MeI/Xf 7HeN1f @5f 3LeJ5f V/KeO.Yf W.Yh J(Yg W.Yg 75g @5f W.MeI/Xf W.Yh J(Yg W.Yg 75g 7HeN1f 3LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yh W.Yg @5f 75g J(Yg W.Yg W.Yh J5g J5g 7Hg 7Yhe J5h J5h J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg @KO&YfO26Xf W-Xe W&(YV46Kh V+Ye J5g '6KO.Yg J5f W.Yf J5g '6KO.Yg J5f W.Yf 2 33 SDB boto SDB boto >>> import boto >>> sdb = boto.connect_sdb() >>> db = sdb.get_domain("my_domain_name") >>> db.get_item("item_name") ID >>> db.select("select * FROM `my_domain_name` WHERE `name` LIKE '%foo%' ORDER BY `name` DESC") name foo name SDB 2 1 SDB boto Django DB boto from boto.sdb.db.model import Model from boto.sdb.db.property import StringProperty, IntegerProperty, ReferenceProperty, ListProperty class SimpleObject(Model): """A simple object to show how SDB Persistence works in boto""" name = StringProperty() some_number = IntegerProperty() multi_value_property = ListProperty(str) class AnotherObject(Model): """A second SDB object used to show how references work""" lexicographical order

10 W.MeI/Xf 7HeN1f @5f 3LeJ5f V/KeO.Yf W.Yh J(Yg W.Yg 75g @5f W.MeI/Xf W.Yh J(Yg W.Yg 75g 7HeN1f 3LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yh W.Yg @5f 75g J(Yg W.Yg W.Yh J5g J5g 7Hg 7Yhe J5h J5h J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg @KO&YfO26Xf W-Xe W&(YV46Kh J5g W&g V+Ye '6KO.Yg J5f W.Yf name = StringProperty() object_link = ReferenceProperty(SimpleObject, collection_name="other_objects") 2 SimpleObject SDB python list id ID id Python UUIDUUID object_link collection_name SimpleObject boot boto SDB >>> my_obj = SimpleObject("object_id") >>> my_obj.name = "My Object Name" >>> my_obj.some_number = 1234 >>> my_obj.multi_value_property = ["foo", "bar"] >>> my_obj.put() >>> my_second_obj = AnotherObject() >>> my_second_obj = "Second Object" >>> my_second_obj.object_link = my_obj >>> my_second_obj.put() ID IDput ID ID ID >>> my_obj = SimpleObject.get_by_id("object_id")

11 W.MeI/Xf 7HeN1f @5f 3LeJ5f V/KeO.Yf W.Yh J(Yg W.Yg 75g @5f W.MeI/Xf W.Yh J(Yg W.Yg 75g 7HeN1f 3LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yh W.Yg @5f 75g J(Yg W.Yg W.Yh J5g J5g 7Hg 7Yhe J5h J5h J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg @KO&YfO26Xf W-Xe W&(YV46Kh J5g V+Ye J(Mh 7Yhe '6KO.Yg J5f W.Yf '6KO.Yg J5f W.Yf 2 35 >>> my_obj.name u'my Object Name' >>> my_obj.some_number 1234 >>> my_obj.multi_value_property [u'foo', u'bar'] >>> my_obj.other_objects.next().name u'second Object' other_objects next() Query Query generator SDB >>> my_obj.other_objects[0] SDB >>> query = my_obj.other_objects >>> query.filter("name like", "%Other") >>> query.order("-name") >>> for obj in query:... Other StopIteration 2.4 SaaS Google AppEngine Amazon Web Services Auto-Scaling Groups

