org.glassfish.jersey.server.internal.inject.SingleValueExtractor Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jaxrs-ri Show documentation
Show all versions of jaxrs-ri Show documentation
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.
/*
* Copyright (c) 2010, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.jersey.server.internal.inject;
import jakarta.ws.rs.ProcessingException;
import jakarta.ws.rs.WebApplicationException;
import jakarta.ws.rs.core.MultivaluedMap;
import jakarta.ws.rs.ext.ParamConverter;
import org.glassfish.jersey.internal.inject.ExtractorException;
/**
* Extract value of the parameter using a single parameter value and the underlying
* {@link ParamConverter param converter}.
*
* @param extracted Java type.
* @author Paul Sandoz
* @author Marek Potociar
*/
final class SingleValueExtractor extends AbstractParamValueExtractor implements MultivaluedParameterExtractor {
/**
* Create new single value extractor.
*
* @param converter string value reader.
* @param parameterName string parameter name.
* @param defaultStringValue default string value.
*/
public SingleValueExtractor(final ParamConverter converter, final String parameterName, final String defaultStringValue) {
super(converter, parameterName, defaultStringValue);
}
/**
* {@inheritDoc}
*
* This implementation extracts the value of the parameter applying the underlying
* {@link ParamConverter param converter} to the first value found in the list of potential multiple
* parameter values. Any other values in the multi-value list will be ignored.
*
* @param parameters map of parameters.
* @return extracted single parameter value.
*/
@Override
public T extract(final MultivaluedMap parameters) {
final String value = parameters.getFirst(getName());
try {
return fromString((value == null && isDefaultValueRegistered()) ? getDefaultValueString() : value);
} catch (final WebApplicationException | ProcessingException ex) {
throw ex;
} catch (final IllegalArgumentException ex) {
return defaultValue();
} catch (final Exception ex) {
throw new ExtractorException(ex);
}
}
}