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Talk easily to REST Services in Java

License: Apache License 2.0

Java 3.79% Kotlin 96.21%

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alchemy-http's Issues

Client crashes with multiple Header Values

The HTTP Client crashes when it receives multiple header values for one header name,
for example

GitHub APIs often return

Vary: Accept, Authorization, Cookie, X-GitHub-OTP

This causes

java.lang.IllegalStateException: Duplicate key Accept, Authorization, Cookie, X-GitHub-OTP
    at java.util.stream.Collectors.lambda$throwingMerger$115(Collectors.java:133) ~[na:1.8.0_66]
    at java.util.HashMap.merge(HashMap.java:1245) ~[na:1.8.0_66]
    at java.util.stream.Collectors.lambda$toMap$173(Collectors.java:1320) ~[na:1.8.0_66]
    at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169) ~[na:1.8.0_66]
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[na:1.8.0_66]
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[na:1.8.0_66]
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[na:1.8.0_66]
    at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) ~[na:1.8.0_66]
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:1.8.0_66]
    at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) ~[na:1.8.0_66]
    at tech.sirwellington.alchemy.http.HttpVerbImpl.extractHeadersFrom(HttpVerbImpl.java:187) ~[alchemy-http-1.1.1.jar:na]
    at tech.sirwellington.alchemy.http.HttpVerbImpl.execute(HttpVerbImpl.java:128) ~[alchemy-http-1.1.1.jar:na]
    at tech.sirwellington.alchemy.http.AlchemyMachineImpl.executeSync(AlchemyMachineImpl.java:141) ~[alchemy-http-1.1.1.jar:na]
    at tech.sirwellington.alchemy.http.AlchemyHttpStateMachine.executeSync(AlchemyHttpStateMachine.java:71) [alchemy-http-1.1.1.jar:na]
    at tech.sirwellington.alchemy.http.Step3Impl.at(Step3Impl.java:124) [alchemy-http-1.1.1.jar:na]
    at tech.sirwellington.alchemy.http.AlchemyRequest$Step3.at(AlchemyRequest.java:168) [alchemy-http-1.1.1.jar:na]
    at tech.aroma.banana.example.Main.callGithub(Main.java:101) [classes/:na]
    at tech.aroma.banana.example.Main.main(Main.java:65) [classes/:na]
Exception in thread "main" tech.sirwellington.alchemy.http.exceptions.AlchemyHttpException: java.lang.IllegalStateException: Duplicate key Accept, Authorization, Cookie, X-GitHub-OTP
    at tech.sirwellington.alchemy.http.AlchemyMachineImpl.executeSync(AlchemyMachineImpl.java:151)
    at tech.sirwellington.alchemy.http.AlchemyHttpStateMachine.executeSync(AlchemyHttpStateMachine.java:71)
    at tech.sirwellington.alchemy.http.Step3Impl.at(Step3Impl.java:124)
    at tech.sirwellington.alchemy.http.AlchemyRequest$Step3.at(AlchemyRequest.java:168)
    at tech.aroma.banana.example.Main.callGithub(Main.java:101)
    at tech.aroma.banana.example.Main.main(Main.java:65)
Caused by: java.lang.IllegalStateException: Duplicate key Accept, Authorization, Cookie, X-GitHub-OTP
    at java.util.stream.Collectors.lambda$throwingMerger$115(Collectors.java:133)
    at java.util.HashMap.merge(HashMap.java:1245)
    at java.util.stream.Collectors.lambda$toMap$173(Collectors.java:1320)
    at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
    at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
    at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
    at tech.sirwellington.alchemy.http.HttpVerbImpl.extractHeadersFrom(HttpVerbImpl.java:187)
    at tech.sirwellington.alchemy.http.HttpVerbImpl.execute(HttpVerbImpl.java:128)
    at tech.sirwellington.alchemy.http.AlchemyMachineImpl.executeSync(AlchemyMachineImpl.java:141)

Common Content Types

There isn't a central place to get commonly used Content-Types.

Create a class containing commonly used content types.

README examples don't work

The README examples for Java don't work anymore.

AlchemyHttp http = AlchemyHttp.newDefaultInstance();

newDefaultInstance() isn't available in AlchemyHttp.

Investigate not using Apache HTTP Client

Investigate whether we can provide the basic HTTP Client using just HttpUrlConnections.
This will make the client even thinner and lighter.

Design a testable AlchemyHttpClient

This new effort will probably take place in a separate repository, since it's specifically for testing purposes. You don't want to clutter production code with test design and code

Add Common Status Codes

There isn't a central place containing HTTP Status codes, their meaning and codes.

Add support for binary data in request bodies

While attempting to upload binary content (images, files, etc), the byte[] is treated as a pojo and it becomes corrupted on the server side.

Add a parameter to determine content-type behavior

Alchemy HTTP is really picky about the Content Type it receives; it expects JSON or Plain Text, and will fail if it gets anything else. This is to prevent misrepresentation of Data.

Rather than making it strictly one way or the other, we should have the ability to add allowable content types, or to ignore the content type of the response entirely.

Add a configurable socket timeout behavior.

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