org.glassfish.jersey.message.internal.HttpHeaderListAdapter Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2017 Oracle and/or its affiliates. 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://oss.oracle.com/licenses/CDDL+GPL-1.1
* or 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 LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [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 org.glassfish.jersey.message.internal;
import java.text.ParseException;
/**
* Wrapping adapter for {@link HttpHeaderReader} that adds ability to read
* headers containing comma-separated value lists.
*
* @author Paul Sandoz
* @author Marek Potociar (marek.potociar at oracle.com)
*/
/* package */ class HttpHeaderListAdapter extends HttpHeaderReader {
private final HttpHeaderReader reader;
private boolean isTerminated;
/**
* Create new adapter for {@link HttpHeaderReader} that adds ability to read
* headers containing comma-separated value lists.
*
* @param reader http header reader to be wrapped.
*/
public HttpHeaderListAdapter(HttpHeaderReader reader) {
this.reader = reader;
}
public void reset() {
isTerminated = false;
}
@Override
public boolean hasNext() {
if (isTerminated) {
return false;
}
if (reader.hasNext()) {
if (reader.hasNextSeparator(',', true)) {
isTerminated = true;
return false;
} else {
return true;
}
}
return false;
}
@Override
public boolean hasNextSeparator(char separator, boolean skipWhiteSpace) {
if (isTerminated) {
return false;
}
if (reader.hasNextSeparator(',', skipWhiteSpace)) {
isTerminated = true;
return false;
} else {
return reader.hasNextSeparator(separator, skipWhiteSpace);
}
}
@Override
public Event next() throws ParseException {
return next(true);
}
@Override
public HttpHeaderReader.Event next(boolean skipWhiteSpace) throws ParseException {
return next(skipWhiteSpace, false);
}
@Override
public HttpHeaderReader.Event next(boolean skipWhiteSpace, boolean preserveBackslash) throws ParseException {
if (isTerminated) {
throw new ParseException("End of header", getIndex());
}
if (reader.hasNextSeparator(',', skipWhiteSpace)) {
isTerminated = true;
throw new ParseException("End of header", getIndex());
}
return reader.next(skipWhiteSpace, preserveBackslash);
}
@Override
public CharSequence nextSeparatedString(char startSeparator, char endSeparator) throws ParseException {
if (isTerminated) {
throw new ParseException("End of header", getIndex());
}
if (reader.hasNextSeparator(',', true)) {
isTerminated = true;
throw new ParseException("End of header", getIndex());
}
return reader.nextSeparatedString(startSeparator, endSeparator);
}
@Override
public HttpHeaderReader.Event getEvent() {
return reader.getEvent();
}
@Override
public CharSequence getEventValue() {
return reader.getEventValue();
}
@Override
public CharSequence getRemainder() {
return reader.getRemainder();
}
@Override
public int getIndex() {
return reader.getIndex();
}
}