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A bundle project producing JAX-RS RI bundles. The primary artifact is an "all-in-one" OSGi-fied JAX-RS RI bundle (jaxrs-ri.jar). Attached to that are two compressed JAX-RS RI archives. The first archive (jaxrs-ri.zip) consists of binary RI bits and contains the API jar (under "api" directory), RI libraries (under "lib" directory) as well as all external RI dependencies (under "ext" directory). The secondary archive (jaxrs-ri-src.zip) contains buildable JAX-RS RI source bundle and contains the API jar (under "api" directory), RI sources (under "src" directory) as well as all external RI dependencies (under "ext" directory). The second archive also contains "build.xml" ANT script that builds the RI sources. To build the JAX-RS RI simply unzip the archive, cd to the created jaxrs-ri directory and invoke "ant" from the command line.

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package org.glassfish.jersey.server.internal.inject;

import java.util.List;

import javax.ws.rs.MatrixParam;
import javax.ws.rs.core.PathSegment;

import javax.inject.Inject;
import javax.inject.Singleton;

import org.glassfish.jersey.internal.inject.ExtractorException;
import org.glassfish.jersey.server.ParamException;
import org.glassfish.jersey.server.model.Parameter;

import org.glassfish.hk2.api.ServiceLocator;

/**
 * Value factory provider supporting the {@link MatrixParam @MatrixParam} injection annotation.
 *
 * @author Paul Sandoz
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
@Singleton
final class MatrixParamValueFactoryProvider extends AbstractValueFactoryProvider {

    /**
     * {@link MatrixParam @MatrixParam} injection resolver.
     */
    @Singleton
    static final class InjectionResolver extends ParamInjectionResolver {

        /**
         * Create new {@link MatrixParam @MatrixParam} injection resolver.
         */
        public InjectionResolver() {
            super(MatrixParamValueFactoryProvider.class);
        }
    }

    private static final class MatrixParamValueFactory extends AbstractContainerRequestValueFactory {

        private final MultivaluedParameterExtractor extractor;
        private final boolean decode;

        MatrixParamValueFactory(MultivaluedParameterExtractor extractor, boolean decode) {
            this.extractor = extractor;
            this.decode = decode;
        }

        @Override
        public Object provide() {
            List l = getContainerRequest().getUriInfo().getPathSegments(decode);
            PathSegment p = l.get(l.size() - 1);
            try {
                return extractor.extract(p.getMatrixParameters());
            } catch (ExtractorException e) {
                throw new ParamException.MatrixParamException(e.getCause(),
                        extractor.getName(), extractor.getDefaultValueString());
            }
        }
    }

    /**
     * Injection constructor.
     *
     * @param mpep    multivalued map parameter extractor provider.
     * @param locator HK2 service locator.
     */
    @Inject
    public MatrixParamValueFactoryProvider(MultivaluedParameterExtractorProvider mpep, ServiceLocator locator) {
        super(mpep, locator, Parameter.Source.MATRIX);
    }

    @Override
    public AbstractContainerRequestValueFactory createValueFactory(Parameter parameter) {
        String parameterName = parameter.getSourceName();
        if (parameterName == null || parameterName.length() == 0) {
            // Invalid header parameter name
            return null;
        }

        MultivaluedParameterExtractor e = get(parameter);
        if (e == null) {
            return null;
        }

        return new MatrixParamValueFactory(e, !parameter.isEncoded());
    }
}