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/*
* Copyright (c) 2012, 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.message.internal;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.net.URI;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.function.Function;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import javax.ws.rs.ProcessingException;
import javax.ws.rs.core.Configuration;
import javax.ws.rs.core.Cookie;
import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.GenericEntity;
import javax.ws.rs.core.GenericType;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Link;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.NewCookie;
import org.glassfish.jersey.CommonProperties;
import org.glassfish.jersey.internal.RuntimeDelegateDecorator;
import org.glassfish.jersey.internal.LocalizationMessages;
import org.glassfish.jersey.internal.util.ReflectionHelper;
/**
* Base outbound message context implementation.
*
* @author Marek Potociar
*/
public class OutboundMessageContext {
private static final Annotation[] EMPTY_ANNOTATIONS = new Annotation[0];
private static final List WILDCARD_ACCEPTABLE_TYPE_SINGLETON_LIST =
Collections.singletonList(MediaTypes.WILDCARD_ACCEPTABLE_TYPE);
private final MultivaluedMap headers;
private final CommittingOutputStream committingOutputStream;
private Configuration configuration;
private Object entity;
private GenericType entityType;
private Annotation[] entityAnnotations = EMPTY_ANNOTATIONS;
private OutputStream entityStream;
/**
* The callback interface which is used to get the terminal output stream into which the entity should be
* written and to inform the implementation about the entity size.
*/
public static interface StreamProvider {
/**
* Get the output stream. This method will be called after all the
* {@link javax.ws.rs.ext.WriterInterceptor writer interceptors} are called and written entity is buffered
* into the buffer or the buffer exceeds.
*
* @param contentLength the size of the buffered entity or -1 if the entity exceeded the maximum buffer
* size or if the buffering is disabled.
* @return the adapted output stream into which the serialized entity should be written. May return null
* which will cause ignoring the written entity (in that case the entity will
* still be written by {@link javax.ws.rs.ext.MessageBodyWriter message body writers}
* but the output will be ignored).
* @throws java.io.IOException in case of an IO error.
*/
public OutputStream getOutputStream(int contentLength) throws IOException;
}
/**
* Create new outbound message context.
* @param configuration the client/server {@link Configuration}. If {@code null}, the default behaviour is expected.
*/
public OutboundMessageContext(Configuration configuration) {
this.configuration = configuration;
this.headers = HeaderUtils.createOutbound();
this.committingOutputStream = new CommittingOutputStream();
this.entityStream = committingOutputStream;
}
/**
* Create new outbound message context copying the content
* of another context.
*
* @param original the original outbound message context.
*/
public OutboundMessageContext(OutboundMessageContext original) {
this.headers = HeaderUtils.createOutbound();
this.headers.putAll(original.headers);
this.committingOutputStream = new CommittingOutputStream();
this.entityStream = committingOutputStream;
this.entity = original.entity;
this.entityType = original.entityType;
this.entityAnnotations = original.entityAnnotations;
this.configuration = original.configuration;
}
/**
* Create new outbound message context.
*
* @see #OutboundMessageContext(Configuration)
*/
@Deprecated
public OutboundMessageContext() {
this ((Configuration) null);
}
/**
* Replace all headers.
*
* @param headers new headers.
*/
public void replaceHeaders(MultivaluedMap headers) {
getHeaders().clear();
if (headers != null) {
getHeaders().putAll(headers);
}
}
/**
* Get a multi-valued map representing outbound message headers with their values converted
* to strings.
*
* @return multi-valued map of outbound message header names to their string-converted values.
*/
public MultivaluedMap getStringHeaders() {
return HeaderUtils.asStringHeaders(headers, configuration);
}
/**
* Get a message header as a single string value.
*
* Each single header value is converted to String using a
* {@link javax.ws.rs.ext.RuntimeDelegate.HeaderDelegate} if one is available
* via {@link javax.ws.rs.ext.RuntimeDelegate#createHeaderDelegate(java.lang.Class)}
* for the header value class or using its {@code toString} method if a header
* delegate is not available.
*
* @param name the message header.
* @return the message header value. If the message header is not present then
* {@code null} is returned. If the message header is present but has no
* value then the empty string is returned. If the message header is present
* more than once then the values of joined together and separated by a ','
* character.
*/
public String getHeaderString(String name) {
return HeaderUtils.asHeaderString(headers.get(name), RuntimeDelegateDecorator.configured(configuration));
}
/**
* Get a single typed header value.
*
* @param header value type.
* @param name header name.
* @param valueType header value class.
* @param converter from string conversion function. Is expected to throw {@link ProcessingException}
* if conversion fails.
* @param convertNull if {@code true} this method calls the provided converter even for {@code null}. Otherwise this
* method returns the {@code null} without calling the converter.
* @return value of the header, or (possibly converted) {@code null} if not present.
*/
private T singleHeader(String name, Class valueType, Function converter, boolean convertNull) {
final List