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    • com.sun.jersey.server.impl.model.parameter.FormParamInjectableProvider Maven / Gradle / Ivy

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    A bundle containing code of all jar-based modules that provide JAX-RS and Jersey-related features. Such a bundle is *only intended* for developers that do not use Maven's dependency system. The bundle does not include code for contributes, tests and samples.

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    /*
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://jersey.dev.java.net/CDDL+GPL.html
 * or jersey/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at jersey/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
 * 
 * Contributor(s):
 * 
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.jersey.server.impl.model.parameter;

import com.sun.jersey.api.ParamException;
import com.sun.jersey.api.core.HttpContext;
import com.sun.jersey.api.core.HttpRequestContext;
import com.sun.jersey.api.model.Parameter;
import com.sun.jersey.api.representation.Form;
import com.sun.jersey.core.header.MediaTypes;
import com.sun.jersey.core.spi.component.ComponentContext;
import com.sun.jersey.server.impl.inject.AbstractHttpContextInjectable;
import com.sun.jersey.server.impl.model.method.dispatch.FormDispatchProvider;
import com.sun.jersey.server.impl.model.parameter.multivalued.ExtractorContainerException;
import com.sun.jersey.server.impl.model.parameter.multivalued.MultivaluedParameterExtractor;
import com.sun.jersey.server.impl.model.parameter.multivalued.MultivaluedParameterExtractorProvider;
import com.sun.jersey.spi.inject.Injectable;
import javax.ws.rs.FormParam;
import javax.ws.rs.core.MediaType;


/**
 *
 * @author [email protected]
 */
public final class FormParamInjectableProvider extends BaseParamInjectableProvider {
    
    private static final class FormParamInjectable extends AbstractHttpContextInjectable {
        private final MultivaluedParameterExtractor extractor;
        private final boolean decode;
        
        FormParamInjectable(MultivaluedParameterExtractor extractor, boolean decode) {
            this.extractor = extractor;
            this.decode = decode;
        }
        
        public Object getValue(HttpContext context) {
            Form form = (Form)
                    context.getProperties().get(FormDispatchProvider.FORM_PROPERTY);
            if (form == null) {
                form = getForm(context);
                if (form == null)
                    throw new IllegalStateException(
                            "The @FormParam is utilized when the content type of the request entity " +
                            "is not application/x-www-form-urlencoded");
            }

            try {
                return extractor.extract(form);
            } catch (ExtractorContainerException e) {
                throw new ParamException.FormParamException(e.getCause(),
                        extractor.getName(), extractor.getDefaultStringValue());
            }
        }

        private Form getForm(HttpContext context) {
            final HttpRequestContext r = context.getRequest();
            if (r.getMethod().equals("GET"))
                return null;

            if (!MediaTypes.typeEquals(MediaType.APPLICATION_FORM_URLENCODED_TYPE, r.getMediaType()))
                return null;

            final Form form = r.getFormParameters();
            context.getProperties().put(FormDispatchProvider.FORM_PROPERTY, form);
            return form;
        }
    }

    public FormParamInjectableProvider(MultivaluedParameterExtractorProvider w) {
        super(w);
    }
    
    public Injectable getInjectable(ComponentContext ic, FormParam a, Parameter c) {
        String parameterName = c.getSourceName();
        if (parameterName == null || parameterName.length() == 0) {
            // Invalid query parameter name
            return null;
        }
        
        MultivaluedParameterExtractor e = get(c);
        if (e == null)
            return null;
        
        return new FormParamInjectable(e, !c.isEncoded());
    }
}    
    
    
    

    




    
    
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