/*
* Copyright (c) 2010, 2019 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 java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.ws.rs.ProcessingException;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MultivaluedMap;
import org.glassfish.jersey.internal.inject.ExtractorException;
Extract primitive parameter value from the multivalued parameter map
using one of the valueOf(String)
methods on the primitive Java type wrapper classes. Author: Paul Sandoz, Marek Potociar
/**
* Extract primitive parameter value from the {@link MultivaluedMap multivalued parameter map}
* using one of the {@code valueOf(String)} methods on the primitive Java type wrapper
* classes.
*
* @author Paul Sandoz
* @author Marek Potociar
*/
final class PrimitiveValueOfExtractor implements MultivaluedParameterExtractor<Object> {
private final Method valueOf;
private final String parameter;
private final String defaultStringValue;
private final Object defaultValue;
private final Object defaultPrimitiveTypeValue;
Create new primitive parameter value extractor.
Params: - valueOf –
valueOf()
method handler. - parameter – string parameter value.
- defaultStringValue – default string value.
- defaultPrimitiveTypeValue – default primitive type value.
/**
* Create new primitive parameter value extractor.
*
* @param valueOf {@code valueOf()} method handler.
* @param parameter string parameter value.
* @param defaultStringValue default string value.
* @param defaultPrimitiveTypeValue default primitive type value.
*/
public PrimitiveValueOfExtractor(Method valueOf, String parameter,
String defaultStringValue, Object defaultPrimitiveTypeValue) {
this.valueOf = valueOf;
this.parameter = parameter;
this.defaultStringValue = defaultStringValue;
this.defaultValue = (defaultStringValue != null)
? getValue(defaultStringValue) : null;
this.defaultPrimitiveTypeValue = defaultPrimitiveTypeValue;
}
@Override
public String getName() {
return parameter;
}
@Override
public String getDefaultValueString() {
return defaultStringValue;
}
private Object getValue(String v) {
try {
return valueOf.invoke(null, v);
} catch (InvocationTargetException ex) {
Throwable target = ex.getTargetException();
if (target instanceof WebApplicationException) {
throw (WebApplicationException) target;
} else {
throw new ExtractorException(target);
}
} catch (Exception ex) {
throw new ProcessingException(ex);
}
}
@Override
public Object extract(MultivaluedMap<String, String> parameters) {
String v = parameters.getFirst(parameter);
if (v != null && !v.trim().isEmpty()) {
return getValue(v);
} else if (defaultValue != null) {
// TODO do we need to clone the default value?
return defaultValue;
}
return defaultPrimitiveTypeValue;
}
}