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package org.apache.wink.common.internal.http;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.ws.rs.core.EntityTag;
/**
* Used to represent headers that contains multiple Entity Tags (like If-Match,
* If-None-Match)
*/
public class EntityTagMatchHeader {
private List eTags = new ArrayList();
private boolean isWildcard = false;
public boolean addETag(EntityTag eTag) {
if (isWildcard) {
return true;
}
if (eTag.getValue().equals("*")) { //$NON-NLS-1$
isWildcard = true;
eTags.clear();
return true;
}
return eTags.add(eTag);
}
public List getETags() {
return Collections.unmodifiableList(eTags);
}
public boolean isMatch(EntityTag eTag) {
if (eTag == null) {
return false;
}
if (isWildcard) {
return true;
}
String value = eTag.getValue();
for (EntityTag e : eTags) {
if (value.equals(e.getValue())) {
return true;
}
}
return false;
}
@Override
public String toString() {
if (isWildcard) {
return "*"; //$NON-NLS-1$
}
return eTags.toString();
}
}