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Add a error handler impl for debugging purposes.
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56
ratpack-core/src/main/java/ratpack/error/DebugErrorHandler.java
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|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * Copyright 2013 the original author or authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package ratpack.error; | ||
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| import ratpack.handling.Context; | ||
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| import java.io.PrintWriter; | ||
| import java.io.StringWriter; | ||
| import java.io.Writer; | ||
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| /** | ||
| * A simple server and client error handler that prints out information in plain text to the response. | ||
| * <p> | ||
| * <b>This is not suitable for use in production</b> as it exposes internal information about your application via stack traces. | ||
| */ | ||
| public class DebugErrorHandler implements ServerErrorHandler, ClientErrorHandler { | ||
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| /** | ||
| * {@link Exception#printStackTrace() Prints the stacktrace} of the given exception to the response with a 500 status. | ||
| * | ||
| * @param context The context being processed | ||
| * @param exception The exception that occurred | ||
| */ | ||
| @Override | ||
| public void error(Context context, Exception exception) { | ||
| Writer writer = new StringWriter(); | ||
| exception.printStackTrace(new PrintWriter(writer)); | ||
| context.getResponse().status(500).send(writer.toString()); | ||
| } | ||
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| /** | ||
| * Prints the string "Client error «statusCode»" to the response as text with the given status code. | ||
| * | ||
| * @param context The context | ||
| * @param statusCode The 4xx status code that explains the problem | ||
| */ | ||
| @Override | ||
| public void error(Context context, int statusCode) { | ||
| context.getResponse().status(statusCode).send(String.format("Client error %s", statusCode)); | ||
| } | ||
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| } |
42 changes: 0 additions & 42 deletions
42
ratpack-core/src/main/java/ratpack/error/internal/PrintingServerErrorHandler.java
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54 changes: 54 additions & 0 deletions
54
ratpack-core/src/test/groovy/ratpack/error/DebugErrorHandlerTest.groovy
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * Copyright 2014 the original author or authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| package ratpack.error | ||
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| import ratpack.test.internal.RatpackGroovyDslSpec | ||
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| class DebugErrorHandlerTest extends RatpackGroovyDslSpec { | ||
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| def "debug error handler prints info"() { | ||
| given: | ||
| def e = new RuntimeException("!") | ||
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| when: | ||
| modules { | ||
| bind ServerErrorHandler, new DebugErrorHandler() | ||
| bind ClientErrorHandler, new DebugErrorHandler() | ||
| } | ||
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| handlers { | ||
| get("client") { clientError(404) } | ||
| get("server") { error(e) } | ||
| } | ||
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| then: | ||
| with(get("client")) { | ||
| statusCode == 404 | ||
| body.asString() == "Client error 404" | ||
| } | ||
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| def str = new StringWriter().with { | ||
| e.printStackTrace(new PrintWriter(it)) | ||
| it.toString() | ||
| } | ||
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| with(get("server")) { | ||
| statusCode == 500 | ||
| body.asString() == str | ||
| } | ||
| } | ||
| } |
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