juneau-microservice/juneau-microservice-test/src/main/java/org/apache/juneau/rest/test/ParsersResource.java

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// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
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package org.apache.juneau.rest.test;

import static org.apache.juneau.internal.IOUtils.*;
import static org.apache.juneau.http.HttpMethodName.*;

import org.apache.juneau.*;
import org.apache.juneau.parser.*;
import org.apache.juneau.plaintext.*;
import org.apache.juneau.rest.*;
import org.apache.juneau.rest.annotation.*;

/**
 * JUnit automated testcase resource.
 * Validates correct parser is used.
 */
@RestResource(
	path="/testParsers",
	parsers=ParsersResource.TestParserA.class,
	serializers=PlainTextSerializer.class
)
public class ParsersResource extends BasicRestServlet {
	private static final long serialVersionUID = 1L;

	public static class TestParserA extends ReaderParser {

		public TestParserA(PropertyStore ps) {
			super(ps, "text/a");
		}

		@Override /* Parser */
		public ReaderParserSession createSession(ParserSessionArgs args) {
			return new ReaderParserSession(args) {

				@Override /* ParserSession */
				@SuppressWarnings("unchecked")
				protected <T> T doParse(ParserPipe pipe, ClassMeta<T> type) throws Exception {
					return (T)("text/a - " + read(pipe.getReader()).trim());
				}
			};
		}
	}

	//====================================================================================================
	// Parser defined on class.
	//====================================================================================================
	@RestMethod(name=PUT, path="/testParserOnClass")
	public String testParserOnClass(@Body String in) {
		return in;
	}

	//====================================================================================================
	// Parser defined on method.
	//====================================================================================================
	@RestMethod(name=PUT, path="/testParserOnMethod", parsers=TestParserB.class)
	public String testParserOnMethod(@Body String in) {
		return in;
	}

	public static class TestParserB extends ReaderParser {

		public TestParserB(PropertyStore ps) {
			super(ps, "text/b");
		}

		@Override /* Parser */
		public ReaderParserSession createSession(ParserSessionArgs args) {
			return new ReaderParserSession(args) {

				@Override /* ParserSession */
				@SuppressWarnings("unchecked")
				protected <T> T doParse(ParserPipe pipe, ClassMeta<T> type) throws Exception {
					return (T)("text/b - " + read(pipe.getReader()).trim());
				}
			};
		}
	}

	//====================================================================================================
	// Parser overridden on method.
	//====================================================================================================
	@RestMethod(name=PUT, path="/testParserOverriddenOnMethod", parsers={TestParserB.class,TestParserC.class}, inherit="PARSERS")
	public String testParserOverriddenOnMethod(@Body String in) {
		return in;
	}

	public static class TestParserC extends ReaderParser {

		public TestParserC(PropertyStore ps) {
			super(ps, "text/c");
		}

		@Override /* Parser */
		public ReaderParserSession createSession(ParserSessionArgs args) {
			return new ReaderParserSession(args) {

				@Override /* ParserSession */
				@SuppressWarnings("unchecked")
				protected <T> T doParse(ParserPipe pipe, ClassMeta<T> type) throws Exception {
					return (T)("text/c - " + read(pipe.getReader()).trim());
				}
			};
		}
	}

	//====================================================================================================
	// Parser with different Accept than Content-Type.
	//====================================================================================================
	@RestMethod(name=PUT, path="/testParserWithDifferentMediaTypes", parsers={TestParserD.class}, inherit="PARSERS")
	public String testParserWithDifferentMediaTypes(@Body String in) {
		return in;
	}

	public static class TestParserD extends ReaderParser {

		public TestParserD(PropertyStore ps) {
			super(ps, "text/d");
		}

		@Override /* Parser */
		public ReaderParserSession createSession(ParserSessionArgs args) {
			return new ReaderParserSession(args) {

				@Override /* ParserSession */
				@SuppressWarnings("unchecked")
				protected <T> T doParse(ParserPipe pipe, ClassMeta<T> type) throws Exception {
					return (T)("text/d - " + read(pipe.getReader()).trim());
				}
			};
		}
	}

	//====================================================================================================
	// Check for valid error response.
	//====================================================================================================
	@RestMethod(name=PUT, path="/testValidErrorResponse")
	public String testValidErrorResponse(@Body String in) {
		return in;
	}
}