12 W.MeI/Xf 7HeN1f @5f 3LeJ5f V/KeO.Yf W.Yh J(Yg W.Yg 75g @5f W.MeI/Xf W.Yh J(Yg W.Yg 75g 7HeN1f 3LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yh W.Yg @5f 75g J(Yg W.Yg W.Yh J5g J5g 7Hg 7Yhe J5h J5h J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg @KO&YfO26Xf W-Xe W&(YV46Kh V+Ye O&Ug @g J5g W&(Yh W2(Mg W&(Yh '6KO.Yg J5f W.Yf Amazon Elastic Load Balancing ELB Elastic Load Balancing Amazon Elastic Load Balancing ELB IDELB ELB HTTP TCP ELB Auto-Scaling Groups Auto-Scaling Groups ELB boto elbadmin boto ELB % elbadmin Usage: elbadmin [options] [command] Commands: list ls List all Elastic Load Balancers delete <name> Delete ELB <name> get <name> Get all instances associated with <name> create <name> Create an ELB add <name> <instance> Add <instance> in ELB <name> remove rm <name> <instance> Remove <instance> from ELB <name> enable en <name> <zone> Enable Zone <zone> for ELB <name> disable <name> <zone> Disable Zone <zone> for ELB <name>

13 W.MeI/Xf 7HeN1f @5f 3LeJ5f V/KeO.Yf W.Yh J(Yg W.Yg 75g @5f W.MeI/Xf W.Yh J(Yg W.Yg 75g 7HeN1f 3LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yh W.Yg @5f 75g J(Yg W.Yg W.Yh J5g J5g 7Hg 7Yhe J5h J5h J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg @KO&YfO26Xf W-Xe W&(YV46Kh J5g V+Ye J5g 7Hg '6KO.Yg W.Yf J5h J5g J5h 2 37 Options: --version show program's version number and exit -h, --help show this help message and exit -z ZONES, --zone=zones Operate on zone -l LISTENERS, --listener=listeners Specify Listener in,out,proto ELB % elbadmin -l 80,80,http -z us-east-1a create test Name: test DNS Name: test us-east-1.elb.amazonaws.com Listeners IN OUT PROTO HTTP Zones us-east-1a Instances listener zone HTTP tcp http DNS Name elbadmin get ELB CNAME DNS Name IP IP CNAME A Amazon ELB HTTPS SSL Amazon boto Amazon HTTPS boto elbadmin

14 2.4.2 ELB ELB elbadmin add % elbadmin add test i ELB Amazon service level agreement SLA 99% 2 ELB boto % elbadmin add test i % elbadmin rm test i % kill_instance i elbadmin ID 38 W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W2@6Xg W&@@@)Xg.MI'1g J5g I'@1f V'@f J5f W.Yf '6KO.Yg V4@@0Yg W2@6Xg 3)KO.Yf V'@@@Hg S@@@Lg W.R4@)Xf 3LfJ5f V/KeO.Yf V4@@@0Yf

Yf V4@@0Yg W2@@6Xg W&@@@@)Xf 7(MI'@1f @HeN@@f @f@@f @@f @5f J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W&

15 W.MeI/Xf 7HeN1f @5f 3LeJ5f V/KeO.Yf W.Yh J(Yg W.Yg 75g @5f W.MeI/Xf W.Yh J(Yg W.Yg 75g 7HeN1f 3LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yh W.Yg @5f 75g J(Yg W.Yg W.Yh J5g J5g 7Hg 7Yhe J5h J5h J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg @KO&YfO26Xf W-Xe W&(YV46Kh V+Ye O&Ug @g J5g '6KO.Yg J5f W.Yf O&0Yg W&(Yf W&(Yg list_instances boto % list_instances ID Zone Groups Hostname i-69c3e401 us-east-1a Wordpress..compute-1.amazonaws.com i-e4675a8c us-east-1c default..compute-1.amazonaws.com i-e6675a8e us-east-1d default..compute-1.amazonaws.com i-1a665b72 us-east-1a default..compute-1.amazonaws.com ID ELB ELB 2.5 % elbadmin delete test boto pyami Notification gmail smtp [Notification] smtp_host = smtp.gmail.com smtp_port = 587 smtp_tls = True smtp_user = my-sending-user@gmail.com smtp_pass = MY_PASSWORD smtp_from = my-sending-user@gmail.com smtp_to = my-recipient@gmail.com ubuntu

