org.glassfish.jersey.message.internal.HttpHeaderListAdapter Maven / Gradle / Ivy
/*
* 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.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
*/
/* 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();
}
}