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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
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package org.apache.wink.common.internal.http;
import java.util.Collections;
import java.util.List;
import javax.ws.rs.ext.RuntimeDelegate;
import javax.ws.rs.ext.RuntimeDelegate.HeaderDelegate;
/**
* Represent HTTP Accept-Language header.
* <p>
* This version of the API does not support construction.
*
* @see <a href='http://tools.ietf.org/html/rfc2616#section-14.3'>RFC 2616
* 14.3</a>
*/
public class AcceptEncoding {
public static final class ValuedEncoding implements Comparable<ValuedEncoding> {
public final double qValue;
public final String encoding;
public ValuedEncoding(double qValue, String encoding) {
this.qValue = qValue;
this.encoding = encoding;
}
public int compareTo(ValuedEncoding other) {
return Double.compare(qValue, other.qValue);
}
public boolean isWildcard() {
return encoding == null;
}
@Override
public String toString() {
return "ValuedEncoding(" + qValue + "," + encoding + ")"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
}
private static final HeaderDelegate<AcceptEncoding> delegate =
RuntimeDelegate
.getInstance()
.createHeaderDelegate(AcceptEncoding.class);
private final String acceptEncodingHeader;
private final boolean anyAllowed;
private final List<String> acceptable;
private final List<String> banned;
private final List<AcceptEncoding.ValuedEncoding> valuedEncodings;
public AcceptEncoding(String acceptEncodingValue,
List<String> acceptableEncodings,
List<String> bannedEncodings,
boolean anyEncodingAllowed,
List<AcceptEncoding.ValuedEncoding> encodings) {
this.acceptEncodingHeader = acceptEncodingValue;
this.anyAllowed = anyEncodingAllowed;
this.acceptable = Collections.unmodifiableList(acceptableEncodings);
this.banned = Collections.unmodifiableList(bannedEncodings);
this.valuedEncodings = Collections.unmodifiableList(encodings);
}
public List<String> getAcceptableEncodings() {
return acceptable;
}
/**
* Is any encoding acceptable? Note that expresions are listed by
* {@link #getBannedLanguages()}. This means that the value contains
* wildcard (with non-zero priority) or the header is not present at all.
*
* @return <code>true</code> if any encoding is acceptable
*/
public boolean isAnyEncodingAllowed() {
return anyAllowed;
}
public List<String> getBannedEncodings() {
return banned;
}
public static AcceptEncoding valueOf(String value) throws IllegalArgumentException {
return delegate.fromString(value);
}
public String getAcceptEncodingHeader() {
return acceptEncodingHeader;
}
public List<AcceptEncoding.ValuedEncoding> getValuedEncodings() {
return valuedEncodings;
}
@Override
public String toString() {
return delegate.toString(this);
}
}