16 W.MeI/Xf 7HeN1f @5f 3LeJ5f V/KeO.Yf W.Yh J(Yg W.Yg 75g @5f W.MeI/Xf W.Yh J(Yg W.Yg 75g 7HeN1f 3LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yh W.Yg @5f 75g J(Yg W.Yg W.Yh J5g J5g 7Hg 7Yhe J5h J5h J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg @KO&YfO26Xf W-Xe @5hf W&(YV46Kh V+Ye W.MeI/Xf 7HeN1f LeJ5f V/KeO.Yf 40 from boto.pyami.installers.ubuntu.installer import Installer import boto class ELBRegister(Installer): """Register this instance with a specific ELB""" def install(self): """Register with the ELB""" # code here to verify that you're # successfully installed and running elb_name = boto.config.get("elb", "name") elb = boto.connect_elb() b = ebl.get_all_load_balancers(elb_name) if len(b) <1: raise Exception, "No Load balancer found" b = b[0] b.register_instances([boto.config.get_instance ("instance_id")]) def main(self): self.install() ELB name 2.5 HTTP REST HTTP REST SaaS HTTP SOAP Representational State Transfer REST Roy Fielding 2000 REST Architectural Styles and the Design of Network-basedSoftware Architectures dissertation/top.htm

17 HTTP REST HTTP HTTP HTTP header body HTTP <head> <body> REST REST XML SOAP Java Web Web Service Definition Language WSDL API API HTTP HTTP header HTTP header REST header HTTP HTTP header DNS HTTP GET /module_name/id_argumentparam1=value1&param2=value2 module_name.get(id_argument, param1=value1,param2=value2) module_name.get(id_argument, {param1=value1,param2=value2}) web API URI 2 41 W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W&g W&@g W&@@g W.Y@@g W.Y@@g W.Ye@@g W.Ye@@g @@g @@@@@@@@f

$get(id_argument, {param1=value1,param2=value2}) web API URI 2 41 W2@@6Xg W.MeI/Xf 7HeN1f J@g@Lf 7@g@1f @@g@@f @@g@@f @@g@@f @@g@@f @@g@@f @@g@@f 3@g@5f N@g@Hf 3LeJ5f V/KeO.$

18 REST REST 4 Web REST CRUD HTTP header REST API If-Match header If-Match header header if header header 412 Precondition Failed header header412 Precondition Failed header PUT If-Modified-Since header If-Modified-Since header HTTP GMT 304 Not Modified If-Unmodified-Since ID If-Unmodified-Since header GMT HTTP If- 42 W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W&g W&@g W&@@g W.Y@@g W.Y@@g W.Ye@@g W.Ye@@g @@g W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f

19 Modified header Accept Accept header header JSON XML API API content type content type Accept: text/xml+app content type header HTML XML JSON Authorization Authorization header HTTP base64 basic HTTP SSL header HTTP Body REST body XML JSON Accept header 2 43 W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W&g W&@g W&@@g W.Y@@g W.Y@@g W.Ye@@g W.Ye@@g @@g W2@6Xg W&@@@)Xg.MI'1g J5g I'@1f V'@f J5f W.Yf '6KO.Yg V4@@0Yg

20 XML XSLT XML JSON REST REST property GET GET URL URL /collection_name/resource_id/property_namequery resourde_id property_name query query property ID POST-ID 2010 URL /posts/post-id/commentssubmitted=2010% posts POST-ID comments submitted 2010% 44 W.MeI/Xf 7HeN1f LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yg W.Yh @5f 75g J(Yg W.Yg W.Yh W.MeI/Xf 7HeN1f LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yg W.Yh @5f 75g J(Yg W.Yg W.Yh J5g J5g J5h J5h J(Mh 7Yhe J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg W&(YV46Kh @0M V+Ye @5hf W&g W&g

comments submitted 2010% 44 W2@@6Xg W.MeI/Xf 7HeN1f J@g@Lf 7@g@1f @@g@@f @@g@@f @@g@@f @@g@@f @@g@@f @@g@@f 3@g@5f N@g@Hf 3LeJ5f V/KeO.

21 Location header GET query HTTP 1 XML ATOM URL URL Amazon Web Services SimpleDB SimpleDB next_token URL next_token ne / GET URL URL PUT HTTPPUT URL PUT P SET 2 45 W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W&g W&@g W&@@g W.Y@@g W.Y@@g W.Ye@@g W.Ye@@g @@@@@@@f I4@@)Xf I'@1f J5f W.Yf '6KO.Yg V4@@0Yg

22 PUT ID ID PUT GET PUT PUT PUT PUT 201 Created 204 No Content 202 Accepted POST POST ID Location header ID POST PUT POST PUT POST POST PUT DELETE DELETE 46 W.MeI/Xf 7HeN1f LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yg W.Yh @5f 75g J(Yg W.Yg W.Yh W.MeI/Xf 7HeN1f LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yg W.Yh @5f 75g J(Yg W.Yg W.Yh J5g J5g J5h J5h J(Mh 7Yhe J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg W&(YV46Kh @0M V+Ye @5hf W&g W2(Mg W&(Yh W&(Yh

23 DELETE 409 Conflict DELETE 202 Accepted DELETE PUT PUT None Null HEAD URL HEAD GET header X-Results header OPTIONS URL OPTIONS URL header Accept header DELETE W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W&@@@@@@@f &@@@@@@@@f W2@@6Xg W.MeI/Xf 7HeN1f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f W2@@6Xg J@Hf 75g J(Yg W.Yg W.Yh W.Ye@f W&Yf@f @f@g J5g J5g J5h @@@@@@@f I4@@)Xf I'@1f J5f W.Yf O2@h 3@f@@f J@5f W&(Yf @@@@@e@f@@@@ W-Xe @5e7@Hf(Yg (YeJ@5/Khe W&(YV46Kh O&0YfI'@6Kf O20MgV4@@6Xe @(Mhf@5f W&g W&@g W&@@g W.Y@@g W.Y@@g W.Ye@@g W.Ye@@g @f@g J5g J5g J5h J5h

24 W.MeI/Xf 7HeN1f @5f 3LeJ5f V/KeO.Yf W.Yh J(Yg W.Yg 75g @5f W.MeI/Xf W.Yh J(Yg W.Yg 75g 7HeN1f 3LeJ5f V/KeO.Yf @5f 75g J(Yg W.Yh W.Yg @5f 75g J(Yg W.Yg W.Yh J5g J5g 7Hg 7Yhe J5h J5h J5f W.Yf '6KO.Yg W&(Yf W&(Yg O&0Yg @KO&YfO26Xf W-Xe W&(YV46Kh W&g V+Ye W.MI/Xf 7HeN1f W.YeI')Xf 3)KO.Yf 3LfJ5f V/KeO.Yf 48 XML XSLT Django Ruby Rails XSLT XSLT XML hasauth 3 <xsl:stylesheet version="1.0" xmlns:xsl=" xmlns:app="url/to/app">  <xsl:template match="@* node()" priority="-10"> <xsl:copy> <xsl:apply-templates select="@* node()"/> </xsl:copy> </xsl:template>  <xsl:template match="/node()"> <xsl:if test="app:hasauth('read', current())"> <xsl:copy> <xsl:apply-templates select="@* node()" mode="property"/> </xsl:copy> </xsl:if> </xsl:template>  <xsl:template match="node()" mode="property"> <xsl:if test="app:hasauth('read',.., current() )"> <xsl:copy> <xsl:apply-templates select="@* node()" /> </xsl:copy>

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A. China-pub.com W2@@6Xg W.MeI/Xf 7HeN1f J@g@Lf 7@g@1f @@g@@f @@g@@f @@g@@f @@g@@f @@g@@f @@g@@f 3@g@5f N@g@Hf 3LeJ5f V/KeO.Yf V4@@0Yg W2@@6Xg W.MeI/Xf 7HeN1f J@g@Lf 7@g@1f @@g@@f @@g@@f @@g@@f @@g@@f